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Standard BioTools
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Overview Fund Activity

158 hedge funds and large institutions have $336M invested in Standard BioTools in 2025 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 47 increasing their positions, 45 reducing their positions, and 13 closing their positions.

Holders
158
Holders Change
+11
Holders Change %
+7.48%
% of All Funds
2.12%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
28
Increased
47
Reduced
45
Closed
13
Calls
$68K
Puts
$49K
Net Calls
+$19K
Net Calls Change
+$75K

Top Buyers

1
LFCM
1
Long Focus Capital Management
Puerto Rico
$12.1M
2
MCO
2
MAK Capital One
New York
$6.72M
3
KLP
3
Kent Lake PR
Puerto Rico
$1.2M
4
Goldman Sachs
4
Goldman Sachs
New York
$1.58M
5
RA
5
Royce & Associates
New York
$3.16M

Top Sellers

1
Morgan Stanley
1
Morgan Stanley
New York
$7.47M
2
Millennium Management
2
Millennium Management
New York
$2.83M
3
TM
3
Tikvah Management
North Carolina
$6.06M
4
Primecap Management
4
Primecap Management
California
$347K
5
GCP
5
GSA Capital Partners
United Kingdom
$368K
Name Market Value Shares Shares
Change 		Shares
Change %
KLP
26
Kent Lake PR
Puerto Rico
$1.2M 1,000,000 +1,000,000 New
Bank of New York Mellon
27
Bank of New York Mellon
New York
$933K 777,737 +44,868 +6%
UBS AM
28
UBS AM
Illinois
$892K 743,672 +189,469 +34%
NL
29
Nuveen LLC
North Carolina
$789K 657,212 -141,270 -18%
AQR Capital Management
30
AQR Capital Management
Connecticut
$734K 612,063 +129,151 +27%
RhumbLine Advisers
31
RhumbLine Advisers
Massachusetts
$568K 472,981 +60,220 +15%
Swiss National Bank
32
Swiss National Bank
Switzerland
$565K 470,660 +32,700 +7%
Qube Research & Technologies (QRT)
33
Qube Research & Technologies (QRT)
United Kingdom
$529K 441,101 +20,979 +5%
NIM
34
Needham Investment Management
New York
$521K 434,435 -100,000 -19%
TCM
35
Tang Capital Management
California
$489K 407,755 – –
IP
36
Intellectus Partners
California
$486K 404,702 – –
UBS Group
37
UBS Group
Switzerland
$453K 377,871 -29,117 -7%
Citadel Advisors
38
Citadel Advisors
Florida
$419K 349,160 +349,160 New
Rockefeller Capital Management
39
Rockefeller Capital Management
New York
$409K 341,224 +16,544 +5%
AllianceBernstein
40
AllianceBernstein
Tennessee
$379K 315,690 – –
Legal & General Group
41
Legal & General Group
United Kingdom
$373K 310,435 +63,484 +26%
JJ
42
Johnson & Johnson
New Jersey
$371K 311,967 – –
GCP
43
GSA Capital Partners
United Kingdom
$368K 306,487 -302,169 -50%
Primecap Management
44
Primecap Management
California
$347K 288,774 -343,300 -54%
HighTower Advisors
45
HighTower Advisors
Illinois
$269K 224,213 +121,422 +118%
Deutsche Bank
46
Deutsche Bank
Germany
$261K 217,251 -15,099 -6%
T. Rowe Price Associates
47
T. Rowe Price Associates
Maryland
$252K 209,661 +14,193 +7%
Wells Fargo
48
Wells Fargo
California
$247K 205,535 +22,640 +12%
GAG
49
GM Advisory Group
New York
$240K 200,000 – –
California State Teachers Retirement System (CalSTRS)
50
California State Teachers Retirement System (CalSTRS)
California
$230K 191,898 -21,368 -10%
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