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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
CIM
426
Contravisory Investment Management
Massachusetts
-$421K -1,730 Closed
GIBU
427
Gulf International Bank (UK)
United Kingdom
-$417K -1,715 Closed
TAF
428
Tredje AP-fonden
Sweden
-$410K -1,684 Closed
Daiwa Securities Group
429
Daiwa Securities Group
Japan
-$400K -1,641 Closed
LAM
430
LECAP Asset Management
United Kingdom
-$390K -1,600 Closed
PP
431
Prudential plc
United Kingdom
-$356K -1,460 Closed
Macquarie Group
432
Macquarie Group
Australia
-$294K -1,207 Closed
USAA
433
United Services Automobile Association
Texas
-$292K -1,202 Closed
Royal London Asset Management
434
Royal London Asset Management
United Kingdom
-$283K -1,163 Closed
QC
435
Quadrature Capital
United Kingdom
-$259K -1,064 Closed
A
436
AlphaQuest
New York
-$243K -996 Closed
TMAM
437
Tokio Marine Asset Management
Japan
-$242K -994 Closed
OAM
438
Ostrum Asset Management
France
-$224K -918 Closed
EOJOAM
439
E. Ohman J:or Asset Management
Sweden
-$219K -900 Closed
CWM
440
CIBC World Markets
New York
-$216K -887 Closed
KAS
441
Kestra Advisory Services
Texas
-$208K -854 Closed
YIH
442
Y-Intercept (HK)
Hong Kong
-$206K -847 Closed
MGP
443
Metis Global Partners
California
-$202K -831 Closed
BAMF
444
BI Asset Management Fondsmaeglerselskab
Denmark
-$161K -661 Closed
CCM
445
Coldstream Capital Management
Washington
-$156K -642 Closed
Twin Tree Management
446
Twin Tree Management
Texas
-$87K -357 Closed
MG
447
Mather Group
Illinois
-$75.7K -311 Closed
PHK
448
Point72 Hong Kong
Hong Kong
-$69.7K -286 Closed
LS
449
Livforsakringsbolaget Skandia
Sweden
-$66K -271 Closed
SFI
450
Siemens Fonds Invest
Germany
-$55.5K -228 Closed

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.