Alto Neuroscience Inc. (ANRO) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for ANRO. 13F holdings as of 2026-06-30.

In 13F filings for the quarter ended June 30, 2026, 110 institutions reported holding ANRO, with 29.5 million shares worth $777.6 million in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
Alpha Wave Global3,707,757$98MUNCHANGED
Commodore Capital2,723,196$72MUNCHANGED
BlackRock2,121,009$56MINCREASED
Vanguard1,805,142$48MINCREASED
Perceptive Advisors1,609,893$42MDECREASED

Full institutional holdings, insider history, and congressional trades for Alto Neuroscience Inc. on SentiSense.