4 institutions reported holding $1.5M of TWO HARBORS INVENTMENT CORPO (TWOPRA) in SEC 13F filings for 2026-06-30. Largest institutional holders: GROUP ONE TRADING LLC ($775,625), SIMPLEX TRADING, LLC ($523,702), IMC-Chicago, LLC ($171,258), SUMMIT SECURITIES GROUP LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | $775,625 | 62,500 | Trimmed |
| 2 | SIMPLEX TRADING, LLC | $523,702 | 42,200 | Trimmed |
| 3 | IMC-Chicago, LLC | $171,258 | 13,800 | Trimmed |
| 4 | SUMMIT SECURITIES GROUP LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30