4 institutions reported holding $1.3M of TALOS ENERGY INC (TALO.WS) in SEC 13F filings for 2026-06-30. Largest institutional holders: IMC-Chicago, LLC ($670,029), SIMPLEX TRADING, LLC ($516,400), GROUP ONE TRADING LLC ($148,465), SAXON INTERESTS, INC. ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | IMC-Chicago, LLC | $670,029 | 51,900 | Added |
| 2 | SIMPLEX TRADING, LLC | $516,400 | 40,000 | Added |
| 3 | GROUP ONE TRADING LLC | $148,465 | 11,500 | Added |
| 4 | SAXON INTERESTS, INC. | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30