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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.

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

Top Sellers

1
Point72 Asset Management
Point72 Asset Management
Connecticut
$8.43M
2
Select Equity Group
Select Equity Group
New York
$64.6M
3
Westfield Capital Management
Westfield Capital Management
Massachusetts
$32.8M
4
VanEck Associates
VanEck Associates
New York
$145M
5
WCM
Wedge Capital Management
North Carolina
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
RAM
151
Resona Asset Management
Japan
$1.36M -$5.11K -21 -0.4%
Nomura Asset Management
152
Nomura Asset Management
Japan
$1.35M – – –
AAS
153
Avantax Advisory Services
Texas
$1.34M +$280K +1,151 +27%
LSERS
154
Louisiana State Employees Retirement System
Louisiana
$1.32M +$24.4K +100 +2%
LPL Financial
155
LPL Financial
California
$1.31M +$43.6K +179 +3%
American Century Companies
156
American Century Companies
Missouri
$1.31M -$57.5K -236 -4%
FF
157
Farnam Financial
Arizona
$1.23M -$356K -1,463 -22%
SOMRS
158
State of Michigan Retirement System
Michigan
$1.22M – – –
Osaic Holdings
159
Osaic Holdings
Arizona
$1.17M -$394K -1,619 -25%
Vontobel Holding
160
Vontobel Holding
Switzerland
$1.17M +$224K +918 +24%
Toronto Dominion Bank
161
Toronto Dominion Bank
Ontario, Canada
$1.15M +$168K +690 +17%
COPPSERS
162
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$1.12M +$86.2K +354 +8%
XT
163
XTX Topco
Cayman Islands
$1.11M +$638K +2,618 +134%
Thrivent Financial for Lutherans
164
Thrivent Financial for Lutherans
Minnesota
$1.1M -$2.92K -12 -0.3%
Stifel Financial
165
Stifel Financial
Missouri
$1.08M -$181K -742 -14%
SSA
166
Schonfeld Strategic Advisors
New York
$1.08M +$1.08M +4,430 New
Assenagon Asset Management
167
Assenagon Asset Management
Luxembourg
$1.08M +$1.08M +4,425 New
NMIMC
168
Northwestern Mutual Investment Management Company
Wisconsin
$1.04M +$1.22K +5 +0.1%
LA
169
LBP AM
France
$1.04M -$32.4K -133 -3%
Massachusetts Financial Services
170
Massachusetts Financial Services
Massachusetts
$1.04M +$162K +665 +18%
OA
171
Oak Associates
Ohio
$1M – – –
First Manhattan
172
First Manhattan
New York
$1,000K -$146K -600 -13%
Korea Investment Corp
173
Korea Investment Corp
South Korea
$989K +$24.4K +100 +3%
PS
174
Principal Securities
Iowa
$984K – – –
PL
175
Polianta Ltd
Jersey
$974K – – –
5 6
7
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