2 institutions reported holding $10.2M of GIBSON ENERGY (GBNXF) in SEC 13F filings for 2026-03-31. Largest institutional holders: MILLER HOWARD INVESTMENTS INC /NY ($10.2M), DUFF & PHELPS INVESTMENT MANAGEMENT CO ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MILLER HOWARD INVESTMENTS INC /NY | $10.2M | 478,540 | Added |
| 2 | DUFF & PHELPS INVESTMENT MANAGEMENT CO | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31