4 institutions reported holding $824,619 of MFA FINL INC (MFAPRC) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($462,213), SIMPLEX TRADING, LLC ($312,018), GROUP ONE TRADING LLC ($50,388), SUMMIT SECURITIES GROUP LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $462,213 | 47,700 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $312,018 | 32,200 | Trimmed |
| 3 | GROUP ONE TRADING LLC | $50,388 | 5,200 | Trimmed |
| 4 | SUMMIT SECURITIES GROUP LLC | $0 | 0 | Exited |
来源：SEC 13F 申报文件 · 截至 2026-06-30