26 institutions reported holding $87.6M of GLADSTONE CAP CORP (GLADO) in SEC 13F filings for 2026-03-31. Largest institutional holders: Radcliffe Capital Management, L.P. ($20.0M), Context Capital Management, LLC ($15.4M), Linden Advisors LP ($11.4M), HBK INVESTMENTS L P ($8.5M), Walleye Capital LLC ($5.6M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Radcliffe Capital Management, L.P. | $20.0M | 21.4M | Hold |
| 2 | Context Capital Management, LLC | $15.4M | 16.4M | Added |
| 3 | Linden Advisors LP | $11.4M | 12.1M | Added |
| 4 | HBK INVESTMENTS L P | $8.5M | 9.0M | Added |
| 5 | Walleye Capital LLC | $5.6M | 6.0M | Added |
| 6 | Nuveen, LLC | $5.6M | 6.0M | New |
| 7 | INCOME RESEARCH & MANAGEMENT | $4.5M | 4.8M | Hold |
| 8 | MILLENNIUM MANAGEMENT LLC | $3.1M | 3.3M | Hold |
| 9 | WOLVERINE ASSET MANAGEMENT LLC | $3.1M | 3.2M | Hold |
| 10 | KIM, LLC | $1.9M | 2.0M | Added |
| 11 | OAKTREE CAPITAL MANAGEMENT LP | $1.8M | 1.9M | Added |
| 12 | Russell Investments Group, Ltd. | $1.3M | 1.4M | Added |
| 13 | Quarry LP | $1.0M | 1.0M | Trimmed |
| 14 | WATER ISLAND CAPITAL LLC | $967,746 | 1.0M | Trimmed |
| 15 | WELLS FARGO & COMPANY/MN | $958,750 | 1.0M | New |
| 16 | CSS LLC/IL | $936,104 | 1.0M | Trimmed |
| 17 | Centiva Capital, LP | $610,363 | 6,500 | New |
| 18 | IMC-Chicago, LLC | $385,170 | 22,200 | New |
| 19 | SIMPLEX TRADING, LLC | $251,575 | 14,500 | Added |
| 20 | Royal Bank of Canada | $173,000 | 180,000 | New |
| 21 | RAYMOND JAMES FINANCIAL INC | $56,116 | 60,000 | New |
| 22 | STIFEL FINANCIAL CORP | $46,764 | 46,764 | Trimmed |
| 23 | GROUP ONE TRADING LLC | $5,205 | 300 | Trimmed |
| 24 | Jump Financial, LLC | $0 | 0 | Exited |
| 25 | MOORE CAPITAL MANAGEMENT, LP | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31