We are live on ! Find out more
BIO icon

Bio-Rad Laboratories Class A

391 hedge funds and large institutions have $5.57B invested in Bio-Rad Laboratories Class A in 2026 Q1 according to their latest regulatory filings, with 63 funds opening new positions, 142 increasing their positions, 99 reducing their positions, and 60 closing their positions.

New
Increased
Maintained
Reduced
Closed

999% more call options, than puts

Call options by funds: $8.59M | Put options by funds: $781K

43% more repeat investments, than reductions

Existing positions increased: 142 | Existing positions reduced: 99

25% more funds holding in top 10

Funds holding in top 10: 45 (+1)

2.27% more ownership

Funds ownership: 88.86%91.13% (+2.3%)

5% more first-time investments, than exits

New positions opened: 63 | Existing positions closed: 60

1% less funds holding

Funds holding: 396391 (-5)

5% less capital invested

Capital invested by funds: $5.89B → $5.57B (-$318M)

Holders
391
Holders Change
-5
Holders Change %
-1.26%
% of All Funds
4.82%
Holding in Top 10
5
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+25%
% of All Funds
0.06%
New
63
Increased
142
Reduced
99
Closed
60
Calls
$8.59M
Puts
$781K
Net Calls
+$7.8M
Net Calls Change
+$770K
Name Holding Trade Value Shares
Change
Change in
Stake
TSW
26
Thompson Siegel & Walmsley
Virginia
$49.2M -$4.46M -15,496 -8%
GKIM
27
GW&K Investment Management
Massachusetts
$48.7M -$684K -2,375 -1%
Franklin Resources
28
Franklin Resources
California
$47.5M +$9.54M +33,137 +24%
SAM
29
Southeastern Asset Management
Tennessee
$45.4M -$18.7M -64,826 -28%
GAM
30
Gotham Asset Management
New York
$42.5M +$10.2M +35,366 +30%
Citadel Advisors
31
Citadel Advisors
Florida
$41.4M +$40.1M +139,189 +1,468%
Assenagon Asset Management
32
Assenagon Asset Management
Luxembourg
$41.2M +$41.9M +145,623 +6,586%
FGP
33
Freestone Grove Partners
California
$41.1M +$10.7M +37,081 +34%
Bank of New York Mellon
34
Bank of New York Mellon
New York
$35.4M -$719K -2,498 -2%
MP
35
Mangrove Partners
Connecticut
$35.4M
CBU
36
CIBC Bancorp USA
Illinois
$33.5M +$34.6M +120,120 New
Fisher Asset Management
37
Fisher Asset Management
Washington
$33.1M -$3.57M -12,411 -9%
VFT
38
Vanguard Fiduciary Trust
Pennsylvania
$31.7M +$32.7M +113,639 New
Allianz Asset Management
39
Allianz Asset Management
Germany
$30.7M +$10.7K +37 +0%
Federated Hermes
40
Federated Hermes
Pennsylvania
$30.6M -$1.16M -4,034 -4%
Envestnet Asset Management
41
Envestnet Asset Management
Illinois
$29.4M +$3.11M +10,800 +11%
Acadian Asset Management
42
Acadian Asset Management
Massachusetts
$28.6M -$5.14M -17,834 -15%
Manulife (Manufacturers Life Insurance)
43
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$27.8M -$6.58M -22,854 -19%
TM
44
Tikvah Management
North Carolina
$27.3M -$3.82M -13,250 -12%
HP
45
Hound Partners
New York
$27.2M +$15.7M +54,456 +126%
JP Morgan Chase
46
JP Morgan Chase
New York
$26.9M +$13M +45,272 +84%
BTW
47
Boston Trust Walden
Massachusetts
$26.1M +$1.05M +3,657 +4%
AQR Capital Management
48
AQR Capital Management
Connecticut
$26M +$15.7M +54,354 +135%
JP
49
JNE Partners
United Kingdom
$25.7M
IG
50
ING Group
Netherlands
$25.1M +$25.9M +90,000 New