4,732 institutions reported holding $530.91B of BERKSHIRE HATHAWAY INC SERIES B NEW (V) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($54.97B), BlackRock, Inc. ($47.23B), STATE STREET CORP ($28.43B), MORGAN STANLEY ($15.77B), GEODE CAPITAL MANAGEMENT, LLC ($15.53B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30