1,939 institutions reported holding $84.65B of WILLIAMS COS INC (WMB) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($10.16B), BlackRock, Inc. ($8.64B), STATE STREET CORP ($5.35B), BANK OF AMERICA CORP /DE/ ($3.32B), WELLINGTON MANAGEMENT GROUP LLP ($2.46B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30