2 institutions reported holding $563,176 of 1ST FINL BANCORP (FFBCW) in SEC 13F filings for 2026-03-31. Largest institutional holders: GROUP ONE TRADING LLC ($540,872), SIMPLEX TRADING, LLC ($22,304). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $540,872 | 19,400 | New |
| 2 | SIMPLEX TRADING, LLC | $22,304 | 800 | Added |
Source: SEC Form 13F filings · as of 2026-03-31