QUANTERIX CORP

$QTRX
Institutional coverage

127 13F filers hold $QTRX.

13F holders
127
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

3 holders · Q1 2026

$QTRX is held by 3 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.00%, with an average of 0.00% of portfolio. Largest holder: Level Financial Advisors at 0.00%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 127 · Source: 13F-HR
01
Key Colony Management, LLC
0.58% of portfolio
5,891,646 sh
02
Raymond James Financial Inc.
4,386,018 sh
03
Astoria Strategic Wealth, Inc.
6.05% of portfolio
2,142,147 sh
04
Immersion Capital LLP
0.02% of portfolio
2,083,699 sh
05
Brooks, Moore & Associates, Inc.
0.31% of portfolio
1,932,386 sh
06
WestEnd Advisors, LLC
0.39% of portfolio
1,464,052 sh
07
Invenomic Capital Management LP
0.37% of portfolio
1,393,005 sh
08
Spectrum Asset Management, Inc.
0.01% of portfolio
1,300,087 sh
09
Minneapolis Portfolio Management Group, LLC
1,241,422 sh
10
Seed Wealth Management, Inc.
2.46% of portfolio
994,217 sh
See all 127 13F holders · Pro →

Insider activity · last 90 days

7 transactions · 4 filers
12 Sep 2025
Sriram Vandana
▲ BOUGHT
4,150
$4.79
P
13 Jun 2025
Walt David R
▲ BOUGHT
123,990
$6.14
P
12 Jun 2025
Walt David R
▲ BOUGHT
36,010
$6.23
P
09 Jun 2025
Toloue Masoud
▲ BOUGHT
45,900
$5.42
P
06 Jun 2025
Donnelly William P
▲ BOUGHT
93,113
$5.44
P
09 Jun 2025
Walt David R
▲ BOUGHT
78,131
$5.34
P
06 Jun 2025
Walt David R
▲ BOUGHT
131,869
$5.43
P

Transaction codes: P open-market purchase · S sale · M option exercise · A grant · F tax-withhold sale. Insider names link to each individual's expert page.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $QTRX in the recent window.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 13:18 UTC.