Quanterix Corp
QTRX- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001503274
In the last 90 days, Quanterix Corp insiders filed 1 open-market purchase and 0 sales; 132 institutions reported holding it in 13F filings for Q2 2026, worth $127.1M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Quanterix Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 134
- +8 vs. Q3 2025
- Shares held
- 35.1M
- +756.2K (+2.2%) vs. Q3 2025
- Total value
- $223.3M
- +$36.8M (+19.7%) vs. Q3 2025
- New holders
- 21
- 42 more added
- Sold out
- 13
- 43 more reduced
3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting QTRX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 132 | $127.1M |
| Q1 2026 | 128 | $128.4M |
| Q4 2025 | 134 | $223.3M |
| Q3 2025 | 129 | $193.7M |
| Q2 2025 | 138 | $230.9M |
| Q1 2025 | 150 | $228.2M |
| Q4 2024 | 152 | $372.0M |
| Q3 2024 | 149 | $430.8M |
| Q2 2024 | 155 | $428.6M |
| Q1 2024 | 165 | $761.4M |
| Q4 2023 | 172 | $864.1M |
| Q3 2023 | 158 | $878.5M |
| Q2 2023 | 138 | $733.4M |
| Q1 2023 | 136 | $370.3M |
| Q4 2022 | 132 | $437.9M |
| Q3 2022 | 145 | $328.8M |
| Q2 2022 | 136 | $519.0M |
| Q1 2022 | 143 | $935.5M |
| Q4 2021 | 153 | $1.34B |
| Q3 2021 | 152 | $1.53B |
| Q2 2021 | 159 | $1.76B |
| Q1 2021 | 162 | $1.66B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Quanterix Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amalgamated Bank | 1,387 | $9.00K | 0.00% | +198+16.7% | Added |
| The PNC Financial Services Group, Inc. | 1,169 | $7.43K | 0.00% | +235+25.2% | Added |
| GWM Advisors LLC | 1,100 | $7.00K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 961 | $6.11K | 0.00% | +961 | New |
| Bryn Mawr Trust Co | 800 | $5.09K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 763 | $4.85K | 0.00% | +763 | New |
| GAMMA Investing LLC | 571 | $3.63K | 0.00% | +402+237.9% | Added |
| Transamerica Financial Advisors, Inc. | 563 | $3.58K | 0.00% | 00.0% | Unchanged |
| Pinnacle Bancorp, Inc. | 520 | $3.31K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 471 | $3.00K | 0.00% | +471 | New |
| Signaturefd, LLC | 387 | $2.46K | 0.00% | +387 | New |
| Optiver Holding B.V. | 345 | $2.19K | 0.00% | −384−52.7% | Reduced |
| Quest Partners LLC | 336 | $2.14K | 0.00% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 272 | $2.00K | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 223 | $1.42K | 0.00% | +86+62.8% | Added |
| NBC Securities, Inc. | 179 | $1.14K | 0.00% | −102−36.3% | Reduced |
| SRS Capital Advisors, Inc. | 154 | $979 | 0.00% | −265−63.2% | Reduced |
| True Wealth Design, LLC | 151 | $961 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 100 | $636 | 0.00% | 00.0% | Unchanged |
| Concord Wealth Partners | 100 | $636 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 96 | $611 | 0.00% | 00.0% | Unchanged |
| Basecamp Wealth Advisors LLC | 87 | $553 | 0.00% | +87 | New |
| National Bank of Canada | 85 | $541 | 0.00% | +85 | New |
| Jones Financial Companies LLLP | 73 | $464 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 62 | $394 | 0.00% | 00.0% | Unchanged |
| Cypress Capital Management LLC (WY) | 60 | $382 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 56 | $357 | 0.00% | +8+16.7% | Added |
| STRS Ohio | 29 | $184 | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 29 | $184 | 0.00% | +29 | New |
| Rothschild Investment LLC | 13 | $83 | 0.00% | +13 | New |
| IFP Advisors, Inc | 8 | $51 | 0.00% | −4−33.3% | Reduced |
| Clearstead Advisors, LLC | 5 | $32 | 0.00% | −127−96.2% | Reduced |
| Huntington National Bank | 1 | $6 | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 10 | $0 | 0.00% | 00.0% | Unchanged |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −36,144−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −19,571−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −15,393−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −14,109−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −11,771−100.0% | Sold out |
| Kestra Private Wealth Services, LLC | 0 | $0 | 0.00% | −10,294−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −10,516−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −8,673−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −5,548−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,563−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −783−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −640−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −270−100.0% | Sold out |
| Kent Lake PR LLC | – | – | – | – | Not filed |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |