Bio-Rad Laboratories ($BIO) Insider Trading & Smart Money Activity

Bio-Rad Laboratories, Inc. · Medical Devices · Latest filing May 13, 2026

Bio-Rad Laboratories, Inc. ($BIO) has 3 13F position changes on file.

Insider buyers (12 mo): 0
Insider sellers (12 mo): 0
Net insider $ (12 mo): $0
Congress trades (12 mo): 0
13F moves on file: 3
Analyst ratings on file: 0

BIO insider buying and selling by quarter

Quarter	Congress buys / sales	13F added / cut
Q1 2026	0 / 0	0 / 0
Q2 2026	0 / 0	2 / 1
Q3 2026	0 / 0	0 / 0
Q4 2026	0 / 0	0 / 0

Insider buys and sales count open-market trades only (Form 4 codes P and S). Grants, option exercises and tax withholding are left out.

All BIO insider, congress, 13F and analyst activity

Date	Source	Who	Action	Shares	Value / amount	Story
May 13, 2026	13F	Gw&K Investment Management	Reduced	-2.38K sh	$51.30M	—
May 12, 2026	13F	First Eagle Investment Management	Added	+32.30K sh	$764.20M	—
May 12, 2026	13F	First Eagle Investment Management	Added	+32.30K sh	$761.15M	—

1W / 1M / 6M = how BIO moved from the trade or filing date.

Institutions moving BIO (13F)

Frequently asked questions

Which institutions changed their BIO positions?

Recent 13F filers moving the stock include First Eagle Investment Management and Gw&K Investment Management.

Other medical devices stocks

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Data comes from public SEC Form 4 and 13F filings and STOCK Act disclosures. Dates are the trade or filing date reported. This page is for research only and is not investment advice.

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