5,009 institutions reported holding $484.10B of Berkshire Hathaway Inc CL B (BRKB) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($80.14B), BlackRock, Inc. ($60.64B), STATE STREET CORP ($37.90B), GEODE CAPITAL MANAGEMENT, LLC ($20.74B), MORGAN STANLEY ($13.34B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30