Quanterix Corp - Common Stock, par value $0.001 (QTRX)

Q3 2025 13F Holders as of 30 Sep 2025

Type / Class
Equity / Common Stock, par value $0.001
Shares outstanding
46,382,370
Total 13F shares
35,667,289
Share change
+910,153
Total reported value
$193,650,860
Put/Call ratio
130%
Price per share
$5.43
Number of holders
126
Value change
+$2,747,084
Number of buys
64
Number of sells
63

Institutional Holders of Quanterix Corp - Common Stock, par value $0.001 (QTRX) as of Q3 2025

As of 30 Sep 2025, Quanterix Corp - Common Stock, par value $0.001 (QTRX) was held by 126 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 35,667,289 shares. The largest 10 holders included Portolan Capital Management, LLC, AMERIPRISE FINANCIAL INC, BlackRock, Inc., VANGUARD GROUP INC, Invenomic Capital Management LP, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC, EASTERLY INVESTMENT PARTNERS LLC, MILLENNIUM MANAGEMENT LLC, GEODE CAPITAL MANAGEMENT, LLC, and Kent Lake PR LLC. This page lists 126 institutional shareholders reporting positions in this security for the Q3 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.