Bio-Rad Laboratories, Inc.Class A (BIO)

LABORATORY ANALYTICAL INSTRUMENTS

Bio-Rad Laboratories, Inc.Class A (BIO) is listed on the New York Stock Exchange, where it has traded since February 29, 1980.

Listed On
the New York Stock Exchange
Listed Since
February 29, 1980
Employees
7,450
Market Cap
$10.1B

About Bio-Rad Laboratories, Inc.Class A

Bio-Rad Laboratories, headquartered in Hercules, California, develops, manufactures, and sells products and solutions for the clinical diagnostics and life sciences markets. In clinical diagnostics (60% of sales), Bio-Rad sells test systems and specialized quality controls for clinical laboratories. In life sciences (40% of sales), it develops and manufactures instruments and reagents used in research, biopharmaceutical production, and food testing and has a leadership position in dPCR technology. The company is geographically diverse, with major markets in the Americas (about 40% of sales), Europe (about 30%), Asia (about 30%), and other. Bio-Rad owns approximately 33% of Sartorius, a lab and bioprocessing supplier that specializes in single-use technology used in biologics manufacturing.

Institutional ownership

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. The largest reported holder was First Eagle Investment Management, with 2.6 million shares worth $765.2 million. Of the 5 largest holders listed below, 3 added shares and 2 reduced their positions during the quarter.

InstitutionSharesValueQuarter change
First Eagle Investment Management2,606,219$765MAdded 0.13%
Vanguard1,791,524$526MReduced 0.87%
BlackRock1,698,929$499MAdded 1.12%
Dimensional Fund Advisors944,548$277MReduced 13.29%
Capital Group905,940$266MAdded 8.42%

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is BIO?

Bio-Rad Laboratories, Inc.Class A (BIO) is listed on the New York Stock Exchange, where it has traded since February 29, 1980.

Who are the largest institutional holders of BIO?

In 13F filings for the quarter ended June 30, 2026, the largest reported holders of BIO were First Eagle Investment Management, Vanguard and BlackRock.

How many institutions own BIO?

387 institutions reported a position in BIO for the quarter ended June 30, 2026, worth $5.7 billion in total.

Did institutions buy or sell BIO last quarter?

Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for BIO.

Every reported institutional holder, plus insider and congressional trades in BIO, on SentiSense.