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, Q3 2025
Institutional positions in Quanterix Corp as of Sep 30, 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
- 129
- −7 vs. Q2 2025
- Shares held
- 35.7M
- +1.03M (+3.0%) vs. Q2 2025
- Total value
- $193.7M
- −$36.8M (−16.0%) vs. Q2 2025
- New holders
- 19
- 47 more added
- Sold out
- 26
- 36 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Quanterix Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 10 | $0 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1 | $5 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 12 | $65 | 0.00% | +12 | Added |
| STRS Ohio | 29 | $157 | 0.00% | +29 | New |
| US Bancorp | 39 | $212 | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 48 | $261 | 0.00% | +48 | New |
| Cypress Capital Management LLC (WY) | 60 | $326 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 62 | $337 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 73 | $379 | 0.00% | +73 | New |
| Rialto Wealth Management, LLC | 96 | $522 | 0.00% | 00.0% | Unchanged |
| Concord Wealth Partners | 100 | $543 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 100 | $543 | 0.00% | +100 | New |
| Point72 (DIFC) Ltd | 119 | $646 | 0.00% | +119 | New |
| Clearstead Advisors, LLC | 132 | $717 | 0.00% | +132 | New |
| EverSource Wealth Advisors, LLC | 137 | $744 | 0.00% | −94−40.7% | Reduced |
| True Wealth Design, LLC | 151 | $820 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 169 | $918 | 0.00% | +7+4.3% | Added |
| Sit Investment Associates Inc | 272 | $1.00K | 0.00% | +272 | New |
| Fortitude Family Office, LLC | 270 | $1.47K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 281 | $1.52K | 0.00% | −13−4.4% | Reduced |
| Quest Partners LLC | 336 | $1.82K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 419 | $2.27K | 0.00% | −374−47.2% | Reduced |
| Pinnacle Bancorp, Inc. | 520 | $2.82K | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 563 | $3.06K | 0.00% | +563 | New |
| Nisa Investment Advisors, LLC | 640 | $3.48K | 0.00% | −2,709−80.9% | Reduced |
| Optiver Holding B.V. | 729 | $3.96K | 0.00% | +729 | New |
| Group One Trading, L.P. | 783 | $4.25K | 0.00% | +783 | New |
| Bryn Mawr Trust Co | 800 | $4.34K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 934 | $5.07K | 0.00% | −299−24.2% | Reduced |
| GWM Advisors LLC | 1,100 | $5.97K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 1,189 | $6.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 1,294 | $7.00K | 0.00% | −1,532−54.2% | Reduced |
| Versant Capital Management, Inc | 1,421 | $7.72K | 0.00% | −6,976−83.1% | Reduced |
| Simplex Trading, LLC | 1,563 | $8.00K | 0.00% | −1,589−50.4% | Reduced |
| Rockefeller Capital Management L.P. | 2,463 | $13.4K | 0.00% | +2,463 | New |
| California State Teachers Retirement System | 2,538 | $13.8K | 0.00% | −65−2.5% | Reduced |
| Sterling Capital Management LLC | 2,579 | $14.0K | 0.00% | +1,705+195.1% | Added |
| Tower Research Capital LLC (TRC) | 3,028 | $16.4K | 0.00% | −2,245−42.6% | Reduced |
| Legal & General Group Plc | 3,307 | $18.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,475 | $18.9K | 0.00% | 00.0% | Unchanged |
| Quarry LP | 5,548 | $30.1K | 0.01% | +5,546+277,300.0% | Added |
| New York State Common Retirement Fund | 6,501 | $35.3K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 8,673 | $47.1K | 0.00% | −23,191−72.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 10,062 | $54.6K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 10,516 | $55.8K | 0.00% | −19,433−64.9% | Reduced |
| Kestra Private Wealth Services, LLC | 10,294 | $55.9K | 0.00% | +185+1.8% | Added |
| XTX Topco Ltd | 11,310 | $61.4K | 0.00% | −44,714−79.8% | Reduced |
| R Squared Ltd | 11,771 | $63.9K | 0.03% | +11,771 | New |
| Post Resch Tallon Group Inc. | 12,075 | $65.6K | 0.06% | −100−0.8% | Reduced |
| TCG Advisory Services, LLC | 12,161 | $66.0K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 13,008 | $70.6K | 0.00% | −2,016−13.4% | Reduced |
| Manufacturers Life Insurance Company, The | 13,801 | $74.9K | 0.00% | +230+1.7% | Added |
| Allspring Global Investments Holdings, LLC | 14,103 | $76.6K | 0.00% | −139−1.0% | Reduced |
| State of Wyoming | 14,109 | $76.6K | 0.01% | −705−4.8% | Reduced |
| Prelude Capital Management, LLC | 15,393 | $83.6K | 0.01% | −1,491−8.8% | Reduced |
| Jain Global LLC | 17,377 | $94.4K | 0.00% | +17,377 | New |
| Commonwealth Equity Services, LLC | 17,465 | $95.0K | 0.00% | −450−2.5% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 19,109 | $103.8K | 0.00% | −1,335−6.5% | Reduced |
| Intech Investment Management LLC | 19,161 | $104.0K | 0.00% | +2,268+13.4% | Added |
| Atom Investors LP | 19,571 | $106.3K | 0.01% | +19,571 | New |
| Advisor Group Holdings, Inc. | 24,736 | $112.9K | 0.00% | +4,237+20.7% | Added |
| MetLife Investment Management | 22,942 | $124.6K | 0.00% | −888−3.7% | Reduced |
| Brevan Howard Capital Management LP | 23,244 | $126.2K | 0.00% | +8,739+60.2% | Added |
| Quantinno Capital Management LP | 27,510 | $149.4K | 0.00% | −14,454−34.4% | Reduced |
| Deutsche Bank AG | 28,089 | $152.5K | 0.00% | +3,768+15.5% | Added |
| PharVision Advisers, LLC | 36,144 | $196.3K | 0.11% | +36,144 | New |
| Bridgeway Capital Management, LLC | 43,000 | $233.5K | 0.00% | +43,000 | New |
| Alliancebernstein L.P. | 44,480 | $241.5K | 0.00% | 00.0% | Unchanged |
| PDT Partners, LLC | 47,668 | $258.8K | 0.02% | 00.0% | Unchanged |
| Peddock Capital Advisors, LLC | 52,105 | $282.9K | 0.06% | +34,503+196.0% | Added |
| Rhumbline Advisers | 57,057 | $309.8K | 0.00% | −3,572−5.9% | Reduced |
| Price T Rowe Associates Inc | 58,778 | $320.0K | 0.00% | +19,179+48.4% | Added |
| Mount Lucas Management LP | 60,000 | $325.8K | 0.15% | 00.0% | Unchanged |
| Clarius Group, LLC | 62,060 | $337.0K | 0.02% | 00.0% | Unchanged |
| Barclays PLC | 67,269 | $365.3K | 0.00% | −11,711−14.8% | Reduced |
| Nuveen, LLC | 71,455 | $388.0K | 0.00% | 00.0% | Unchanged |
| Citadel Advisors LLC | 83,181 | $451.7K | 0.00% | +83,181 | New |
| Numerai GP LLC | 88,064 | $478.2K | 0.07% | +88,064 | New |
| Bank of America Corp | 88,366 | $479.8K | 0.00% | +26,565+43.0% | Added |
| American Century Companies Inc | 97,597 | $530.0K | 0.00% | +11,382+13.2% | Added |
| Susquehanna Portfolio Strategies, LLC | 97,669 | $530.3K | 0.01% | −60,863−38.4% | Reduced |
| Invesco Ltd. | 98,692 | $535.9K | 0.00% | +23,496+31.2% | Added |
| Paragon Associates & Paragon Associates II Joint Venture | 100,671 | $546.6K | 0.97% | +100,671 | New |
| FMR LLC | 117,133 | $636.0K | 0.00% | −9,499−7.5% | Reduced |
| Bank of New York Mellon Corp | 117,538 | $638.2K | 0.00% | +5,585+5.0% | Added |
| Jump Financial, LLC | 118,352 | $642.7K | 0.01% | −8,289−6.5% | Reduced |
| SCS Capital Management LLC | 120,035 | $651.8K | 0.01% | −234,304−66.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 136,575 | $741.6K | 0.01% | −189,102−58.1% | Reduced |
| Susquehanna International Group, LLP | 141,969 | $770.9K | 0.00% | +77,643+120.7% | Added |
| Two Sigma Advisers, LP | 142,190 | $772.1K | 0.00% | +5,742+4.2% | Added |
| Wells Fargo & Company | 144,318 | $783.6K | 0.00% | +5,581+4.0% | Added |
| Jane Street Group, LLC | 149,779 | $813.3K | 0.00% | +9,815+7.0% | Added |
| BNP Paribas Arbitrage, SA | 150,327 | $816.3K | 0.00% | +115,917+336.9% | Added |
| AQR Capital Management LLC | 157,975 | $857.8K | 0.00% | +69,716+79.0% | Added |
| Ironwood Investment Management LLC | 194,074 | $1.05M | 0.46% | +172,777+811.3% | Added |
| State of Wisconsin Investment Board | 195,759 | $1.06M | 0.00% | −94,000−32.4% | Reduced |
| Citigroup Inc | 218,578 | $1.19M | 0.00% | −62,000−22.1% | Reduced |
| JPMorgan Chase & Co | 227,771 | $1.24M | 0.00% | −32,730−12.6% | Reduced |
| Royal Bank of Canada | 247,678 | $1.34M | 0.00% | +25,984+11.7% | Added |
| Two Sigma Investments, LP | 250,074 | $1.36M | 0.00% | +7,385+3.0% | Added |