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Q

Quanterix QTRX · USD

Health Care · US listing · 🇺🇸 United States

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3.38

+16.55%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.3.6m8.53%+357.8k30 Jun 2026
BLUE WATER LIFE SCIENCE ADVISORS, LP3.5m8.15%+1.3m30 Jun 2026
FIRST EAGLE INVESTMENT MANAGEMENT, LLC2.8m6.46%+1.5m30 Jun 2026
PORTOLAN CAPITAL MANAGEMENT, LLC1.9m4.45%−1m30 Jun 2026
VANGUARD CAPITAL MANAGEMENT LLC1.8m4.22%+16k30 Jun 2026
Lionhunter Capital Management, LLC1.5m3.52%+1.5m30 Jun 2026
AQR CAPITAL MANAGEMENT LLC1.3m3.15%+1.3m30 Jun 2026
GEODE CAPITAL MANAGEMENT, LLC1.1m2.65%+136.6k30 Jun 2026
AMERIPRISE FINANCIAL INC987.4k2.32%−2.6m30 Jun 2026
MARSHALL WACE, LLP973.9k2.28%+351.5k30 Jun 2026
STATE STREET CORP932.3k2.19%+34k30 Jun 2026
TIKVAH MANAGEMENT LLC571.6k1.34%−6430 Jun 2026
VANGUARD PORTFOLIO MANAGEMENT LLC489.6k1.15%−87k30 Jun 2026
JACOBS LEVY EQUITY MANAGEMENT, INC487.6k1.14%+487.6k30 Jun 2026
MORGAN STANLEY447.7k1.05%−160.2k30 Jun 2026

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

4.7m

-7.3% on the period before. 8.4 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

27.5%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 24 Sept 20266,365 shares
  • 23 Sept 20268,223 shares
  • 17 Sept 20261,509 shares
  • 14 Sept 2026531 shares
  • 10 Sept 2026451 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.