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Bio-Rad Laboratories Class A

435 hedge funds and large institutions have $4.71B invested in Bio-Rad Laboratories Class A in 2025 Q1 according to their latest regulatory filings, with 67 funds opening new positions, 137 increasing their positions, 166 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

2.94% more ownership

Funds ownership: 81.97%84.91% (+2.9%)

0% more funds holding in top 10

Funds holding in top 10: 44 (0)

4% less call options, than puts

Call options by funds: $3.6M | Put options by funds: $3.77M

5% less funds holding

Funds holding: 456435 (-21)

17% less repeat investments, than reductions

Existing positions increased: 137 | Existing positions reduced: 166

19% less first-time investments, than exits

New positions opened: 67 | Existing positions closed: 83

24% less capital invested

Capital invested by funds: $6.17B → $4.71B (-$1.46B)

Holders
435
Holders Change
-21
Holders Change %
-4.61%
% 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
67
Increased
137
Reduced
166
Closed
83
Calls
$3.6M
Puts
$3.77M
Net Calls
-$169K
Net Calls Change
-$1.45M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$492M +$3.03M +10,071 +0.5%
Vanguard Group
2
Vanguard Group
Pennsylvania
$466M -$2.3M -7,651 -0.4%
First Eagle Investment Management
3
First Eagle Investment Management
New York
$381M +$257M +852,685 +120%
VAM
4
Veritas Asset Management
United Kingdom
$222M -$19.2M -63,705 -7%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$214M +$39.4M +130,921 +18%
AI
6
Ariel Investments
Illinois
$176M +$49.4M +164,136 +29%
State Street
7
State Street
Massachusetts
$169M +$1.31M +4,355 +0.6%
EARNEST Partners
8
EARNEST Partners
Georgia
$146M -$5.54M -18,428 -3%
VanEck Associates
9
VanEck Associates
New York
$145M -$38.1M -126,741 -18%
Bank of America
10
Bank of America
North Carolina
$105M +$977K +3,247 +0.8%
UBS AM
11
UBS AM
Illinois
$93.2M -$1.75M -5,820 -1%
FPA
12
First Pacific Advisors
California
$90.7M +$64.6M +214,705 +136%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$83.4M +$6.31M +20,966 +7%
Millennium Management
14
Millennium Management
New York
$81.8M -$12.9M -43,025 -11%
SAM
15
Southeastern Asset Management
Tennessee
$78.9M +$4.61M +15,336 +5%
Parnassus Investments
16
Parnassus Investments
California
$77.5M +$2.18M +7,244 +2%
Mawer Investment Management
17
Mawer Investment Management
Alberta, Canada
$71.8M +$11.4M +37,952 +15%
TSW
18
Thompson Siegel & Walmsley
Virginia
$68.1M +$6.42M +21,336 +8%
Select Equity Group
19
Select Equity Group
New York
$64.6M -$58.8M -195,478 -42%
Northern Trust
20
Northern Trust
Illinois
$63.6M +$76.4K +254 +0.1%
SEI Investments
21
SEI Investments
Pennsylvania
$61.8M -$5.36M -17,825 -7%
DM
22
Deerfield Management
New York
$55.1M +$22.4M +74,426 +49%
UBS Group
23
UBS Group
Switzerland
$53M +$41.6M +138,350 +174%
Charles Schwab
24
Charles Schwab
California
$49.5M +$3.4M +11,313 +6%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$49.4M -$19.4M -64,493 -24%