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 $138.9M in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Quanterix Corp as of Jun 30, 2026. 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
- 132
- +5 vs. Q1 2026
- Shares held
- 32.2M
- −4.26M (−11.7%) vs. Q1 2026
- Total value
- $138.9M
- +$10.6M (+8.2%) vs. Q1 2026
- New holders
- 36
- 44 more added
- Sold out
- 31
- 30 more reduced
1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | $138.9M |
| Q1 2026 | 128 | $128.4M |
| Q4 2025 | 134 | $223.3M |
| Q3 2025 | 129 | $195.0M |
| Q2 2025 | 138 | $232.4M |
| Q1 2025 | 150 | $228.4M |
| Q4 2024 | 152 | $372.0M |
| Q3 2024 | 149 | $434.6M |
| Q2 2024 | 155 | $430.8M |
| Q1 2024 | 165 | $815.2M |
| Q4 2023 | 172 | $915.3M |
| Q3 2023 | 158 | $906.2M |
| Q2 2023 | 138 | $733.4M |
| Q1 2023 | 136 | $374.6M |
| Q4 2022 | 132 | $437.9M |
| Q3 2022 | 145 | $331.0M |
| Q2 2022 | 136 | $519.0M |
| Q1 2022 | 143 | $935.9M |
| Q4 2021 | 153 | $1.34B |
| Q3 2021 | 152 | $1.53B |
| Q2 2021 | 159 | $1.76B |
| Q1 2021 | 162 | $1.66B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Quanterix Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| First Eagle Investment Management, LLC | 5,506,330 | $23.8M | 0.02% | +4,206,243+323.5% | Added |
| BlackRock, Inc. | 3,635,411 | $15.7M | 0.00% | +357,816+10.9% | Added |
| Blue Water Life Science Advisors, LLC | 3,474,202 | $15.0M | 9.45% | +1,332,055+62.2% | Added |
| Portolan Capital Management, LLC | 1,899,308 | $8.21M | 0.31% | −1,046,515−35.5% | Reduced |
| Vanguard Capital Management LLC | 1,800,644 | $7.78M | 0.00% | +16,031+0.9% | Added |
| Lionhunter Capital Management, LLC | 1,500,427 | $6.48M | 2.92% | +1,500,427 | New |
| AQR Capital Management LLC | 1,343,005 | $5.80M | 0.00% | +1,258,873+1,496.3% | Added |
| Geode Capital Management, LLC | 1,131,377 | $4.89M | 0.00% | +136,613+13.7% | Added |
| Ameriprise Financial Inc | 987,424 | $4.27M | 0.00% | −2,554,950−72.1% | Reduced |
| Marshall Wace, LLP | 973,872 | $4.21M | 0.00% | +351,492+56.5% | Added |
| State Street Corp | 932,307 | $4.03M | 0.00% | +34,030+3.8% | Added |
| Tikvah Management LLC | 571,555 | $2.47M | 0.75% | −640.0% | Reduced |
| Vanguard Portfolio Management LLC | 489,566 | $2.11M | 0.00% | −87,034−15.1% | Reduced |
| Jacobs Levy Equity Management, Inc | 487,600 | $2.11M | 0.01% | +487,600 | New |
| Morgan Stanley | 447,688 | $1.93M | 0.00% | −160,168−26.3% | Reduced |
| Jane Street Group, LLC | 419,050 | $1.81M | 0.00% | +263,395+169.2% | Added |
| Gsa Capital Partners LLP | 410,252 | $1.77M | 0.11% | +314,724+329.5% | Added |
| Tudor Investment Corp Et Al | 400,402 | $1.73M | 0.01% | +84,401+26.7% | Added |
| Dimensional Fund Advisors LP | 397,833 | $1.72M | 0.00% | −45,285−10.2% | Reduced |
| Northern Trust Corp | 337,227 | $1.46M | 0.00% | −12,431−3.6% | Reduced |
| Charles Schwab Investment Management Inc | 310,701 | $1.34M | 0.00% | −35,212−10.2% | Reduced |
| Vanguard Fiduciary Trust Co | 288,311 | $1.25M | 0.00% | +17,782+6.6% | Added |
| UBS Group AG | 281,978 | $1.22M | 0.00% | −95,004−25.2% | Reduced |
| Nuveen, LLC | 232,592 | $1.00M | 0.00% | +160,750+223.8% | Added |
| Citadel Advisors LLC | 229,736 | $992.5K | 0.00% | +168,735+276.6% | Added |
| XTX Topco Ltd | 228,035 | $985.1K | 0.01% | +116,375+104.2% | Added |
| Point72 Asset Management, L.P. | 225,653 | $974.8K | 0.00% | +132,400+142.0% | Added |
| Goldman Sachs Group Inc | 212,056 | $916.1K | 0.00% | −58,131−21.5% | Reduced |
| FMR LLC | 210,634 | $909.9K | 0.00% | +27,278+14.9% | Added |
| Ironwood Investment Management LLC | 170,555 | $736.8K | 0.25% | +730+0.4% | Added |
| Susquehanna International Group, LLP | 168,620 | $728.4K | 0.00% | +117,901+232.5% | Added |
| Invesco Ltd. | 160,887 | $695.0K | 0.00% | +44,671+38.4% | Added |
| Wells Fargo & Company | 149,158 | $644.4K | 0.00% | +20,134+15.6% | Added |
| Susquehanna Portfolio Strategies, LLC | 148,618 | $642.0K | 0.01% | +148,618 | New |
| BNP Paribas Arbitrage, SA | 136,876 | $591.3K | 0.00% | +2,473+1.8% | Added |
| Bank of New York Mellon Corp | 131,900 | $569.8K | 0.00% | +5,537+4.4% | Added |
| SCS Capital Management LLC | 120,035 | $518.6K | 0.00% | 00.0% | Unchanged |
| American Century Companies Inc | 100,463 | $434.0K | 0.00% | −1,347−1.3% | Reduced |
| Price T Rowe Associates Inc | 95,626 | $414.0K | 0.00% | +27,254+39.9% | Added |
| Quadrature Capital Ltd | 80,200 | $346.5K | 0.00% | +80,200 | New |
| Cerity Partners LLC | 78,083 | $337.3K | 0.00% | +78,083 | New |
| Bridgeway Capital Management, LLC | 68,226 | $294.7K | 0.01% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 62,261 | $269.0K | 0.00% | −61,859−49.8% | Reduced |
| Jain Global LLC | 57,319 | $247.6K | 0.00% | +57,319 | New |
| Algert Global LLC | 55,217 | $238.5K | 0.00% | +55,217 | New |
| Rhumbline Advisers | 53,557 | $231.4K | 0.00% | +1,492+2.9% | Added |
| Peddock Capital Advisors, LLC | 52,105 | $225.1K | 0.04% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 56,780 | $199.9K | 0.00% | +12,300+27.7% | Added |
| Millennium Management LLC | 40,662 | $175.7K | 0.00% | −648,505−94.1% | Reduced |
| Susquehanna Fundamental Investments, LLC | 38,961 | $168.3K | 0.00% | +38,961 | New |
| Canada Pension Plan Investment Board | 38,100 | $164.6K | 0.00% | +38,100 | New |
| Russell Investments Group, Ltd. | 37,722 | $163.0K | 0.00% | −604,259−94.1% | Reduced |
| Deutsche Bank AG | 36,678 | $158.4K | 0.00% | +1,218+3.4% | Added |
| Ieq Capital, LLC | 35,507 | $153.4K | 0.00% | +35,507 | New |
| Bank of America Corp | 29,286 | $126.5K | 0.00% | −20,266−40.9% | Reduced |
| Mercer Global Advisors Inc | 25,731 | $111.2K | 0.00% | +14,856+136.6% | Added |
| Axq Capital, LP | 25,599 | $110.6K | 0.01% | +1,245+5.1% | Added |
| MetLife Investment Management | 24,801 | $107.1K | 0.00% | +2,225+9.9% | Added |
| Aigen Investment Management, LP | 24,328 | $105.1K | 0.03% | +24,328 | New |
| Advisor Group Holdings, Inc. | 24,176 | $104.4K | 0.00% | +1,360+6.0% | Added |
| Wealth Enhancement Advisory Services, LLC | 26,914 | $104.4K | 0.00% | +26,914 | New |
| Dynamic Technology Lab Private Ltd | 20,816 | $90.0K | 0.02% | −57,055−73.3% | Reduced |
| LPL Financial LLC | 20,099 | $86.8K | 0.00% | −5,582−21.7% | Reduced |
| JPMorgan Chase & Co | 19,049 | $86.5K | 0.00% | +1,638+9.4% | Added |
| Citigroup Inc | 19,713 | $85.2K | 0.00% | +17,751+904.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 19,655 | $84.9K | 0.00% | +75+0.4% | Added |
| Creative Planning | 18,538 | $80.1K | 0.00% | +18,538 | New |
| Vanguard Global Advisers, LLC | 18,525 | $80.0K | 0.00% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 17,672 | $76.3K | 0.00% | +17,672 | New |
| Nisa Investment Advisors, LLC | 17,356 | $75.0K | 0.00% | +17,356 | New |
| Barclays PLC | 15,805 | $68.3K | 0.00% | −941−5.6% | Reduced |
| TCG Advisory Services, LLC | 15,734 | $68.0K | 0.00% | +2,073+15.2% | Added |
| Mariner, LLC | 15,471 | $66.8K | 0.00% | +15,471 | New |
| Engineers Gate Manager LP | 14,807 | $64.0K | 0.00% | −8,993−37.8% | Reduced |
| Jump Financial, LLC | 14,700 | $63.5K | 0.00% | −13,730−48.3% | Reduced |
| Captrust Financial Advisors | 14,301 | $61.8K | 0.00% | +14,301 | New |
| Manufacturers Life Insurance Company, The | 13,788 | $59.6K | 0.00% | +2,376+20.8% | Added |
| HighTower Advisors, LLC | 13,660 | $59.0K | 0.00% | +13,660 | New |
| JustInvest LLC | 13,239 | $57.2K | 0.00% | +13,239 | New |
| PharVision Advisers, LLC | 13,039 | $56.3K | 1.06% | +13,039 | New |
| Schonfeld Strategic Advisors LLC | 12,663 | $54.7K | 0.00% | −30,123−70.4% | Reduced |
| Post Resch Tallon Group Inc. | 12,500 | $54.0K | 0.04% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 11,987 | $51.8K | 0.00% | +11,987 | New |
| Kestra Private Wealth Services, LLC | 11,294 | $48.8K | 0.00% | +11,294 | New |
| IMC-Chicago, LLC | 10,214 | $44.1K | 0.00% | +10,214 | New |
| Police & Firemen's Retirement System of New Jersey | 10,062 | $43.5K | 0.00% | 00.0% | Unchanged |
| Cresset Asset Management, LLC | 10,000 | $43.2K | 0.00% | +10,000 | New |
| SRS Capital Advisors, Inc. | 7,558 | $32.7K | 0.00% | +7,558 | New |
| Simplex Trading, LLC | 7,127 | $30.8K | 0.00% | +7,127 | New |
| The PNC Financial Services Group, Inc. | 7,123 | $30.8K | 0.00% | +5,550+352.8% | Added |
| New York State Common Retirement Fund | 6,501 | $28.1K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,993 | $17.3K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 3,475 | $15.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,108 | $13.4K | 0.00% | −879−22.0% | Reduced |
| Sachetta, LLC | 3,000 | $13.0K | 0.01% | +3,000 | New |
| Allworth Financial LP | 2,143 | $9.26K | 0.00% | +2,032+1,830.6% | Added |
| Group One Trading, L.P. | 1,933 | $8.35K | 0.00% | +1,061+121.7% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,799 | $7.77K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,475 | $7.00K | 0.00% | −230,626−99.4% | Reduced |
| EverSource Wealth Advisors, LLC | 1,503 | $6.49K | 0.00% | +1,448+2,632.7% | Added |