2 institutions reported holding $111,488 of FIDUS INVT CORP (FDUSL) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($69,680), GROUP ONE TRADING LLC ($41,808). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $69,680 | 4,000 | Trimmed |
| 2 | GROUP ONE TRADING LLC | $41,808 | 2,400 | Added |
Source: SEC Form 13F filings · as of 2026-03-31