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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
First Eagle Investment Management
1
First Eagle Investment Management
New York
$607M +$225M +951,123 +61%
Vanguard Group
2
Vanguard Group
Pennsylvania
$446M -$15.5M -65,614 -3%
BlackRock
3
BlackRock
New York
$425M -$61.2M -259,061 -13%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$241M +$29M +122,528 +14%
VAM
5
Veritas Asset Management
United Kingdom
$208M -$11.8M -49,981 -5%
AI
6
Ariel Investments
Illinois
$198M +$22.2M +93,964 +13%
EARNEST Partners
7
EARNEST Partners
Georgia
$146M +$1.48M +6,265 +1%
State Street
8
State Street
Massachusetts
$141M -$26M -110,154 -16%
Bank of America
9
Bank of America
North Carolina
$109M +$5.1M +21,594 +5%
FPA
10
First Pacific Advisors
California
$93.4M +$3.4M +14,394 +4%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$80.6M -$2.08M -8,806 -3%
Parnassus Investments
12
Parnassus Investments
California
$76.6M -$211K -893 -0.3%
SAM
13
Southeastern Asset Management
Tennessee
$76.1M -$2.01M -8,520 -3%
TSW
14
Thompson Siegel & Walmsley
Virginia
$73.9M +$6.3M +26,643 +10%
Mawer Investment Management
15
Mawer Investment Management
Alberta, Canada
$64.5M -$6.56M -27,771 -9%
SEI Investments
16
SEI Investments
Pennsylvania
$64M +$2.79M +11,823 +5%
Select Equity Group
17
Select Equity Group
New York
$61.8M -$2.17M -9,191 -3%
Millennium Management
18
Millennium Management
New York
$60.8M -$19.9M -84,204 -25%
Northern Trust
19
Northern Trust
Illinois
$54.7M -$8.18M -34,617 -13%
DM
20
Deerfield Management
New York
$54.6M
UBS Group
21
UBS Group
Switzerland
$48.4M -$3.99M -16,872 -8%
Charles Schwab
22
Charles Schwab
California
$47.7M -$1.31M -5,560 -3%
HP
23
Hound Partners
New York
$43.9M -$4.69M -19,847 -10%
Morgan Stanley
24
Morgan Stanley
New York
$41M -$6.27M -26,521 -13%
Royal Bank of Canada
25
Royal Bank of Canada
Ontario, Canada
$36.6M +$28.7M +121,248 +400%

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.