1 institutions reported holding $423,139 of GULFPORT ENERGY CORP (GPORQ) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($423,139). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $423,139 | 2,000 | Added |
Source: SEC Form 13F filings · as of 2026-03-31