1 institutions reported holding $82,446 of FINANCIAL INSTITUTIONS INC (FIISP) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($82,446). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $82,446 | 2,600 | Added |
Source: SEC Form 13F filings · as of 2026-03-31