3,759 institutions reported holding $186.38B of Intl Business Mchn Common (IBM) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($27.98B), BlackRock, Inc. ($21.59B), STATE STREET CORP ($15.76B), GEODE CAPITAL MANAGEMENT, LLC ($6.58B), MORGAN STANLEY ($4.91B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30