We are live on ! Find out more
BIO icon

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
Allianz Asset Management
51
Allianz Asset Management
Germany
$13.1M +$8.96M +37,893 +232%
HP
52
Hosking Partners
United Kingdom
$13.1M -$92.9K -393 -0.7%
JP Morgan Chase
53
JP Morgan Chase
New York
$13M -$830K -3,512 -6%
Acadian Asset Management
54
Acadian Asset Management
Massachusetts
$12.4M -$5.21M -22,021 -30%
RhumbLine Advisers
55
RhumbLine Advisers
Massachusetts
$12.1M -$1.24M -5,265 -10%
T. Rowe Price Investment Management
56
T. Rowe Price Investment Management
Maryland
$11.6M +$11.4M +48,198 New
Legal & General Group
57
Legal & General Group
United Kingdom
$10.7M -$3.28M -13,858 -24%
Principal Financial Group
58
Principal Financial Group
Iowa
$10.2M -$505K -2,136 -5%
VanEck Associates
59
VanEck Associates
New York
$9.71M -$132M -556,476 -93%
GF
60
Gabelli Funds
New York
$9.6M -$118K -500 -1%
Natixis Advisors
61
Natixis Advisors
Massachusetts
$9.4M +$2.91M +12,296 +46%
Invesco
62
Invesco
Georgia
$9.15M -$487K -2,061 -5%
Swiss National Bank
63
Swiss National Bank
Switzerland
$8.98M -$4.21M -17,800 -32%
T. Rowe Price Associates
64
T. Rowe Price Associates
Maryland
$8.89M +$1.74M +7,348 +25%
AL
65
Arnhold LLC
New York
$8.39M +$8.22M +34,784 New
California Public Employees Retirement System
66
California Public Employees Retirement System
California
$7.77M -$303K -1,283 -4%
Victory Capital Management
67
Victory Capital Management
Texas
$7.36M +$175K +740 +2%
N
68
Nuveen
North Carolina
$7.18M -$28.7M -121,467 -80%
PCM
69
Prelude Capital Management
New York
$7.06M -$206K -870 -3%
IPAM
70
ICICI Prudential Asset Management
India
$6.83M
AQR Capital Management
71
AQR Capital Management
Connecticut
$6.8M +$2.27M +9,610 +52%
Ameriprise
72
Ameriprise
Minnesota
$6.61M -$1.04M -4,387 -14%
GI
73
GAMCO Investors
Connecticut
$6.46M
TRSOTSOK
74
Teachers Retirement System of the State of Kentucky
Kentucky
$6.43M
Arrowstreet Capital
75
Arrowstreet Capital
Massachusetts
$5.79M +$5.67M +23,977 New

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.