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Bio-Rad Laboratories Class A
BIO

Overview Fund Activity

429 hedge funds and large institutions have $4.68B invested in Bio-Rad Laboratories Class A in 2025 Q1 according to their latest regulatory filings, with 69 funds opening new positions, 134 increasing their positions, 164 reducing their positions, and 83 closing their positions.

Holders
429
Holders Change
-20
Holders Change %
-4.45%
% of All Funds
5.83%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
69
Increased
134
Reduced
164
Closed
83
Calls
$3.6M
Puts
$3.77M
Net Calls
-$169K
Net Calls Change
-$1.45M

Top Buyers

1
First Eagle Investment Management
1
First Eagle Investment Management
New York
$381M
2
FPA
2
First Pacific Advisors
California
$90.7M
3
AI
3
Ariel Investments
Illinois
$176M
4
HP
4
Hound Partners
New York
$49.1M
5
UBS Group
5
UBS Group
Switzerland
$53M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$8.43M
2
Select Equity Group
2
Select Equity Group
New York
$64.6M
3
Norges Bank
3
Norges Bank
Norway
$0
4
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$32.8M
5
VanEck Associates
5
VanEck Associates
New York
$145M
Name Market Value Shares Shares
Change 		Shares
Change %
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$6.38M 26,204 +307 +1%
WAM
77
Winslow Asset Management
Ohio
$5.82M 23,892 -328 -1%
Wells Fargo
78
Wells Fargo
California
$5.75M 23,623 -16,716 -41%
Retirement Systems of Alabama
79
Retirement Systems of Alabama
Alabama
$5.71M 23,455 +42 +0.2%
Amundi
80
Amundi
France
$5.48M 23,336 +3,294 +16%
PCM
81
Portolan Capital Management
Massachusetts
$5.29M 21,740 -8,846 -29%
BG
82
Bellevue Group
Switzerland
$5.23M 21,476 -12,075 -36%
CF
83
Corebridge Financial
Texas
$5.18M 21,283 -501 -2%
State Board of Administration of Florida Retirement System
84
State Board of Administration of Florida Retirement System
Florida
$4.71M 19,344 -890 -4%
D.E. Shaw & Co
85
D.E. Shaw & Co
New York
$4.61M 18,925 -5,700 -23%
AQR Capital Management
86
AQR Capital Management
Connecticut
$4.43M 18,579 -10,801 -37%
New York State Teachers Retirement System (NYSTRS)
87
New York State Teachers Retirement System (NYSTRS)
New York
$4.26M 17,500 +200 +1%
Zurich Cantonal Bank
88
Zurich Cantonal Bank
Switzerland
$4M 16,440 +5,852 +55%
Allianz Asset Management
89
Allianz Asset Management
Germany
$3.98M 16,346 +16,346 New
Comerica Bank
90
Comerica Bank
Texas
$3.81M 15,654 -44,121 -74%
Raymond James Financial
91
Raymond James Financial
Florida
$3.7M 15,172 -409 -3%
Mitsubishi UFJ Asset Management
92
Mitsubishi UFJ Asset Management
Japan
$3.67M 15,082 – –
State of Wisconsin Investment Board
93
State of Wisconsin Investment Board
Wisconsin
$3.53M 14,492 -861 -6%
Canada Life
94
Canada Life
Manitoba, Canada
$3.52M 14,426 -1,468 -9%
RAM
95
RK Asset Management
Michigan
$3.51M 14,389 -237 -2%
Pictet Asset Management
96
Pictet Asset Management
Switzerland
$3.49M 14,332 +1,214 +9%
BGIM
97
Brandywine Global Investment Management
Pennsylvania
$3.47M 14,234 -290 -2%
SGA
98
Sector Gamma AS
Norway
$3.37M 13,829 -3,000 -18%
CS
99
Candriam SCA
Luxembourg
$3.29M 13,504 -20,243 -60%
Citadel Advisors
100
Citadel Advisors
Florida
$3.12M 12,811 +11,947 +1,383%
2 3
4
5 6