Bio-Rad Laboratories

BIO and BIO.B • NYSE

Bio-Rad Laboratories is a medical - devices company in the healthcare sector on NYSE, led by Norman Schwartz, with a market cap of $8.3B. As of Q3 2025, 72% of shares are held by 385 institutional investors, with First Eagle Investment Management, LLC as the largest holder at 9.31%.

CEONorman Schwartz

Market Cap$8.3B

Medical - Devices

Healthcare

Employees8.0K

Websitebio-rad.com

Country

United States of America

Overview

Overview of institutional ownership in BIO and BIO.B as of Q3 2025 with a market cap of $7.6B

All Institutions

Institutions: 385
Value Held: $5.5B
Shares Held: 19.5M
Avg Position: $14.1M
Median Position: $665.5K

Hedge Funds

Hedge Funds: 36
Value Held: $339.8M
Shares Held: 1.2M
Avg Position: $9.4M
Median Position: $3.0M

Ownership Breakdown

Institutional (non-HF)

67.43%

$5.1B

Hedge Funds

4.48%

$339.8M

Retail & Other

28.1%

$2.1B

Based on market cap of $7.6B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in BIO and BIO.B as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
F First Eagle Investment Management, LLC Long Only Manager	Mehdi Asif Mahmud CEO	$706.7M 1.29% of portfolio	9.31% 2.5M shares	Q2 2023 Held for 2y 5m	$54.9B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$502.9M 0.01% of portfolio	6.63% 1.8M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
B BlackRock, Inc. Institution	-	$475.5M 0.01% of portfolio	6.27% 1.7M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$298.0M 0.06% of portfolio	3.93% 1.1M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
Veritas Asset Management LLP Long Only Manager	Antony Paul Burgess Managing Partner	$236.7M 2.53% of portfolio	3.12% 844.0K shares	Q2 2022 Held for 3y 5m	$9.4B
ARIEL INVESTMENTS, LLC Long Only Manager	John Washington Rogers CEO	$227.0M 2.43% of portfolio	2.99% 809.5K shares	≤ Q2 2013 Held for 12y 5m+	$9.4B
EARNEST PARTNERS LLC Long Only Manager	Paul Ernest Viera CEO	$170.8M 0.74% of portfolio	2.25% 609.3K shares	Q4 2013 Held for 11y 11m	$23.1B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$160.3M 0.01% of portfolio	2.11% 571.6K shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
BANK OF AMERICA CORP /DE/ Institution	Brian T. Moynihan CEO	$128.9M 0.01% of portfolio	1.70% 459.9K shares	≤ Q2 2013 Held for 12y 5m+	$1.33T
Capital Research Global Investors RIA/Wealth	Maria Alejandra Herrera CIO	$117.3M 0.02% of portfolio	1.55% 418.4K shares	Q3 2025 Held for 2 months	$532.36B

Net Capital Flow

Institutional buying and selling activity for BIO and BIO.B in Q3 2025

Traded: +$162.1M
Buyers: 184
Sellers: 178
Total Bought: +$629.1M
Total Sold: −$467.0M
Avg Position: $12.6M

Biggest Buyers

Institution	Net Bought	Current Position
Capital Research Global Investors RIA/Wealth	+$117.3M +418.4K shares	$117.3M 418.4K shares
UBS GLOBAL ASSET MANAGEMENT AMERICAS INC Long Only Manager	+$106.7M +380.4K shares	$111.4M 397.2K shares
FULLER & THALER ASSET MANAGEMENT, INC. Long Only Manager	+$66.7M +237.9K shares	$66.7M 237.9K shares
MANGROVE PARTNERS Hedge Fund•Multi-Strategy	+$35.6M +126.9K shares	$35.6M 126.9K shares
B BTIM Corp. Institution	+$26.8M +95.4K shares	$26.8M 95.4K shares
ACADIAN ASSET MANAGEMENT LLC Long Only Manager	+$24.5M +87.5K shares	$38.9M 138.9K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	+$17.8M +63.4K shares	$298.0M 1.1M shares
M MOORE CAPITAL MANAGEMENT, LP Hedge Fund•Global Macro	+$15.4M +55.0K shares	$15.4M 55.0K shares
S Squarepoint Ops LLC Hedge Fund•Quant	+$15.3M +54.7K shares	$15.3M 54.7K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$13.4M +47.7K shares	$14.1M 50.3K shares

Biggest Sellers

Institution	Net Sold	Current Position
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$63.8M −227.4K shares	$6.9M 24.5K shares
Select Equity Group, L.P. Hedge Fund•Multi-Strategy	−$61.8M −256.0K shares	Sold Off 0 shares
THOMPSON SIEGEL & WALMSLEY LLC Long Only Manager	−$24.8M −88.5K shares	$61.0M 217.6K shares
ExodusPoint Capital Management, LP Hedge Fund•Multi-Strategy	−$23.9M −85.1K shares	$6.6M 23.5K shares
GOLDMAN SACHS GROUP INC Institution	−$23.7M −84.6K shares	$5.7M 20.3K shares
S SCOPIA CAPITAL MANAGEMENT LLC Hedge Fund•Long/Short	−$22.9M −94.7K shares	Sold Off 0 shares
S SOUTHEASTERN ASSET MANAGEMENT INC/TN/ Long Only Manager	−$21.9M −78.0K shares	$66.5M 237.3K shares
H Hound Partners, LLC Hedge Fund•Long/Short	−$21.9M −78.0K shares	$29.2M 104.0K shares
B BlackRock, Inc. Institution	−$18.7M −66.8K shares	$475.5M 1.7M shares
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	−$17.8M −73.6K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited BIO and BIO.B in Q3 2025

New Positions: 21
New Value: $191.7M
Exited Positions: 47
Exited Value: $132.2M

New Positions

Institution	Position Value
Capital Research Global Investors RIA/Wealth	$117.3M 418.4K shares
MANGROVE PARTNERS Hedge Fund•Multi-Strategy	$35.6M 126.9K shares
B BTIM Corp. Institution	$26.8M 95.4K shares
Q Quantedge Capital Pte Ltd Institution	$7.2M 25.8K shares
Union Bankshares Corp Institution	$1.1M 4.1K shares
Hara Capital LLC RIA/Wealth	$912.7K 3.3K shares
ISAM Funds Ltd Hedge Fund•Quant	$728.2K 2.6K shares
F Farringdon Capital, Ltd. Institution	$667.0K 2.4K shares
Optimize Financial Inc RIA/Wealth	$403.2K 1.4K shares
I Inscription Capital, LLC RIA/Wealth	$389.2K 1.4K shares

Exited Positions

Institution	Previous Position
Select Equity Group, L.P. Hedge Fund•Multi-Strategy	$61.8M 256.0K shares
S SCOPIA CAPITAL MANAGEMENT LLC Hedge Fund•Long/Short	$22.9M 94.7K shares
F Freestone Grove Partners LP Hedge Fund•Multi-Strategy	$17.8M 73.6K shares
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$5.0M 20.6K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$3.6M 15.1K shares
X XTX Topco Ltd Institution	$3.1M 12.8K shares
S SIH Partners, LLLP Institution	$2.4M 10.0K shares
T TEXAS PERMANENT SCHOOL FUND Institution	$2.3M 9.6K shares
C Capula Management Ltd Institution	$2.0M 8.3K shares
DAVENPORT & Co LLC RIA/Wealth	$1.1M 4.7K shares

Options Activity

Institutions with the largest Call and Put options positions in BIO and BIO.B as of Q3 2025

Call Positions: 3
Call Value: $1.7M
Put Positions: 3
Put Value: $925.3K

Call Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$841.2K 30.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$841.2K 30.0 contracts
C Cubist Systematic Strategies, LLC Institution	- - contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$644.9K 23.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$280.4K 10.0 contracts
J JANE STREET GROUP, LLC Institution	- - contracts

Most Committed Institutions

Institutions with BIO and BIO.B as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
QVIDTVM Management LLC Hedge Fund•Value	Burak Nmn Alici CEO	38.62% $35.5M	0.47% 126.5K shares	Q3 2023 Held for 2y 2m	$91.8M
J JNE Partners LLP Institution	-	10.99% $25.8M	0.34% 92.1K shares	Q2 2025 Held for 5 months	$234.9M
T Tikvah Management LLC Institution	-	9.42% $31.1M	0.41% 111.1K shares	Q1 2022 Held for 3y 8m	$330.6M
H Hound Partners, LLC Hedge Fund•Long/Short	Douglas Edward Marks CFO	4.23% $29.2M	0.38% 104.0K shares	Q2 2022 Held for 3y 5m	$689.2M
Q Quantedge Capital Pte Ltd Institution	-	3.96% $7.2M	0.10% 25.8K shares	Q3 2025 Held for 2 months	$182.7M
R RK Asset Management, LLC Institution	-	3.70% $4.1M	0.05% 14.5K shares	Q3 2024 Held for 1y 2m	$110.0M
S SOUTHEASTERN ASSET MANAGEMENT INC/TN/ Long Only Manager	Raymond Eugene Glotzbach CEO	3.40% $66.5M	0.88% 237.3K shares	Q2 2023 Held for 2y 5m	$2.0B
A AYAL Capital Advisors Ltd Institution	-	2.83% $4.9M	0.06% 17.5K shares	Q3 2025 Held for 2 months	$173.4M
Veritas Asset Management LLP Long Only Manager	Antony Paul Burgess Managing Partner	2.53% $236.7M	3.12% 844.0K shares	Q2 2022 Held for 3y 5m	$9.4B
MANGROVE PARTNERS Hedge Fund•Multi-Strategy	Nathaniel Hall August President	2.50% $35.6M	0.47% 126.9K shares	Q3 2025 Held for 2 months	$1.4B

Hedge Fund Spotlight

Discover hedge funds investing in BIO and BIO.B

Portolan Capital Management, LLC

Hedge Fund • Long/Short

Portfolio ManagerGeorge Frederic Mccabe

Portfolio Value: $1.8B
Positions: 119
Last Reported: Q3 2025

Sector Allocation

Position in Bio-Rad Laboratories

BIO and BIO.B

Market Value: $662.7M
Shares Held: 2.2M
Portfolio Weight: 96.74%
Owned Since: 2014-Q2

Top Holding	Sector	Market Value	Weight
1 Modine Manufacturing MOD	Auto - Parts Consumer Cyclical	$85.6M	4.63%
2 TTM Technologies TTMI	Hardware, Equipment & Parts Technology	$68.5M	3.71%
3 e.l.f. Beauty ELF	Household & Personal Products Consumer Defensive	$64.6M	3.49%