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, Q1 2026
Institutional positions in Quanterix Corp as of Mar 31, 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
- 128
- −4 vs. Q4 2025
- Shares held
- 36.4M
- +4.07M (+12.6%) vs. Q4 2025
- Total value
- $128.4M
- −$77.5M (−37.6%) vs. Q4 2025
- New holders
- 19
- 51 more added
- Sold out
- 23
- 36 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Quanterix Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ameriprise Financial Inc | 3,542,374 | $12.5M | 0.00% | −1,453,699−29.1% | Reduced |
| BlackRock, Inc. | 3,277,595 | $11.5M | 0.00% | −98,315−2.9% | Reduced |
| Portolan Capital Management, LLC | 2,945,823 | $10.4M | 0.55% | −1,579,730−34.9% | Reduced |
| Blue Water Life Science Advisors, LLC | 2,142,147 | $7.54M | 6.05% | +50,000+2.4% | Added |
| William Blair Investment Management, LLC | 2,083,699 | $7.33M | 0.02% | +37,250+1.8% | Added |
| Invenomic Capital Management LP | 1,932,386 | $6.80M | 0.31% | +427,178+28.4% | Added |
| Vanguard Capital Management LLC | 1,784,613 | $6.28M | 0.00% | +1,784,613 | New |
| Levin Capital Strategies, L.P. | 1,464,052 | $5.15M | 0.39% | +1,464,052 | New |
| First Eagle Investment Management, LLC | 1,300,087 | $4.58M | 0.01% | +768,660+144.6% | Added |
| Geode Capital Management, LLC | 994,764 | $3.50M | 0.00% | −79,203−7.4% | Reduced |
| Trium Capital LLP | 994,217 | $3.50M | 2.54% | +176,766+21.6% | Added |
| State Street Corp | 898,277 | $3.16M | 0.00% | +4,876+0.5% | Added |
| Empire Financial Management Company, LLC | 736,068 | $2.59M | 0.59% | +118,238+19.1% | Added |
| Millennium Management LLC | 689,167 | $2.43M | 0.00% | +286,536+71.2% | Added |
| Envestnet Asset Management Inc | 682,711 | $2.40M | 0.00% | +430,500+170.7% | Added |
| Russell Investments Group, Ltd. | 641,981 | $2.26M | 0.00% | +385,841+150.6% | Added |
| Marshall Wace, LLP | 622,380 | $2.19M | 0.00% | +467,211+301.1% | Added |
| Williams Jones Wealth Management, LLC. | 613,439 | $2.16M | 0.03% | −25,500−4.0% | Reduced |
| Morgan Stanley | 607,856 | $2.14M | 0.00% | −215,142−26.1% | Reduced |
| Vanguard Portfolio Management LLC | 576,600 | $2.03M | 0.00% | +576,600 | New |
| Tikvah Management LLC | 571,619 | $2.01M | 0.62% | 00.0% | Unchanged |
| Topline Capital Management, LLC | 563,135 | $1.98M | 0.33% | +563,135 | New |
| Pier Capital, LLC | 492,368 | $1.73M | 0.29% | +492,368 | New |
| Dimensional Fund Advisors LP | 443,118 | $1.56M | 0.00% | +53,652+13.8% | Added |
| UBS Group AG | 376,982 | $1.33M | 0.00% | +65,483+21.0% | Added |
| Northern Trust Corp | 349,658 | $1.23M | 0.00% | +4,094+1.2% | Added |
| Charles Schwab Investment Management Inc | 345,913 | $1.22M | 0.00% | −16,827−4.6% | Reduced |
| Parkman Healthcare Partners LLC | 341,453 | $1.20M | 0.12% | +12,497+3.8% | Added |
| Tudor Investment Corp Et Al | 316,001 | $1.11M | 0.01% | +146,306+86.2% | Added |
| Vanguard Fiduciary Trust Co | 270,529 | $952.3K | 0.00% | +270,529 | New |
| Goldman Sachs Group Inc | 270,187 | $951.1K | 0.00% | +21,945+8.8% | Added |
| Royal Bank of Canada | 232,101 | $817.0K | 0.00% | +131,100+129.8% | Added |
| FMR LLC | 183,356 | $645.4K | 0.00% | +23,449+14.7% | Added |
| Ironwood Investment Management LLC | 169,825 | $597.8K | 0.25% | −2,505−1.5% | Reduced |
| Jane Street Group, LLC | 155,655 | $547.9K | 0.00% | +86,272+124.3% | Added |
| Renaissance Technologies LLC | 136,207 | $479.4K | 0.00% | +124,407+1,054.3% | Added |
| BNP Paribas Arbitrage, SA | 134,403 | $473.1K | 0.00% | −34,027−20.2% | Reduced |
| Wells Fargo & Company | 129,024 | $454.2K | 0.00% | −33,662−20.7% | Reduced |
| Bank of New York Mellon Corp | 126,363 | $444.8K | 0.00% | +2,842+2.3% | Added |
| Clearstead Advisors, LLC | 124,120 | $436.9K | 0.00% | +124,115+2,482,300.0% | Added |
| SCS Capital Management LLC | 120,035 | $422.5K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 116,216 | $409.1K | 0.00% | +3,016+2.7% | Added |
| XTX Topco Ltd | 111,660 | $393.0K | 0.01% | +37,567+50.7% | Added |
| American Century Companies Inc | 101,810 | $358.4K | 0.00% | −1,398−1.4% | Reduced |
| Gsa Capital Partners LLP | 95,528 | $336.0K | 0.02% | −25,997−21.4% | Reduced |
| Point72 Asset Management, L.P. | 93,253 | $328.3K | 0.00% | +93,253 | New |
| Brevan Howard Capital Management LP | 87,386 | $307.6K | 0.00% | +70,586+420.2% | Added |
| AQR Capital Management LLC | 84,132 | $296.1K | 0.00% | +18,610+28.4% | Added |
| State of Wisconsin Investment Board | 84,124 | $296.1K | 0.00% | −63,700−43.1% | Reduced |
| Alliancebernstein L.P. | 44,480 | $282.9K | 0.00% | 00.0% | Unchanged |
| Dynamic Technology Lab Private Ltd | 77,871 | $274.1K | 0.04% | +77,871 | New |
| Nuveen, LLC | 71,842 | $252.9K | 0.00% | +387+0.5% | Added |
| HRT Financial LP | 71,686 | $252.0K | 0.00% | +58,668+450.7% | Added |
| Price T Rowe Associates Inc | 68,372 | $241.0K | 0.00% | +24,594+56.2% | Added |
| Bridgeway Capital Management, LLC | 68,226 | $240.2K | 0.00% | +25,226+58.7% | Added |
| Citadel Advisors LLC | 61,001 | $214.7K | 0.00% | −37,571−38.1% | Reduced |
| Peddock Capital Advisors, LLC | 52,105 | $183.4K | 0.04% | 00.0% | Unchanged |
| Rhumbline Advisers | 52,065 | $183.3K | 0.00% | −3,049−5.5% | Reduced |
| Susquehanna International Group, LLP | 50,719 | $178.5K | 0.00% | −52,919−51.1% | Reduced |
| Bank of America Corp | 49,552 | $174.4K | 0.00% | +7,005+16.5% | Added |
| PDT Partners, LLC | 47,668 | $167.8K | 0.01% | 00.0% | Unchanged |
| Quantinno Capital Management LP | 47,594 | $167.5K | 0.00% | −16,197−25.4% | Reduced |
| Schonfeld Strategic Advisors LLC | 42,786 | $150.6K | 0.00% | −18,936−30.7% | Reduced |
| Fox Run Management, L.L.C. | 39,592 | $135.8K | 0.02% | +39,592 | New |
| Deutsche Bank AG | 35,460 | $124.8K | 0.00% | +5,554+18.6% | Added |
| Two Sigma Investments, LP | 35,185 | $123.9K | 0.00% | −223,673−86.4% | Reduced |
| Jump Financial, LLC | 28,430 | $100.1K | 0.00% | −115,665−80.3% | Reduced |
| LPL Financial LLC | 25,681 | $90.4K | 0.00% | +804+3.2% | Added |
| Axq Capital, LP | 24,354 | $85.7K | 0.01% | +13,345+121.2% | Added |
| Engineers Gate Manager LP | 23,800 | $83.8K | 0.00% | +23,800 | New |
| Advisor Group Holdings, Inc. | 22,816 | $80.3K | 0.00% | −405−1.7% | Reduced |
| MetLife Investment Management | 22,576 | $79.5K | 0.00% | +6,609+41.4% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 19,580 | $68.9K | 0.00% | −896−4.4% | Reduced |
| Virtu Financial LLC | 18,988 | $67.0K | 0.00% | −1,638−7.9% | Reduced |
| Vanguard Global Advisers, LLC | 18,525 | $65.2K | 0.00% | +18,525 | New |
| Allspring Global Investments Holdings, LLC | 17,216 | $60.6K | 0.00% | +1,656+10.6% | Added |
| JPMorgan Chase & Co | 17,411 | $59.7K | 0.00% | −96,610−84.7% | Reduced |
| Barclays PLC | 16,746 | $58.9K | 0.00% | −103,457−86.1% | Reduced |
| TCG Advisory Services, LLC | 13,661 | $48.1K | 0.00% | 00.0% | Unchanged |
| Post Resch Tallon Group Inc. | 12,500 | $45.0K | 0.04% | +925+8.0% | Added |
| Intech Investment Management LLC | 11,666 | $41.1K | 0.00% | −7,399−38.8% | Reduced |
| Manufacturers Life Insurance Company, The | 11,412 | $40.2K | 0.00% | −2,716−19.2% | Reduced |
| Mercer Global Advisors Inc | 10,875 | $38.3K | 0.00% | +10,875 | New |
| Police & Firemen's Retirement System of New Jersey | 10,062 | $35.4K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 7,626 | $26.8K | 0.00% | +5,674+290.7% | Added |
| New York State Common Retirement Fund | 6,501 | $22.9K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 3,993 | $14.1K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,987 | $14.0K | 0.00% | +2,367+146.1% | Added |
| Ameritas Investment Partners, Inc. | 3,475 | $12.2K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 2,389 | $8.41K | 0.00% | −329−12.1% | Reduced |
| Citigroup Inc | 1,962 | $6.91K | 0.00% | −110,418−98.3% | Reduced |
| Versant Capital Management, Inc | 1,832 | $6.45K | 0.00% | +54+3.0% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,799 | $6.33K | 0.00% | +1,799 | New |
| Essential Partners LLC | 1,717 | $6.04K | 0.00% | +1,688+5,820.7% | Added |
| The PNC Financial Services Group, Inc. | 1,573 | $5.54K | 0.00% | +404+34.6% | Added |
| Sterling Capital Management LLC | 1,275 | $4.49K | 0.00% | −1,048−45.1% | Reduced |
| GWM Advisors LLC | 1,000 | $3.52K | 0.00% | −100−9.1% | Reduced |
| Group One Trading, L.P. | 872 | $3.07K | 0.00% | +872 | New |
| Bryn Mawr Trust Co | 800 | $2.82K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 771 | $2.71K | 0.00% | +300+63.7% | Added |