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Quanterix
QTRX

Overview Fund Activity

149 hedge funds and large institutions have $228M invested in Quanterix in 2025 Q1 according to their latest regulatory filings, with 37 funds opening new positions, 56 increasing their positions, 35 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
149
Holders Change
-3
Holders Change %
-1.97%
% of All Funds
2.02%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.03%
New
37
Increased
56
Reduced
35
Closed
37
Calls
$168K
Puts
$115K
Net Calls
+$53K
Net Calls Change
-$838K

Top Buyers

1
KLP
Kent Lake PR
Puerto Rico
$19M
2
ICM
Invenomic Capital Management
Massachusetts
$5.87M
3
TC
Trium Capital
United Kingdom
$3.64M
4
Ameriprise
Ameriprise
Minnesota
$24.2M
5
TCM
Topline Capital Management
California
$2.51M

Top Sellers

1
AllianceBernstein
AllianceBernstein
Tennessee
$241K
2
Millennium Management
Millennium Management
New York
$363K
3
EAM
Eventide Asset Management
Massachusetts
$0
4
GIM
Granahan Investment Management
Massachusetts
$0
5
UBS AM
UBS AM
Illinois
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
GIM
151
Granahan Investment Management
Massachusetts
– -$5.7M -536,417 Closed
UBS AM
152
UBS AM
Illinois
– -$5.54M -520,869 Closed
PIM
153
Platinum Investment Management
Australia
– -$2.77M -260,181 Closed
PVI
154
Pura Vida Investments
New York
– -$2.5M -234,755 Closed
KCM
155
Kingdon Capital Management
New York
– -$2.13M -200,000 Closed
BM
156
Bridger Management
New York
– -$1.97M -185,085 Closed
BFM
157
Boothbay Fund Management
New York
– -$1.85M -173,645 Closed
HCA
158
Harbor Capital Advisors
Illinois
– -$1.49M -139,955 Closed
RWP
159
RWA Wealth Partners
Massachusetts
– -$1.03M -96,602 Closed
Swiss National Bank
160
Swiss National Bank
Switzerland
– -$760K -71,500 Closed
GGHC
161
Gilder Gagnon Howe & Co
New York
– -$730K -68,663 Closed
FMI
162
F/M Investments
District of Columbia
– -$637K -59,922 Closed
Raymond James Financial
163
Raymond James Financial
Florida
– -$570K -53,626 Closed
FRM
164
Fox Run Management
Connecticut
– -$465K -43,784 Closed
Fuller & Thaler Asset Management
165
Fuller & Thaler Asset Management
California
– -$361K -33,945 Closed
Connor, Clark & Lunn Investment Management (CC&L)
166
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
– -$339K -31,902 Closed
CM
167
Caption Management
Oklahoma
– -$266K -25,000 Closed
CC
168
Centiva Capital
New York
– -$194K -18,263 Closed
LCS
169
Levin Capital Strategies
New York
– -$159K -15,000 Closed
Janus Henderson Group
170
Janus Henderson Group
United Kingdom
– -$151K -14,234 Closed
ASRS
171
Arizona State Retirement System
Arizona
– -$112K -10,569 Closed
Cetera Investment Advisers
172
Cetera Investment Advisers
Illinois
– -$108K -10,121 Closed
ProShare Advisors
173
ProShare Advisors
Maryland
– -$108K -10,119 Closed
Zurich Cantonal Bank
174
Zurich Cantonal Bank
Switzerland
– -$66.5K -6,260 Closed
KK
175
KLP Kapitalforvaltning
Norway
– -$65.9K -6,200 Closed
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