Quarterly report [Sections 13 or 15(d)]

CONSOLIDATED SCHEDULE OF INVESTMENTS

v3.26.1
CONSOLIDATED SCHEDULE OF INVESTMENTS - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Schedule of Investments [Line Items]    
Cost $ 1,044,448 $ 1,052,848 [1]
Fair Value 1,282,020 1,309,248 [1]
Cash equivalents 25 25
Cash equivalents 25 25
Total investments and cash equivalents, cost 1,044,473 1,052,873
Total investments and cash equivalents, fair value 1,282,045 1,309,273
Aerospace and Defense    
Schedule of Investments [Line Items]    
Fair Value 169,054 174,542
Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Fair Value 194,037 189,148
Home and Office Furnishings, Housewares, and Durable Consumer Products    
Schedule of Investments [Line Items]    
Fair Value 173,346 166,553
Oil and Gas    
Schedule of Investments [Line Items]    
Fair Value 123,550 125,605
Telecommunications    
Schedule of Investments [Line Items]    
Fair Value 7,459 7,942
Chemicals, Plastics, and Rubber    
Schedule of Investments [Line Items]    
Fair Value 52,499 49,715
Electronics    
Schedule of Investments [Line Items]    
Fair Value 62,968 62,723
Leisure, Amusement, Motion Pictures, and Entertainment    
Schedule of Investments [Line Items]    
Fair Value 110,550 105,339
Secured First Lien Debt    
Schedule of Investments [Line Items]    
Cost 584,008 593,008
Fair Value 564,631 570,602
Secured Second Lien Debt    
Schedule of Investments [Line Items]    
Cost 153,440 152,840
Fair Value 102,789 99,197
Preferred Equity    
Schedule of Investments [Line Items]    
Cost 257,403 257,403
Fair Value 429,510 426,949
Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 49,597 49,597
Fair Value 185,090 212,500
Non-Control/Non-Affiliate Investments    
Schedule of Investments [Line Items]    
Cost 702,741 [2] 711,741 [3]
Fair Value 944,164 [2] 983,959 [3]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt    
Schedule of Investments [Line Items]    
Cost 368,906 [2] 377,906 [3]
Fair Value 368,906 [2] 374,285 [3]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Aerospace and Defense    
Schedule of Investments [Line Items]    
Cost 107,805 [2] 107,805 [3]
Fair Value 107,805 [2] 107,805 [3]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 6,150 [2] 6,150 [3]
Fair Value 6,150 [2] 6,150 [3]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Cost 34,770 [2] 34,770 [3]
Fair Value 34,770 [2] 34,770 [3]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Home and Office Furnishings, Housewares, and Durable Consumer Products    
Schedule of Investments [Line Items]    
Cost 36,750 [2] 36,750 [3]
Fair Value 36,750 [2] 36,750 [3]
Non-Control/Non-Affiliate Investments | Secured First Lien Debt | Oil and Gas    
Schedule of Investments [Line Items]    
Cost 59,540 [2] 59,540 [3]
Fair Value 59,540 [2] 59,540 [3]
Non-Control/Non-Affiliate Investments | Secured Second Lien Debt    
Schedule of Investments [Line Items]    
Cost 151,040 [2] 151,040 [3]
Fair Value 100,389 [2] 97,397 [3]
Non-Control/Non-Affiliate Investments | Secured Second Lien Debt | Aerospace and Defense    
Schedule of Investments [Line Items]    
Cost 25,696 [2] 25,696 [3]
Fair Value 25,696 [2] 25,696 [3]
Non-Control/Non-Affiliate Investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 138,198 [2] 138,198 [3]
Fair Value 294,724 [2] 304,782 [3]
Non-Control/Non-Affiliate Investments | Preferred Equity | Aerospace and Defense    
Schedule of Investments [Line Items]    
Cost 38,488 [2] 38,488 [3]
Fair Value 22,905 [2] 37,594 [3]
Non-Control/Non-Affiliate Investments | Preferred Equity | Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Cost 14,265 [2] 14,265 [3]
Fair Value 24,318 [2] 22,953 [3]
Non-Control/Non-Affiliate Investments | Preferred Equity | Home and Office Furnishings, Housewares, and Durable Consumer Products    
Schedule of Investments [Line Items]    
Cost 16,236 [2] 16,236 [3]
Fair Value 66,019 [2] 62,073 [3]
Non-Control/Non-Affiliate Investments | Preferred Equity | Oil and Gas    
Schedule of Investments [Line Items]    
Cost 18,531 [2] 18,531 [3]
Fair Value 64,010 [2] 66,065 [3]
Non-Control/Non-Affiliate Investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 44,597 [2] 44,597 [3]
Fair Value 180,145 [2] 207,495 [3]
Affiliate Investments    
Schedule of Investments [Line Items]    
Cost 324,298 [4] 323,698 [5]
Fair Value 337,352 [4] 324,676 [5]
Affiliate Investments | Secured First Lien Debt    
Schedule of Investments [Line Items]    
Cost 205,892 [4] 205,892 [5]
Fair Value 195,221 [4] 195,704 [5]
Affiliate Investments | Secured First Lien Debt | Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Cost 70,560 [4] 70,560 [5]
Fair Value 70,560 [4] 70,560 [5]
Affiliate Investments | Secured First Lien Debt | Telecommunications    
Schedule of Investments [Line Items]    
Cost 18,130 [4] 18,130 [5]
Fair Value 7,459 [4] 7,942 [5]
Affiliate Investments | Secured Second Lien Debt    
Schedule of Investments [Line Items]    
Cost 2,400 [4] 1,800 [5]
Fair Value 2,400 [4] 1,800 [5]
Affiliate Investments | Secured Second Lien Debt | Chemicals, Plastics, and Rubber    
Schedule of Investments [Line Items]    
Cost [4] 2,400  
Fair Value 2,400 [4] 1,800
Affiliate Investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 111,006 [4] 111,006 [5]
Fair Value 134,786 [4] 122,167 [5]
Affiliate Investments | Preferred Equity | Diversified/Conglomerate Services    
Schedule of Investments [Line Items]    
Cost 24,309 [4] 24,309 [5]
Fair Value 48,619 [4] 44,320 [5]
Affiliate Investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 5,000 [4] 5,000 [5]
Fair Value 4,945 [4] 5,005 [5]
Control Investments    
Schedule of Investments [Line Items]    
Cost 17,409 [6] 17,409 [7]
Fair Value 504 [6] 613 [7]
Control Investments | Secured First Lien Debt    
Schedule of Investments [Line Items]    
Cost 9,210 [6] 9,210 [7]
Fair Value 504 [6] 613 [7]
Control Investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 8,199 [6] 8,199 [7]
Fair Value $ 0 [6] 0 [7]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. - Common Stock Warrants    
Schedule of Investments [Line Items]    
Units [8],[9] 3.50%  
Fair Value $ 0 $ 0
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Common Stock Warrants    
Schedule of Investments [Line Items]    
Units 3.50% [10],[11],[12],[13],[14] 3.50% [15],[16],[17],[18]
Cost $ 0 [10],[13],[14] $ 0 [16],[18]
Fair Value 0 [10],[13],[14] 0 [16],[18]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit 1    
Schedule of Investments [Line Items]    
Principal amount 3,080 [8],[9],[10],[11],[13],[19] 3,080 [15],[17],[18],[20],[21]
Cost 3,080 [10],[13],[19] 3,080 [18],[20],[21]
Fair Value 3,080 [10],[13],[19] 3,080 [18],[20],[21]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit 2    
Schedule of Investments [Line Items]    
Principal amount 1,050 [8],[9],[10],[11],[13],[19] 1,050 [15],[17],[18],[20],[21]
Cost 1,050 [10],[13],[19] 1,050 [18],[20],[21]
Fair Value $ 1,050 [10],[13],[19] $ 1,050 [18],[20],[21]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 14,304 [8],[9] 14,304 [15],[16],[17],[18]
Cost [16],[18]   $ 4,722
Fair Value $ 0 0 [16],[18]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8],[10],[11],[12],[13],[19] 14,000  
Cost [10],[13],[19] 14,000  
Fair Value $ 3,329 [10],[13],[19] 3,812
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18],[20],[21]   14,000
Cost [18],[20],[21]   14,000
Fair Value [18],[20],[21]   $ 3,812
Investment, Identifier [Axis]: B+T Group Acquisition, Inc.– Preferred Stock    
Schedule of Investments [Line Items]    
Shares [10],[11],[12],[13],[14] 14,304  
Cost [10],[13],[14] $ 4,722  
Fair Value [10],[13],[14] $ 0  
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,653 [11],[12],[13],[14] 6,653 [15],[16],[17],[18]
Cost $ 6,653 [13],[14] $ 6,653 [16],[18]
Fair Value 52,374 [13],[14] 49,815 [16],[18]
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 17,700 [11],[12],[13] 17,700 [15],[17],[18]
Cost 17,700 [13] 17,700 [18]
Fair Value 17,700 [13] 17,700 [18]
Investment, Identifier [Axis]: Brunswick Bowling Products, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 6,850 [11],[12],[13] 6,850 [15],[17],[18]
Cost 6,850 [13] 6,850 [18]
Fair Value $ 6,850 [13] $ 6,850 [18]
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc - Preferred Stock    
Schedule of Investments [Line Items]    
Shares [11],[12],[13],[14] 21,000  
Cost [13],[14] $ 21,000  
Fair Value [13],[14] 26,580  
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [11],[12],[13] 38,250  
Cost [13] 38,250  
Fair Value [13] $ 38,250  
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [15],[16],[17],[18]   21,000
Cost [16],[18]   $ 21,000
Fair Value [16],[18]   30,737
Investment, Identifier [Axis]: Dema/Mai Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   38,250
Cost [18]   38,250
Fair Value [18]   $ 38,250
Investment, Identifier [Axis]: Detroit Defense, Inc. - Preferred Stock    
Schedule of Investments [Line Items]    
Shares [10],[11],[12],[13],[14] 17,388  
Cost [10],[13],[14] $ 17,388  
Fair Value [10],[13],[14] 1,771  
Investment, Identifier [Axis]: Detroit Defense, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [15],[16],[17],[18],[22]   17,388
Cost [16],[18],[22]   $ 17,388
Fair Value [16],[18],[22]   12,572
Investment, Identifier [Axis]: Detroit Defense, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 61,305 [10],[11],[12],[13] 61,305 [15],[17],[18],[21],[22]
Cost 61,305 [10],[13] 61,305 [18],[21],[22]
Fair Value $ 61,305 [10],[13] $ 61,305 [18],[21],[22]
Investment, Identifier [Axis]: Diligent Delivery Systems – Common Stock Warrants    
Schedule of Investments [Line Items]    
Units 8.00% [11],[12],[13],[14] 8.00% [15],[16],[17],[18]
Cost $ 500 [13],[14] $ 500 [16],[18]
Fair Value 0 [13],[14] 0 [16],[18]
Investment, Identifier [Axis]: Diligent Delivery Systems – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 13,000 [11],[12],[13],[19] 13,000 [15],[17],[18],[20]
Cost 13,000 [13],[19] 13,000 [18],[20]
Fair Value 4,279 [13],[19] 512 [18],[20]
Investment, Identifier [Axis]: Dreyfus Treasury Obligations Cash Management Fund    
Schedule of Investments [Line Items]    
Cash equivalents, principal 25 [11],[12],[23] 25 [15],[17],[24]
Cash equivalents 25 [23] 25 [24]
Cash equivalents 25 [23] 25 [24]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc - Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8],[10],[11],[12],[13],[19] 9,210  
Cost [10],[13],[19] 9,210  
Fair Value $ 504 [10],[13],[19] $ 613
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. - Preferred Stock    
Schedule of Investments [Line Items]    
Shares [10],[11],[12],[13],[14] 8,199  
Cost [10],[13],[14] $ 8,199  
Fair Value [10],[13],[14] $ 0  
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 8,199 [8],[9] 8,199 [15],[16],[17],[18],[21]
Cost [16],[18],[21]   $ 8,199
Fair Value $ 0 0 [16],[18],[21]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18],[20]   9,210
Cost [18],[20]   9,210
Fair Value [18],[20]   $ 613
Investment, Identifier [Axis]: Educators Resource, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 8,560 [11],[12],[13],[14] 8,560 [15],[16],[17],[18]
Cost $ 8,560 [13],[14] $ 8,560 [16],[18]
Fair Value 11,823 [13],[14] 11,630 [16],[18]
Investment, Identifier [Axis]: Educators Resource, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 30,000 [11],[12],[13] 30,000 [15],[17],[18]
Cost 30,000 [13] 30,000 [18]
Fair Value $ 30,000 [13] $ 30,000 [18]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 16,957 [11],[12],[13],[14] 16,957 [15],[16],[17],[18]
Cost $ 11,513 [13],[14] $ 11,513 [16],[18]
Fair Value 12,648 [13],[14] 3,447 [16],[18]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 6,900 [11],[12],[13] 6,900 [15],[17],[18]
Cost 6,900 [13] 6,900 [18]
Fair Value 6,900 [13] 6,900 [18]
Investment, Identifier [Axis]: Galaxy Technologies Holdings, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 18,796 [11],[12],[13] 18,796 [15],[17],[18]
Cost 18,796 [13] 18,796 [18]
Fair Value $ 18,796 [13] $ 18,796 [18]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 63,747 [11],[12],[13],[14] 63,747 [15],[16],[17],[18]
Cost $ 8 [13],[14] $ 8 [16],[18]
Fair Value $ 0 [13],[14] $ 0 [16],[18]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 19,280 [11],[12],[13],[14] 19,280 [15],[16],[17],[18]
Cost $ 9,583 [13],[14] $ 9,583 [16],[18]
Fair Value 13,645 [13],[14] 12,258 [16],[18]
Investment, Identifier [Axis]: Ginsey Home Solutions, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 12,200 [11],[12],[13] 12,200 [15],[17],[18]
Cost 12,200 [13] 12,200 [18]
Fair Value $ 12,200 [13] $ 12,200 [18]
Investment, Identifier [Axis]: Gladstone Alternative Income Fund – Common Equity    
Schedule of Investments [Line Items]    
Shares 500,000 [8],[9] 500,000 [15],[16],[17],[25]
Cost [16],[25]   $ 5,000
Fair Value $ 4,945 $ 5,005 [16],[25]
Investment, Identifier [Axis]: Gladstone Alternative Income Fund. – Common Equity    
Schedule of Investments [Line Items]    
Shares [11],[12],[14],[26] 500,000  
Cost [14],[26] $ 5,000  
Fair Value [14],[26] $ 4,945  
Investment, Identifier [Axis]: Global GRAB Technologies, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 21,100 [11],[12],[13],[14] 21,100 [15],[16],[17],[18]
Cost $ 21,100 [13],[14] $ 21,100 [16],[18]
Fair Value 21,134 [13],[14] 25,022 [16],[18]
Investment, Identifier [Axis]: Global GRAB Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   46,500
Cost [18]   46,500
Fair Value [18]   $ 46,500
Investment, Identifier [Axis]: Global GRAB Technologies, Inc. –Term Debt    
Schedule of Investments [Line Items]    
Principal amount [11],[12],[13] 46,500  
Cost [13] 46,500  
Fair Value [13] 46,500  
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. - Term Debt    
Schedule of Investments [Line Items]    
Principal amount [11],[12],[13] 3,000  
Cost [13] 3,000  
Fair Value [13] $ 3,000  
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [15],[16],[17],[18]   3,275
Cost [16],[18]   $ 3,275
Fair Value [16],[18]   0
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   12,000
Cost [18]   12,000
Fair Value [18]   $ 8,379
Investment, Identifier [Axis]: Home Concepts Acquisition, Inc.- Preferred Stock    
Schedule of Investments [Line Items]    
Shares [11],[12],[13],[14] 3,275  
Cost [13],[14] $ 3,275  
Fair Value [13],[14] $ 311  
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 10,080 [11],[12],[13],[14] 10,080 [15],[16],[17],[18]
Cost $ 0 [13],[14] $ 0 [16],[18]
Fair Value 0 [13],[14] 0 [16],[18]
Investment, Identifier [Axis]: Horizon Facilities Services, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 57,700 [11],[12],[13] 57,700 [15],[17],[18]
Cost 57,700 [13] 57,700 [18]
Fair Value $ 15,770 [13] $ 16,545 [18]
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 67,490 [8],[11],[12],[13],[14] 67,490 [15],[16],[17],[18]
Cost $ 6,749 [13],[14] $ 6,749 [16],[18]
Fair Value 33,537 [13],[14] 30,453 [16],[18]
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   22,000
Cost [18]   22,000
Fair Value [18]   22,000
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [11],[12],[13] 22,000  
Cost [13] 22,000  
Fair Value [13] 22,000  
Investment, Identifier [Axis]: ImageWorks Display and Marketing Group, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [8],[9] 22,000  
Fair Value 22,000 22,000
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC - Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   20,000
Cost [18]   20,000
Fair Value [18]   20,000
Investment, Identifier [Axis]: J.R. Hobbs Co. - Atlanta, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8],[9],[11],[13] 20,000  
Cost [13] 20,000  
Fair Value $ 20,000 [13] $ 20,000
Investment, Identifier [Axis]: J.R. Hobbs Co. – Atlanta, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 10,920 [8],[9],[11],[13],[14] 10,920 [15],[16],[17],[18]
Cost $ 10,920 [13],[14] $ 10,920 [16],[18]
Fair Value $ 10,183 [13],[14] $ 9,236 [16],[18]
Investment, Identifier [Axis]: Mason West, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 11,206 [11],[12],[13],[14] 11,206 [15],[16],[17],[18]
Cost $ 11,206 [13],[14] $ 11,206 [16],[18]
Fair Value 20,047 [13],[14] 19,235 [16],[18]
Investment, Identifier [Axis]: Mason West, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 25,250 [11],[12],[13] 25,250 [15],[17],[18]
Cost 25,250 [13] 25,250 [18]
Fair Value 25,250 [13] 25,250 [18]
Investment, Identifier [Axis]: Nielsen-Kellerman Acquisition Corp. - Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8],[9],[10],[11],[13] 48,082  
Cost [10],[13] 48,082  
Fair Value $ 48,082 [10],[13] 48,082
Investment, Identifier [Axis]: Nielsen-Kellerman Acquisition Corp. TL - Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18],[21]   48,082
Cost [18],[21]   48,082
Fair Value [18],[21]   $ 48,082
Investment, Identifier [Axis]: Nielsen-Kellerman Acquisition Corp. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 22,169 [10],[11],[12],[13],[14] 22,169 [15],[16],[17],[18]
Cost $ 22,169 [10],[13],[14] $ 22,169 [16],[18]
Fair Value $ 14,886 [10],[13],[14] 14,641 [16],[18]
Investment, Identifier [Axis]: Nielsen-Kellerman Acquisition Corp.– Preferred Stock    
Schedule of Investments [Line Items]    
Shares [8],[9] 22,169  
Fair Value $ 14,886 $ 14,641
Investment, Identifier [Axis]: Old World Christmas, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,180 [8],[9],[11],[13],[14] 6,180 [15],[16],[17],[18]
Cost $ 0 [13],[14] $ 0 [16],[18]
Fair Value 32,577 [13],[14] 29,730 [16],[18]
Investment, Identifier [Axis]: Old World Christmas, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8],[11],[12],[13] 38,000  
Cost [13] 38,000  
Fair Value 38,000 [13] 38,000
Investment, Identifier [Axis]: Old World Christmas, Inc. – Term Loan    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   38,000
Cost [18]   38,000
Fair Value [18]   38,000
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount [8],[11],[12],[13] 2,000  
Cost [13] 2,000  
Fair Value $ 2,000 [13] 1,400
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Line of Credit 1    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   1,400
Cost [18]   1,400
Fair Value [18]   $ 1,400
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 428,773 [8],[9],[11],[13],[14] 428,773 [15],[16],[17],[18]
Cost $ 46,746 [13],[14] $ 46,746 [16],[18]
Fair Value 5,510 [13],[14] 4,928 [16],[18]
Investment, Identifier [Axis]: PSI Molded Plastics, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 400 [8],[9],[11],[13] 400 [15],[17],[18]
Cost 400 [13] 400 [18]
Fair Value 400 [13] 400 [18]
Investment, Identifier [Axis]: Phoenix Door Systems, Inc – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 2,950 [11],[12],[13] 2,950 [15],[17],[18]
Cost 2,950 [13] 2,950 [18]
Fair Value $ 2,950 [13] $ 2,950 [18]
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 4,221 [11],[12],[13],[14] 4,221 [15],[16],[17],[18]
Cost $ 1,830 [13],[14] $ 1,830 [16],[18]
Fair Value 136 [13],[14] 0 [16],[18]
Investment, Identifier [Axis]: Phoenix Door Systems, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 3,200 [11],[12],[13] 3,200 [15],[17],[18]
Cost 3,200 [13] 3,200 [18]
Fair Value 3,200 [13] 3,200 [18]
Investment, Identifier [Axis]: Pyrotek Special Effects, Inc. - Term Debt    
Schedule of Investments [Line Items]    
Principal amount 20,120 [8],[9],[11],[13],[27] 20,120 [15],[17],[18],[28]
Cost 20,120 [13],[27] 20,120 [18],[28]
Fair Value $ 20,120 [13],[27] 20,120 [18],[28]
Investment, Identifier [Axis]: Pyrotek Special Effects, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares [8],[9] 7,060  
Fair Value $ 3,620 $ 1,835
Investment, Identifier [Axis]: Pyrotek Special Effects, Inc.. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 7,060 [11],[12],[13],[14],[27] 7,060 [15],[16],[17],[18],[28]
Cost $ 7,060 [13],[14],[27] $ 7,060 [16],[18],[28]
Fair Value $ 3,620 [13],[14],[27] $ 1,835 [16],[18],[28]
Investment, Identifier [Axis]: Rowan Energy Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 7,298 [11],[12],[13],[14] 7,298 [15],[16],[17],[18]
Cost $ 7,298 [13],[14] $ 7,298 [16],[18]
Fair Value 4,065 [13],[14] 7,495 [16],[18]
Investment, Identifier [Axis]: Rowan Energy Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 25,790 [11],[12],[13] 25,790 [15],[17],[18]
Cost 25,790 [13] 25,790 [18]
Fair Value $ 25,790 [13] $ 25,790 [18]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Shares 18,721 [11],[12],[14],[29] 18,721 [15],[16],[17],[18]
Cost $ 30,746 [14],[29] $ 30,746 [16],[18]
Fair Value 167,361 [14],[29] 204,048 [16],[18]
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   54,644
Cost [18]   54,644
Fair Value [18]   $ 54,644
Investment, Identifier [Axis]: SFEG Holdings, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [11],[12],[29] 54,644  
Cost [29] 54,644  
Fair Value [29] $ 54,644  
Investment, Identifier [Axis]: Schylling, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 4,000 [11],[12],[13],[14] 4,000 [15],[16],[17],[18]
Cost $ 4,000 [13],[14] $ 4,000 [16],[18]
Fair Value 69,829 [13],[14] 66,403 [16],[18]
Investment, Identifier [Axis]: Schylling, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 16,981 [11],[12],[13] 16,981 [15],[17],[18]
Cost 16,981 [13] 16,981 [18]
Fair Value $ 16,981 [13] $ 16,981 [18]
Investment, Identifier [Axis]: Smart Chemical Solutions, LLC - Preferred Stock    
Schedule of Investments [Line Items]    
Shares 13,843 [10],[11],[12],[13],[14] 13,843 [15],[16],[17],[18],[21]
Cost $ 13,843 [10],[13],[14] $ 13,843 [16],[18],[21]
Fair Value 8,929 [10],[13],[14] 7,327 [16],[18],[21]
Investment, Identifier [Axis]: Smart Chemical Solutions, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 35,660 [10],[11],[12],[13] 35,660 [15],[17],[18],[21]
Cost 35,660 [10],[13] 35,660 [18],[21]
Fair Value $ 35,660 [10],[13] $ 35,660 [18],[21]
Investment, Identifier [Axis]: Sun State Nursery and Landscaping, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 3,059 [11],[12],[13],[14] 3,059 [15],[16],[17],[18]
Cost $ 3,059 [13],[14] $ 3,059 [16],[18]
Fair Value 4,271 [13],[14] 3,718 [16],[18]
Investment, Identifier [Axis]: Sun State Nursery and Landscaping, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 9,520 [11],[12],[13] 9,520 [15],[17],[18]
Cost 9,520 [13] 9,520 [18]
Fair Value $ 9,520 [13] $ 9,520 [18]
Investment, Identifier [Axis]: The E3 Company, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 11,233 [11],[12],[13],[14] 11,233 [15],[16],[17],[18]
Cost $ 11,233 [13],[14] $ 11,233 [16],[18]
Fair Value 59,945 [13],[14] 58,570 [16],[18]
Investment, Identifier [Axis]: The E3 Company, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 33,750 [11],[12],[13] 33,750 [15],[17],[18]
Cost 33,750 [13] 33,750 [18]
Fair Value $ 33,750 [13] 33,750 [18]
Investment, Identifier [Axis]: The Maids International, LLC - Preferred Stock    
Schedule of Investments [Line Items]    
Shares [8],[9] 6,640  
Fair Value $ 4,899 $ 4,631
Investment, Identifier [Axis]: The Maids International, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,640 [11],[12],[13],[14] 6,640 [15],[16],[17],[18]
Cost $ 6,640 [13],[14] $ 6,640 [16],[18]
Fair Value 4,899 [13],[14] 4,631 [16],[18]
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8],[11],[12],[13] 28,560  
Cost [13] 28,560  
Fair Value $ 28,560 [13] 28,560
Investment, Identifier [Axis]: The Maids International, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   28,560
Cost [18]   28,560
Fair Value [18]   28,560
Investment, Identifier [Axis]: UPB Acquisition, Inc. - Preferred Stock    
Schedule of Investments [Line Items]    
Shares [8],[9] 6,000  
Fair Value $ 29,574 26,713
Investment, Identifier [Axis]: UPB Acquisition, Inc. - Term Debt    
Schedule of Investments [Line Items]    
Principal amount [15],[17],[18]   11,000
Cost [18]   11,000
Fair Value [18]   $ 11,000
Investment, Identifier [Axis]: UPB Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Shares 6,000 [11],[12],[13],[14] 6,000 [15],[16],[17],[18]
Cost $ 6,000 [13],[14] $ 6,000 [16],[18]
Fair Value 29,574 [13],[14] 26,713 [16],[18]
Investment, Identifier [Axis]: UPB Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [8],[11],[12],[13] 11,000  
Cost [13] 11,000  
Fair Value $ 11,000 [13] $ 11,000
[1] Cumulative gross unrealized appreciation for federal income tax purposes is $428.5 million; cumulative gross unrealized depreciation for federal income tax purposes is $173.7 million. Cumulative net unrealized appreciation is $254.8 million, based on a tax cost of $1.1 billion.
[2] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[3] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[4] Affiliate investments, as defined by the 1940 Act, are those that are not Control investments and in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[5] Affiliate investments, as defined by the 1940 Act, are those that are not Control investments and in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[6] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[7] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[8] Represents the principal balance, presented in thousands, for debt investments and the number of shares/units held for equity investments as of June 30, 2026. Warrants are represented as a percentage of ownership, as applicable, as of June 30, 2026.
[9] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[10] One or more of our affiliated funds, Gladstone Capital Corporation and Gladstone Alternative, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[11] Represents the principal balance, presented in thousands, for debt investments, the cash balance, presented in thousands, for cash equivalents, and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[12] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[13] Fair value was based on the total enterprise value of the portfolio company, which is generally allocated to the portfolio company’s securities in order of their relative priority in the capital structure. Refer to Note 3 — Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[14] Security is non-income producing
[15] Represents the principal balance, presented in thousands, for debt investments, the cash balance, presented in thousands, for cash equivalents, and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[16] Security is non-income producing.
[17] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[18] Fair value was based on the total enterprise value of the portfolio company, which is generally allocated to the portfolio company’s securities in order of their relative priority in the capital structure. Refer to Note 3 — Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[19] Debt security is on non-accrual status.
[20] Debt security is on non-accrual status.
[21] One or more of our affiliated funds, Gladstone Capital Corporation and Gladstone Alternative, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[22] The portfolio company changed its name from Ricardo Defense, Inc. to Detroit Defense, Inc. during the year ended March 31, 2026.
[23] Valued using Level 1 inputs within the FASB ASC 820 fair value hierarchy. Refer to Note 3 — Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[24] Valued using Level 1 inputs within the FASB ASC 820 fair value hierarchy. Refer to Note 3 — Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[25] Fair value was based on net asset value provided by the underlying fund as a practical expedient.
[26] Fair value was based on net asset value provided by the underlying fund as a practical expedient.
[27] This portfolio company is headquartered in Ontario, Canada.
[28] This portfolio company is headquartered in Ontario, Canada.
[29] Fair value was based on the expected exit.