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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 %
Northern Trust
26
Northern Trust
Illinois
$2.13M -$13.8K -2,081 -0.6%
Charles Schwab
27
Charles Schwab
California
$1.99M +$41.1K +6,184 +2%
State of Wisconsin Investment Board
28
State of Wisconsin Investment Board
Wisconsin
$1.93M +$1.08M +161,751 +126%
Citigroup
29
Citigroup
New York
$1.87M +$1.69M +254,082 +959%
JPMorgan Chase & Co
30
JPMorgan Chase & Co
New York
$1.73M -$183K -27,580 -10%
Goldman Sachs
31
Goldman Sachs
New York
$1.69M -$638K -95,876 -27%
Two Sigma Investments
32
Two Sigma Investments
New York
$1.61M +$709K +106,674 +78%
Envestnet Asset Management
33
Envestnet Asset Management
Illinois
$1.54M -$1.79M -268,797 -54%
Royal Bank of Canada
34
Royal Bank of Canada
Ontario, Canada
$1.48M +$339K +50,949 +30%
SPS
35
Susquehanna Portfolio Strategies
Pennsylvania
$1.05M +$1.05M +158,532 New
Jane Street
36
Jane Street
New York
$931K +$543K +81,651 +140%
Wells Fargo
37
Wells Fargo
California
$923K +$627K +94,357 +213%
Two Sigma Advisers
38
Two Sigma Advisers
New York
$907K +$818K +123,000 +915%
JF
39
Jump Financial
Illinois
$842K +$141K +21,184 +20%
Fidelity Investments
40
Fidelity Investments
Massachusetts
$842K +$191K +28,692 +29%
EFMC
41
Empire Financial Management Company
New York
$824K +$492K +73,980 +148%
CSS
42
Cubist Systematic Strategies
Connecticut
$785K -$1.13M -169,188 -59%
Bank of New York Mellon
43
Bank of New York Mellon
New York
$744K +$54.6K +8,207 +8%
VA
44
Valmark Advisers
Ohio
$701K -$927K -139,472 -57%
Renaissance Technologies
45
Renaissance Technologies
New York
$686K -$663K -99,721 -49%
AQR Capital Management
46
AQR Capital Management
Connecticut
$587K -$71.4K -10,731 -11%
American Century Companies
47
American Century Companies
Missouri
$573K +$47.1K +7,085 +9%
Barclays
48
Barclays
United Kingdom
$525K +$160K +24,119 +44%
Invesco
49
Invesco
Georgia
$500K +$140K +21,002 +39%
NL
50
Nuveen LLC
North Carolina
$475K -$2.29M -343,923 -83%
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