| Fund | Company | Type | Rate Type | Int Rate | PIK Rate | Spread | Principal ($M) | Cost ($M) | Fair Value ($M) | G/L ($M) | % NAV | Period |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MSC INCOME FUND, INC. | South Coast Terminals Holdings, LLC | Other | Floating | 9.07% | — | +525bps | 33.2 | 33.2 | 33.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 3 | — | N/A | — | — | — | — | — | 29.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Member Units | — | N/A | — | — | — | — | 4.4 | 28.7 | +24.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC | Other | N/A | — | — | — | — | 4.4 | 28.4 | +24.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Electro Technical Industries, LLC | Other | Floating | 9.22% | — | +550bps | 24.5 | 24.1 | 24.5 | +0.4 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Member Units | — | N/A | — | — | — | — | 4.4 | 24.2 | +19.8 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Construction Supply Investments, LLC, Member Units | — | N/A | — | — | — | — | 3.3 | 23.1 | +19.8 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC | Other | N/A | — | — | — | — | 6.4 | 22.8 | +16.4 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Member Units | — | N/A | — | — | — | — | 6.4 | 22.6 | +16.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 2 | — | Fixed | 12.79% | — | — | 22.6 | 22.5 | 22.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 3 | — | Fixed | 12.79% | — | — | — | — | 22.6 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC | Other | Fixed | 12.85% | — | — | 22.3 | 22.3 | 22.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Airo Purchaser, Inc. | Other | Floating | 9.22% | — | +525bps | 22.4 | 22.0 | 22.1 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Member Units | — | N/A | — | — | — | — | — | 21.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Member Units | — | N/A | — | — | — | — | 6.4 | 21.9 | +15.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MCT Purchaserco Holding Inc. | Other | Floating | 9.29% | — | +550bps | 21.6 | 21.4 | 21.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Mako Steel, LP, Secured Debt 2 | — | Floating | 12.00% | — | +750bps | 21.1 | 20.9 | 21.1 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Logix Acquisition Company, LLC | Other | PIK Toggle | 11.41% | 2.75% | +750bps | 20.6 | 20.2 | 20.6 | +0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Secured Debt 2 | — | Floating | 13.48% | — | +800bps | 19.9 | 19.8 | 19.9 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Secured Debt 2 | — | Floating | 12.66% | — | +800bps | 19.9 | 19.9 | 19.9 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 19.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | UPS Intermediate, LLC, Secured Debt | — | Floating | 10.36% | — | +600bps | 19.5 | 19.1 | 19.3 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | UPS Intermediate, LLC | Other | Floating | 9.97% | — | +625bps | 19.3 | 19.0 | 19.2 | +0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Mission Critical Group | Other | Floating | 9.23% | — | +550bps | 18.4 | 18.1 | 18.4 | +0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Secured Debt | — | N/A | — | — | — | — | — | 18.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 2.1 | — | Floating | 11.00% | — | +700bps | — | — | 18.3 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 2 | — | Floating | 11.00% | — | +700bps | 18.3 | 18.2 | 18.3 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 2.1 | — | N/A | — | — | — | — | — | 18.2 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 2 | — | Fixed | 12.47% | — | — | 18.2 | 18.0 | 18.2 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Preferred Member Units | — | N/A | — | — | — | — | 2.1 | 18.1 | +16.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | First American Treasury Obligations Fund Class Z | — | Fixed | 5.23% | — | — | — | 17.7 | 17.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mills Fleet Farm Group, LLC, Secured Debt | — | Floating | 12.52% | — | +700bps | 18.2 | 17.9 | 17.5 | -0.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | JDC Power Services, LLC, Secured Debt 2 | — | Floating | 10.83% | — | +650bps | 17.7 | 17.3 | 17.5 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Ansira Partners II, LLC, Secured Debt 2 | — | Floating | 11.25% | — | +675bps | 17.7 | 17.2 | 17.4 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Computer Data Source, LLC | Other | PIK Toggle | 12.02% | 12.02% | +825bps | 17.8 | 17.8 | 17.0 | -0.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Preferred Member Units | — | N/A | — | — | — | — | 2.1 | 16.9 | +14.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mako Steel, LP, Secured Debt 2 | — | Floating | 12.28% | — | +675bps | 16.7 | 16.6 | 16.7 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Creative Foam Corporation | Other | Floating | 10.69% | — | +675bps | 16.6 | 16.3 | 16.6 | +0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Invincible Boat Company, LLC., Secured Debt 2 | — | Floating | 12.00% | — | +650bps | 16.8 | 16.8 | 16.5 | -0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC | Other | Fixed | 12.00% | — | — | 16.5 | 16.2 | 16.5 | +0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc. | Preferred | N/A | — | — | — | — | 2.1 | 16.3 | +14.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Secured Debt | — | Floating | 13.16% | — | +750bps | 16.9 | 16.7 | 16.2 | -0.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Invincible Boat Company, LLC., Secured Debt 2 | — | Floating | 12.01% | — | +750bps | 16.8 | 16.7 | 16.1 | -0.6 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Hornblower Sub, LLC | Other | Floating | 9.46% | — | +550bps | 16.3 | 16.2 | 16.1 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 2.2 | — | N/A | — | — | — | — | — | 16.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Implus Footcare, LLC, Secured Debt | — | Floating | 14.25% | — | +775bps | 17.0 | 17.0 | 15.8 | -1.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Behavior Development Group Holdings | Other | Floating | 9.70% | — | +600bps | 16.0 | 15.8 | 15.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation | Other | Floating | 10.12% | — | +625bps | 16.6 | 16.4 | 15.4 | -1.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Hornblower Sub, LLC, Secured Debt 2 | — | Floating | 10.11% | — | +550bps | 15.5 | 15.3 | 15.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Invincible Boat Company, LLC. | Other | PIK Toggle | 11.37% | 3.37% | +750bps | 16.8 | 16.8 | 15.2 | -1.5 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Secured Debt | — | Floating | 12.35% | — | +750bps | 15.1 | 15.0 | 14.9 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Computer Data Source, LLC, Secured Debt 3 | — | Floating | 12.92% | — | +825bps | 15.8 | 15.7 | 14.8 | -0.8 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Computer Data Source, LLC, Secured Debt 2 | — | Floating | 13.52% | — | +800bps | 15.3 | 15.1 | 14.8 | -0.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Preferred Member Units | — | N/A | — | — | — | — | — | 14.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | GradeEight Corp., Secured Debt 3 | — | Floating | 11.74% | — | +725bps | 14.8 | 14.5 | 14.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Implus Footcare, LLC, Secured Debt | — | Floating | 13.73% | — | +775bps | 17.1 | 17.1 | 14.5 | -2.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NinjaTrader, LLC, Secured Debt 2 | — | Floating | 11.24% | — | +650bps | 14.4 | 14.3 | 14.4 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | GradeEight Corp. | Other | Floating | 11.31% | — | +725bps | 14.5 | 14.2 | 14.1 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services | Other | Floating | 11.75% | — | +750bps | 14.3 | 14.3 | 14.1 | -0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC | Preferred | N/A | — | — | — | — | 2.6 | 13.7 | +11.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 2.2 | — | Floating | 10.50% | — | +750bps | — | — | 13.5 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 2 | — | Floating | 10.50% | — | +750bps | 13.5 | 13.3 | 13.5 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 3 | — | N/A | — | — | — | — | — | 13.5 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AGS American Glass Services Acquisition, LLC | Other | Floating | 9.22% | — | +550bps | 13.8 | 13.6 | 13.4 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Burning Glass Intermediate Holding Company, Inc., Secured Debt 2 | — | Floating | 10.46% | — | +500bps | 13.1 | 13.0 | 13.1 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Titan Meter Midco Corp., Secured Debt 2 | — | Floating | 10.83% | — | +650bps | 13.0 | 12.7 | 13.0 | +0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Titan Meter Midco Corp. | Other | Floating | 10.17% | — | +650bps | 12.9 | 12.6 | 12.9 | +0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Auria Space, LLC | Other | Floating | 8.72% | — | +500bps | — | 12.7 | 12.7 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Member Units | — | N/A | — | — | — | — | — | 12.7 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | RA Outdoors LLC, Secured Debt 2 | — | Floating | 11.74% | — | +675bps | 13.7 | 13.7 | 12.7 | -1.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | BDB Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 13.0 | 12.6 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | USA DeBusk LLC, Secured Debt 1 | — | Floating | 11.46% | — | +600bps | 12.4 | 12.3 | 12.4 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Vitesse Systems, Secured Debt 2 | — | Floating | 11.47% | — | +700bps | 12.4 | 12.1 | 12.4 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | First American Treasury Obligations Fund Class Z | — | Fixed | 4.41% | — | — | — | 12.3 | 12.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Vitesse Systems | Other | Floating | 10.93% | — | +700bps | 12.2 | 12.1 | 12.2 | +0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Vitesse Systems, Secured Debt | — | Floating | 12.63% | — | +700bps | 12.5 | 12.2 | 12.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | RA Outdoors LLC, Secured Debt 2 | — | Floating | 12.21% | — | +675bps | 12.9 | 12.8 | 12.1 | -0.7 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | RA Outdoors LLC | Other | PIK Toggle | 10.89% | 10.89% | +675bps | 14.5 | 14.5 | 11.9 | -2.5 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Acumera, Inc., Secured Debt 2 | — | Floating | 12.98% | — | +750bps | 11.9 | 11.8 | 11.9 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Obra Capital, Inc. | Other | Floating | 11.09% | — | +725bps | 11.9 | 11.6 | 11.9 | +0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Royal Cup Inc. | Other | Floating | 8.98% | — | +525bps | 12.0 | 11.8 | 11.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Obra Capital, Inc., Secured Debt 2 | — | Floating | 11.97% | — | +750bps | 12.0 | 11.7 | 11.8 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Winter Services LLC, Secured Debt 3 | — | Floating | 12.66% | — | +700bps | 11.6 | 11.5 | 11.6 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Burning Glass Intermediate Holding Company, Inc., Secured Debt 2 | — | Floating | 9.46% | — | +500bps | 11.6 | 11.5 | 11.6 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Industrial Services Acquisition, LLC, Secured Debt 2 | — | Floating | 12.22% | — | +675bps | 11.4 | 11.3 | 11.4 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | BP Loenbro Holdings Inc., Secured Debt 3 | — | Floating | 10.92% | — | +625bps | 11.2 | 11.0 | 11.2 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mills Fleet Farm Group, LLC, Common Equity | — | N/A | — | — | — | — | — | 11.2 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Common Equity | — | N/A | — | — | — | — | 11.2 | 11.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | BP Loenbro Holdings Inc. | Other | Floating | 9.75% | — | +575bps | 11.0 | 10.9 | 11.0 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NinjaTrader, LLC, Secured Debt 3 | — | Floating | 12.54% | — | +700bps | 11.0 | 10.9 | 11.0 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Creative Foam Corporation, Secured Debt 2 | — | Floating | 10.11% | — | +575bps | 10.8 | 10.6 | 10.7 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC | Preferred | N/A | — | — | — | — | 1.6 | 10.7 | +9.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | UBM AcquireCo LLC | Other | Fixed | 10.00% | — | — | 10.7 | 10.6 | 10.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC | Other | Floating | 11.99% | — | +800bps | 10.5 | 10.4 | 10.5 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Richardson Sales Solutions, Secured Debt 2 | — | Floating | 11.88% | — | +650bps | 10.6 | 10.3 | 10.4 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Imaging Business Machines, L.L.C., Secured Debt 2 | — | Floating | 12.45% | — | +700bps | 10.4 | 10.1 | 10.3 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Richardson Sales Solutions, Secured Debt 2 | — | Floating | 11.38% | — | +675bps | 10.3 | 10.1 | 10.3 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Imaging Business Machines, L.L.C., Secured Debt 2 | — | Floating | 11.62% | — | +700bps | 10.3 | 10.0 | 10.3 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mills Fleet Farm Group, LLC | Preferred | N/A | — | — | — | — | 12.1 | 10.1 | -1.9 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Richardson Sales Solutions | Other | Floating | 8.86% | — | +500bps | 10.0 | 9.9 | 10.0 | +0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Core Transformers | Other | Floating | 9.23% | — | +550bps | — | 9.8 | 9.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC | Other | Fixed | 11.00% | — | — | 9.7 | 9.7 | 9.7 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC, Secured Debt 2 | — | Fixed | 12.50% | — | — | 9.7 | 9.7 | 9.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC, Secured Debt 2 | — | Fixed | 12.50% | — | — | 9.7 | 9.7 | 9.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Infolinks Media Buyco, LLC, Secured Debt 2 | — | Floating | 11.21% | — | +575bps | 9.7 | 9.6 | 9.7 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Garyline, LLC, Secured Debt 2 | — | Floating | 11.34% | — | +675bps | 9.6 | 9.3 | 9.6 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Garyline, LLC, Secured Debt 2 | — | Floating | 12.22% | — | +675bps | 9.7 | 9.4 | 9.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Logix Acquisition Company, LLC, Secured Debt | — | Floating | 12.25% | — | +425bps | 11.6 | 11.6 | 9.2 | -2.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Secured Debt 2 | — | Fixed | 13.00% | — | — | 9.3 | 9.1 | 9.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Logix Acquisition Company, LLC, Secured Debt | — | Floating | 13.25% | — | +475bps | 11.6 | 11.3 | 9.1 | -2.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Winter Services LLC | Other | Floating | 10.75% | — | +650bps | 9.1 | 9.0 | 9.1 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Rug Doctor, LLC., Secured Debt 2 | — | Floating | 13.54% | — | +600bps | 9.0 | 9.0 | 9.0 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 2.6 | 9.0 | +6.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC | Preferred | N/A | — | — | — | — | 7.5 | 8.8 | +1.4 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 5 | — | Floating | 12.71% | — | +725bps | 8.8 | 8.8 | 8.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Winter Services LLC, Secured Debt 3 | — | Floating | 11.85% | — | +700bps | 9.1 | 8.9 | 8.8 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Winter Services LLC, Secured Debt 4 | — | Floating | 13.85% | — | +900bps | 9.1 | 8.9 | 8.8 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC | Other | Fixed | 13.00% | — | — | 8.8 | 8.6 | 8.8 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Harris Preston Fund Investments, LP Interests (2717 MH, L.P.) | — | N/A | — | — | — | — | 3.3 | 8.7 | +5.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP) | — | N/A | — | — | — | — | 8.7 | 8.7 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 5 | — | Floating | 11.71% | — | +725bps | 8.7 | 8.6 | 8.7 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Secured Debt 2 | — | Fixed | 13.00% | — | — | 8.9 | 8.7 | 8.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Coregistics Buyer LLC | Other | Floating | 10.59% | — | +675bps | 8.5 | 8.4 | 8.5 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Garyline, LLC | Other | Floating | 10.98% | — | +725bps | 8.5 | 8.4 | 8.5 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | KMS, LLC, Secured Debt 2 | — | Floating | 14.75% | — | +925bps | 9.3 | 9.2 | 8.5 | -0.7 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | BDB Holdings, LLC | Preferred | N/A | — | — | — | — | 13.0 | 8.4 | -4.6 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation, Secured Debt 3 | — | Floating | 11.65% | — | +625bps | 8.4 | 8.1 | 8.3 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Member Units 1 | — | N/A | — | — | — | — | 2.9 | 8.3 | +5.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Rug Doctor, LLC., Secured Debt 2 | — | Floating | 12.52% | — | +800bps | 8.3 | 8.3 | 8.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Buca C, LLC, Secured Debt | — | Fixed | 12.00% | — | — | 11.5 | 11.5 | 8.2 | -3.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | American Health Staffing Group, Inc., Secured Debt 2 | — | Floating | 13.50% | — | +500bps | 8.2 | 8.1 | 8.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Coregistics Buyer LLC, Secured Debt 4 | — | Floating | 10.61% | — | +625bps | 8.6 | 8.4 | 8.1 | -0.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund IV, LP) | — | N/A | — | — | — | — | 8.1 | 8.0 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Nello Industries Investco, LLC | Other | Fixed | 12.50% | — | — | 8.0 | 7.9 | 8.0 | +0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Hybrid Promotions, LLC | Other | Floating | 12.24% | — | +825bps | 8.0 | 7.9 | 8.0 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Hybrid Promotions, LLC , Secured Debt | — | Floating | 13.10% | — | +825bps | 8.0 | 7.9 | 8.0 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bettercloud, Inc., Secured Debt 2 | — | Floating | 12.64% | — | +725bps | 8.5 | 8.4 | 8.0 | -0.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 1 | — | Floating | 12.71% | — | +725bps | 8.0 | 7.9 | 8.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Power System Solutions, Secured Debt 3 | — | Floating | 12.12% | — | +675bps | 7.9 | 7.7 | 7.9 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation, Secured Debt 3 | — | Floating | 10.87% | — | +625bps | 8.3 | 8.1 | 7.9 | -0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Power System Solutions, Secured Debt 3 | — | Floating | 10.90% | — | +650bps | 7.9 | 7.7 | 7.9 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 2 | — | Floating | 11.92% | — | +725bps | 7.8 | 7.8 | 7.8 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | KMS, LLC | Preferred | N/A | — | — | — | — | 6.1 | 7.8 | +1.7 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Ignite Visibility LLC | Other | Floating | 8.84% | — | +500bps | 7.9 | 7.8 | 7.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | MB2 Dental Solutions, LLC, Secured Debt 4 | — | Floating | 11.46% | — | +600bps | 7.8 | 7.7 | 7.8 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | FCC Intermediate Holdco, LLC | Other | Fixed | 13.00% | — | — | 7.8 | 7.0 | 7.8 | +0.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | American Health Staffing Group, Inc., Secured Debt 2 | — | Floating | 12.50% | — | +500bps | 7.7 | 7.7 | 7.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Rug Doctor, LLC. | Other | Floating | 9.17% | — | +550bps | 7.6 | 7.6 | 7.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Victory Energy Operations, LLC | Other | Fixed | 13.00% | — | — | 7.7 | 7.6 | 7.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Harris Preston Fund Investments, LP Interests (2717 MH, L.P.) | — | N/A | — | — | — | — | — | 7.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Victory Energy Operations, LLC, Secured Debt 2 | — | Fixed | 13.00% | — | — | 7.7 | 7.5 | 7.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Secured Debt 2 | — | Fixed | 13.00% | — | — | 7.7 | 7.5 | 7.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Preferred Equity 1 | — | N/A | — | — | — | — | 7.5 | 7.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 7.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Member Units 1 | — | N/A | — | — | — | — | 2.9 | 7.3 | +4.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Hybrid Promotions, LLC, Secured Debt | — | Floating | 15.91% | — | +825bps | 8.0 | 7.8 | 7.3 | -0.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Independent Pet Partners Intermediate Holdings, LLC, Common Equity | — | N/A | — | — | — | — | 6.5 | 7.3 | +0.8 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CQ Fluency, LLC, Secured Debt 3 | — | Floating | 12.45% | — | +700bps | 7.5 | 7.3 | 7.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Research Now Group, Inc. and Survey Sampling International, LLC, Secured Debt | — | Floating | 11.14% | — | +550bps | 9.7 | 9.7 | 7.2 | -2.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CQ Fluency, LLC, Secured Debt 3 | — | Floating | 11.18% | — | +675bps | 7.2 | 7.1 | 7.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Secured Debt 2 | — | Fixed | 13.00% | — | — | 7.2 | 7.0 | 7.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | FCC Intermediate Holdco, LLC, Secured Debt | — | Fixed | 13.00% | — | — | 8.2 | 7.1 | 7.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 2 | — | Fixed | 12.50% | — | — | 7.1 | 7.1 | 7.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC | Equity | N/A | — | — | — | — | 3.6 | 7.0 | +3.4 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | American Health Staffing Group, Inc. | Other | Floating | 11.75% | — | +500bps | 7.0 | 7.0 | 7.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 2.6 | 7.0 | +4.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bettercloud, Inc., Secured Debt 2 | — | Floating | 15.76% | — | +1025bps | 9.2 | 9.1 | 7.0 | -2.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Secured Debt 2 | — | Fixed | 11.50% | — | — | 7.0 | 6.9 | 6.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc., Secured Debt 2 | — | Floating | 13.45% | — | +800bps | 6.9 | 6.7 | 6.9 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 4 | — | N/A | — | — | — | — | — | 6.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc., Secured Debt 3 | — | Floating | 12.43% | — | +800bps | 6.9 | 6.7 | 6.9 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CQ Fluency, LLC | Other | Floating | 10.52% | — | +675bps | 6.8 | 6.8 | 6.8 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC | Other | Fixed | 13.00% | — | — | 6.8 | 6.7 | 6.8 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Independent Pet Partners Intermediate Holdings, LLC | Equity | N/A | — | — | — | — | 6.5 | 6.8 | +0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc. | Other | Floating | 9.67% | — | +600bps | 6.7 | 6.6 | 6.7 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Mission Critical Group | Equity | N/A | — | — | — | — | 0.5 | 6.7 | +6.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Preferred Equity 1 | — | N/A | — | — | — | — | 7.5 | 6.7 | -0.8 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Nello Industries Investco, LLC, Secured Debt 2 | — | Fixed | 13.50% | — | — | 6.8 | 6.6 | 6.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 2 | — | Fixed | 12.50% | — | — | 6.6 | 6.6 | 6.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Common Stock | — | N/A | — | — | — | — | 0.7 | 6.6 | +5.9 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Common Stock | — | N/A | — | — | — | — | 0.7 | 6.6 | +5.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC | Preferred | N/A | — | — | — | — | 0.7 | 6.6 | +5.9 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Rug Doctor, LLC., Secured Debt 1 | — | Floating | 12.52% | — | +800bps | 6.5 | 6.5 | 6.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Brightwood Capital Fund Investments | Equity | N/A | — | — | — | — | 6.4 | 6.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 6.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Preferred Member Units | — | N/A | — | — | — | — | 0.5 | 6.4 | +5.9 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 2.1 | — | Floating | 13.66% | — | +900bps | — | — | 6.4 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 2 | — | Floating | 13.66% | — | +900bps | 6.4 | 6.4 | 6.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Rug Doctor, LLC., Secured Debt 1 | — | Floating | 13.54% | — | +600bps | 6.4 | 6.4 | 6.4 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ATX Networks Corp., Secured Debt | — | N/A | — | — | — | — | — | 6.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Secured Debt 2 | — | Fixed | 11.50% | — | — | 6.4 | 6.4 | 6.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Independent Pet Partners Intermediate Holdings, LLC, Common Equity | — | N/A | — | — | — | — | 6.5 | 6.3 | -0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | IG Parent Corporation, Secured Debt 2 | — | Floating | 10.96% | — | +550bps | 6.3 | 6.2 | 6.3 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Slick Innovations, LLC | Other | Fixed | 14.00% | — | — | 6.2 | 6.1 | 6.2 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | IG Parent Corporation, Secured Debt 2 | — | Floating | 10.21% | — | +575bps | 6.2 | 6.1 | 6.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC, Secured Debt 2 | — | Floating | 13.55% | — | +800bps | 6.3 | 6.1 | 6.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | IG Parent Corporation | Other | Floating | 9.57% | — | +575bps | 6.1 | 6.1 | 6.1 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Computer Data Source, LLC, Secured Debt 1 | — | Floating | 12.93% | — | +825bps | 6.5 | 6.5 | 6.1 | -0.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Harris Preston Fund Investments, LP Interests (2717 MH, L.P.) | — | N/A | — | — | — | — | 3.3 | 6.0 | +2.7 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Obra Capital, Inc. (f/k/a Vida Capital, Inc.), Secured Debt | — | Floating | 11.47% | — | +600bps | 7.0 | 6.7 | 6.0 | -0.7 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC | Other | Floating | 11.98% | — | +800bps | 6.0 | 6.0 | 6.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc., Secured Debt 2 | — | Fixed | 18.00% | — | — | 6.0 | 6.0 | 6.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | KMS, LLC, Secured Debt 4 | — | Floating | 14.50% | — | +975bps | 9.3 | 9.2 | 6.0 | -3.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | PrimeFlight Aviation Services, Secured Debt 1 | — | Floating | 12.28% | — | +685bps | 6.0 | 5.8 | 6.0 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC | Other | Fixed | 11.50% | — | — | 6.0 | 6.0 | 6.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | PrimeFlight Aviation Services, Secured Debt 1 | — | Floating | 10.58% | — | +550bps | 5.9 | 5.8 | 5.9 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC | Other | PIK Toggle | 13.97% | 2.00% | +1000bps | 6.3 | 6.2 | 5.9 | -0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc. | Other | Fixed | 12.50% | — | — | 5.9 | 5.8 | 5.9 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ZRG Partners, LLC, Secured Debt 4 | — | Floating | 10.66% | — | +600bps | 5.9 | 5.7 | 5.9 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | PrimeFlight Aviation Services | Other | Floating | 9.35% | — | +550bps | 5.8 | 5.7 | 5.8 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP) | — | N/A | — | — | — | — | — | 5.8 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Nello Industries Investco, LLC | Preferred | N/A | — | — | — | — | 2.8 | 5.8 | +3.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 5.8 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | ZRG Partners, LLC | Other | Floating | 9.73% | — | +600bps | 5.8 | 5.7 | 5.8 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC | Preferred | N/A | — | — | — | — | 0.5 | 5.7 | +5.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 5.7 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Member Units 1 | — | N/A | — | — | — | — | — | 5.7 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Common Stock | — | N/A | — | — | — | — | — | 5.7 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC, Secured Debt 2 | — | Floating | 14.58% | — | +1000bps | 6.2 | 6.1 | 5.7 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Lightbox Holdings, L.P., Secured Debt | — | Floating | 10.62% | — | +500bps | 5.8 | 5.7 | 5.6 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Preferred Stock | — | N/A | — | — | — | — | — | 5.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Lightbox Holdings, L.P., Secured Debt | — | Floating | 9.44% | — | +500bps | 5.7 | 5.7 | 5.5 | -0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Secured Debt 2 | — | Floating | 16.48% | — | +1100bps | 5.5 | 5.5 | 5.5 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Secured Debt 2 | — | Floating | 15.66% | — | +1100bps | 5.5 | 5.5 | 5.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 5.5 | 5.4 | 5.4 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Intermedia Holdings, Inc., Secured Debt | — | Floating | 11.47% | — | +600bps | 5.5 | 5.5 | 5.4 | -0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Secured Debt 2 | — | N/A | — | — | — | — | — | 5.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | INW Manufacturing, LLC, Secured Debt | — | Floating | 11.36% | — | +575bps | 6.7 | 6.5 | 5.3 | -1.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 5.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 2 | — | Floating | 12.71% | — | +725bps | 5.2 | 5.2 | 5.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Secured Debt 3 | — | Floating | 11.59% | — | +700bps | 5.2 | 5.2 | 5.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC | Other | Floating | 14.98% | — | +1100bps | 5.2 | 5.2 | 5.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 3 | — | Floating | 11.71% | — | +725bps | 5.2 | 5.1 | 5.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Preferred Stock | — | N/A | — | — | — | — | 2.1 | 5.2 | +3.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC | Other | Floating | 10.18% | — | +625bps | 5.2 | 5.1 | 5.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC | Preferred | N/A | — | — | — | — | 3.1 | 5.1 | +2.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | YS Garments, LLC, Secured Debt | — | Floating | 13.00% | — | +750bps | 5.6 | 5.5 | 5.1 | -0.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Engineering Research & Consulting, LLC, Secured Debt 2 | — | Floating | 11.98% | — | +650bps | 5.1 | 5.0 | 5.1 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | 5.1 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Richardson Sales Solutions, Secured Debt 3 | — | Floating | 11.43% | — | +675bps | 5.1 | 5.0 | 5.1 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Secured Debt | — | N/A | — | — | — | — | — | 5.1 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.7 | 5.1 | +4.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Secured Debt 2 | — | Fixed | 14.00% | — | — | 5.0 | 5.0 | 5.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc., Secured Debt 2 | — | Fixed | 18.00% | — | — | 5.0 | 4.9 | 5.0 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Secured Debt 3 | — | Fixed | 14.00% | — | — | 5.0 | 4.9 | 5.0 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc. | Preferred | N/A | — | — | — | — | 2.1 | 4.9 | +2.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Secured Debt 1 | — | Fixed | 12.00% | — | — | 5.0 | 4.9 | 4.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | HEADLANDS OP-CO LLC, Secured Debt 3 | — | Floating | 11.86% | — | +650bps | 4.9 | 4.9 | 4.9 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | SPAU Holdings, LLC, Secured Debt 2 | — | Floating | 13.72% | — | +800bps | 4.9 | 4.9 | 4.9 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | HEADLANDS OP-CO LLC, Secured Debt 4 | — | Floating | 10.86% | — | +650bps | 4.9 | 4.8 | 4.9 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SPAU Holdings, LLC, Secured Debt 2 | — | Floating | 11.98% | — | +750bps | 4.9 | 4.8 | 4.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SPAU Holdings, LLC | Other | Floating | 10.82% | — | +700bps | 4.8 | 4.8 | 4.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | USA DeBusk LLC, Secured Debt 2 | — | Floating | 11.96% | — | +650bps | 4.8 | 4.7 | 4.8 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Classic H&G Holdings, LLC, Secured Debt 2 | — | Fixed | 8.00% | — | — | 4.8 | 4.8 | 4.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 4 | — | Fixed | 13.50% | — | — | 4.9 | 4.8 | 4.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC | Other | PIK Toggle | 10.34% | 10.34% | +650bps | 4.8 | 4.8 | 4.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 4.7 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Secured Debt | — | Fixed | 12.00% | — | — | 4.7 | 4.6 | 4.7 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Vistar Media, Inc., Preferred Stock | — | N/A | — | — | — | — | 0.8 | 4.7 | +3.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Secured Debt 2 | — | Fixed | 14.00% | — | — | 4.7 | 4.7 | 4.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | YS Garments, LLC, Secured Debt | — | Floating | 12.25% | — | +750bps | 5.1 | 5.0 | 4.7 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Wall Street Prep, Inc., Secured Debt 2 | — | Floating | 12.54% | — | +700bps | 4.7 | 4.6 | 4.7 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC | Other | Fixed | 12.00% | — | — | 4.6 | 4.6 | 4.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 4.6 | 4.6 | 4.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 4.6 | 4.6 | 4.6 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 4.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Preferred Equity | — | N/A | — | — | — | — | 3.1 | 4.6 | +1.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bettercloud, Inc. | Equity | N/A | — | — | — | — | 4.9 | 4.5 | -0.4 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 4.5 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Preferred Member Units | — | N/A | — | — | — | — | 0.5 | 4.5 | +4.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc. | Other | Fixed | 14.00% | — | — | 4.5 | 4.5 | 4.5 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Implus Footcare, LLC | Equity | N/A | — | — | — | — | 5.2 | 4.5 | -0.7 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | American Nuts, LLC, Secured Debt 1 | — | Floating | 14.49% | — | +975bps | 5.6 | 5.6 | 4.5 | -1.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Preferred Stock | — | N/A | — | — | — | — | 2.1 | 4.5 | +2.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.) | — | N/A | — | — | — | — | 2.3 | 4.5 | +2.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HPEP 3, L.P., LP Interests (HPEP 3, L.P.) | — | N/A | — | — | — | — | — | 4.5 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | LLFlex, LLC, Secured Debt | — | Floating | 15.54% | — | +900bps | 4.9 | 4.9 | 4.4 | -0.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | — | 4.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 2.2 | — | Floating | 14.48% | — | +900bps | — | — | 4.4 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 2 | — | Floating | 14.48% | — | +900bps | 4.4 | 4.4 | 4.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 4 | — | N/A | — | — | — | — | — | 4.4 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | South Coast Terminals Holdings, LLC, Secured Debt 2 | — | Floating | 9.71% | — | +525bps | 4.4 | 4.4 | 4.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.7 | 4.4 | +3.7 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC | Other | Fixed | 13.00% | — | — | 4.4 | 4.4 | 4.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 4 | — | Fixed | 13.00% | — | — | 4.4 | 4.3 | 4.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HPEP 3, L.P., LP Interests (HPEP 3, L.P.) | — | N/A | — | — | — | — | — | 4.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Infinity X1 Holdings, LLC, Secured Debt | — | Fixed | 13.00% | — | — | 4.4 | 4.3 | 4.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC | Preferred | N/A | — | — | — | — | 3.1 | 4.3 | +1.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Secured Debt 2 | — | Floating | 11.08% | — | +650bps | 4.3 | 4.3 | 4.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Preferred Stock | — | N/A | — | — | — | — | 2.5 | 4.3 | +1.8 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC | Other | Fixed | 13.50% | — | — | 4.3 | 4.2 | 4.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 4.2 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Harris Preston Fund Investments, LP Interests (HPEP 3, L.P.) | — | N/A | — | — | — | — | 2.3 | 4.2 | +1.9 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | HPEP 3, L.P., LP Interests (HPEP 3, L.P.) | — | N/A | — | — | — | — | — | 4.2 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ADS Tactical, Inc., Secured Debt | — | Floating | 11.22% | — | +575bps | 4.2 | 4.2 | 4.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC | Preferred | N/A | — | — | — | — | 1.9 | 4.2 | +2.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Secured Debt 2 | — | Fixed | 13.50% | — | — | 4.3 | 4.2 | 4.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Secured Debt 2 | — | Fixed | 13.50% | — | — | 4.3 | 4.2 | 4.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | YS Garments, LLC | Other | Floating | 11.48% | — | +750bps | 5.0 | 4.9 | 4.2 | -0.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 4.2 | 4.2 | 4.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Roof Opco, LLC, Secured Debt 2 | — | Floating | 12.16% | — | +650bps | 4.2 | 4.2 | 4.1 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Harris Preston Fund Investments | Equity | N/A | — | — | — | — | 1.5 | 4.1 | +2.6 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | HPEP 3, L.P. | Equity | N/A | — | — | — | — | — | 4.1 | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | American Nuts, LLC, Secured Debt 1 | — | Floating | 15.29% | — | +975bps | 4.8 | 4.8 | 4.1 | -0.7 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Roof Opco, LLC, Secured Debt 3 | — | Floating | 14.16% | — | +850bps | 4.2 | 4.2 | 4.1 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Slick Innovations, LLC, Secured Debt | — | Fixed | 14.00% | — | — | 4.1 | 4.0 | 4.1 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Common Equity | — | N/A | — | — | — | — | 3.6 | 4.1 | +0.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Implus Footcare, LLC | Other | PIK Toggle | 9.68% | 9.68% | +600bps | 4.0 | 4.0 | 4.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Secured Debt 2 | — | Floating | 11.54% | — | +600bps | 4.0 | 4.0 | 4.0 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Secured Debt 3 | — | Floating | 13.54% | — | +800bps | 4.0 | 4.0 | 4.0 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Computer Data Source, LLC, Secured Debt 1 | — | Floating | 13.52% | — | +800bps | 4.2 | 4.1 | 4.0 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Charps, LLC | Preferred | N/A | — | — | — | — | 0.5 | 4.0 | +3.5 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Event Holdco, LLC | Other | Floating | 10.93% | — | +700bps | 4.0 | 4.0 | 4.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Classic H&G Holdings, LLC, Preferred Member Units | — | N/A | — | — | — | — | 1.4 | 4.0 | +2.6 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Secured Debt 2 | — | Floating | 10.74% | — | +600bps | 4.0 | 3.9 | 4.0 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Secured Debt 3 | — | Floating | 12.74% | — | +800bps | 4.0 | 3.9 | 4.0 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Event Holdco, LLC, Secured Debt 2 | — | Floating | 12.59% | — | +800bps | 4.0 | 4.0 | 4.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC | Other | Floating | 8.89% | — | +475bps | 4.0 | 3.9 | 4.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc., Secured Debt 2 | — | Floating | 12.46% | — | +700bps | 3.9 | 3.9 | 3.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MB2 Dental Solutions, LLC, Secured Debt 2 | — | Floating | 11.46% | — | +600bps | 3.9 | 3.9 | 3.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Charps, LLC, Preferred Member Units | — | N/A | — | — | — | — | 0.5 | 3.9 | +3.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Secured Debt 2 | — | Floating | 13.49% | — | +800bps | 3.9 | 3.9 | 3.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Secured Debt 2 | — | Floating | 12.74% | — | +800bps | 3.9 | 3.9 | 3.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Secured Debt 2 | — | N/A | — | — | — | — | — | 3.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Charps, LLC, Preferred Member Units | — | N/A | — | — | — | — | 0.5 | 3.9 | +3.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Nello Industries Investco, LLC, Common Equity | — | N/A | — | — | — | — | 3.0 | 3.9 | +0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Digital Products Holdings LLC, Secured Debt | — | N/A | — | — | — | — | — | 3.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | NinjaTrader, LLC, Secured Debt 4 | — | Floating | 12.52% | — | +700bps | 3.9 | 3.8 | 3.9 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Roof Opco, LLC, Secured Debt 2 | — | Floating | 11.85% | — | +700bps | 4.2 | 4.2 | 3.8 | -0.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Infinity X1 Holdings, LLC | Other | Fixed | 12.00% | — | — | 3.8 | 3.8 | 3.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Roof Opco, LLC, Secured Debt 3 | — | Floating | 13.85% | — | +900bps | 4.2 | 4.2 | 3.8 | -0.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Purge Rite, LLC, Secured Debt 2 | — | Floating | 13.70% | — | +800bps | 3.9 | 3.8 | 3.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC | Warrant | N/A | — | — | — | — | 0.5 | 3.8 | +3.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | BP Loenbro Holdings Inc. | Equity | N/A | — | — | — | — | 1.0 | 3.8 | +2.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Secured Debt 3 | — | Floating | 13.17% | — | +850bps | 4.5 | 4.2 | 3.8 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | FCC Intermediate Holdco, LLC | Warrant | N/A | — | — | — | — | 1.0 | 3.8 | +2.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 3.8 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Secured Debt 2 | — | Floating | 12.04% | — | +650bps | 3.8 | 3.8 | 3.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Infinity X1 Holdings, LLC, Secured Debt | — | Fixed | 12.00% | — | — | 3.8 | 3.7 | 3.8 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Victory Energy Operations, LLC | Preferred | N/A | — | — | — | — | 3.6 | 3.8 | +0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Secured Debt 1 | — | Fixed | 11.50% | — | — | 3.8 | 3.7 | 3.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 2.2 | — | N/A | — | — | — | — | — | 3.7 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC | Equity | N/A | — | — | — | — | 1.2 | 3.7 | +2.6 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP) | — | N/A | — | — | — | — | 4.2 | 3.7 | -0.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | LLFlex, LLC | Other | PIK Toggle | 12.14% | 3.00% | +800bps | 4.7 | 4.7 | 3.7 | -1.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Secured Debt 2 | — | Floating | 13.96% | — | +850bps | 3.9 | 3.3 | 3.7 | +0.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc., Secured Debt 4 | — | Floating | 12.18% | — | +750bps | 3.7 | 3.6 | 3.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | LLFlex, LLC, Secured Debt | — | Floating | 12.74% | — | +800bps | 4.6 | 4.6 | 3.7 | -0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Digital Products Holdings LLC, Secured Debt | — | Floating | 15.38% | — | +1000bps | 3.7 | 3.7 | 3.7 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Victory Energy Operations, LLC, Preferred Equity | — | N/A | — | — | — | — | 3.6 | 3.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Event Holdco, LLC, Secured Debt 2 | — | Floating | 12.61% | — | +700bps | 3.7 | 3.7 | 3.6 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Common Equity | — | N/A | — | — | — | — | 3.6 | 3.6 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 3.6 | 3.6 | 3.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 3.8 | 3.8 | 3.6 | -0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Secured Debt 1.1 | — | N/A | — | — | — | — | — | 3.5 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Secured Debt | — | Fixed | 8.50% | — | — | 5.9 | 5.4 | 3.5 | -1.9 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC | Other | N/A | — | — | — | — | 1.8 | 3.5 | +1.7 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GFG Group, LLC | Other | Fixed | 8.00% | — | — | 3.5 | 3.5 | 3.5 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc. | Other | Floating | 10.84% | — | +700bps | 3.5 | 3.5 | 3.5 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | MB2 Dental Solutions, LLC, Secured Debt 3 | — | Floating | 11.46% | — | +600bps | 3.5 | 3.4 | 3.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Secured Debt 2 | — | Fixed | 12.50% | — | — | 3.8 | 3.7 | 3.4 | -0.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | — | 3.4 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Preferred Member Units | — | N/A | — | — | — | — | 1.9 | 3.4 | +1.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC | Preferred | N/A | — | — | — | — | 2.5 | 3.4 | +0.9 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Preferred Stock | — | N/A | — | — | — | — | 2.5 | 3.4 | +0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | AVEX Aviation Holdings, LLC, Secured Debt 2 | — | Floating | 12.76% | — | +725bps | 3.4 | 3.3 | 3.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AVEX Aviation Holdings, LLC, Secured Debt 2 | — | Floating | 11.73% | — | +725bps | 3.3 | 3.3 | 3.3 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Charps, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 3.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC | Other | Floating | 10.84% | — | +675bps | 3.3 | 3.3 | 3.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ATX Networks Corp., Common Stock | — | N/A | — | — | — | — | — | 3.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | AVEX Aviation Holdings, LLC | Other | Floating | 11.09% | — | +725bps | 3.3 | 3.2 | 3.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC, Secured Debt 2 | — | Floating | 12.66% | — | +700bps | 3.4 | 3.3 | 3.2 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC | Preferred | N/A | — | — | — | — | 2.1 | 3.2 | +1.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Secured Debt 3 | — | Floating | 9.76% | — | +525bps | 3.2 | 3.1 | 3.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Secured Debt 4 | — | Floating | 11.76% | — | +725bps | 3.2 | 3.1 | 3.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC | Other | Fixed | 10.00% | — | — | 3.2 | 3.2 | 3.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Fidelity Government Portfolio Class III Fund | — | Fixed | 5.25% | — | — | — | 3.2 | 3.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Secured Debt 2 | — | Fixed | 14.00% | — | — | 2.9 | 2.9 | 3.2 | +0.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Common Stock | — | N/A | — | — | — | — | 1.2 | 3.2 | +2.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC, Secured Debt 2 | — | Floating | 11.93% | — | +700bps | 3.3 | 3.3 | 3.2 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Secured Debt 2 | — | Floating | 11.59% | — | +700bps | 3.1 | 3.0 | 3.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Secured Debt 3 | — | Floating | 10.64% | — | +525bps | 3.2 | 3.1 | 3.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Secured Debt 4 | — | Floating | 12.64% | — | +725bps | 3.2 | 3.1 | 3.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Preferred Equity | — | N/A | — | — | — | — | 3.1 | 3.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Preferred Member Units | — | N/A | — | — | — | — | 1.6 | 3.1 | +1.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 3.7 | 3.1 | -0.6 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | 3.1 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Digital Products Holdings LLC, Secured Debt | — | Floating | 14.56% | — | +1000bps | 3.2 | 3.1 | 3.1 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC | Preferred | N/A | — | — | — | — | 3.1 | 3.1 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Preferred Equity | — | N/A | — | — | — | — | 3.1 | 3.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Preferred Equity | — | N/A | — | — | — | — | 3.1 | 3.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Preferred Equity | — | N/A | — | — | — | — | 3.1 | 3.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Roof Opco, LLC | Other | PIK Toggle | 10.00% | 10.00% | — | 4.2 | 4.2 | 3.1 | -1.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC | Preferred | N/A | — | — | — | — | 3.0 | 3.0 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC | Other | PIK Toggle | 10.13% | 10.13% | +600bps | 3.0 | 3.0 | 3.0 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC | Other | Floating | 9.07% | — | +525bps | 3.2 | 3.1 | 3.0 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 1.7 | 3.0 | +1.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | 3.0 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | UserZoom Technologies, Inc. | Other | Floating | 11.63% | — | +750bps | 3.0 | 3.0 | 3.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC, Secured Debt 2 | — | Floating | 11.61% | — | +600bps | 3.0 | 3.0 | 3.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | UserZoom Technologies, Inc., Secured Debt | — | Floating | 12.99% | — | +750bps | 3.0 | 2.9 | 3.0 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | UserZoom Technologies, Inc., Secured Debt | — | Floating | 12.75% | — | +750bps | 3.0 | 2.9 | 3.0 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Preferred Equity | — | N/A | — | — | — | — | — | 3.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | South Coast Terminals Holdings, LLC, Secured Debt 2 | — | Floating | 11.70% | — | +600bps | 3.0 | 2.9 | 3.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Connect Telecommunications Solutions Holdings, Inc., Secured Debt | — | Fixed | 13.00% | — | — | 3.1 | 3.0 | 3.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Preferred Member Units | — | N/A | — | — | — | — | 2.1 | 3.0 | +0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | West Star Aviation Acquisition, LLC, Secured Debt 2 | — | Floating | 11.35% | — | +600bps | 2.9 | 2.9 | 2.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Preferred Stock | — | N/A | — | — | — | — | — | 2.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | West Star Aviation Acquisition, LLC, Secured Debt 2 | — | Floating | 9.60% | — | +500bps | 2.9 | 2.9 | 2.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Tex Tech Tennis, LLC | Preferred | N/A | — | — | — | — | 1.0 | 2.9 | +1.9 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 1.1 | — | N/A | — | — | — | — | — | 2.9 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 3.0 | 2.9 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | OnPoint Industrial Services, LLC | Other | Floating | 9.42% | — | +575bps | 2.9 | 2.9 | 2.9 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | OnPoint Industrial Services, LLC, Secured Debt 2 | — | Floating | 11.33% | — | +700bps | 2.9 | 2.9 | 2.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | GFG Group, LLC, Preferred Member Units | — | N/A | — | — | — | — | 1.2 | 2.9 | +1.6 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Slick Innovations, LLC, Secured Debt | — | Fixed | 14.00% | — | — | 2.9 | 2.8 | 2.9 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tex Tech Tennis, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.0 | 2.8 | +1.8 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | GFG Group, LLC, Secured Debt | — | N/A | — | — | — | — | — | 2.8 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Digital Products Holdings LLC | Other | Floating | 13.88% | — | +1000bps | 3.0 | 3.0 | 2.8 | -0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | B-O-F Corporation | Other | Floating | 8.74% | — | +475bps | 2.9 | 2.8 | 2.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Coregistics Buyer LLC, Secured Debt 2 | — | Floating | 10.36% | — | +600bps | 2.9 | 2.8 | 2.8 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC, Secured Debt 2 | — | Floating | 12.58% | — | +800bps | 3.0 | 3.0 | 2.8 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | JorVet Holdings, LLC, Secured Debt | — | Fixed | 12.00% | — | — | 2.9 | 2.8 | 2.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MB2 Dental Solutions, LLC, Secured Debt 1 | — | Floating | 11.46% | — | +600bps | 2.8 | 2.8 | 2.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Secured Debt 2 | — | Floating | 15.00% | — | +750bps | 3.3 | 3.3 | 2.8 | -0.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CenterPeak Holdings, LLC | Other | Fixed | 15.00% | — | — | 2.8 | 2.8 | 2.8 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Winter Services LLC, Secured Debt 1 | — | Floating | 12.64% | — | +700bps | 2.8 | 2.7 | 2.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Preferred Member Units | — | N/A | — | — | — | — | 1.5 | 2.8 | +1.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Member Units 1 | — | N/A | — | — | — | — | 1.8 | 2.8 | +0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | U.S. TelePacific Corp. | Other | PIK Toggle | 12.32% | 7.00% | +815bps | 6.7 | 1.8 | 2.7 | +1.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GFG Group, LLC | Preferred | N/A | — | — | — | — | 1.2 | 2.7 | +1.5 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | FCC Intermediate Holdco, LLC, Warrants | — | N/A | — | — | — | — | 1.0 | 2.7 | +1.7 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CenterPeak Holdings, LLC | Preferred | N/A | — | — | — | — | 0.4 | 2.7 | +2.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Johnson Downie Opco, LLC, Secured Debt 2 | — | Fixed | 15.00% | — | — | 2.7 | 2.6 | 2.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | U.S. TelePacific Corp., Secured Debt 1 | — | Floating | 11.90% | — | +740bps | 6.8 | 2.2 | 2.7 | +0.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Winter Services LLC, Secured Debt 1 | — | Floating | 12.81% | — | +800bps | 2.8 | 2.7 | 2.7 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Microbe Formulas, LLC, Secured Debt 2 | — | Floating | 11.46% | — | +600bps | 2.7 | 2.6 | 2.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | VORTEQ Coil Finishers, LLC | Equity | N/A | — | — | — | — | 0.8 | 2.7 | +1.9 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Connect Telecommunications Solutions Holdings, Inc. | Other | Fixed | 13.00% | — | — | 2.7 | 2.6 | 2.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GFG Group, LLC, Preferred Member Units | — | N/A | — | — | — | — | 1.2 | 2.6 | +1.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Power System Solutions, Secured Debt 2 | — | Floating | 10.86% | — | +650bps | 2.6 | 2.6 | 2.6 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | American Nuts, LLC, Secured Debt 2 | — | Floating | 16.49% | — | +1175bps | 4.3 | 4.2 | 2.6 | -1.6 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 2.1 | — | N/A | — | — | — | — | — | 2.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | ATX Networks Corp., Unsecured Debt | — | N/A | — | — | — | — | — | 2.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC | Other | PIK Toggle | 11.82% | 11.82% | +800bps | 2.6 | 2.5 | 2.6 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Winter Services LLC, Secured Debt 2 | — | Floating | 12.66% | — | +700bps | 2.6 | 2.5 | 2.6 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CaseWorthy, Inc., Secured Debt 2 | — | Floating | 11.61% | — | +600bps | 2.6 | 2.6 | 2.6 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | JorVet Holdings, LLC | Other | Fixed | 12.00% | — | — | 2.6 | 2.6 | 2.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | JorVet Holdings, LLC, Secured Debt | — | Fixed | 12.00% | — | — | 2.6 | 2.6 | 2.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Berry Aviation, Inc., Preferred Member Units 2 | — | N/A | — | — | — | — | — | 2.6 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC | Other | Fixed | 11.50% | — | — | 2.5 | 2.5 | 2.5 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 5 | — | Fixed | 13.50% | — | — | 2.6 | 2.5 | 2.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | American Nuts, LLC, Secured Debt 3 | — | Floating | 17.29% | — | +1175bps | 4.3 | 4.2 | 2.5 | -1.7 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | USA DeBusk LLC, Secured Debt 3 | — | Floating | 11.96% | — | +650bps | 2.5 | 2.5 | 2.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Adams Publishing Group, LLC, Secured Debt 2 | — | Floating | 11.00% | — | +700bps | 2.5 | 2.5 | 2.5 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Digital Products Holdings LLC | Preferred | N/A | — | — | — | — | 2.4 | 2.5 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Digital Products Holdings LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 2.5 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Digital Products Holdings LLC, Preferred Member Units | — | N/A | — | — | — | — | 2.4 | 2.5 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Digital Products Holdings LLC, Preferred Member Units | — | N/A | — | — | — | — | 2.4 | 2.5 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Secured Debt 2 | — | Fixed | 9.00% | — | — | 2.5 | 2.5 | 2.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Paragon Healthcare, Inc., Secured Debt 3 | — | Floating | 11.25% | — | +575bps | 2.5 | 2.4 | 2.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | U.S. TelePacific Corp., Secured Debt 1 | — | Floating | 12.53% | — | +715bps | 6.8 | 2.6 | 2.4 | -0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 2.5 | 2.4 | 2.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Preferred Equity | — | N/A | — | — | — | — | 3.1 | 2.4 | -0.6 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Garyline, LLC, Secured Debt 1 | — | Floating | 11.29% | — | +675bps | 2.4 | 2.4 | 2.4 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CenterPeak Holdings, LLC, Secured Debt 2 | — | Fixed | 15.00% | — | — | 2.4 | 2.4 | 2.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Microbe Formulas, LLC, Secured Debt 3 | — | Floating | 10.21% | — | +575bps | 2.4 | 2.4 | 2.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HEADLANDS OP-CO LLC, Secured Debt 5 | — | Floating | 10.86% | — | +650bps | 2.4 | 2.4 | 2.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Career Team Holdings, LLC | Other | Fixed | 13.00% | — | — | 2.4 | 2.4 | 2.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 5 | — | Fixed | 13.00% | — | — | 2.5 | 2.4 | 2.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Xenon Arc, Inc., Secured Debt 3 | — | Floating | 11.25% | — | +575bps | 2.4 | 2.3 | 2.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AFG Capital Group, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 2.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | GFG Group, LLC, Secured Debt | — | Fixed | 8.00% | — | — | 2.3 | 2.3 | 2.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Xenon Arc, Inc., Secured Debt 2 | — | Floating | 9.98% | — | +525bps | 2.3 | 2.3 | 2.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | American Nuts, LLC | Other | PIK Toggle | 12.64% | 12.64% | +850bps | 2.3 | 2.3 | 2.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Infinity X1 Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.1 | 2.3 | +1.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 1.1 | — | N/A | — | — | — | — | — | 2.3 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 2.5 | 2.3 | -0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Xenon Arc, Inc. | Other | Floating | 9.72% | — | +575bps | 2.3 | 2.3 | 2.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AB Centers Acquisition Corporation, Secured Debt 3 | — | Floating | 11.43% | — | +600bps | 2.3 | 2.2 | 2.3 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | TEC Services, LLC | Other | Floating | 9.27% | — | +550bps | 2.3 | 2.3 | 2.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Isagenix International, LLC, Secured Debt | — | Floating | 11.04% | — | +550bps | 2.6 | 2.4 | 2.3 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | TEC Services, LLC, Secured Debt 3 | — | Floating | 10.13% | — | +575bps | 2.3 | 2.3 | 2.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC | Preferred | N/A | — | — | — | — | 1.5 | 2.3 | +0.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | — | 2.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Tex Tech Tennis, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.0 | 2.3 | +1.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Winter Services LLC, Secured Debt 2 | — | Floating | 12.85% | — | +800bps | 2.3 | 2.3 | 2.3 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mills Fleet Farm Group, LLC | Other | PIK Toggle | 9.81% | 9.81% | +550bps | 2.3 | 2.3 | 2.3 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC | Other | Fixed | 13.50% | — | — | 2.2 | 2.2 | 2.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 3 | — | Fixed | 13.50% | — | — | 2.2 | 2.2 | 2.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 3 | — | Fixed | 13.00% | — | — | 2.2 | 2.2 | 2.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Zips Car Wash, LLC, Secured Debt 1 | — | Floating | 12.71% | — | +725bps | 2.4 | 2.4 | 2.2 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Secured Debt 1 | — | Floating | 11.46% | — | +700bps | 2.3 | 2.2 | 2.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Secured Debt 2 | — | Floating | 13.46% | — | +900bps | 2.4 | 2.2 | 2.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Adams Publishing Group, LLC, Secured Debt 2 | — | Floating | 11.00% | — | +700bps | 2.3 | 2.2 | 2.2 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Wall Street Prep, Inc., Secured Debt 2 | — | Floating | 11.74% | — | +700bps | 2.2 | 2.2 | 2.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MoneyThumb Acquisition, LLC, Secured Debt | — | Fixed | 14.00% | — | — | 2.4 | 2.2 | 2.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC | Other | Fixed | 9.00% | — | — | 2.2 | 2.2 | 2.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc., Preferred Equity | — | N/A | — | — | — | — | 0.2 | 2.2 | +2.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Career Team Holdings, LLC, Secured Debt 2 | — | Fixed | 13.00% | — | — | 2.2 | 2.2 | 2.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Vistar Media, Inc., Preferred Stock | — | N/A | — | — | — | — | 0.8 | 2.2 | +1.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Emerald Technologies Acquisition Co, Inc., Secured Debt | — | Floating | 11.79% | — | +625bps | 2.4 | 2.4 | 2.2 | -0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 2.2 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Urgent DSO LLC | Other | Fixed | 13.50% | — | — | 2.2 | 2.2 | 2.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC, Secured Debt 3 | — | Floating | 11.50% | — | +600bps | 2.2 | 2.1 | 2.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Urgent DSO LLC, Secured Debt | — | Fixed | 13.50% | — | — | 2.2 | 2.1 | 2.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Common Stock | — | N/A | — | — | — | — | 1.2 | 2.1 | +1.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Career Team Holdings, LLC, Secured Debt 2 | — | Fixed | 12.50% | — | — | 2.2 | 2.1 | 2.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 2.1 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 1 | — | Fixed | 11.50% | — | — | 2.1 | 2.1 | 2.1 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 2.1 | — | Fixed | 11.50% | — | — | — | — | 2.1 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Fidelity Government Portfolio Fund Class III | — | Fixed | 4.13% | — | — | — | 2.1 | 2.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Interface Security Systems, L.L.C | Other | PIK Toggle | 13.92% | 13.92% | +1000bps | 2.4 | 2.4 | 2.1 | -0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC, Secured Debt 3 | — | Fixed | 12.00% | — | — | 2.2 | 2.2 | 2.1 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Member Units 1 | — | N/A | — | — | — | — | — | 2.1 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Island Pump and Tank, LLC | Other | Floating | 10.25% | — | +600bps | 2.1 | 2.1 | 2.0 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GFG Group, LLC, Secured Debt | — | Fixed | 8.00% | — | — | 2.0 | 2.0 | 2.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Infinity X1 Holdings, LLC | Preferred | N/A | — | — | — | — | 1.1 | 2.0 | +0.9 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Zips Car Wash, LLC, Secured Debt 1 | — | Floating | 11.91% | — | +725bps | 2.5 | 2.5 | 2.0 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 1.1 | — | N/A | — | — | — | — | — | 2.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | UBM AcquireCo LLC | Equity | N/A | — | — | — | — | 2.0 | 2.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | HEADLANDS OP-CO LLC, Secured Debt 2 | — | Floating | 11.86% | — | +650bps | 2.0 | 2.0 | 2.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CaseWorthy, Inc., Secured Debt 3 | — | Floating | 11.61% | — | +600bps | 2.0 | 2.0 | 2.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 2.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 2.0 | 2.0 | 2.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | HEADLANDS OP-CO LLC, Secured Debt 2 | — | Floating | 10.86% | — | +650bps | 2.0 | 2.0 | 2.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Secured Debt 2 | — | Fixed | 13.50% | — | — | 2.0 | 2.0 | 2.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Adams Publishing Group, LLC | Other | PIK Toggle | 11.00% | 1.00% | +700bps | 2.0 | 2.0 | 2.0 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC, Secured Debt 4 | — | Floating | 11.50% | — | +600bps | 2.0 | 1.9 | 2.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Barfly Ventures, LLC, Member Units | — | N/A | — | — | — | — | 0.5 | 2.0 | +1.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Common Stock | — | N/A | — | — | — | — | — | 1.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | VORTEQ Coil Finishers, LLC, Common Equity | — | N/A | — | — | — | — | 0.8 | 1.9 | +1.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | IG Parent Corporation, Secured Debt 3 | — | Floating | 10.96% | — | +550bps | 1.9 | 1.9 | 1.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | IG Parent Corporation, Secured Debt 3 | — | Floating | 10.21% | — | +575bps | 1.9 | 1.9 | 1.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 1.9 | 1.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Preferred Equity 1 | — | N/A | — | — | — | — | — | 1.9 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.5 | 1.9 | +0.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | — | 1.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Secured Debt 1 | — | Floating | 10.45% | — | +500bps | 2.1 | 1.9 | 1.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | VORTEQ Coil Finishers, LLC, Common Equity | — | N/A | — | — | — | — | 0.8 | 1.9 | +1.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Secured Debt 1 | — | Floating | 16.00% | — | +750bps | 2.0 | 2.0 | 1.9 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | 1.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | MoneyThumb Acquisition, LLC | Other | Fixed | 14.00% | — | — | 2.0 | 1.9 | 1.9 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Infolinks Media Buyco, LLC, Secured Debt 1 | — | Floating | 11.21% | — | +575bps | 1.9 | 1.8 | 1.9 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Coregistics Buyer LLC, Secured Debt 3 | — | Floating | 10.40% | — | +600bps | 1.9 | 1.9 | 1.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC, Secured Debt 4 | — | Fixed | 12.00% | — | — | 2.0 | 2.0 | 1.9 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.9 | 1.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Emerald Technologies Acquisition Co, Inc., Secured Debt | — | Floating | 10.71% | — | +625bps | 2.3 | 2.3 | 1.9 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.9 | 1.9 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Secured Debt 2 | — | Floating | 12.45% | — | +700bps | 2.1 | 1.9 | 1.9 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | HDC/HW Intermediate Holdings, Secured Debt 2 | — | Floating | 14.34% | — | +950bps | 2.0 | 2.0 | 1.8 | -0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC, Secured Debt 2 | — | Fixed | 13.00% | — | — | 1.9 | 1.9 | 1.8 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Secured Debt 1.1 | — | Fixed | 8.50% | — | — | — | — | 1.8 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Secured Debt 2 | — | Fixed | 8.50% | — | — | 5.9 | 5.4 | 1.8 | -3.6 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC | Preferred | N/A | — | — | — | — | 1.9 | 1.8 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Preferred Equity | — | N/A | — | — | — | — | — | 1.8 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | GFG Group, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 1.8 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Interface Security Systems, L.L.C, Secured Debt 1 | — | Floating | 15.48% | — | +1000bps | 1.8 | 1.8 | 1.8 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Brewer Crane Holdings, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 1.8 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Bettercloud, Inc. | Other | PIK Toggle | 12.07% | 12.07% | +825bps | 1.7 | 1.7 | 1.7 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Secured Debt 1 | — | Floating | 23.63% | — | +1800bps | 2.0 | 2.0 | 1.7 | -0.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc., Preferred Eqiuty | — | N/A | — | — | — | — | 0.2 | 1.7 | +1.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Island Pump and Tank, LLC, Secured Debt 2 | — | Floating | 10.35% | — | +550bps | 1.7 | 1.7 | 1.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Island Pump and Tank, LLC, Secured Debt 3 | — | Floating | 11.35% | — | +650bps | 1.7 | 1.7 | 1.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Island Pump and Tank, LLC, Secured Debt 4 | — | Floating | 12.35% | — | +750bps | 1.7 | 1.7 | 1.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | PTL US Bidco, Inc, Secured Debt 2 | — | Floating | 12.88% | — | +725bps | 1.7 | 1.7 | 1.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC, Secured Debt 2 | — | Fixed | 12.75% | — | — | 1.7 | 1.7 | 1.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Vitesse Systems, Secured Debt 1 | — | Floating | 11.55% | — | +700bps | 1.7 | 1.7 | 1.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 2.1 | — | Fixed | 9.00% | — | — | — | — | 1.7 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 2 | — | Fixed | 9.00% | — | — | 1.7 | 1.7 | 1.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc., Secured Debt 1 | — | Floating | 12.46% | — | +700bps | 1.7 | 1.6 | 1.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Microbe Formulas, LLC | Other | Floating | 9.32% | — | +550bps | 1.7 | 1.7 | 1.7 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Preferred Equity | — | N/A | — | — | — | — | — | 1.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Power System Solutions, Common Equity | — | N/A | — | — | — | — | 0.5 | 1.6 | +1.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Secured Debt 2 | — | Fixed | 12.50% | — | — | 3.7 | 3.6 | 1.6 | -2.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CenterPeak Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 0.4 | 1.6 | +1.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Industrial Services Acquisition, LLC, Member Units | — | N/A | — | — | — | — | 2.1 | 1.6 | -0.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | World Micro Holdings, LLC, Secured Debt | — | Fixed | 13.00% | — | — | 1.6 | 1.6 | 1.6 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC | Preferred | N/A | — | — | — | — | 1.6 | 1.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC, Preferred Stock 2 | — | N/A | — | — | — | — | 1.6 | 1.6 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC, Preferred Stock 2 | — | N/A | — | — | — | — | 1.6 | 1.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC | Other | PIK Toggle | 8.50% | 8.50% | — | 5.9 | 5.4 | 1.6 | -3.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Preferred Member Units | — | N/A | — | — | — | — | 2.1 | 1.6 | -0.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc., Secured Debt 1 | — | Floating | 12.18% | — | +750bps | 1.6 | 1.6 | 1.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Interface Security Systems, L.L.C, Secured Debt 1 | — | Floating | 14.54% | — | +1000bps | 2.1 | 2.1 | 1.6 | -0.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc. | Other | PIK Toggle | 12.50% | 10.00% | — | 3.7 | 3.5 | 1.6 | -2.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | BP Loenbro Holdings Inc., Common Equity | — | N/A | — | — | — | — | 1.0 | 1.6 | +0.6 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Secured Debt 1 | — | Floating | 10.66% | — | +600bps | 1.6 | 1.5 | 1.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC | Other | PIK Toggle | 12.00% | 4.00% | — | 2.3 | 2.3 | 1.5 | -0.7 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AMEREQUIP LLC, Secured Debt 2 | — | Floating | 12.76% | — | +740bps | 1.5 | 1.5 | 1.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC | Other | Floating | 11.94% | — | +800bps | 1.5 | 1.5 | 1.5 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC, Secured Debt 2 | — | Fixed | 9.75% | — | — | 1.5 | 1.5 | 1.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC | Preferred | N/A | — | — | — | — | 0.6 | 1.5 | +0.9 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Wall Street Prep, Inc., Common Stock | — | N/A | — | — | — | — | 0.5 | 1.5 | +1.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc. | Preferred | N/A | — | — | — | — | 0.2 | 1.5 | +1.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.7 | 1.5 | +0.8 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | 1.5 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Brewer Crane Holdings, LLC, Secured Debt | — | N/A | — | — | — | — | — | 1.5 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Common Stock | — | N/A | — | — | — | — | — | 1.5 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Preferred Equity 1 | — | N/A | — | — | — | — | 1.5 | 1.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Secured Debt 3 | — | Floating | 13.21% | — | +875bps | 1.5 | 1.5 | 1.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | World Micro Holdings, LLC, Secured Debt | — | Fixed | 13.00% | — | — | 1.5 | 1.5 | 1.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | West Star Aviation Acquisition, LLC, Secured Debt 3 | — | Floating | 11.35% | — | +600bps | 1.5 | 1.4 | 1.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | JorVet Holdings, LLC., Preferred Eqiuty | — | N/A | — | — | — | — | 1.2 | 1.5 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | West Star Aviation Acquisition, LLC, Secured Debt 3 | — | Floating | 9.60% | — | +500bps | 1.5 | 1.4 | 1.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 1.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 1.4 | 1.4 | 1.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 1.4 | 1.4 | 1.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | KMS, LLC | Other | Fixed | 12.50% | — | — | 1.5 | 1.4 | 1.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Emerald Technologies Acquisition Co, Inc. | Other | Floating | 10.22% | — | +625bps | 2.3 | 2.2 | 1.4 | -0.8 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Warrants | — | N/A | — | — | — | — | 0.5 | 1.4 | +0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Connect Telecommunications Solutions Holdings, Inc. | Preferred | N/A | — | — | — | — | 1.4 | 1.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Brewer Crane Holdings, LLC, Preferred Member Units | — | N/A | — | — | — | — | 1.1 | 1.4 | +0.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Connect Telecommunications Solutions Holdings, Inc., Preferred Equity | — | N/A | — | — | — | — | 1.4 | 1.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HEADLANDS OP-CO LLC, Secured Debt 3 | — | Floating | 10.86% | — | +650bps | 1.4 | 1.4 | 1.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Barfly Ventures, LLC, Member Units | — | N/A | — | — | — | — | 0.5 | 1.4 | +0.9 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Oneliance, LLC, Secured Debt | — | N/A | — | — | — | — | — | 1.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Brewer Crane Holdings, LLC, Secured Debt | — | Floating | 15.46% | — | +1000bps | 1.4 | 1.4 | 1.4 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP) | — | N/A | — | — | — | — | 2.3 | 1.4 | -0.9 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | World Micro Holdings, LLC | Other | Fixed | 12.00% | — | — | 1.4 | 1.4 | 1.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Microbe Formulas, LLC, Secured Debt 2 | — | Floating | 10.22% | — | +575bps | 1.3 | 1.3 | 1.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Oneliance, LLC, Secured Debt | — | Floating | 16.48% | — | +1100bps | 1.4 | 1.3 | 1.3 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.6 | 1.3 | +0.7 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | 1.3 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC | Other | Floating | 11.15% | — | +700bps | 1.3 | 1.3 | 1.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | HDC/HW Intermediate Holdings, Secured Debt 1 | — | Floating | 8.75% | — | +350bps | 1.4 | 1.3 | 1.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Purge Rite, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.3 | 1.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Member Units 1 | — | N/A | — | — | — | — | 1.8 | 1.3 | -0.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.5 | 1.3 | +0.8 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | 1.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | 1.3 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Purge Rite, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.3 | 1.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting) | — | Fixed | 10.00% | — | — | — | 1.3 | 1.3 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | HDC/HW Intermediate Holdings | Other | PIK Toggle | 9.01% | 2.50% | +350bps | 1.5 | 1.4 | 1.3 | -0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 1.3 | 1.3 | 1.3 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC | Other | Fixed | 8.75% | — | — | 1.3 | 1.3 | 1.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Freeport Financial Funds, LP Interests (Freeport First Lien Loan Fund III LP) | — | N/A | — | — | — | — | 1.7 | 1.3 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Secured Debt | — | Fixed | 13.00% | — | — | 1.4 | 1.4 | 1.3 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Brewer Crane Holdings, LLC | Other | Floating | 13.98% | — | +1000bps | 1.3 | 1.3 | 1.3 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Brewer Crane Holdings, LLC, Secured Debt | — | Floating | 14.66% | — | +1000bps | 1.3 | 1.3 | 1.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc., Secured Debt 2 | — | Floating | 12.19% | — | +750bps | 1.3 | 1.2 | 1.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC | Preferred | N/A | — | — | — | — | 0.8 | 1.2 | +0.5 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC, Secured Debt 3 | — | Floating | 13.55% | — | +800bps | 1.3 | 1.2 | 1.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Airo Purchaser, Inc. | Equity | N/A | — | — | — | — | 1.2 | 1.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | JorVet Holdings, LLC | Preferred | N/A | — | — | — | — | 1.2 | 1.2 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | RA Outdoors LLC, Secured Debt 1 | — | Floating | 11.74% | — | +675bps | 1.3 | 1.3 | 1.2 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | American Nuts, LLC | Preferred | N/A | — | — | — | — | 2.6 | 1.2 | -1.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.6 | 1.2 | +0.6 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | 1.2 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 3 | — | N/A | — | — | — | — | — | 1.2 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Hornblower Sub, LLC, Secured Debt 1 | — | Floating | 9.92% | — | +550bps | 1.2 | 1.2 | 1.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 1.2 | 1.2 | 1.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | JorVet Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.2 | 1.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Xenon Arc, Inc., Secured Debt 2 | — | Floating | 11.22% | — | +575bps | 1.2 | 1.2 | 1.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | BDB Holdings, LLC | Other | Fixed | 12.00% | — | — | 1.2 | 1.2 | 1.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Secured Debt 1 | — | Floating | 11.48% | — | +600bps | 1.2 | 1.2 | 1.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | KMS, LLC, Secured Debt 1 | — | Floating | 14.75% | — | +925bps | 1.3 | 1.2 | 1.2 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Xenon Arc, Inc., Secured Debt 1 | — | Floating | 9.70% | — | +525bps | 1.2 | 1.2 | 1.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 3 | — | Fixed | 10.00% | — | — | 1.2 | 1.2 | 1.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Brewer Crane Holdings, LLC, Preferred Member Units | — | N/A | — | — | — | — | 1.1 | 1.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 3 | — | Fixed | 10.00% | — | — | 1.2 | 1.2 | 1.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 1.2 | 1.2 | 1.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | PTL US Bidco, Inc, Secured Debt 2 | — | Floating | 13.03% | — | +825bps | 1.2 | 1.2 | 1.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC, Secured Debt 3 | — | Floating | 14.58% | — | +1000bps | 1.2 | 1.2 | 1.1 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Classic H&G Holdings, LLC, Secured Debt 1 | — | Floating | 11.69% | — | +600bps | 1.1 | 1.1 | 1.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Peaches Holding Corporation, Common Equity | — | N/A | — | — | — | — | 1.8 | 1.1 | -0.7 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Secured Debt | — | N/A | — | — | — | — | — | 1.1 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 1.1 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Secured Debt 1 | — | Fixed | 14.00% | — | — | 1.1 | 1.1 | 1.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Secured Debt 1 | — | Floating | 11.59% | — | +700bps | 1.2 | 1.2 | 1.1 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 1 | — | Fixed | 13.00% | — | — | 1.1 | 1.1 | 1.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Secured Debt 3 | — | Floating | 12.78% | — | +800bps | 1.1 | 0.9 | 1.1 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Secured Debt 4 | — | Floating | 14.78% | — | +1000bps | 1.1 | 0.9 | 1.1 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 1 | — | Fixed | 13.50% | — | — | 1.1 | 1.1 | 1.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Barfly Ventures, LLC, Member Units | — | N/A | — | — | — | — | — | 1.1 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC | Other | Fixed | 10.00% | — | — | 1.1 | 1.1 | 1.1 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | 1.1 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Secured Debt 4 | — | Floating | 13.18% | — | +875bps | 1.1 | 1.1 | 1.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Urgent DSO LLC | Preferred | N/A | — | — | — | — | 1.2 | 1.1 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC | Other | Fixed | 12.00% | — | — | 1.1 | 1.1 | 1.1 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AB Centers Acquisition Corporation, Secured Debt 2 | — | Floating | 11.43% | — | +600bps | 1.1 | 1.1 | 1.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Electro Technical Industries, LLC | Equity | N/A | — | — | — | — | 0.7 | 1.1 | +0.4 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Urgent DSO LLC, Preferred Equity | — | Fixed | 9.00% | — | — | — | 1.1 | 1.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Richardson Sales Solutions, Secured Debt 1 | — | Floating | 11.22% | — | +675bps | 1.1 | 1.0 | 1.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Johnson Downie Opco, LLC, Preferred Equity | — | N/A | — | — | — | — | 0.4 | 1.1 | +0.7 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Secured Debt 1 | — | Fixed | 15.00% | — | — | 1.1 | 1.1 | 1.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | OnPoint Industrial Services, LLC, Secured Debt 1 | — | Floating | 11.35% | — | +700bps | 1.1 | 1.0 | 1.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Brightwood Capital Fund Investments, LP Interests (Brightwood Capital Fund III, LP) | — | N/A | — | — | — | — | 1.9 | 1.0 | -0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Wash & Wax Systems LLC | Other | Floating | 9.34% | — | +550bps | 1.0 | 1.0 | 1.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Secured Debt 2 | — | Floating | 15.38% | — | +1000bps | 1.0 | 1.0 | 1.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Secured Debt 2 | — | Fixed | 13.75% | — | — | 1.0 | 1.0 | 1.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Secured Debt 1 | — | Fixed | 15.00% | — | — | 1.0 | 1.0 | 1.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AGS American Glass Services Acquisition, LLC | Preferred | N/A | — | — | — | — | 1.0 | 1.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Core Transformers | Equity | N/A | — | — | — | — | 1.0 | 1.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Infinity X1 Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.0 | 1.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Invincible Boat Company, LLC., Secured Debt 1 | — | Floating | 12.01% | — | +750bps | 1.0 | 1.0 | 1.0 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Secured Debt 2 | — | Fixed | 9.00% | — | — | 1.0 | 1.0 | 1.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CRC Evans USA Bidco, Inc. | Other | Floating | 10.83% | — | +675bps | 1.0 | 1.0 | 1.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC | Preferred | N/A | — | — | — | — | 0.5 | 1.0 | +0.5 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC | Other | Fixed | 13.75% | — | — | 1.0 | 1.0 | 1.0 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 1.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Secured Debt 2 | — | Fixed | 9.00% | — | — | 1.0 | 1.0 | 1.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | — | 0.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc. | Other | PIK Toggle | 20.00% | 20.00% | — | 1.1 | 1.1 | 0.9 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Adams Publishing Group, LLC, Secured Debt 1 | — | Floating | 11.00% | — | +700bps | 0.9 | 0.9 | 0.9 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC | Other | Floating | 9.25% | — | +500bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC, Secured Debt 2 | — | Floating | 11.16% | — | +550bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC, Secured Debt 2 | — | Floating | 9.85% | — | +500bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC, Secured Debt 3 | — | Floating | 13.16% | — | +750bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC, Secured Debt 3 | — | Floating | 11.85% | — | +700bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Adams Publishing Group, LLC, Secured Debt 1 | — | Floating | 11.00% | — | +700bps | 0.9 | 0.9 | 0.9 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Wall Street Prep, Inc., Common Stock | — | N/A | — | — | — | — | 0.5 | 0.9 | +0.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 3.8 | 3.8 | 0.9 | -2.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC | Other | Fixed | 10.00% | — | — | 0.9 | 0.9 | 0.9 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Secured Debt 1 | — | Floating | 11.16% | — | +650bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Secured Debt 1 | — | Fixed | 10.00% | — | — | — | — | 0.9 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Secured Debt | — | Fixed | 10.00% | — | — | 0.9 | 0.9 | 0.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Secured Debt | — | Fixed | 10.00% | — | — | 0.9 | 0.9 | 0.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NuStep, LLC, Secured Debt 1 | — | Floating | 11.98% | — | +650bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Member Units 2 | — | N/A | — | — | — | — | 0.4 | 0.9 | +0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | 0.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 0.9 | 0.9 | 0.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 4 | — | Floating | 12.71% | — | +725bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 0.9 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Brewer Crane Holdings, LLC | Preferred | N/A | — | — | — | — | 1.1 | 0.9 | -0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 4 | — | Floating | 11.92% | — | +725bps | 0.9 | 0.9 | 0.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Secured Debt 2 | — | Floating | 10.77% | — | +625bps | 0.9 | 0.8 | 0.9 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Royal Cup Inc. | Preferred | N/A | — | — | — | — | 0.9 | 0.9 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Secured Debt 4 | — | Floating | 17.59% | — | +1000bps | 1.1 | 0.8 | 0.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 0.9 | 0.9 | 0.8 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Secured Debt 3 | — | Floating | 15.59% | — | +800bps | 1.1 | 0.8 | 0.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | KMS, LLC, Secured Debt 1 | — | Floating | 14.50% | — | +975bps | 1.3 | 1.2 | 0.8 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Purge Rite, LLC, Common Equity | — | N/A | — | — | — | — | 0.0 | 0.8 | +0.8 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Richardson Sales Solutions, Secured Debt 1 | — | Floating | 18.47% | — | +650bps | 0.8 | 0.8 | 0.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ZRG Partners, LLC, Secured Debt 3 | — | Floating | 10.28% | — | +600bps | 0.8 | 0.8 | 0.8 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Oneliance, LLC | Preferred | N/A | — | — | — | — | 0.3 | 0.8 | +0.5 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Preferred Equity 2 | — | Fixed | 15.00% | — | — | — | 0.8 | 0.8 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Imaging Business Machines, L.L.C., Secured Debt 1 | — | Floating | 11.39% | — | +700bps | 0.8 | 0.8 | 0.8 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Imaging Business Machines, L.L.C., Secured Debt 1 | — | Floating | 12.41% | — | +700bps | 0.8 | 0.8 | 0.8 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AB Centers Acquisition Corporation, Secured Debt 4 | — | Floating | 11.43% | — | +600bps | 0.8 | 0.7 | 0.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Industrial Services Acquisition, LLC, Secured Debt 1 | — | Floating | 12.22% | — | +675bps | 0.8 | 0.7 | 0.8 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 1 | — | Fixed | 11.75% | — | — | 0.8 | 0.7 | 0.8 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | RA Outdoors LLC, Secured Debt 1 | — | Floating | 12.22% | — | +675bps | 0.8 | 0.8 | 0.7 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 2 | — | Fixed | 13.00% | — | — | 0.7 | 0.7 | 0.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Secured Debt 2 | — | Fixed | 13.50% | — | — | 0.7 | 0.7 | 0.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc. | Preferred | N/A | — | — | — | — | 2.9 | 0.7 | -2.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC | Equity | N/A | — | — | — | — | 0.1 | 0.7 | +0.6 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Member Units 2 | — | N/A | — | — | — | — | 0.4 | 0.7 | +0.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Member Units | — | N/A | — | — | — | — | — | 0.7 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Classic H&G Holdings, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 0.7 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Common Stock | — | N/A | — | — | — | — | 0.7 | 0.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC | Other | PIK Toggle | 12.00% | 12.00% | — | 3.8 | 3.8 | 0.7 | -3.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 1 | — | Floating | 11.89% | — | +725bps | 0.7 | 0.7 | 0.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Boccella Precast Products LLC | Other | N/A | — | — | — | — | 0.6 | 0.7 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Member Units | — | N/A | — | — | — | — | 0.2 | 0.7 | +0.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC | Equity | N/A | — | — | — | — | 0.7 | 0.7 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Preferred Stock | — | N/A | — | — | — | — | 0.5 | 0.7 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Member Units 2 | — | N/A | — | — | — | — | — | 0.7 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Kickhaefer Manufacturing Company, LLC, Member Units | — | N/A | — | — | — | — | 0.2 | 0.7 | +0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Common Stock | — | N/A | — | — | — | — | 0.7 | 0.7 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC, Secured Debt 1 | — | Floating | 12.72% | — | +800bps | 0.7 | 0.7 | 0.7 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | West Star Aviation Acquisition, LLC, Secured Debt 1 | — | Floating | 11.34% | — | +600bps | 0.7 | 0.7 | 0.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC, Secured Debt 1 | — | Floating | 13.53% | — | +800bps | 0.7 | 0.7 | 0.7 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC, Secured Debt 1 | — | Floating | 10.73% | — | +600bps | 0.7 | 0.7 | 0.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | West Star Aviation Acquisition, LLC, Secured Debt 1 | — | Floating | 9.47% | — | +500bps | 0.7 | 0.6 | 0.7 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Binswanger Enterprises, LLC, Member Units | — | N/A | — | — | — | — | 1.1 | 0.7 | -0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | PrimeFlight Aviation Services, Secured Debt 4 | — | Floating | 9.58% | — | +525bps | 0.6 | 0.6 | 0.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Common Stock | — | N/A | — | — | — | — | 1.6 | 0.6 | -0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Oneliance, LLC, Preferred Stock | — | N/A | — | — | — | — | 0.3 | 0.6 | +0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | West Star Aviation Acquisition, LLC, Common Stock | — | N/A | — | — | — | — | 0.2 | 0.6 | +0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Slick Innovations, LLC, Common Stock | — | N/A | — | — | — | — | — | 0.6 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Isagenix International, LLC, Secured Debt | — | Floating | 11.25% | — | +660bps | 3.0 | 2.8 | 0.6 | -2.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.4 | 0.6 | -0.8 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC, Secured Debt 1 | — | Floating | 14.69% | — | +1000bps | 0.7 | 0.7 | 0.6 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MCT Purchaserco Holding Inc. | Equity | N/A | — | — | — | — | 0.6 | 0.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Career Team Holdings, LLC | Equity | N/A | — | — | — | — | 0.6 | 0.6 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.2 | 0.6 | +0.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Slick Innovations, LLC, Common Stock | — | N/A | — | — | — | — | 0.1 | 0.6 | +0.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Titan Meter Midco Corp. | Preferred | PIK Toggle | 8.00% | 8.00% | — | — | 0.5 | 0.6 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Copper Trail Fund Investments, LP Interests (CTMH, LP) | — | N/A | — | — | — | — | — | 0.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | 0.6 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Secured Debt 2 | — | Fixed | 12.50% | — | — | 0.6 | 0.6 | 0.6 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Preferred Stock | — | N/A | — | — | — | — | 0.5 | 0.6 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | PrimeFlight Aviation Services, Secured Debt 2 | — | Floating | 12.20% | — | +685bps | 0.6 | 0.6 | 0.6 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Copper Trail Fund Investments, LP Interests (CTMH, LP) | — | N/A | — | — | — | — | 0.7 | 0.6 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | PrimeFlight Aviation Services, Secured Debt 3 | — | Floating | 9.83% | — | +550bps | 0.6 | 0.6 | 0.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | PrimeFlight Aviation Services, Secured Debt 2 | — | Floating | 9.83% | — | +550bps | 0.6 | 0.5 | 0.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | KMS, LLC, Secured Debt 2 | — | Floating | 14.23% | — | +975bps | 0.6 | 0.6 | 0.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Slick Innovations, LLC | Equity | N/A | — | — | — | — | — | 0.6 | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Zips Car Wash, LLC, Secured Debt 2 | — | Floating | 12.71% | — | +725bps | 0.6 | 0.6 | 0.6 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Imaging Business Machines, L.L.C., Common Equity | — | N/A | — | — | — | — | 0.6 | 0.6 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | KMS, LLC, Secured Debt 3 | — | Floating | 14.23% | — | +975bps | 0.6 | 0.6 | 0.6 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Imaging Business Machines, L.L.C. | Equity | N/A | — | — | — | — | 0.6 | 0.5 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Titan Meter Midco Corp., Preferred Equity | — | Fixed | 8.00% | — | — | — | 0.5 | 0.5 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Preferred Equity | — | Fixed | 10.00% | — | — | — | 0.3 | 0.5 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Common Stock | — | N/A | — | — | — | — | — | 0.5 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MoneyThumb Acquisition, LLC | Preferred | PIK Toggle | 12.00% | 12.00% | — | — | 0.5 | 0.5 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | World Micro Holdings, LLC | Preferred | N/A | — | — | — | — | 0.5 | 0.5 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Career Team Holdings, LLC, Common Stock | — | N/A | — | — | — | — | 0.5 | 0.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Copper Trail Fund Investments, LP Interests (CTMH, LP) | — | N/A | — | — | — | — | 0.7 | 0.5 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | World Micro Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 0.5 | 0.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | World Micro Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 0.5 | 0.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | American Teleconferencing Services, Ltd., Secured Debt 2 | — | N/A | — | — | — | 11.7 | 11.5 | 0.5 | -10.9 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Warrants | — | N/A | — | — | — | — | 0.5 | 0.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ZRG Partners, LLC, Secured Debt 2 | — | Floating | 10.74% | — | +600bps | 0.5 | 0.5 | 0.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | BP Loenbro Holdings Inc., Secured Debt 1 | — | Floating | 10.68% | — | +625bps | 0.5 | 0.5 | 0.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CAI Software LLC, Preferred Equity 1 | — | N/A | — | — | — | — | 0.5 | 0.5 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Classic H&G Holdings, LLC | Preferred | N/A | — | — | — | — | — | 0.5 | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Imaging Business Machines, L.L.C., Common Equity | — | N/A | — | — | — | — | 0.6 | 0.5 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Invincible Boat Company, LLC., Secured Debt 1 | — | Floating | 12.00% | — | +650bps | 0.5 | 0.5 | 0.5 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Zips Car Wash, LLC, Secured Debt 2 | — | Floating | 11.91% | — | +725bps | 0.6 | 0.6 | 0.5 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Behavior Development Group Holdings | Equity | N/A | — | — | — | — | 0.5 | 0.5 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Career Team Holdings, LLC, Common Stock | — | N/A | — | — | — | — | 0.5 | 0.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC, Common Stock | — | N/A | — | — | — | — | 0.1 | 0.5 | +0.4 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Power System Solutions, Common Equity | — | N/A | — | — | — | — | 0.5 | 0.5 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Boccella Precast Products LLC, Member Units | — | N/A | — | — | — | — | 0.6 | 0.5 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC, Secured Debt 1 | — | Floating | 11.65% | — | +600bps | 0.5 | 0.5 | 0.5 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services | Preferred | PIK Toggle | 10.00% | 10.00% | — | — | 0.3 | 0.5 | +0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GradeEight Corp., Common Equity | — | N/A | — | — | — | — | 0.5 | 0.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC, Preferred Equity | — | Fixed | 8.00% | — | — | — | 0.4 | 0.5 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC | Other | Fixed | 10.00% | — | — | 0.9 | 0.9 | 0.5 | -0.4 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | 0.5 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Preferred Stock | — | N/A | — | — | — | — | — | 0.5 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC, Secured Debt 1 | — | Floating | 11.53% | — | +700bps | 0.5 | 0.5 | 0.4 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC, Preferred Equity | — | Fixed | 8.00% | — | — | — | 0.4 | 0.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | PTL US Bidco, Inc, Secured Debt 1 | — | Floating | 13.03% | — | +825bps | 0.4 | 0.4 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Coregistics Buyer LLC, Secured Debt 1 | — | Floating | 10.39% | — | +600bps | 0.4 | 0.4 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | DTE Enterprises, LLC, Class AA Preferred Member Units (non-voting) | — | Fixed | 10.00% | — | — | — | 1.3 | 0.4 | -0.9 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC | Preferred | PIK Toggle | 8.00% | 8.00% | — | — | 0.4 | 0.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Interface Security Systems, L.L.C, Secured Debt 2 | — | Floating | 12.46% | — | +700bps | 7.3 | 7.3 | 0.4 | -6.8 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC, Secured Debt 4 | — | Floating | 12.66% | — | +700bps | 0.5 | 0.4 | 0.4 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Secured Debt 1 | — | Fixed | 12.00% | — | — | 0.5 | 0.5 | 0.4 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Isagenix International, LLC | Other | Fixed | 2.50% | — | — | 3.0 | 2.8 | 0.4 | -2.4 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | MoneyThumb Acquisition, LLC, Preferred Member Units | — | Fixed | 12.00% | — | — | — | 0.4 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC, Secured Debt 4 | — | Floating | 11.93% | — | +700bps | 0.4 | 0.4 | 0.4 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | GradeEight Corp. | Equity | N/A | — | — | — | — | 0.6 | 0.4 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Paragon Healthcare, Inc., Secured Debt 2 | — | Floating | 11.24% | — | +575bps | 0.4 | 0.4 | 0.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | UPS Intermediate, LLC | Equity | N/A | — | — | — | — | 0.4 | 0.4 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Industrial Services Acquisition, LLC, Preferred Member Units 1 | — | Fixed | 10.00% | — | — | — | 0.3 | 0.4 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Secured Debt 1 | — | Fixed | 12.00% | — | — | 0.5 | 0.5 | 0.4 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | UPS Intermediate, LLC, Common Equity | — | N/A | — | — | — | — | 0.4 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services | Equity | N/A | — | — | — | — | 1.6 | 0.4 | -1.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Secured Debt 3 | — | Fixed | 9.00% | — | — | 0.4 | 0.4 | 0.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Secured Debt 3 | — | Fixed | 9.00% | — | — | 0.4 | 0.4 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Market Force Information, LLC, Secured Debt | — | N/A | — | — | — | — | — | 0.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Copper Trail Fund Investments | Equity | N/A | — | — | — | — | 0.5 | 0.4 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Common Stock 1 | — | N/A | — | — | — | — | 0.4 | 0.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | West Star Aviation Acquisition, LLC, Common Stock | — | N/A | — | — | — | — | 0.2 | 0.4 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CAI Software LLC, Preferred Equity 1 | — | N/A | — | — | — | — | 0.4 | 0.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Secured Debt 1 | — | Fixed | 13.00% | — | — | 0.4 | 0.4 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Secured Debt 2 | — | Fixed | 12.50% | — | — | 0.6 | 0.6 | 0.4 | -0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Secured Debt 1 | — | Floating | 10.74% | — | +625bps | 0.4 | 0.4 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 1 | — | Fixed | 11.25% | — | — | 0.4 | 0.4 | 0.4 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Common Stock 1 | — | N/A | — | — | — | — | 0.4 | 0.4 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Secured Debt 1 | — | Floating | 11.65% | — | +700bps | 0.4 | 0.3 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc., Secured Debt 2 | — | Floating | 12.39% | — | +800bps | 0.4 | 0.4 | 0.4 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC | Preferred | N/A | — | — | — | — | 0.4 | 0.3 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Preferred Equity | — | Fixed | 10.00% | — | — | — | 0.3 | 0.3 | +0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC | Equity | N/A | — | — | — | — | 0.4 | 0.3 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | GRT Rubber Technologies LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | 0.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Preferred Equity | — | N/A | — | — | — | — | 0.4 | 0.3 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Preferred Equity | — | N/A | — | — | — | — | 0.4 | 0.3 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Burning Glass Intermediate Holding Company, Inc., Secured Debt 1 | — | Floating | 10.46% | — | +500bps | 0.3 | 0.3 | 0.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Event Holdco, LLC, Secured Debt 1 | — | Floating | 12.59% | — | +800bps | 0.3 | 0.3 | 0.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Event Holdco, LLC, Secured Debt 1 | — | Floating | 12.61% | — | +700bps | 0.3 | 0.3 | 0.3 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 0.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Common Equity | — | N/A | — | — | — | — | 0.3 | 0.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Secured Debt 1 | — | Floating | 13.78% | — | +900bps | 0.3 | 0.3 | 0.3 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC, Secured Debt 1 | — | Fixed | 12.00% | — | — | 0.3 | 0.3 | 0.3 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC | Equity | N/A | — | — | — | — | 0.2 | 0.3 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | American Teleconferencing Services, Ltd., Secured Debt 2 | — | N/A | — | — | — | 11.7 | 11.5 | 0.3 | -11.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Member Units 2 | — | N/A | — | — | — | — | 0.1 | 0.3 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Oneliance, LLC, Preferred Stock | — | N/A | — | — | — | — | 0.3 | 0.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Common Equity | — | N/A | — | — | — | — | 0.3 | 0.3 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Preferred Member Units | — | N/A | — | — | — | — | — | 0.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Industrial Services Acquisition, LLC, Preferred Member Units 2 | — | Fixed | 20.00% | — | — | — | 0.2 | 0.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 3 | — | N/A | — | — | — | — | — | 0.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 0.0 | 0.3 | +0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC, Secured Debt 3 | — | Floating | 12.58% | — | +800bps | 0.3 | 0.3 | 0.3 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Oneliance, LLC, Preferred Stock | — | N/A | — | — | — | — | — | 0.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC, Secured Debt 1 | — | Floating | 11.64% | — | +600bps | 0.3 | 0.3 | 0.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC | Preferred | PIK Toggle | 25.00% | 25.00% | — | — | 0.2 | 0.3 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 3 | — | N/A | — | — | — | — | — | 0.3 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | DTE Enterprises, LLC, Class A Preferred Member Units | — | Fixed | 8.00% | — | — | — | 0.8 | 0.3 | -0.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc. | Other | PIK Toggle | 12.49% | 11.49% | +850bps | 0.2 | 0.1 | 0.3 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC, Secured Debt 1 | — | Floating | 11.50% | — | +600bps | 0.3 | 0.2 | 0.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 0.3 | 0.3 | 0.3 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 3 | — | Fixed | 10.00% | — | — | — | — | 0.3 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Secured Debt 2 | — | Floating | 13.78% | — | +900bps | 0.2 | 0.2 | 0.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 3 | — | Fixed | 10.00% | — | — | 0.2 | 0.2 | 0.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc. | Equity | N/A | — | — | — | — | 0.2 | 0.2 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc., Common Equity | — | N/A | — | — | — | — | 0.2 | 0.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation, Common Equity | — | N/A | — | — | — | — | 0.2 | 0.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Member Units 2 | — | N/A | — | — | — | — | 0.1 | 0.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HDC/HW Intermediate Holdings, Secured Debt 2 | — | Fixed | 2.50% | — | — | 0.9 | 0.4 | 0.2 | -0.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CaseWorthy, Inc. | Equity | N/A | — | — | — | — | 0.1 | 0.2 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Creative Foam Corporation | Equity | N/A | — | — | — | — | 0.3 | 0.2 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Hawk Ridge Systems, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 0.0 | 0.2 | +0.2 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Secured Debt 1 | — | Fixed | 8.50% | — | — | 0.2 | 0.2 | 0.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Secured Debt 2.1 | — | Fixed | 8.50% | — | — | — | — | 0.2 | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Common Stock | — | N/A | — | — | — | — | 0.3 | 0.2 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Secured Debt 1 | — | Fixed | 14.00% | — | — | 0.2 | 0.2 | 0.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Wash & Wax Systems LLC | Equity | N/A | — | — | — | — | 0.5 | 0.2 | -0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Garyline, LLC, Common Equity | — | N/A | — | — | — | — | 0.2 | 0.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc., Secured Debt 1 | — | Fixed | 18.00% | — | — | 0.2 | 0.2 | 0.2 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC | Equity | N/A | — | — | — | — | 0.3 | 0.2 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Secured Debt 1 | — | Floating | 16.59% | — | +900bps | 0.2 | 0.2 | 0.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MoneyThumb Acquisition, LLC | Warrant | N/A | — | — | — | — | 0.1 | 0.2 | +0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | SPAU Holdings, LLC | Equity | N/A | — | — | — | — | 0.2 | 0.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Berry Aviation, Inc., Preferred Member Units 1 | — | N/A | — | — | — | — | — | 0.2 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Common Stock 2 | — | N/A | — | — | — | — | 0.1 | 0.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Common Stock | — | N/A | — | — | — | — | 0.3 | 0.2 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | PTL US Bidco, Inc, Secured Debt 1 | — | Floating | 12.80% | — | +725bps | 0.2 | 0.2 | 0.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Freeport Financial Funds | First Lien | N/A | — | — | — | — | 0.7 | 0.2 | -0.5 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC | Equity | N/A | — | — | — | — | 0.3 | 0.2 | -0.2 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc., Common Equity | — | N/A | — | — | — | — | 0.2 | 0.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC, Common Equity | — | N/A | — | — | — | — | 0.3 | 0.2 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Common Stock | — | N/A | — | — | — | — | 1.6 | 0.2 | -1.4 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Iron-Main Investments, LLC, Preferred Equity | — | Fixed | 25.00% | — | — | — | 0.2 | 0.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SPAU Holdings, LLC, Common Stock | — | N/A | — | — | — | — | 0.2 | 0.2 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HDC/HW Intermediate Holdings, Secured Debt 1 | — | Floating | 14.34% | — | +950bps | 0.2 | 0.2 | 0.2 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC, Secured Debt 1 | — | Floating | 12.60% | — | +700bps | 0.2 | 0.2 | 0.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Secured Debt 1 | — | Floating | 13.17% | — | +850bps | 0.2 | 0.1 | 0.2 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | B-O-F Corporation | Equity | N/A | — | — | — | — | 0.2 | 0.2 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC, Secured Debt 3 | — | Floating | 12.66% | — | +700bps | 0.2 | 0.2 | 0.2 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Channel Partners Intermediateco, LLC, Secured Debt 3 | — | Floating | 11.93% | — | +700bps | 0.2 | 0.2 | 0.2 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ITA Holdings Group, LLC, Secured Debt 2 | — | Floating | 16.59% | — | +900bps | 0.2 | 0.2 | 0.2 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CaseWorthy, Inc., Common Equity | — | N/A | — | — | — | — | 0.1 | 0.2 | +0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SPAU Holdings, LLC, Common Stock | — | N/A | — | — | — | — | 0.2 | 0.2 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Member Units 2 | — | N/A | — | — | — | — | — | 0.2 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Garyline, LLC, Common Equity | — | N/A | — | — | — | — | 0.2 | 0.1 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc., Secured Debt 1 | — | Fixed | 18.00% | — | — | 0.2 | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MoneyThumb Acquisition, LLC, Warrants | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC | Equity | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC, Common Equity | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Secured Debt 1 | — | Fixed | 12.00% | — | — | 0.1 | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Garyline, LLC | Equity | N/A | — | — | — | — | 0.2 | 0.1 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Warrants | — | N/A | — | — | — | — | 1.1 | 0.1 | -1.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AVEX Aviation Holdings, LLC | Equity | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AVEX Aviation Holdings, LLC, Common Equity | — | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AVEX Aviation Holdings, LLC, Common Equity | — | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Jackmont Hospitality, Inc., Secured Debt 3 | — | Floating | 12.18% | — | +750bps | 0.1 | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Secured Debt 2 | — | Floating | 21.63% | — | +1600bps | 1.7 | 1.7 | 0.1 | -1.6 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC, Common Stock | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Binswanger Enterprises, LLC, Member Units | — | N/A | — | — | — | — | 1.1 | 0.1 | -0.9 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation, Common Equity | — | N/A | — | — | — | — | 0.2 | 0.1 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Secured Debt 3 | — | Floating | 21.63% | — | +1600bps | 1.6 | 1.6 | 0.1 | -1.5 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Archer Systems, LLC | Equity | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC | Preferred | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Archer Systems, LLC, Common Stock | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Common Stock 2 | — | N/A | — | — | — | — | 0.2 | 0.1 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC, Common Stock | — | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | American Teleconferencing Services, Ltd., Secured Debt 1 | — | N/A | — | — | — | 2.4 | 2.4 | 0.1 | -2.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Common Stock 2 | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Secured Debt 1 | — | Fixed | 8.00% | — | — | 0.1 | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation | Equity | N/A | — | — | — | — | 0.2 | 0.1 | -0.1 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AMEREQUIP LLC, Common Stock | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Archer Systems, LLC, Common Stock | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC | Equity | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC, Secured Debt 1 | — | Fixed | 10.00% | — | — | 0.1 | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Career Team Holdings, LLC, Secured Debt 1 | — | Floating | 10.56% | — | +600bps | 0.1 | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Career Team Holdings, LLC, Secured Debt 1 | — | Floating | 11.38% | — | +600bps | 0.1 | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Acumera, Inc., Warrants | — | N/A | — | — | — | — | — | 0.1 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC, Common Stock | — | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ZRG Partners, LLC, Secured Debt 1 | — | Floating | 12.50% | — | +500bps | 0.1 | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Boccella Precast Products LLC, Member Units | — | N/A | — | — | — | — | 0.6 | 0.1 | -0.5 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Boccella Precast Products LLC, Secured Debt | — | Fixed | 10.00% | — | — | 0.1 | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CaseWorthy, Inc., Common Equity | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 1.1 | 0.1 | -1.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC | Equity | N/A | — | — | — | — | 0.4 | 0.1 | -0.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC, Preferred Stock 1 | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | South Coast Terminals Holdings, LLC | Equity | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Boccella Precast Products LLC, Secured Debt | — | Fixed | 10.00% | — | — | 0.1 | 0.1 | 0.1 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | South Coast Terminals Holdings, LLC, Common Equity | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Dalton US Inc., Common Stock | — | N/A | — | — | — | — | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Preferred Equity 1 | — | N/A | — | — | — | — | 0.1 | 0.1 | -0.1 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Preferred Equity 1 | — | N/A | — | — | — | — | 0.1 | 0.1 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | American Teleconferencing Services, Ltd., Secured Debt 1 | — | N/A | — | — | — | 2.4 | 2.4 | 0.1 | -2.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | South Coast Terminals Holdings, LLC, Common Equity | — | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Secured Debt 1 | — | Fixed | 7.50% | — | — | 0.1 | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Secured Debt 1 | — | Floating | 15.38% | — | +1000bps | 0.1 | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC, Secured Debt 2 | — | Floating | 11.50% | — | +600bps | 0.1 | 0.0 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Dalton US Inc. | Equity | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC, Secured Debt 1 | — | Floating | 12.16% | — | +650bps | 0.1 | 0.1 | 0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ATS Operating, LLC, Secured Debt 1 | — | Floating | 10.85% | — | +600bps | 0.1 | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 1 | — | Fixed | 10.00% | — | — | 0.1 | 0.1 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Dalton US Inc., Common Stock | — | N/A | — | — | — | — | 0.1 | 0.1 | -0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Watterson Brands, LLC, Secured Debt 2 | — | Fixed | 12.00% | — | — | 0.1 | 0.0 | 0.1 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Secured Debt 1 | — | Fixed | 7.50% | — | — | 0.1 | 0.0 | 0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC, Preferred Stock 1 | — | N/A | — | — | — | — | 0.0 | 0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | The Affiliati Network, LLC, Secured Debt 1 | — | Fixed | 13.00% | — | — | 0.0 | 0.0 | 0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Unsecured Debt 1 | — | Fixed | 8.00% | — | — | — | 0.0 | 0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | South Coast Terminals Holdings, LLC, Secured Debt 1 | — | Floating | 11.46% | — | +600bps | 0.0 | 0.0 | 0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Unsecured Debt 3 | — | Fixed | 8.00% | — | — | — | 0.0 | 0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | AMEREQUIP LLC., Common Stock | — | N/A | — | — | — | — | 0.1 | 0.0 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 0.0 | 0.0 | 0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 2 | — | Fixed | 10.00% | — | — | 0.0 | 0.0 | 0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Preferred Member Units | — | N/A | — | — | — | — | 0.3 | 0.0 | -0.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC, Common Eqiuty | — | N/A | — | — | — | — | 0.1 | 0.0 | -0.1 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | 0.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Inspire Aesthetics Management, LLC, Common Equity | — | N/A | — | — | — | — | 0.3 | 0.0 | -0.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clarius BIGS, LLC, Secured Debt | — | N/A | — | — | — | 2.7 | 2.3 | 0.0 | -2.3 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clarius BIGS, LLC, Secured Debt | — | N/A | — | — | — | 2.7 | 2.4 | 0.0 | -2.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MonitorUS Holding, LLC, Unsecured Debt 2 | — | Fixed | 8.00% | — | — | — | 0.0 | 0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Interface Security Systems, L.L.C, Secured Debt 2 | — | Floating | 11.67% | — | +700bps | 7.3 | 7.3 | 0.0 | -7.2 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC, Preferred Member Units | — | N/A | — | — | — | — | 0.3 | 0.0 | -0.3 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clarius BIGS, LLC | Other | N/A | — | — | — | 2.6 | 2.3 | 0.0 | -2.3 | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC | Equity | N/A | — | — | — | — | 1.1 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC | Warrant | N/A | — | — | — | — | 0.1 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Datacom, LLC | Preferred | N/A | — | — | — | — | 0.3 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | RA Outdoors LLC | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc. | Preferred | N/A | — | — | — | — | 1.2 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC | Preferred | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC | Preferred | N/A | — | — | — | — | 0.2 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc. | Equity | N/A | — | — | — | — | 3.1 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AMEREQUIP LLC | Equity | N/A | — | — | — | — | 0.1 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC | Equity | N/A | — | — | — | — | 0.1 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Berry Aviation, Inc. | Preferred | N/A | — | — | — | — | 0.3 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc. | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc. | Warrant | N/A | — | — | — | — | 1.1 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Buca C, LLC | Other | PIK Toggle | 15.00% | 15.00% | — | 4.5 | 4.2 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Buca C, LLC | Preferred | PIK Toggle | 6.00% | 6.00% | — | — | 3.0 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | DTE Enterprises, LLC | Preferred | PIK Toggle | 10.00% | 10.00% | — | — | 1.3 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | HDC/HW Intermediate Holdings | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Interface Security Systems, L.L.C | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Isagenix International, LLC | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | JTI Electrical & Mechanical, LLC | Equity | N/A | — | — | — | — | 0.1 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Peaches Holding Corporation | Equity | N/A | — | — | — | — | 1.8 | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | OtherAmounts related toinvestments transferred toor from other1940 Act classificationduring the period | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Barfly Ventures, LLC | Other | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC | Other | Floating | — | — | +950bps | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC | Preferred | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC | Other | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC | Equity | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC | Other | N/A | — | — | — | — | — | — | — | — | 2025-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc., Common Stock | — | N/A | — | — | — | — | 3.1 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc., Common Stock | — | N/A | — | — | — | — | 3.1 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc., Warrants | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AAC Holdings, Inc., Warrants | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | AB Centers Acquisition Corporation, Secured Debt 1 | — | Floating | — | — | +500bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AFG Capital Group, LLC, Preferred Member Units | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AMEREQUIP LLC, Secured Debt 1 | — | Floating | — | — | +740bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | American Nuts, LLC, Secured Debt 2 | — | Floating | 15.29% | — | +975bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | American Nuts, LLC, Secured Debt 4 | — | Floating | 17.29% | — | +1175bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1 | — | Fixed | 14.13% | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 1.1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 2 | — | Fixed | 14.13% | — | — | — | 0.8 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 0.8 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Warrants | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Warrants | — | N/A | — | — | — | — | 0.1 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Warrants | — | N/A | — | — | — | — | 0.1 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Common Equity | — | N/A | — | — | — | — | 0.1 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Common Equity | — | N/A | — | — | — | — | 0.1 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Preferred Equity 2 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ArborWorks, LLC, Preferred Equity 2 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | ATX Networks Corp., Common Stock | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ATX Networks Corp., Secured Debt | — | Floating | — | — | +750bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | ATX Networks Corp., Unsecured Debt | — | Fixed | 10.00% | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 1 | — | Fixed | 10.00% | — | — | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | BDB Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Berry Aviation, Inc., Preferred Member Units 1 | — | N/A | — | — | — | — | 0.3 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Berry Aviation, Inc., Preferred Member Units 2 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Berry Aviation, Inc., Preferred Member Units 3 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Common Stock | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bluestem Brands, Inc., Warrants | — | N/A | — | — | — | — | 1.1 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Buca C, LLC, Preferred Member Units | — | Fixed | 6.00% | — | — | — | 3.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Buca C, LLC, Preferred Member Units | — | Fixed | 6.00% | — | — | — | 3.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Buca C, LLC, Secured Debt 1 | — | Fixed | 15.00% | — | — | 4.3 | 3.7 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Buca C, LLC, Secured Debt 2 | — | Fixed | 15.00% | — | — | 0.0 | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Buca C, LLC, Secured Debt 3 | — | Fixed | 15.00% | — | — | 6.4 | 4.1 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Burning Glass Intermediate Holding Company, Inc., Secured Debt 1 | — | Floating | — | — | +500bps | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CAI Software LLC, Preferred Equity 2 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CAI Software LLC, Preferred Equity 2 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CenterPeak Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +900bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +900bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 2.1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 3 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 3 | — | Floating | — | — | +1000bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Centre Technologies Holdings, LLC, Secured Debt 4 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Secured Debt 1 | — | Floating | — | — | +600bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Chamberlin Holding LLC, Secured Debt 1 | — | Floating | — | — | +600bps | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 1.1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 1.1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 1.2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 1.2 | — | Fixed | 11.50% | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Clad-Rex Steel, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 1 | — | Fixed | 12.50% | — | — | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 3 | — | Floating | — | — | +1050bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Cody Pools, Inc., Secured Debt 4 | — | Floating | — | — | +1050bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Colonial Electric Company LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Secured Debt 1 | — | Fixed | 13.50% | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Direct Marketing Solutions, Inc., Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Preferred Equity 2 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | DMA Industries, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | DTE Enterprises, LLC, Class A Preferred Member Units | — | Fixed | 8.00% | — | — | — | 0.8 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Preferred Equity 2 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Dynamic Communities, LLC, Preferred Equity 2 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Secured Debt 1 | — | Floating | — | — | +600bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Elgin AcquireCo, LLC, Secured Debt 1 | — | Floating | — | — | +600bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Engineering Research & Consulting, LLC, Secured Debt 1 | — | Floating | — | — | +550bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +650bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Flame King Holdings, LLC, Secured Debt 2 | — | Floating | — | — | +900bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +750bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +700bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 2.1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gamber-Johnson Holdings, LLC, Secured Debt 3 | — | Floating | — | — | +700bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Member Units | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Member Units | — | N/A | — | — | — | — | 0.9 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Member Units | — | N/A | — | — | — | — | 0.9 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Preferred Equity | — | N/A | — | — | — | — | 1.4 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +950bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Gulf Publishing Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +950bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HDC/HW Intermediate Holdings, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | IG Parent Corporation, Secured Debt 1 | — | Floating | — | — | +575bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | IG Parent Corporation, Secured Debt 1 | — | Floating | — | — | +575bps | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Independent Pet Partners Intermediate Holdings, LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Integral Energy Services, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Interface Security Systems, L.L.C, Common Stock | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Interface Security Systems, L.L.C, Common Stock | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Isagenix International, LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Isagenix International, LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Common Stock 1 | — | N/A | — | — | — | — | 3.7 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Common Stock | — | N/A | — | — | — | — | 3.7 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Secured Debt 1 | — | Floating | 21.59% | — | +1600bps | 0.9 | 0.9 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Joerns Healthcare, LLC, Secured Debt 2 | — | Floating | 21.59% | — | +1600bps | 0.9 | 0.9 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Johnson Downie Opco, LLC, Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | LL Management, Inc., Secured Debt 3 | — | Floating | 12.71% | — | +725bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mako Steel, LP, Secured Debt 1 | — | Floating | — | — | +675bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mako Steel, LP, Secured Debt 1 | — | Floating | — | — | +750bps | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Market Force Information, LLC, Member Units | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Market Force Information, LLC, Member Units | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Market Force Information, LLC, Secured Debt | — | Floating | — | — | +1100bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Metalforming Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 1.5 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | MH Corbin Holding LLC, Secured Debt | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mills Fleet Farm Group, LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mills Fleet Farm Group, LLC, Secured Debt | — | Floating | — | — | +700bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Mystic Logistics Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Nello Industries Investco, LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Nello Industries Investco, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Nello Industries Investco, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Secured Debt 1 | — | Fixed | 10.00% | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NexRev LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Oneliance, LLC, Secured Debt | — | Floating | — | — | +1000bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +1100bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +1100bps | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments.1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments.1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Paragon Healthcare, Inc., Secured Debt 1 | — | Floating | — | — | +575bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Pinnacle TopCo, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | RA Outdoors LLC, Common Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | RA Outdoors LLC, Common Equity | — | Floating | — | — | +675bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Preferred Equity | — | N/A | — | — | — | — | 1.2 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Preferred Equity | — | N/A | — | — | — | — | 1.2 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Roof Opco, LLC, Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Roof Opco, LLC, Secured Debt 1 | — | Floating | — | — | +800bps | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 2.1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | SI East, LLC, Secured Debt 3 | — | Fixed | 9.50% | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | South Coast Terminals Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +525bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | SPAU Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +800bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | SPAU Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +750bps | — | -0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Student Resource Center, LLC, Secured Debt 2.1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.2 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 1 | — | N/A | — | — | — | — | 0.2 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 0.1 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | 0.1 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 3 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 3 | — | N/A | — | — | — | — | 2.3 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Tedder Industries, LLC, Preferred Member Units 3 | — | N/A | — | — | — | — | 2.3 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Secured Debt 1 | — | Fixed | 8.00% | — | — | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | U.S. TelePacific Corp., Secured Debt 2 | — | N/A | — | — | — | 0.7 | 0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | U.S. TelePacific Corp., Secured Debt 2 | — | N/A | — | — | — | 0.7 | 0.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Urgent DSO LLC, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Urgent DSO LLC, Secured Debt | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Victory Energy Operations, LLC, Preferred Equity | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Victory Energy Operations, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Victory Energy Operations, LLC, Secured Debt 2 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Common Stock | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Common Stock | — | N/A | — | — | — | — | 1.1 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Common Stock | — | N/A | — | — | — | — | 1.1 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 1.1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 1.1 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 1.1 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 2.1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 2 | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 3 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 3 | — | N/A | — | — | — | — | 6.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Preferred Member Units 3 | — | N/A | — | — | — | — | 6.0 | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Secured Debt 2 | — | Fixed | 11.50% | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Unsecured Convertible Debt | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Unsecured Convertible Debt | — | Fixed | 8.00% | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Warrants | — | N/A | — | — | — | — | — | — | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Volusion, LLC, Warrants | — | N/A | — | — | — | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Secured Debt 1 | — | Floating | — | — | +600bps | — | — | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Secured Debt 1 | — | Floating | — | — | +600bps | — | — | — | — | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Xenon Arc, Inc., Secured Debt 1 | — | Floating | — | — | +525bps | — | -0.0 | — | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Batjer TopCo, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | -0.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Trantech Radiator Topco, LLC, Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Analytical Systems Keco Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | -0.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Orttech Holdings, LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | -0.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | CaseWorthy, Inc., Secured Debt 1 | — | Floating | — | — | +600bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NinjaTrader, LLC, Secured Debt 1 | — | Floating | — | — | +700bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | NinjaTrader, LLC, Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Wall Street Prep, Inc., Secured Debt 1 | — | Floating | — | — | +700bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | AVEX Aviation Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +725bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Island Pump and Tank, LLC, Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Microbe Formulas, LLC, Secured Debt 1 | — | Floating | — | — | +575bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | TEC Services, LLC, Secured Debt 2 | — | Floating | — | — | +575bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Victory Energy Operations, LLC, Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | VVS Holdco LLC, Secured Debt 1 | — | N/A | — | — | — | — | — | -0.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Wall Street Prep, Inc., Secured Debt 1 | — | Floating | — | — | +700bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | American Health Staffing Group, Inc., Secured Debt 1 | — | Floating | — | — | +500bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Microbe Formulas, LLC, Secured Debt 1 | — | Floating | — | — | +625bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Secured Debt 1 | — | Fixed | 12.50% | — | — | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc., Secured Debt 1 | — | Floating | — | — | +800bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | TEC Services, LLC, Secured Debt 1 | — | Floating | — | — | +575bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Acumera, Inc., Secured Debt 1 | — | Floating | — | — | +750bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Robbins Bros. Jewelry, Inc., Secured Debt 1 | — | N/A | — | — | — | — | — | -0.0 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Escalent, Inc., Secured Debt 1 | — | Floating | — | — | +800bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | American Health Staffing Group, Inc., Secured Debt 1 | — | Floating | — | — | +500bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | BP Loenbro Holdings Inc., Secured Debt 2 | — | Floating | — | — | +625bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HEADLANDS OP-CO LLC, Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Secured Debt 2 | — | Floating | — | — | +625bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | AVEX Aviation Holdings, LLC, Secured Debt 1 | — | Floating | — | — | +725bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Nello Industries Investco, LLC, Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | NinjaTrader, LLC, Secured Debt 2 | — | Floating | — | — | +700bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Bettercloud, Inc., Secured Debt 1 | — | Floating | — | — | +1025bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | HEADLANDS OP-CO LLC, Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Obra Capital, Inc., Secured Debt 1 | — | Floating | — | — | +750bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bond Brand Loyalty ULC, Secured Debt 1 | — | Floating | — | — | +700bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Compass Systems & Sales, LLC, Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Bettercloud, Inc., Secured Debt 1 | — | Floating | — | — | +725bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Purge Rite, LLC, Secured Debt 1 | — | Floating | — | — | +800bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | GradeEight Corp., Secured Debt 2 | — | Floating | — | — | +725bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | IG Investor, LLC, Secured Debt 1 | — | N/A | — | — | — | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation, Secured Debt 2 | — | Floating | — | — | +625bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Power System Solutions, Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Creative Foam Corporation, Secured Debt 1 | — | Floating | — | — | +575bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Mini Melts of America, LLC, Secured Debt 1 | — | Floating | — | — | +625bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CQ Fluency, LLC, Secured Debt 1 | — | Floating | — | — | +675bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CQ Fluency, LLC, Secured Debt 2 | — | Floating | — | — | +675bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation, Secured Debt 1 | — | Floating | — | — | +625bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation, Secured Debt 2 | — | Floating | — | — | +625bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Power System Solutions, Secured Debt 1 | — | Floating | — | — | +675bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Power System Solutions, Secured Debt 2 | — | Floating | — | — | +675bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Insight Borrower Corporation, Secured Debt 1 | — | Floating | — | — | +625bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Titan Meter Midco Corp., Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Computer Data Source, LLC, Secured Debt 2 | — | Floating | — | — | +825bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | CQ Fluency, LLC, Secured Debt 1 | — | Floating | — | — | +700bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | CQ Fluency, LLC, Secured Debt 2 | — | Floating | — | — | +700bps | — | -0.0 | -0.0 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Ansira Partners II, LLC, Secured Debt 1 | — | Floating | — | — | +675bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | GradeEight Corp., Secured Debt 1 | — | Floating | — | — | +725bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | JDC Power Services, LLC, Secured Debt 1 | — | Floating | — | — | +650bps | — | -0.0 | -0.0 | +0.0 | — | 2024-12-31 |
| MSC INCOME FUND, INC. | Garyline, LLC, Secured Debt 1 | — | Floating | — | — | +675bps | — | -0.1 | -0.1 | +0.0 | — | 2023-12-31 |
| MSC INCOME FUND, INC. | Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Control Investments | — | N/A | — | — | — | — | — | -6.4 | — | — | 2022-12-31 |
| MSC INCOME FUND, INC. | Other Amounts related to investments transferred to or from other 1940 Act classification during the period, Affiliate Investments | — | N/A | — | — | — | — | — | -37.0 | — | — | 2023-12-31 |
| MSC INCOME FUND, INC. | FCC Intermediate Holdco, LLC , Warrants | — | N/A | — | — | — | — | — | — | — | — | 2024-12-31 |
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