2,259 institutions reported holding $55.11B of PHILLIPS 66 (PSX) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($8.89B), BlackRock, Inc. ($5.77B), STATE STREET CORP ($4.40B), Elliott Investment Management L.P. ($3.25B), WELLS FARGO & COMPANY/MN ($2.11B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30