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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.

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

Top Sellers

1
AllianceBernstein
1
AllianceBernstein
Tennessee
$241K
2
Millennium Management
2
Millennium Management
New York
$363K
3
EAM
3
Eventide Asset Management
Massachusetts
$0
4
GIM
4
Granahan Investment Management
Massachusetts
$0
5
UBS AM
5
UBS AM
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Ameriprise
1
Ameriprise
Minnesota
$24.2M 3,715,238 +509,310 +16%
BlackRock
2
BlackRock
New York
$20M 3,070,115 -94,106 -3%
PCM
3
Portolan Capital Management
Massachusetts
$19.3M 2,963,397 +375,573 +15%
KLP
4
Kent Lake PR
Puerto Rico
$19M 2,924,903 +2,024,903 +225%
Vanguard Group
5
Vanguard Group
Pennsylvania
$16.4M 2,525,679 +308,454 +14%
EIP
6
Easterly Investment Partners
Massachusetts
$8.63M 1,325,620 +370,625 +39%
UBS Group
7
UBS Group
Switzerland
$7.26M 1,114,978 +180,428 +19%
William Blair Investment Management
8
William Blair Investment Management
Illinois
$7.2M 1,106,063 +43,958 +4%
ICM
9
Invenomic Capital Management
Massachusetts
$5.87M 902,043 +902,043 New
Geode Capital Management
10
Geode Capital Management
Massachusetts
$5.64M 865,870 +2,367 +0.3%
PC
11
Pier Capital
Connecticut
$5.52M 848,353 +168,673 +25%
Dimensional Fund Advisors
12
Dimensional Fund Advisors
Texas
$5.48M 841,333 -52,312 -6%
State Street
13
State Street
Massachusetts
$4.96M 761,308 -108,997 -13%
Russell Investments Group
14
Russell Investments Group
United Kingdom
$3.95M 606,787 +205,311 +51%
Baillie Gifford & Co
15
Baillie Gifford & Co
United Kingdom
$3.91M 600,812 -28,985 -5%
Morgan Stanley
16
Morgan Stanley
New York
$3.88M 596,049 +345,229 +138%
TM
17
Tikvah Management
North Carolina
$3.72M 571,619 – –
TC
18
Trium Capital
United Kingdom
$3.64M 559,500 +559,500 New
WJWM
19
Williams Jones Wealth Management
New York
$3.34M 513,489 +41,975 +9%
Envestnet Asset Management
20
Envestnet Asset Management
Illinois
$3.26M 500,398 +158,134 +46%
ACM
21
Ashford Capital Management
Delaware
$2.84M 436,930 -107,600 -20%
NL
22
Nuveen LLC
North Carolina
$2.7M 415,378 +415,378 New
TCM
23
Topline Capital Management
California
$2.51M 386,037 +386,037 New
BWLSA
24
Blue Water Life Science Advisors
California
$2.42M 372,175 +293,782 +375%
SCM
25
SCS Capital Management
Massachusetts
$2.31M 354,339 +354,339 New
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