v3.25.4

Taxes and Distributions (Tables) | 12 Months Ended
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Sep. 30, 2025
Income Tax Disclosure [Abstract] |
Summary of Amounts Reclassified for Tax Purposes | The following amounts were reclassified for tax purposes ($ in thousands):
|  | Years Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Increase (Decrease) in paid-in capital |  | $ | (3,462 | ) |  | $ | (2,800 | ) |  | $ | (1,703 | )
Increase (Decrease) in accumulated net realized gain |  |  | 68 |  |  |  | (11,993 | ) |  |  | (1,494 | )
Increase in undistributed net investment income |  |  | 3,394 |  |  |  | 14,793 |  |  |  | 3,197 |
Summary of Reconciles Net (Decrease) Increase in Net Assets Resulting From Operations to Taxable Income | The following reconciles net (decrease) increase in net assets resulting from operations to taxable income ($ in thousands):
|  | Years Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Net increase (decrease) in net assets resulting from operations |  | $ | 32,725 |  |  | $ | 48,852 |  |  | $ | (33,807 | )
Net realized (gain) loss on investments |  |  | 52,434 |  |  |  | 33,646 |  |  |  | 156,757 |
Net change in unrealized (appreciation) depreciation on investments and debt |  |  | (39,108 | ) |  |  | (22,428 | ) |  |  | (57,417 | )
Other book-to-tax differences |  |  | (1,551 | ) |  |  | 9,268 |  |  |  | (6,006 | )
Other non-deductible expenses |  |  | 3,372 |  |  |  | 3,245 |  |  |  | 5,766 |
Taxable income before dividends paid deduction |  | $ | 47,872 |  |  | $ | 72,583 |  |  | $ | 65,293 |
Summary of undistributed taxable income on a tax basis and reconciliation to accumulated deficit on a book basis | The components of undistributed taxable income on a tax basis and reconciliation to accumulated deficit on a book basis are as follows:
|  | Years Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Undistributed net investment income – tax basis |  | $ | 45,948 |  |  | $ | 65,962 |  |  | $ | 62,710 |
Short-term realized loss carried forward |  |  | (6,164 | ) |  |  | (3,397 | ) |  |  | (1,699 | )
Long-term realized loss carried forward |  |  | (336,619 | ) |  |  | (287,545 | ) |  |  | (379,074 | )
Distributions payable and other book to tax differences |  |  | (31,184 | ) |  |  | (37,435 | ) |  |  | 83,860 |
Net unrealized appreciation (depreciation) on investments and debt |  |  | 51,398 |  |  |  | 12,290 |  |  |  | (10,141 | )
Total accumulated deficit – book basis |  | $ | (276,621 | ) |  | $ | (250,125 | ) |  | $ | (244,344 | )
Summary of Tax Characteristics of Distributions Declared | The tax characteristics of distributions declared are as follows:
|  | Years Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2023 |
Ordinary income (including short-term gains, if any) |  | $ | 62,684 |  |  | $ | 57,420 |  |  | $ | 49,571 |
Long-term capital gain |  |  | — |  |  |  | — |  |  |  | — |
Total distributions |  | $ | 62,684 |  |  | $ | 57,420 |  |  | $ | 49,571 |
Total distributions declared per share |  | $ | 0.96 |  |  | $ | 0.88 |  |  | $ | 0.76 |

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- Definition Tabular disclosure of the federal tax basis of investment holdings. This item captures the aggregate cost of securities, aggregate gross unrealized appreciation for all securities in which there is an excess of value over tax cost, aggregate gross unrealized depreciation for all securities in which there is an excess of tax cost over value, net unrealized appreciation (depreciation), and an explanation of the differences between tax and book. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(h)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 + Details
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