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 |
|---|---|---|---|---|---|
| Covestor Ltd | 10 | $0 | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 7 | $25 | 0.00% | +7 | New |
| IFP Advisors, Inc | 8 | $28 | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 9 | $32 | 0.00% | +9 | New |
| Northwestern Mutual Wealth Management Co | 13 | $46 | 0.00% | +13 | New |
| Rothschild Investment LLC | 21 | $74 | 0.00% | +8+61.5% | Added |
| STRS Ohio | 29 | $102 | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 39 | $137 | 0.00% | −524−93.1% | Reduced |
| Huntington National Bank | 39 | $138 | 0.00% | +38+3,800.0% | Added |
| EverSource Wealth Advisors, LLC | 55 | $193 | 0.00% | −168−75.3% | Reduced |
| Cypress Capital Management LLC (WY) | 60 | $211 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 62 | $218 | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 73 | $261 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 100 | $352 | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 106 | $373 | 0.00% | +106 | New |
| Allworth Financial LP | 111 | $391 | 0.00% | +55+98.2% | Added |
| True Wealth Design, LLC | 151 | $532 | 0.00% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 228 | $803 | 0.00% | −34,750−99.3% | Reduced |
| Rockefeller Capital Management L.P. | 248 | $873 | 0.00% | −1,265−83.6% | Reduced |
| Parallel Advisors, LLC | 270 | $950 | 0.00% | +270 | New |
| Sit Investment Associates Inc | 272 | $1.00K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 387 | $1.36K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 414 | $1.46K | 0.00% | +235+131.3% | Added |
| Optiver Holding B.V. | 445 | $1.57K | 0.00% | +100+29.0% | Added |
| Pinnacle Bancorp, Inc. | 520 | $1.83K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 526 | $1.85K | 0.00% | −5,831−91.7% | Reduced |
| National Bank of Canada | 627 | $2.20K | 0.00% | +542+637.6% | Added |
| GAMMA Investing LLC | 690 | $2.43K | 0.00% | +119+20.8% | Added |
| UBS Asset Management Americas Inc | 771 | $2.71K | 0.00% | +300+63.7% | Added |
| Bryn Mawr Trust Co | 800 | $2.82K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 872 | $3.07K | 0.00% | +872 | New |
| GWM Advisors LLC | 1,000 | $3.52K | 0.00% | −100−9.1% | Reduced |
| Sterling Capital Management LLC | 1,275 | $4.49K | 0.00% | −1,048−45.1% | Reduced |
| The PNC Financial Services Group, Inc. | 1,573 | $5.54K | 0.00% | +404+34.6% | Added |
| Essential Partners LLC | 1,717 | $6.04K | 0.00% | +1,688+5,820.7% | Added |
| Pinnacle Wealth Planning Services, Inc. | 1,799 | $6.33K | 0.00% | +1,799 | New |
| Versant Capital Management, Inc | 1,832 | $6.45K | 0.00% | +54+3.0% | Added |
| Citigroup Inc | 1,962 | $6.91K | 0.00% | −110,418−98.3% | Reduced |
| California State Teachers Retirement System | 2,389 | $8.41K | 0.00% | −329−12.1% | Reduced |
| Ameritas Investment Partners, Inc. | 3,475 | $12.2K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 3,987 | $14.0K | 0.00% | +2,367+146.1% | Added |
| Legal & General Group Plc | 3,993 | $14.1K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 6,501 | $22.9K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 7,626 | $26.8K | 0.00% | +5,674+290.7% | Added |
| Police & Firemen's Retirement System of New Jersey | 10,062 | $35.4K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 10,875 | $38.3K | 0.00% | +10,875 | New |
| Manufacturers Life Insurance Company, The | 11,412 | $40.2K | 0.00% | −2,716−19.2% | Reduced |
| Intech Investment Management LLC | 11,666 | $41.1K | 0.00% | −7,399−38.8% | Reduced |
| Post Resch Tallon Group Inc. | 12,500 | $45.0K | 0.04% | +925+8.0% | Added |
| TCG Advisory Services, LLC | 13,661 | $48.1K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 16,746 | $58.9K | 0.00% | −103,457−86.1% | Reduced |
| JPMorgan Chase & Co | 17,411 | $59.7K | 0.00% | −96,610−84.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 17,216 | $60.6K | 0.00% | +1,656+10.6% | Added |
| Vanguard Global Advisers, LLC | 18,525 | $65.2K | 0.00% | +18,525 | New |
| Virtu Financial LLC | 18,988 | $67.0K | 0.00% | −1,638−7.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 19,580 | $68.9K | 0.00% | −896−4.4% | Reduced |
| MetLife Investment Management | 22,576 | $79.5K | 0.00% | +6,609+41.4% | Added |
| Advisor Group Holdings, Inc. | 22,816 | $80.3K | 0.00% | −405−1.7% | Reduced |
| Engineers Gate Manager LP | 23,800 | $83.8K | 0.00% | +23,800 | New |
| Axq Capital, LP | 24,354 | $85.7K | 0.01% | +13,345+121.2% | Added |
| LPL Financial LLC | 25,681 | $90.4K | 0.00% | +804+3.2% | Added |
| Jump Financial, LLC | 28,430 | $100.1K | 0.00% | −115,665−80.3% | Reduced |
| Two Sigma Investments, LP | 35,185 | $123.9K | 0.00% | −223,673−86.4% | Reduced |
| Deutsche Bank AG | 35,460 | $124.8K | 0.00% | +5,554+18.6% | Added |
| Fox Run Management, L.L.C. | 39,592 | $135.8K | 0.02% | +39,592 | New |
| Schonfeld Strategic Advisors LLC | 42,786 | $150.6K | 0.00% | −18,936−30.7% | Reduced |
| Quantinno Capital Management LP | 47,594 | $167.5K | 0.00% | −16,197−25.4% | Reduced |
| PDT Partners, LLC | 47,668 | $167.8K | 0.01% | 00.0% | Unchanged |
| Bank of America Corp | 49,552 | $174.4K | 0.00% | +7,005+16.5% | Added |
| Susquehanna International Group, LLP | 50,719 | $178.5K | 0.00% | −52,919−51.1% | Reduced |
| Rhumbline Advisers | 52,065 | $183.3K | 0.00% | −3,049−5.5% | Reduced |
| Peddock Capital Advisors, LLC | 52,105 | $183.4K | 0.04% | 00.0% | Unchanged |
| Citadel Advisors LLC | 61,001 | $214.7K | 0.00% | −37,571−38.1% | Reduced |
| Bridgeway Capital Management, LLC | 68,226 | $240.2K | 0.00% | +25,226+58.7% | Added |
| Price T Rowe Associates Inc | 68,372 | $241.0K | 0.00% | +24,594+56.2% | Added |
| HRT Financial LP | 71,686 | $252.0K | 0.00% | +58,668+450.7% | Added |
| Nuveen, LLC | 71,842 | $252.9K | 0.00% | +387+0.5% | Added |
| Dynamic Technology Lab Private Ltd | 77,871 | $274.1K | 0.04% | +77,871 | New |
| Alliancebernstein L.P. | 44,480 | $282.9K | 0.00% | 00.0% | Unchanged |
| State of Wisconsin Investment Board | 84,124 | $296.1K | 0.00% | −63,700−43.1% | Reduced |
| AQR Capital Management LLC | 84,132 | $296.1K | 0.00% | +18,610+28.4% | Added |
| Brevan Howard Capital Management LP | 87,386 | $307.6K | 0.00% | +70,586+420.2% | Added |
| Point72 Asset Management, L.P. | 93,253 | $328.3K | 0.00% | +93,253 | New |
| Gsa Capital Partners LLP | 95,528 | $336.0K | 0.02% | −25,997−21.4% | Reduced |
| American Century Companies Inc | 101,810 | $358.4K | 0.00% | −1,398−1.4% | Reduced |
| XTX Topco Ltd | 111,660 | $393.0K | 0.01% | +37,567+50.7% | Added |
| Invesco Ltd. | 116,216 | $409.1K | 0.00% | +3,016+2.7% | Added |
| SCS Capital Management LLC | 120,035 | $422.5K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 124,120 | $436.9K | 0.00% | +124,115+2,482,300.0% | Added |
| Bank of New York Mellon Corp | 126,363 | $444.8K | 0.00% | +2,842+2.3% | Added |
| Wells Fargo & Company | 129,024 | $454.2K | 0.00% | −33,662−20.7% | Reduced |
| BNP Paribas Arbitrage, SA | 134,403 | $473.1K | 0.00% | −34,027−20.2% | Reduced |
| Renaissance Technologies LLC | 136,207 | $479.4K | 0.00% | +124,407+1,054.3% | Added |
| Jane Street Group, LLC | 155,655 | $547.9K | 0.00% | +86,272+124.3% | Added |
| Ironwood Investment Management LLC | 169,825 | $597.8K | 0.25% | −2,505−1.5% | Reduced |
| FMR LLC | 183,356 | $645.4K | 0.00% | +23,449+14.7% | Added |
| Royal Bank of Canada | 232,101 | $817.0K | 0.00% | +131,100+129.8% | Added |
| Goldman Sachs Group Inc | 270,187 | $951.1K | 0.00% | +21,945+8.8% | Added |
| Vanguard Fiduciary Trust Co | 270,529 | $952.3K | 0.00% | +270,529 | New |
| Tudor Investment Corp Et Al | 316,001 | $1.11M | 0.01% | +146,306+86.2% | Added |