136 institutions reported holding $782.6M of ALTO NEUROSCIENCE INC (ANRO) in SEC 13F filings for 2026-06-30. Largest institutional holders: Alpha Wave Global, LP ($97.8M), Commodore Capital LP ($71.9M), BlackRock, Inc. ($56.0M), VANGUARD GROUP INC ($47.3M), PERCEPTIVE ADVISORS LLC ($42.5M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30