Ticker · CUSIP 74766Q101

QTRX

QUANTERIX CORP
···Share
Holders (tracked)
9
Combined shares
1,627,910
Combined value
$10.08M
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
9112024Q12025Q4

SEC event timeline

15 events
  1. +15,391 shares · 2025Q4
    13F
  2. +45,627 shares · 2025Q4
    13F
  3. −806,568 shares · 2025Q4
    13F
  4. −15,000 shares · 2025Q4
    13F
  5. +169,695 shares · 2025Q4
    13F
  6. −92,453 shares · 2025Q4
    13F
  7. +8,784 shares · 2025Q4
    13F
  8. +11,800 shares · 2025Q4
    13F
  9. +531,427 shares · 2025Q4
    13F
  10. +1,197,083 shares · 2025Q3
    13F
  11. +7,385 shares · 2025Q3
    13F
  12. +19,179 shares · 2025Q3
    13F
  13. +69,716 shares · 2025Q3
    13F
  14. −103,200 shares · 2025Q3
    13F
  15. −600,812 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
Trimmed3
Exited0

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
12
$199.7M
2022Q2
9
$100.8M
2022Q3
12
$80K
2022Q4
13
$80.6M
2023Q1
13
$57.7M
2023Q2
13
$141.8M
2023Q3
13
$201.8M
2023Q4
11
$179.7M
2024Q1
11
$147.7M
2024Q2
10
$74.0M
2024Q3
9
$43.0M
2024Q4
10
$34.6M
2025Q1
10
$9.1M
2025Q2
6
$7.0M
2025Q3
6
$9.3M
2025Q4
9
$10.1M

Who owns QTRX

9 super-investors · 2025Q4
Tracked stake
1.63M
shares
Combined value
$10M
% of shares outstanding
shares-out unknown
Quarter action mix
New4Added2Trim3
#ManagerSharesValue
1First Eagle Investment Management531.4K$3M
2Izzy Englander
Millennium Mgmt
402.6K$3M
3Two Sigma Investments258.9K$2M
4Paul Tudor Jones
Tudor Investment
169.7K$1M
5Ken Griffin
Citadel Advisors
98.6K$627K
6AQR Capital Management65.5K$417K
7D.E. Shaw & Co.45.6K$290K
8Renaissance Technologies11.8K$75K
9T. Rowe Price43.8K$279

Recent moves

20 transactions
Embed this chart
Paste this iframe anywhere to embed the live QTRX chart.
<iframe src="https://openstocks.me/embed/stock/QTRX" width="100%" height="480" frameborder="0" loading="lazy" title="QTRX chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>