s/
Stockslash
⌘K
Stocks
QTRX
Not investment advice · 13F data lagged ~45 days · Full disclaimer
QT

Quanterix

QTRX13F as of Jun 30, 2026 · next update ~Nov 14
Limited coverage
Only 1 fund we track owns this stock, so quarterly sentiment and aggregates may be sparse.
Who's buying QTRX

Top funds mostly added to Quanterix in Q2 (Apr⁠–⁠Jun)

Buying:
Funds1Insiders2Congress
1 fund$11.9M held0.0% avg. weightQ2: 1 bought / 0 sold
13F reports are a snapshot as of Jun 30, 2026; funds may have traded since.
Share price · market data, not from 13F reports
Q2 2026
Insider trades (Form 4)
Last 2 years · 7 filings
Net buying$3.19M
DateInsiderTypeSharesPriceValue
Aug 12, 2026
William P Donnelly
Director
Bought99,400$2.88$286K
May 12, 2026
Benjamin Meadows
Bought3,500$2.77$10K
Sep 12, 2025
Vandana Sriram
CFO
Bought4,150$4.79$20K
Jun 12, 2025
David R Walt
Director
Bought160,000$6.16$985K
Jun 9, 2025
Masoud Toloue
President & CEO
Bought45,900$5.42$249K
Jun 6, 2025
David R Walt
Director
Bought210,000$5.40$1.13M
Jun 6, 2025
William P Donnelly
Director
Bought93,113$5.44$506K