Bio-Rad Laboratories Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:BIO Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Role	Shares	Max Price
11 May 26	SellUS$135,597	Eva Engelhardt	Individual		550	US$246.54
06 Nov 25	SellUS$214,289	James Barry	Individual		699.87	US$306.18

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of BIO?
Owner Type	Number of Shares	Ownership Percentage
State or Government	12,508	0.0468%
Individual Insiders	1,278,640	4.78%
General Public	1,737,196	6.5%
Private Companies	4,094,394	15.3%
Institutions	19,615,437	73.4%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 72.18% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
15.2%	Blue Raven Partners, L.P.	4,060,054	US$1.5b	0%	no data
9.75%	First Eagle Investment Management, LLC	2,606,219	US$960.4m	0.13%	0.84%
6.35%	BlackRock, Inc.	1,698,929	US$626.1m	1.12%	0.01%
4.58%	Norman Schwartz	1,225,375	US$451.6m	-28%	no data
3.53%	Dimensional Fund Advisors LP	944,548	US$348.1m	-13.3%	0.04%
3.52%	Vanguard Capital Management, LLC	941,375	US$346.9m	-0.36%	0.01%
3.39%	Capital Research and Management Company	905,940	US$333.9m	8.42%	0.01%
3.05%	Ariel Investments, LLC	816,751	US$301.0m	3.92%	2.87%
3.05%	Vanguard Portfolio Management, LLC	816,198	US$300.8m	-1.57%	0.01%
2.72%	UBS Asset Management AG	727,222	US$268.0m	-6.82%	0.02%
2.17%	EARNEST Partners, LLC	580,752	US$214.0m	-1.36%	0.77%
2.14%	State Street Investment Management	571,762	US$210.7m	1.87%	0.01%
1.5%	First Pacific Advisors, LP	401,861	US$148.1m	-1.35%	1.26%
1.43%	Managed Account Advisors LLC	382,498	US$141.0m	-1.32%	0.02%
1.3%	Geode Capital Management, LLC	347,575	US$128.1m	-4.69%	0.01%
1.23%	Nomura Holdings, Inc.	328,897	US$121.2m	51.3%	0.25%
1.02%	SEI Investments Company	273,377	US$100.7m	-5.05%	0.07%
1%	Barclays PLC	266,387	US$98.2m	-2.59%	0.05%
0.87%	Assenagon Asset Management S.A.	233,227	US$85.9m	57.8%	0.09%
0.85%	Deerfield Management Company, L.P.	226,070	US$83.3m	0%	1.49%
0.82%	Northern Trust Global Investments	218,285	US$80.4m	-0.1%	0.01%
0.73%	Charles Schwab Investment Management, Inc.	195,538	US$72.1m	-0.52%	0.01%
0.72%	AQR Capital Management, LLC	192,638	US$71.0m	104%	0.02%
0.64%	SG Americas Securities, LLC	170,802	US$62.9m	155%	0.04%
0.62%	GW&K Investment Management, LLC	166,905	US$61.5m	-4.47%	0.5%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2026/09/14 21:42
End of Day Share Price	2026/09/14 00:00
Earnings	2026/06/30
Annual Earnings	2025/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Bio-Rad Laboratories, Inc. is covered by 20 analysts. 5 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
Jon Wood	BofA Global Research
Yuan Zhi	B. Riley Securities, Inc.
Patrick Donnelly	Citigroup Inc