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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 %
GL
51
Graypoint LLC
New York
$432K – – –
Susquehanna International Group
52
Susquehanna International Group
Pennsylvania
$428K +$53.6K +8,059 +14%
CGL
53
Clarius Group LLC
Washington
$413K – – –
Bank of America
54
Bank of America
North Carolina
$411K -$503K -75,594 -55%
RhumbLine Advisers
55
RhumbLine Advisers
Massachusetts
$403K +$27.2K +4,094 +7%
MLM
56
Mount Lucas Management
Pennsylvania
$399K +$107K +16,163 +37%
LIA
57
Limestone Investment Advisors
New York
$373K +$373K +56,067 New
XT
58
XTX Topco
Cayman Islands
$373K +$219K +33,007 +143%
PP
59
PDT Partners
New York
$317K +$317K +47,668 New
AllianceBernstein
60
AllianceBernstein
Tennessee
$296K +$49.9K +7,500 +20%
QCM
61
Quantinno Capital Management
New York
$279K +$211K +31,664 +307%
T. Rowe Price Associates
62
T. Rowe Price Associates
Maryland
$264K +$11.1K +1,665 +4%
CDIEC
63
Crédit Industriel et Commercial
France
$233K – – –
BNP Paribas Financial Markets
64
BNP Paribas Financial Markets
France
$229K -$1.01M -152,476 -82%
JCM
65
Janney Capital Management
Pennsylvania
$215K -$18.3K -2,760 -8%
QT
66
Quantbot Technologies
New York
$212K +$137K +20,592 +183%
HSBC Holdings
67
HSBC Holdings
United Kingdom
$203K -$8.02K -1,184 -4%
NRD
68
Nebula Research & Development
New York
$194K -$45.4K -6,820 -19%
Osaic Holdings
69
Osaic Holdings
Arizona
$184K -$18.9K -1,779 -9%
Deutsche Bank
70
Deutsche Bank
Germany
$162K -$43.4K -6,530 -21%
MIM
71
MetLife Investment Management
New Jersey
$158K -$1.02K -153 -0.6%
IIM
72
Ironwood Investment Management
Massachusetts
$142K +$142K +21,297 New
Mirae Asset Global ETFs Holdings
73
Mirae Asset Global ETFs Holdings
Hong Kong
$136K -$6.22K -936 -4%
Commonwealth Equity Services
74
Commonwealth Equity Services
Massachusetts
$119K -$664 -100 -0.6%
PCA
75
Peddock Capital Advisors
Massachusetts
$117K +$117K +17,602 New
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