1,028 institutions reported holding $19.82B of Wr Berkley Corp (WRB) in SEC 13F filings for 2026-06-30. Largest institutional holders: Mitsui Sumitomo Insurance Co Ltd ($4.15B), VANGUARD GROUP INC ($2.54B), BlackRock, Inc. ($1.55B), STATE STREET CORP ($1.00B), GEODE CAPITAL MANAGEMENT, LLC ($588.5M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30