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Quanterix
QTRX

Overview Fund Activity

137 hedge funds and large institutions have $231M invested in Quanterix in 2025 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 46 increasing their positions, 42 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
137
Holders Change
-12
Holders Change %
-8.05%
% of All Funds
1.84%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
25
Increased
46
Reduced
42
Closed
36
Calls
$7K
Puts
$15K
Net Calls
-$8K
Net Calls Change
-$61K

Top Buyers

1
Balyasny Asset Management
Balyasny Asset Management
Illinois
$5.11M
2
PCM
Portolan Capital Management
Massachusetts
$24.2M
3
BWLSA
Blue Water Life Science Advisors
California
$6.37M
4
Ameriprise
Ameriprise
Minnesota
$28.2M
5
PHP
Parkman Healthcare Partners
Connecticut
$3.43M

Top Sellers

1
PC
Pier Capital
Connecticut
$0
2
UBS Group
UBS Group
Switzerland
$2.56M
3
KLP
Kent Lake PR
Puerto Rico
$15.3M
4
ACM
Ashford Capital Management
Delaware
$0
5
TCM
Topline Capital Management
California
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Canada Pension Plan Investment Board
101
Canada Pension Plan Investment Board
Ontario, Canada
$20K -$47.9K -7,200 -71%
Carson Wealth (CWM LLC)
102
Carson Wealth (CWM LLC)
Nebraska
$19K +$4.34K +645 +30%
BIG
103
Brooklyn Investment Group
New York
$18.8K +$18.8K +2,831 New
California State Teachers Retirement System (CalSTRS)
104
California State Teachers Retirement System (CalSTRS)
California
$17.3K – – –
CUAMC
105
China Universal Asset Management Company
China
$12.6K – – –
Comerica Bank
106
Comerica Bank
Texas
$9.4K +$9.4K +1,414 New
RAM
107
Resona Asset Management
Japan
$9.22K -$5.32K -800 -37%
PNC Financial Services Group
108
PNC Financial Services Group
Pennsylvania
$8.2K +$1.94K +291 +31%
Raymond James Financial
109
Raymond James Financial
Florida
$8.01K +$8.01K +1,204 New
AB
110
Amalgamated Bank
New York
$8K – – –
IA
111
IFP Advisors
Florida
$7.42K -$33 – –
NA
112
NewEdge Advisors
Louisiana
$7.32K – – –
SCM
113
Sterling Capital Management
North Carolina
$5.81K +$2.23K +335 +62%
WSFS
114
Wilmington Savings Fund Society
Delaware
$5.32K – – –
AAP
115
Arax Advisory Partners
Colorado
$5.27K +$5.27K +793 New
T. Rowe Price Investment Management
116
T. Rowe Price Investment Management
Maryland
$4K +$4K +455 New
PB
117
Pinnacle Bancorp
Nebraska
$3.46K – – –
FFA
118
Farther Finance Advisors
California
$3.45K +$3.44K +518 +51,800%
A
119
AlphaQuest
New York
$2.23K – – –
GRP
120
Global Retirement Partners
California
$1.8K +$1.8K +270 New
FFO
121
Fortitude Family Office
Arizona
$1.8K +$1.8K +270 New
FGC
122
Financial Gravity Companies
Texas
$1.66K +$1.66K +250 New
CPA
123
Compass Planning Associates
Massachusetts
$1.64K – – –
EWA
124
EverSource Wealth Advisors
Alabama
$1.54K +$1.54K +231 New
Northwestern Mutual Wealth Management
125
Northwestern Mutual Wealth Management
Wisconsin
$1.53K +$1.53K +230 New
3 4
5
6 7