666 institutions reported holding $22.63B of GUARDANT (GH) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($1.84B), BlackRock, Inc. ($1.23B), PRICE T ROWE ASSOCIATES INC /MD/ ($977.4M), FMR LLC ($846.6M), Invesco Ltd. ($664.6M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30