105 institutions reported holding $218.6M of ALX ONCOLOGY HLDGS INC (ALXO) in SEC 13F filings for 2026-06-30. Largest institutional holders: RA CAPITAL MANAGEMENT, L.P. ($26.9M), venBio Partners LLC ($26.7M), BlackRock, Inc. ($15.3M), Redmile Group, LLC ($15.3M), Blackstone Inc. ($13.6M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30