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Bio-Rad Laboratories, Inc.

BIO.B
Exchange
NYSE
Industry
Laboratory Analytical Instruments
SEC CIK
0000012208

No open-market purchases or sales by Bio-Rad Laboratories, Inc. insiders were filed in the last 90 days; 5 institutions reported holding it in 13F filings for Q2 2026, worth $544.9K in total; no superinvestor holds it.

Other share classesBIO

Holders of 5% or more of BIO.B

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Bio-Rad Laboratories, Inc., largest stake first. The change is against the holder's previous filing.

No holder currently reports owning 5% or more of Bio-Rad Laboratories, Inc. on Schedule 13D or 13G.

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

Schedule 13D and 13G filings on Bio-Rad Laboratories, Inc., newest first.

No Schedule 13D or 13G filings on Bio-Rad Laboratories, Inc. are on file.

Form 144: proposed insider sales

10 notices from officers, directors and other affiliates planning to sell Bio-Rad Laboratories, Inc. shares, newest first.

Form 144 notices for BIO.B
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Feb 28, 20246:24 PM ETErnst Timothy SOfficer2.50K$826.4KFeb 28, 2024MORGAN STANLEY SMITH BARNEY LLC, EXECUIVE SERVICESSEC
Feb 27, 20245:39 PM ETCrowley MichaelOfficer3.00K$1.01MFeb 27, 2024MORGAN STANLEY SMITH BARNEY LLC, EXECUTIVE SERVICESSEC
Feb 27, 20245:35 PM ETWright DaraOfficer1.84K$616.2KFeb 27, 2024Morgan Stanley Smith Barney LLC Executive ServicesSEC
Dec 12, 20236:24 PM ETWright DaraOfficer1.20K$359.0KDec 12, 2023Morgan Stanley Smith Barney LLC Executive ServicesSEC
Nov 28, 20234:53 PM ETCrowley MichaelOfficer642$195.9KNov 28, 2023Morgan Stanley Smith Barney LLC Executive ServicesSEC
Nov 28, 20233:48 PM ETAlles Institute for Medical Research CorpDirector · 10% stockholder800$241.9KNov 28, 2023Wells Fargo Clearing ServicesSEC
Aug 30, 20235:56 PM ETErnst Timothy SOfficer2.35K$923.5KAug 30, 2023ETRADE FINANCIAL CORPORATIONSEC
Aug 23, 20236:16 PM ETErnst Timothy SOfficer300$115.4KAug 23, 2023ETRADE FINANCIAL CORPORATIONSEC
Jun 15, 20235:12 PM ETCrowley MichaelOfficer500$189.7KJun 15, 2023ETRADE FINANCIAL CORPORATIONSEC
Jun 6, 20235:58 PM ETRamalingam AjitOfficer198$73.1KJun 6, 2023ETRADE FINANCIAL CORPORATIONSEC