159 institutions reported holding $86.9M of CARIBOU BIOSCIENCES INC (CRBU) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($13.8M), VANGUARD GROUP INC ($9.6M), Pfizer Inc ($7.9M), MACKENZIE FINANCIAL CORP ($6.4M), RENAISSANCE TECHNOLOGIES LLC ($4.9M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30