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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
NMIMC
151
Northwestern Mutual Investment Management Company
Wisconsin
$1M -$31K -131 -3%
KK
152
KLP Kapitalforvaltning
Norway
$989K -$709K -3,000 -42%
First Manhattan
153
First Manhattan
New York
$981K -$9.46K -40 -1%
Verition Fund Management
154
Verition Fund Management
Connecticut
$975K +$58.4K +247 +7%
SC
155
Skylands Capital
Wisconsin
$965K +$827K +3,500 +700%
PL
156
Polianta Ltd
Jersey
$965K
NMERB
157
New Mexico Educational Retirement Board
New Mexico
$941K
BNP Paribas Financial Markets
158
BNP Paribas Financial Markets
France
$926K -$1.09M -4,615 -55%
OPERF
159
Oregon Public Employees Retirement Fund
Oregon
$921K -$23.6K -100 -3%
FF
160
Farnam Financial
Arizona
$916K -$295K -1,247 -25%
Russell Investments Group
161
Russell Investments Group
United Kingdom
$910K -$500K -2,115 -36%
Massachusetts Financial Services
162
Massachusetts Financial Services
Massachusetts
$899K -$127K -536 -13%
TI
163
Tidal Investments
Wisconsin
$880K -$3.78K -16 -0.4%
AIP
164
Ameritas Investment Partners
Nebraska
$871K -$42.8K -181 -5%
CIM
165
CIM Investment Management
Pennsylvania
$869K +$360K +1,521 +100%
CC
166
Clearline Capital
New York
$853K
Teacher Retirement System of Texas
167
Teacher Retirement System of Texas
Texas
$823K +$133K +562 +20%
Osaic Holdings
168
Osaic Holdings
Arizona
$815K -$336K -1,421 -30%
Jacobs Levy Equity Management
169
Jacobs Levy Equity Management
New Jersey
$808K
D.E. Shaw & Co
170
D.E. Shaw & Co
New York
$796K -$3.69M -15,625 -83%
JFG
171
Jefferies Financial Group
New York
$796K +$780K +3,300 New
AI
172
Atria Investments
North Carolina
$771K +$295K +1,248 +64%
BCI
173
Brinker Capital Investments
Pennsylvania
$771K -$51.3K -217 -6%
PCP
174
Perbak Capital Partners
United Kingdom
$762K +$528K +2,234 +242%
VPIM
175
Vanguard Personalized Indexing Management
California
$730K +$213K +900 +42%

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.