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Bio-Rad Laboratories Class A

383 hedge funds and large institutions have $4.63B invested in Bio-Rad Laboratories Class A in 2025 Q2 according to their latest regulatory filings, with 53 funds opening new positions, 113 increasing their positions, 169 reducing their positions, and 101 closing their positions.

New
Increased
Maintained
Reduced
Closed

25% more funds holding in top 10

Funds holding in top 10: 45 (+1)

1.78% more ownership

Funds ownership: 84.91%86.68% (+1.8%)

2% less capital invested

Capital invested by funds: $4.71B → $4.63B (-$81.7M)

12% less funds holding

Funds holding: 435383 (-52)

33% less repeat investments, than reductions

Existing positions increased: 113 | Existing positions reduced: 169

48% less first-time investments, than exits

New positions opened: 53 | Existing positions closed: 101

67% less call options, than puts

Call options by funds: $2.94M | Put options by funds: $8.81M

Holders
383
Holders Change
-52
Holders Change %
-11.95%
% of All Funds
5.04%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.07%
New
53
Increased
113
Reduced
169
Closed
101
Calls
$2.94M
Puts
$8.81M
Net Calls
-$5.87M
Net Calls Change
-$5.7M
Name Holding Trade Value Shares
Change
Change in
Stake
WAM
76
Winslow Asset Management
Ohio
$5.56M -$205K -866 -4%
Retirement Systems of Alabama
77
Retirement Systems of Alabama
Alabama
$5.49M -$171K -723 -3%
Raymond James Financial
78
Raymond James Financial
Florida
$5.45M +$1.75M +7,402 +49%
AllianceBernstein
79
AllianceBernstein
Tennessee
$5.44M -$920K -3,892 -15%
BHCM
80
Brevan Howard Capital Management
Jersey
$5.26M +$5.16M +21,814 New
AssetMark Inc
81
AssetMark Inc
California
$5.11M +$2.84M +12,023 +131%
Capital Fund Management (CFM)
82
Capital Fund Management (CFM)
France
$4.97M +$4.87M +20,591 New
Barclays
83
Barclays
United Kingdom
$4.79M -$2.36M -10,001 -34%
State Board of Administration of Florida Retirement System
84
State Board of Administration of Florida Retirement System
Florida
$4.78M +$111K +468 +2%
Wells Fargo
85
Wells Fargo
California
$4.57M -$1.1M -4,669 -20%
SGH
86
Sivik Global Healthcare
Connecticut
$4.34M +$4.26M +18,000 New
California State Teachers Retirement System (CalSTRS)
87
California State Teachers Retirement System (CalSTRS)
California
$4.32M -$1.96M -8,283 -32%
SGA
88
Sector Gamma AS
Norway
$4.3M +$946K +4,000 +29%
New York State Teachers Retirement System (NYSTRS)
89
New York State Teachers Retirement System (NYSTRS)
New York
$4.22M
ACM
90
Aquatic Capital Management
Illinois
$4.17M +$2.18M +9,231 +115%
UBS AM
91
UBS AM
Illinois
$4.04M -$86.5M -366,058 -96%
State of Wisconsin Investment Board
92
State of Wisconsin Investment Board
Wisconsin
$3.89M +$381K +1,610 +11%
JG
93
Jain Global
New York
$3.64M +$1.25M +5,270 +54%
RAM
94
RK Asset Management
Michigan
$3.5M +$26.7K +113 +0.8%
Comerica Bank
95
Comerica Bank
Texas
$3.49M -$278K -1,178 -8%
CP
96
CenterBook Partners
Connecticut
$3.46M -$2.91M -12,301 -46%
ETC
97
Exchange Traded Concepts
Oklahoma
$3.36M +$1.82M +7,697 +123%
Canada Life
98
Canada Life
Manitoba, Canada
$3.17M -$311K -1,317 -9%
LPL Financial
99
LPL Financial
California
$3.16M +$1.82M +7,717 +144%
XT
100
XTX Topco
Cayman Islands
$3.08M +$1.94M +8,207 +180%

BIO Hedge Fund Activity: Q2 2025 in Review

383 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Bio-Rad Laboratories Class A (BIO) for Q2 2025, worth a combined $4.63B — down 1.7% from $4.71B a quarter earlier.

Sellers outnumbered buyers: 101 funds closed out of BIO and 53 opened new positions — a net loss of 48 holders — while 169 trimmed existing stakes and 113 added.

The largest buyer was First Eagle Investment Management, adding an estimated $225M. The largest seller was VanEck Associates, cutting an estimated $132M.

  • 383 institutional investors held Bio-Rad Laboratories Class A (BIO) as of Q2 2025, down from 435 in Q1 2025.
  • Funds reported $4.63B of Bio-Rad Laboratories Class A stock for Q2 2025, down 1.7% quarter-over-quarter.
  • 53 funds opened new Bio-Rad Laboratories Class A positions in Q2 2025 and 101 closed out, a net change of -48 holders.
  • The largest Bio-Rad Laboratories Class A buyer in Q2 2025 was First Eagle Investment Management, an estimated $225M added.
  • The largest Bio-Rad Laboratories Class A seller in Q2 2025 was VanEck Associates, an estimated $132M sold.

Based on aggregated 13F filings for Q2 2025.