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CONSOLIDATED SCHEDULE OF INVESTMENTS (Parenthetical) $ in Thousands | Dec. 31, 2024 USD ($) firm | Dec. 31, 2023 USD ($) firm
--- | --- | ---
Summary of Investment Holdings |  |
Investment, basis spread, variable rate | 7.50% |
Aggregate Gross Unrealized Appreciation | $ 108,400 | $ 118,300
Aggregate Gross Unrealized Depreciation | 156,500 | 115,900
Net Unrealized Appreciation (Depreciation) over cost for U.S. federal income tax purposes | 48,100 | (2,400)
Aggregate cost of securities for U.S. federal income tax purposes (in billions) | 3,700,000 | 3,200,000
Investment cost | 3,708,877 | 3,247,033
Investments, at fair value: | 3,659,978 | 3,248,046
Black Crow AI, Inc. | Promissory Notes |  |
Summary of Investment Holdings |  |
Principal amount | 2,400 | 2,400
Suzy, Inc. | Royalty Contract |  |
Summary of Investment Holdings |  |
Investment cost | 11,900 | 12,000
Investments, at fair value: | $ 11,600 | $ 9,400
Quoted Prices in Active Markets for Identical Assets (Level 1) | Warrants |  |
Summary of Investment Holdings |  |
Number of publicly traded companies | firm | 23 | 24
Quoted Prices in Active Markets for Identical Assets (Level 1) | Common Stock |  |
Summary of Investment Holdings |  |
Number of publicly traded companies | firm | 28 | 36
PRIME |  |
Summary of Investment Holdings |  |
Investment, basis spread, variable rate |  | 8.50%
1-month LIBOR |  |
Summary of Investment Holdings |  |
Interest rate |  | 5.34%
3-month LIBOR |  |
Summary of Investment Holdings |  |
Interest rate |  | 5.36%
6-month LIBOR |  |
Summary of Investment Holdings |  |
Interest rate |  | 5.35%
1-month SOFR |  |
Summary of Investment Holdings |  |
Interest rate | 4.33% |
3-month SOFR |  |
Summary of Investment Holdings |  |
Interest rate | 4.31% |
6-month SOFR |  |
Summary of Investment Holdings |  |
Interest rate | 4.25% |

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