3 institutions reported holding $600,236 of AMERICAN FINANCIAL GROUP INC (AFW-CL) in SEC 13F filings for 2026-03-31. Largest institutional holders: IMC-Chicago, LLC ($408,672), SIMPLEX TRADING, LLC ($166,022), GROUP ONE TRADING LLC ($25,542). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $408,672 | 3,200 | New |
| 2 | SIMPLEX TRADING, LLC | $166,022 | 1,300 | New |
| 3 | GROUP ONE TRADING LLC | $25,542 | 200 | New |
Source: SEC Form 13F filings · as of 2026-03-31