Bio-Rad Laboratories, Inc.Class A (BIO) Ownership & Trading Activity

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

In 13F filings for the quarter ended June 30, 2026, 387 institutions reported holding BIO, with 19.4 million shares worth $5.7 billion in aggregate.

Top Institutional Holders

InstitutionSharesValueChange
First Eagle Investment Management2,606,219$765MINCREASED
Vanguard1,791,524$526MDECREASED
BlackRock1,698,929$499MINCREASED
Dimensional Fund Advisors944,548$277MDECREASED
Capital Group905,940$266MINCREASED

Full institutional holdings, insider history, and congressional trades for Bio-Rad Laboratories, Inc.Class A on SentiSense.