QuanterixQTRX
13F holders, Q4 2025 (December 31)134holders +5
20new positions
13sold out
6famous investors
$6.36avg. 13F price*
At the end of Q4 2025, 134 institutions reported holding Quanterix Corp. (QTRX) in their 13F filings, up 5 from Q3 2025. 20 opened new positions and 13 sold out. The largest holders were Ameriprise Financial Inc. ($31.8M), Portolan Capital Management, LLC ($28.8M) and BlackRock, Inc. ($21.5M). 6 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Quanterix Corp.
- CUSIP
- 74766Q101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 20 | $6.5M |
| Exits | 13 | $733K |
All 13F filers, Q3 2025 → Q4 2025: 5,204,634 shares bought and 4,448,499 shares sold, net +756,135 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 134 holders
| Ameriprise Financial Inc. | 0.01% | Add +17.7% | 4,996,073 | $31.8M |
| Portolan Capital Management, LLC | 1.54% | Add +6.2% | 4,525,553 | $28.8M |
| BlackRock, Inc. | 0.00% | Add +8.4% | 3,375,910 | $21.5M |
| Vanguard Group Inc. | 0.00% | Add +1.1% | 2,677,833 | $17.0M |
| Blue Water Life Science Advisors, LP | 8.35% | Add +118.4% | 2,092,147 | $13.3M |
| William Blair Investment Management, LLC | 0.04% | Add +55.6% | 2,046,449 | $13.0M |
| Invenomic Capital Management LP | 0.46% | Add +8.1% | 1,505,208 | $9.6M |
| Geode Capital Management, LLC | 0.00% | Add +6.1% | 1,073,967 | $6.8M |
| State Street Corp. | 0.00% | Add +9.0% | 893,401 | $5.7M |
| Morgan Stanley | 0.00% | Add +2.1% | 822,998 | $5.2M |
| Trium Capital LLP | 4.04% | Add +18.7% | 817,451 | $5.2M |
| Williams Jones Wealth Management, LLC. | 0.05% | Reduce -6.9% | 638,939 | $4.1M |
| Empire Financial Management Company, LLC | 0.85% | Add +36.6% | 617,830 | $3.9M |
| Easterly Investment Partners LLC | 0.24% | Reduce -50.8% | 616,681 | $3.9M |
| Tikvah Management LLC | 0.97% | No change | 571,619 | $3.6M |
| First Eagle Investment Management, LLC | 0.01% | New | 531,427 | $3.4M |
| Millennium Management | 0.00% | Reduce -66.7% | 402,631 | $2.6M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -44.9% | 389,466 | $2.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +9.5% | 362,740 | $2.3M |
| Northern Trust Corp. | 0.00% | Reduce -2.3% | 345,564 | $2.2M |
| Parkman Healthcare Partners LLC | 0.20% | Add +30.4% | 328,956 | $2.1M |
| UBS Group AG | 0.00% | Reduce -16.6% | 311,499 | $2.0M |
| Two Sigma Investments, LP | 0.00% | Add +3.5% | 258,858 | $1.6M |
| Russell Investments Group, Ltd. | 0.00% | Reduce -41.0% | 256,140 | $1.6M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -51.1% | 252,211 | $1.6M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -10.7% | 248,242 | $1.6M |
| Ironwood Investment Management LLC | 0.46% | Reduce -11.2% | 172,330 | $1.1M |
| Tudor Investment Corporation | 0.01% | New | 169,695 | $1.1M |
| BNP Paribas Financial Markets | 0.00% | Add +12.0% | 168,430 | $1.1M |
| Wells Fargo & Company | 0.00% | Add +12.7% | 162,686 | $1.0M |
| FMR LLC | 0.00% | Add +36.5% | 159,907 | $1.0M |
| Marshall Wace, LLP | 0.00% | Reduce -74.5% | 155,169 | $987K |
| State of Wisconsin Investment Board | 0.00% | Reduce -24.5% | 147,824 | $940K |
| Jump Financial, LLC | 0.01% | Add +21.8% | 144,095 | $916K |
| Bank of New York Mellon Corp | 0.00% | Add +5.1% | 123,521 | $786K |
| Gsa Capital Partners LLP | 0.07% | New | 121,525 | $773K |
| Barclays PLC | 0.00% | Add +78.7% | 120,203 | $764K |
| SCS Capital Management LLC | 0.01% | No change | 120,035 | $763K |
| JPMorgan Chase & Co. | 0.00% | Reduce -49.9% | 114,021 | $725K |
| Invesco Ltd. | 0.00% | Add +14.7% | 113,200 | $720K |
| Citigroup Inc. | 0.00% | Reduce -48.6% | 112,380 | $715K |
| Aberdeen Group plc | 0.00% | Reduce -81.6% | 104,039 | $662K |
| Susquehanna International Group, LLP | 0.00% | Reduce -27.0% | 103,638 | $659K |
| American Century Companies Inc. | 0.00% | Add +5.8% | 103,208 | $656K |
| Royal Bank of Canada | 0.00% | Reduce -59.2% | 101,001 | $642K |
| Citadel Advisors | 0.00% | Add +18.5% | 98,572 | $627K |
| Two Sigma Advisers, LP | 0.00% | Reduce -38.9% | 86,890 | $553K |
| XTX Topco Ltd | 0.01% | Add +555.1% | 74,093 | $471K |
| Nuveen, LLC | 0.00% | No change | 71,455 | $454K |
| Jane Street Group, LLC | 0.00% | Reduce -53.7% | 69,383 | $441K |
| AQR Capital Management | 0.00% | Reduce -58.5% | 65,522 | $417K |
| Quantinno Capital Management LP | 0.00% | Add +131.9% | 63,791 | $406K |
| Clarius Group, LLC | 0.02% | No change | 62,060 | $395K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -54.8% | 61,722 | $393K |
| Mount Lucas Management LP | 0.16% | Reduce -5.8% | 56,500 | $359K |
| Susquehanna Portfolio Strategies, LLC | 0.01% | Reduce -43.5% | 55,150 | $351K |
| Rhumbline Advisers | 0.00% | Reduce -3.4% | 55,114 | $351K |
| Peddock Capital Advisors, LLC | 0.07% | No change | 52,105 | $331K |
| PDT Partners, LLC | 0.02% | No change | 47,668 | $303K |
| D. E. Shaw & Co. | 0.00% | New | 45,627 | $290K |
| Alliancebernstein L.P. | 0.00% | No change | 44,480 | $283K |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -25.5% | 43,778 | $279K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 43,000 | $273K |
| Bank of America Corp. | 0.00% | Reduce -51.9% | 42,547 | $271K |
| Deutsche Bank AG | 0.00% | Add +6.5% | 29,906 | $190K |
| Numerai GP LLC | 0.02% | Reduce -66.2% | 29,762 | $189K |
| Los Angeles Capital Management LLC | 0.00% | New | 34,978 | $175K |
| Paragon Associates & Paragon Associates II Joint Venture | 0.33% | Reduce -75.2% | 25,000 | $159K |
| LPL Financial LLC | 0.00% | New | 24,877 | $158K |
| ExodusPoint Capital Management, LP | 0.00% | New | 24,080 | $153K |
| Osaic Holdings, Inc. | 0.00% | Reduce -6.1% | 23,221 | $148K |
| Quadrature Capital Ltd | 0.00% | New | 21,707 | $138K |
| Virtu Financial LLC | 0.01% | New | 20,626 | $131K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +7.2% | 20,476 | $130K |
| Intech Investment Management LLC | 0.00% | Reduce -0.5% | 19,065 | $121K |
| Brevan Howard Capital Management LP | 0.00% | Reduce -27.7% | 16,800 | $107K |
| MetLife Investment Management, LLC | 0.00% | Reduce -30.4% | 15,967 | $102K |
| Allspring Global Investments Holdings, LLC | 0.00% | Add +10.3% | 15,560 | $100K |
| Manufacturers Life Insurance Company, The | 0.00% | Add +2.4% | 14,128 | $90K |
| HUB Investment Partners, LLC | 0.00% | Add +12.3% | 13,661 | $87K |
| Vanguard Personalized Indexing Management, LLC | 0.00% | Add +1.3% | 13,172 | $84K |
| HRT Financial LP | 0.00% | New | 13,018 | $82K |
| Jain Global LLC | 0.00% | Reduce -27.1% | 12,677 | $81K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 4,566 | $80K |
| Renaissance Technologies | 0.00% | New | 11,800 | $75K |
| Post Resch Tallon Group Inc. | 0.06% | Reduce -4.1% | 11,575 | $74K |
| Commonwealth Equity Services, LLC | 0.00% | Reduce -35.6% | 11,238 | $71K |
| Axq Capital, LP | 0.02% | New | 11,009 | $70K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 10,062 | $64K |
| New York State Common Retirement Fund | 0.00% | No change | 6,501 | $41K |
| US Bancorp \de | 0.00% | Add +16200.0% | 6,357 | $40K |
| Farther Finance Advisors, LLC | 0.00% | New | 4,078 | $26K |
| Legal & General Group Plc | 0.00% | Add +20.7% | 3,993 | $25K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 3,475 | $22K |
| California State Teachers Retirement System | 0.00% | Add +7.1% | 2,718 | $17K |
| Sterling Capital Management LLC | 0.00% | Reduce -9.9% | 2,323 | $15K |
| Cwm, LLC | 0.00% | Add +50.9% | 1,952 | $12K |
| Versant Capital Management, Inc | 0.00% | Add +25.1% | 1,778 | $11K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -46.5% | 1,620 | $10K |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -38.6% | 1,513 | $10K |
| Amalgamated Bank | 0.00% | Add +16.6% | 1,387 | $9K |
| PNC Financial Services Group, Inc. | 0.00% | Add +25.2% | 1,169 | $7K |
| NewEdge Advisors, LLC | 0.00% | No change | 1,100 | $7K |
| Quadrant Capital Group LLC | 0.00% | New | 961 | $6K |
| Wilmington Savings Fund Society, FSB | 0.00% | No change | 800 | $5K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 763 | $5K |
| GAMMA Investing LLC | 0.00% | Add +237.9% | 571 | $4K |
| Transamerica Financial Advisors, LLC | 0.00% | No change | 563 | $4K |
| Pinnacle Bancorp, Inc. | 0.00% | No change | 520 | $3K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 471 | $3K |
| Signaturefd, LLC | 0.00% | New | 387 | $2K |
| Optiver Holding B.V. | 0.00% | Reduce -52.7% | 345 | $2K |
| AlphaQuest LLC | 0.00% | No change | 336 | $2K |
| Sit Investment Associates Inc. | 0.00% | No change | 272 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +62.8% | 223 | $1K |
| Lanark Financial, Inc. | 0.00% | Reduce -36.3% | 179 | $1K |
| Arax Advisory Partners | 0.00% | Reduce -63.3% | 154 | $979 |
| True Wealth Design, LLC | 0.00% | No change | 151 | $961 |
| Concord Wealth Partners | 0.00% | No change | 100 | $636 |
| North Star Investment Management Corp. | 0.00% | No change | 100 | $636 |
| Rialto Wealth Management, LLC | 0.00% | No change | 96 | $611 |
| Basecamp Wealth Advisors LLC | 0.00% | — | 87 | $553 |
| National Bank of Canada | 0.00% | New | 85 | $541 |
| Jones Financial Companies LLLP | 0.00% | No change | 73 | $464 |
| SBI Securities Co., Ltd. | 0.00% | No change | 62 | $394 |
| Cypress Capital Management LLC (WY) | 0.00% | No change | 60 | $382 |
| Allworth Financial LP | 0.00% | Add +16.7% | 56 | $357 |
| Essential Partners LLC | 0.00% | New | 29 | $184 |
| STRS Ohio | 0.00% | No change | 29 | $184 |
| Rothschild Investment LLC | 0.00% | New | 13 | $83 |
| IFP Advisors, Inc | 0.00% | Reduce -33.3% | 8 | $51 |
| Clearstead Advisors, LLC | 0.00% | Reduce -96.2% | 5 | $32 |
| Huntington National Bank | 0.00% | No change | 1 | $6 |
| Covestor Ltd | 0.00% | No change | 10 | $0 |
"% of holder's portfolio" is QTRX's weight in each manager's 13F, not the share of Quanterix Corp. the manager owns.