2 institutions reported holding $45,140 of WHITEHORSE FIN INC (WHFBL) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($25,160), SIMPLEX TRADING, LLC ($19,980). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $25,160 | 3,400 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $19,980 | 2,700 | Added |
Source: SEC Form 13F filings · as of 2026-03-31