7 institutions reported holding $248,059 of GULF RES INC (GURE) in SEC 13F filings for 2026-03-31. Largest institutional holders: CITADEL ADVISORS LLC ($137,794), TWO SIGMA INVESTMENTS, LP ($109,894), NBC SECURITIES, INC. ($281), INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC ($78), OSAIC HOLDINGS, INC. ($6). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $137,794 | 22,047 | Added |
| 2 | TWO SIGMA INVESTMENTS, LP | $109,894 | 17,583 | New |
| 3 | NBC SECURITIES, INC. | $281 | 45 | Hold |
| 4 | INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC | $78 | 10 | Hold |
| 5 | OSAIC HOLDINGS, INC. | $6 | 1 | Hold |
| 6 | BlackRock, Inc. | $6 | 1 | Hold |
| 7 | MORGAN STANLEY | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31