Q1 2025 13F Holders as of 3/31/2025
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Type / Class
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Equity / Common Stock, $0.001 par value per share
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Shares outstanding
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38.8M
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Number of holders
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147
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Total 13F shares, excl. options
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35.1M
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Shares change
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+67.7K
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Total reported value, excl. options
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$228M
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Value change
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-$13.8M
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Put/Call ratio
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0.72
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Number of buys
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89
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Number of sells
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-72
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Price
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$6.51
Significant Holders of Quanterix Corp - Common Stock, $0.001 par value per share (QTRX) as of Q1 2025
189 filings reported holding QTRX - Quanterix Corp - Common Stock, $0.001 par value per share as of Q1 2025.
Quanterix Corp - Common Stock, $0.001 par value per share (QTRX) has 147 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC).
These institutions hold a total of 35.1M shares
of 38.8M outstanding shares and own 90.29% of the company stock.
Largest 10 shareholders include AMERIPRISE FINANCIAL INC (3.72M shares), BlackRock, Inc. (3.07M shares), Portolan Capital Management, LLC (2.96M shares), Kent Lake PR LLC (2.92M shares), VANGUARD GROUP INC (2.53M shares), EASTERLY INVESTMENT PARTNERS LLC (1.33M shares), UBS Group AG (1.11M shares), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.11M shares), Invenomic Capital Management LP (902K shares), and GEODE CAPITAL MANAGEMENT, LLC (866K shares).
This table shows the top 147 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
| 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.