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 |
|---|---|---|---|---|---|
| Ameriprise Financial Inc | 4,996,073 | $31.8M | 0.01% | +752,561+17.7% | Added |
| Portolan Capital Management, LLC | 4,525,553 | $28.8M | 1.54% | +265,702+6.2% | Added |
| BlackRock, Inc. | 3,375,910 | $21.5M | 0.00% | +262,930+8.4% | Added |
| Vanguard Group Inc | 2,677,833 | $17.0M | 0.00% | +30,318+1.1% | Added |
| Blue Water Life Science Advisors, LLC | 2,092,147 | $13.3M | 8.35% | +1,134,400+118.4% | Added |
| William Blair Investment Management, LLC | 2,046,449 | $13.0M | 0.04% | +731,169+55.6% | Added |
| Invenomic Capital Management LP | 1,505,208 | $9.57M | 0.46% | +112,203+8.1% | Added |
| Geode Capital Management, LLC | 1,073,967 | $6.83M | 0.00% | +62,077+6.1% | Added |
| State Street Corp | 893,401 | $5.68M | 0.00% | +73,867+9.0% | Added |
| Morgan Stanley | 822,998 | $5.23M | 0.00% | +16,735+2.1% | Added |
| Trium Capital LLP | 817,451 | $5.20M | 4.04% | +128,854+18.7% | Added |
| Williams Jones Wealth Management, LLC. | 638,939 | $4.06M | 0.05% | −47,525−6.9% | Reduced |
| Empire Financial Management Company, LLC | 617,830 | $3.93M | 0.85% | +165,400+36.6% | Added |
| Easterly Investment Partners LLC | 616,681 | $3.92M | 0.24% | −635,503−50.8% | Reduced |
| Tikvah Management LLC | 571,619 | $3.64M | 0.97% | 00.0% | Unchanged |
| First Eagle Investment Management, LLC | 531,427 | $3.38M | 0.01% | +531,427 | New |
| Millennium Management LLC | 402,631 | $2.56M | 0.00% | −806,568−66.7% | Reduced |
| Dimensional Fund Advisors LP | 389,466 | $2.48M | 0.00% | −317,605−44.9% | Reduced |
| Charles Schwab Investment Management Inc | 362,740 | $2.31M | 0.00% | +31,494+9.5% | Added |
| Northern Trust Corp | 345,564 | $2.20M | 0.00% | −8,094−2.3% | Reduced |
| Parkman Healthcare Partners LLC | 328,956 | $2.09M | 0.20% | +76,745+30.4% | Added |
| UBS Group AG | 311,499 | $1.98M | 0.00% | −62,101−16.6% | Reduced |
| Two Sigma Investments, LP | 258,858 | $1.65M | 0.00% | +8,784+3.5% | Added |
| Russell Investments Group, Ltd. | 256,140 | $1.63M | 0.00% | −177,920−41.0% | Reduced |
| Envestnet Asset Management Inc | 252,211 | $1.60M | 0.00% | −263,650−51.1% | Reduced |
| Goldman Sachs Group Inc | 248,242 | $1.58M | 0.00% | −29,833−10.7% | Reduced |
| Ironwood Investment Management LLC | 172,330 | $1.10M | 0.46% | −21,744−11.2% | Reduced |
| Tudor Investment Corp Et Al | 169,695 | $1.08M | 0.01% | +169,695 | New |
| BNP Paribas Arbitrage, SA | 168,430 | $1.07M | 0.00% | +18,103+12.0% | Added |
| Wells Fargo & Company | 162,686 | $1.03M | 0.00% | +18,368+12.7% | Added |
| FMR LLC | 159,907 | $1.02M | 0.00% | +42,774+36.5% | Added |
| Marshall Wace, LLP | 155,169 | $986.9K | 0.00% | −453,539−74.5% | Reduced |
| State of Wisconsin Investment Board | 147,824 | $940.2K | 0.00% | −47,935−24.5% | Reduced |
| Jump Financial, LLC | 144,095 | $916.4K | 0.01% | +25,743+21.8% | Added |
| Bank of New York Mellon Corp | 123,521 | $785.6K | 0.00% | +5,983+5.1% | Added |
| Gsa Capital Partners LLP | 121,525 | $773.0K | 0.07% | +121,525 | New |
| Barclays PLC | 120,203 | $764.5K | 0.00% | +52,934+78.7% | Added |
| SCS Capital Management LLC | 120,035 | $763.4K | 0.01% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 114,021 | $725.2K | 0.00% | −113,750−49.9% | Reduced |
| Invesco Ltd. | 113,200 | $720.0K | 0.00% | +14,508+14.7% | Added |
| Citigroup Inc | 112,380 | $714.7K | 0.00% | −106,198−48.6% | Reduced |
| Standard Life Aberdeen plc | 104,039 | $661.7K | 0.00% | −460,542−81.6% | Reduced |
| Susquehanna International Group, LLP | 103,638 | $659.1K | 0.00% | −38,331−27.0% | Reduced |
| American Century Companies Inc | 103,208 | $656.4K | 0.00% | +5,611+5.7% | Added |
| Royal Bank of Canada | 101,001 | $642.0K | 0.00% | −146,677−59.2% | Reduced |
| Citadel Advisors LLC | 98,572 | $626.9K | 0.00% | +15,391+18.5% | Added |
| Two Sigma Advisers, LP | 86,890 | $552.6K | 0.00% | −55,300−38.9% | Reduced |
| XTX Topco Ltd | 74,093 | $471.2K | 0.01% | +62,783+555.1% | Added |
| Nuveen, LLC | 71,455 | $454.5K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 69,383 | $441.3K | 0.00% | −80,396−53.7% | Reduced |
| AQR Capital Management LLC | 65,522 | $416.7K | 0.00% | −92,453−58.5% | Reduced |
| Quantinno Capital Management LP | 63,791 | $405.7K | 0.00% | +36,281+131.9% | Added |
| Clarius Group, LLC | 62,060 | $394.7K | 0.02% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 61,722 | $392.6K | 0.00% | −74,853−54.8% | Reduced |
| Mount Lucas Management LP | 56,500 | $359.3K | 0.16% | −3,500−5.8% | Reduced |
| Susquehanna Portfolio Strategies, LLC | 55,150 | $350.8K | 0.01% | −42,519−43.5% | Reduced |
| Rhumbline Advisers | 55,114 | $350.5K | 0.00% | −1,943−3.4% | Reduced |
| Peddock Capital Advisors, LLC | 52,105 | $331.4K | 0.07% | 00.0% | Unchanged |
| PDT Partners, LLC | 47,668 | $303.2K | 0.02% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 45,627 | $290.2K | 0.00% | +45,627 | New |
| Alliancebernstein L.P. | 44,480 | $282.9K | 0.00% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 43,778 | $279.0K | 0.00% | −15,000−25.5% | Reduced |
| Bridgeway Capital Management, LLC | 43,000 | $273.5K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 42,547 | $270.6K | 0.00% | −45,819−51.9% | Reduced |
| Deutsche Bank AG | 29,906 | $190.2K | 0.00% | +1,817+6.5% | Added |
| Numerai GP LLC | 29,762 | $189.3K | 0.02% | −58,302−66.2% | Reduced |
| Los Angeles Capital Management LLC | 34,978 | $174.9K | 0.00% | +34,978 | New |
| Paragon Associates & Paragon Associates II Joint Venture | 25,000 | $159.0K | 0.33% | −75,671−75.2% | Reduced |
| LPL Financial LLC | 24,877 | $158.2K | 0.00% | +24,877 | New |
| ExodusPoint Capital Management, LP | 24,080 | $153.1K | 0.00% | +24,080 | New |
| Advisor Group Holdings, Inc. | 23,221 | $147.7K | 0.00% | −1,515−6.1% | Reduced |
| Quadrature Capital Ltd | 21,707 | $138.1K | 0.00% | +21,707 | New |
| Virtu Financial LLC | 20,626 | $131.0K | 0.01% | +20,626 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 20,476 | $130.2K | 0.00% | +1,367+7.2% | Added |
| Intech Investment Management LLC | 19,065 | $121.3K | 0.00% | −96−0.5% | Reduced |
| Brevan Howard Capital Management LP | 16,800 | $106.8K | 0.00% | −6,444−27.7% | Reduced |
| MetLife Investment Management | 15,967 | $101.5K | 0.00% | −6,975−30.4% | Reduced |
| Allspring Global Investments Holdings, LLC | 15,560 | $100.1K | 0.00% | +1,457+10.3% | Added |
| Manufacturers Life Insurance Company, The | 14,128 | $89.9K | 0.00% | +327+2.4% | Added |
| TCG Advisory Services, LLC | 13,661 | $86.9K | 0.00% | +1,500+12.3% | Added |
| JustInvest LLC | 13,172 | $83.8K | 0.00% | +164+1.3% | Added |
| HRT Financial LP | 13,018 | $82.0K | 0.00% | +13,018 | New |
| Jain Global LLC | 12,677 | $80.6K | 0.00% | −4,700−27.0% | Reduced |
| DekaBank Deutsche Girozentrale | 4,566 | $80.0K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 11,800 | $75.0K | 0.00% | +11,800 | New |
| Post Resch Tallon Group Inc. | 11,575 | $73.6K | 0.06% | −500−4.1% | Reduced |
| Commonwealth Equity Services, LLC | 11,238 | $71.5K | 0.00% | −6,227−35.7% | Reduced |
| Axq Capital, LP | 11,009 | $70.0K | 0.02% | +11,009 | New |
| Police & Firemen's Retirement System of New Jersey | 10,062 | $64.0K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 6,501 | $41.3K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 6,357 | $40.4K | 0.00% | +6,318+16,200.0% | Added |
| Farther Finance Advisors, LLC | 4,078 | $25.9K | 0.00% | +4,078 | New |
| Legal & General Group Plc | 3,993 | $25.4K | 0.00% | +686+20.7% | Added |
| Ameritas Investment Partners, Inc. | 3,475 | $22.1K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 2,718 | $17.3K | 0.00% | +180+7.1% | Added |
| Sterling Capital Management LLC | 2,323 | $14.8K | 0.00% | −256−9.9% | Reduced |
| CWM, LLC | 1,952 | $12.0K | 0.00% | +658+50.9% | Added |
| Versant Capital Management, Inc | 1,778 | $11.3K | 0.00% | +357+25.1% | Added |
| Tower Research Capital LLC (TRC) | 1,620 | $10.3K | 0.00% | −1,408−46.5% | Reduced |
| Rockefeller Capital Management L.P. | 1,513 | $9.62K | 0.00% | −950−38.6% | Reduced |