3 institutions reported holding $13.7M of HERCULES CAPITAL INC (HTGX-CL) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($7.3M), IMC-Chicago, LLC ($3.4M), SIMPLEX TRADING, LLC ($3.0M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $7.3M | 492,600 | Added |
| 2 | IMC-Chicago, LLC | $3.4M | 231,600 | Added |
| 3 | SIMPLEX TRADING, LLC | $3.0M | 205,900 | Added |
Source: SEC Form 13F filings · as of 2026-03-31