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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
DB
401
Danske Bank
Denmark
-$1.29M -5,283 Closed
Vontobel Holding
402
Vontobel Holding
Switzerland
-$1.17M -4,796 Closed
LA
403
LBP AM
France
-$1.04M -4,264 Closed
OA
404
Oak Associates
Ohio
-$1M -4,107 Closed
Korea Investment Corp
405
Korea Investment Corp
South Korea
-$989K -4,060 Closed
HSBC Holdings
406
HSBC Holdings
United Kingdom
-$964K -3,977 Closed
AC
407
Armistice Capital
New York
-$932K -3,827 Closed
Skandinaviska Enskilda Banken (SEB)
408
Skandinaviska Enskilda Banken (SEB)
Sweden
-$909K -3,731 Closed
BCIM
409
British Columbia Investment Management
British Columbia, Canada
-$908K -3,727 Closed
FAF
410
Fjarde Ap-fonden
Sweden
-$896K -3,680 Closed
DnB Asset Management
411
DnB Asset Management
Norway
-$892K -3,661 Closed
Schroder Investment Management Group
412
Schroder Investment Management Group
United Kingdom
-$877K -3,611 Closed
II
413
IFM Investors
Australia
-$784K -3,219 Closed
WorldQuant Millennium Advisors
414
WorldQuant Millennium Advisors
New York
-$733K -3,009 Closed
Swedbank
415
Swedbank
Sweden
-$731K -3,002 Closed
CAU
416
Caxton Associates (UK)
-$730K -2,998 Closed
Mariner
417
Mariner
Kansas
-$596K -2,449 Closed
PI
418
PineBridge Investments
New York
-$596K -2,449 Closed
NAM
419
Nissay Asset Management
Japan
-$590K -2,422 Closed
Wellington Management Group
420
Wellington Management Group
Massachusetts
-$575K -2,359 Closed
OAM
421
OP Asset Management
-$550K -2,257 Closed
I
422
InceptionR
California
-$518K -2,127 Closed
Nordea Investment Management
423
Nordea Investment Management
Sweden
-$489K -2,067 Closed
ACA
424
Anchor Capital Advisors
Massachusetts
-$477K -1,960 Closed
SMDAM
425
Sumitomo Mitsui DS Asset Management
Japan
-$430K -1,764 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.