Quanterix Corp - QTRX

Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 2 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
AMERIPRISE FINANCIAL INC History Added to 4,996,073 31,775 0.01% 0.01% 1 +752,561 17.73% Q4 2025 Feb 17, 2026
Portolan Capital Management, LLC History Added to 4,525,553 28,782 1.54% 1.25% 2 +265,702 6.24% Q4 2025 Feb 17, 2026
BlackRock, Inc. History Added to 3,375,910 21,470 0.0% 0.0% 3 +262,930 8.45% Q4 2025 Feb 12, 2026
VANGUARD GROUP INC History Added to 2,677,833 17,031 0.0% 0.0% 4 +30,318 1.15% Q4 2025 Jan 29, 2026
Blue Water Life Science Advisors, LP History Added to 2,092,147 13,306 8.35% 4.74% 5 +1,134,400 118.44% Q4 2025 Feb 17, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC History Added to 2,046,449 13,015 0.04% 0.02% 6 +731,169 55.59% Q4 2025 Feb 09, 2026
Invenomic Capital Management LP History Added to 1,505,208 9,573 0.45% 0.37% 7 +112,203 8.05% Q4 2025 Feb 17, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 1,073,967 6,832 0.0% 0.0% 8 +62,077 6.13% Q4 2025 Feb 09, 2026
STATE STREET CORP History Added to 893,401 5,682 0.0% 0.0% 9 +73,867 9.01% Q4 2025 Feb 13, 2026
MORGAN STANLEY History Added to 822,998 5,234 0.0% 0.0% 10 +16,735 2.08% Q4 2025 Feb 13, 2026
Trium Capital LLP History Added to 817,451 5,198 4.03% 1.46% 11 +128,854 18.71% Q4 2025 Jan 22, 2026
Williams Jones Wealth Management, LLC. History Reduced 638,939 4,063 0.05% 0.04% 12 -47,525 -6.92% Q4 2025 Feb 13, 2026
Empire Financial Management Company, LLC History Added to 617,830 3,929 0.85% 0.56% 13 +165,400 36.56% Q4 2025 Feb 12, 2026
EASTERLY INVESTMENT PARTNERS LLC History Reduced 616,681 3,922 0.24% 0.46% 14 -635,503 -50.75% Q4 2025 Feb 10, 2026
Tikvah Management LLC History No change 571,619 3,635 0.97% 0.92% 15 0 0.0% Q4 2025 Feb 13, 2026
First Eagle Investment Management, LLC History New 531,427 3,379 0.01% 16 +531,427 New Q4 2025 Feb 04, 2026
MILLENNIUM MANAGEMENT LLC History Reduced 402,631 2,560 0.0% 0.0% 17 -806,568 -66.7% Q4 2025 Feb 17, 2026
DIMENSIONAL FUND ADVISORS LP History Reduced 389,466 2,476 0.0% 0.0% 18 -317,605 -44.92% Q4 2025 Feb 12, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Added to 362,740 2,307 0.0% 0.0% 19 +31,494 9.51% Q4 2025 Feb 13, 2026
NORTHERN TRUST CORP History Reduced 345,564 2,197 0.0% 0.0% 20 -8,094 -2.29% Q4 2025 Feb 17, 2026
Parkman Healthcare Partners LLC History Added to 328,956 2,092 0.2% 0.14% 21 +76,745 30.43% Q4 2025 Feb 17, 2026
UBS Group AG History Reduced 311,499 1,981 0.0% 0.0% 22 -62,101 -16.62% Q4 2025 Jan 29, 2026
TWO SIGMA INVESTMENTS, LP History Added to 258,858 1,646 0.0% 0.0% 23 +8,784 3.51% Q4 2025 Feb 17, 2026
Russell Investments Group, Ltd. History Reduced 256,140 1,629 0.0% 0.0% 24 -177,920 -40.99% Q4 2025 Feb 17, 2026
ENVESTNET ASSET MANAGEMENT INC History Reduced 252,211 1,604 0.0% 0.0% 25 -263,650 -51.11% Q4 2025 Feb 10, 2026
GOLDMAN SACHS GROUP INC History Reduced 248,242 1,578 0.0% 0.0% 26 -29,833 -10.73% Q4 2025 Mar 25, 2026
IRONWOOD INVESTMENT MANAGEMENT LLC History Reduced 172,330 1,096 0.46% 0.46% 27 -21,744 -11.2% Q4 2025 Feb 12, 2026
TUDOR INVESTMENT CORP ET AL History New 169,695 1,079 0.0% 28 +169,695 New Q4 2025 Feb 17, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 168,430 1,071 0.0% 0.0% 29 +18,103 12.04% Q4 2025 Feb 10, 2026
WELLS FARGO & COMPANY/MN History Added to 162,686 1,034 0.0% 0.0% 30 +18,368 12.73% Q4 2025 Feb 13, 2026
FMR LLC History Added to 159,907 1,017 0.0% 0.0% 31 +42,774 36.52% Q4 2025 Feb 17, 2026
MARSHALL WACE, LLP History Reduced 155,169 986 0.0% 0.0% 32 -453,539 -74.51% Q4 2025 Feb 13, 2026
STATE OF WISCONSIN INVESTMENT BOARD History Reduced 147,824 940 0.0% 0.0% 33 -47,935 -24.49% Q4 2025 Feb 17, 2026
Jump Financial, LLC History Added to 144,095 916 0.01% 0.01% 34 +25,743 21.75% Q4 2025 Feb 17, 2026
Bank of New York Mellon Corp History Added to 123,521 785 0.0% 0.0% 35 +5,983 5.09% Q4 2025 Feb 10, 2026
GSA CAPITAL PARTNERS LLP History New 121,525 773 0.07% 36 +121,525 New Q4 2025 Feb 06, 2026
BARCLAYS PLC History Added to 120,203 764 0.0% 0.0% 37 +52,934 78.69% Q4 2025 Feb 13, 2026
SCS Capital Management LLC History No change 120,035 763 0.01% 0.01% 38 0 0.0% Q4 2025 Feb 10, 2026
JPMORGAN CHASE & CO History Reduced 114,021 725 0.0% 0.0% 39 -113,750 -49.94% Q4 2025 Feb 11, 2026
Invesco Ltd. History Added to 113,200 719 0.0% 0.0% 40 +14,508 14.7% Q4 2025 Feb 19, 2026
CITIGROUP INC History Reduced 112,380 714 0.0% 0.0% 41 -106,198 -48.59% Q4 2025 Feb 13, 2026
Aberdeen Group plc History Reduced 104,039 661 0.0% 0.0% 42 -460,542 -81.57% Q4 2025 Jan 16, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Reduced 103,638 659 0.0% 0.0% 43 -52,131 -33.47% Q4 2025 Feb 17, 2026
AMERICAN CENTURY COMPANIES INC History Added to 103,208 656 0.0% 0.0% 44 +5,611 5.75% Q4 2025 Feb 13, 2026
ROYAL BANK OF CANADA History New 101,001 642 0.0% 45 +101,001 New Q4 2025 Feb 17, 2026
CITADEL ADVISORS LLC History Added to 98,572 626 0.0% 0.0% 46 +4,791 5.11% Q4 2025 Feb 17, 2026
TWO SIGMA ADVISERS, LP History Reduced 86,890 552 0.0% 0.0% 47 -55,300 -38.89% Q4 2025 Feb 17, 2026
XTX Topco Ltd History Added to 74,093 471 0.01% 0.0% 48 +62,783 555.11% Q4 2025 Feb 17, 2026
Nuveen, LLC History No change 71,455 454 0.0% 0.0% 49 0 0.0% Q4 2025 Feb 12, 2026
JANE STREET GROUP, LLC History Reduced 69,383 441 0.0% 0.0% 50 -80,396 -53.68% Q4 2025 Feb 12, 2026
AQR CAPITAL MANAGEMENT LLC History Reduced 65,522 416 0.0% 0.0% 51 -92,453 -58.52% Q4 2025 Feb 17, 2026
Quantinno Capital Management LP History Added to 63,791 405 0.0% 0.0% 52 +36,281 131.88% Q4 2025 Feb 17, 2026
Clarius Group, LLC History No change 62,060 394 0.02% 0.02% 53 0 0.0% Q4 2025 Jan 14, 2026
Schonfeld Strategic Advisors LLC History Reduced 61,722 392 0.0% 0.0% 54 -74,853 -54.81% Q4 2025 Feb 17, 2026
Mount Lucas Management LP History Reduced 56,500 359 0.14% 0.13% 55 -3,500 -5.83% Q4 2025 Feb 05, 2026
Susquehanna Portfolio Strategies, LLC History Reduced 55,150 350 0.01% 0.01% 57 -42,519 -43.53% Q4 2025 Feb 17, 2026
RHUMBLINE ADVISERS History Reduced 55,114 350 0.0% 0.0% 56 -1,943 -3.41% Q4 2025 Feb 13, 2026
PEDDOCK CAPITAL ADVISORS, LLC History No change 52,105 331 0.07% 0.06% 58 0 0.0% Q4 2025 Jan 21, 2026
PDT Partners, LLC History No change 47,668 303 0.02% 0.02% 59 0 0.0% Q4 2025 Feb 17, 2026
D. E. Shaw & Co., Inc. History New 45,627 290 0.0% 60 +45,627 New Q4 2025 Feb 17, 2026
ALLIANCEBERNSTEIN L.P. History No change 44,480 282 0.0% 0.0% 61 0 0.0% Q4 2025 Feb 17, 2026
PRICE T ROWE ASSOCIATES INC /MD/ History Reduced 43,778 279 0.0% 0.0% 62 -15,000 -25.52% Q4 2025 Feb 17, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 43,000 273 0.01% 0.0% 63 0 0.0% Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Reduced 42,547 270 0.0% 0.0% 64 -45,819 -51.85% Q4 2025 Feb 17, 2026
DEUTSCHE BANK AG\ History Added to 29,906 190 0.0% 0.0% 65 +1,817 6.47% Q4 2025 Feb 11, 2026
Numerai GP LLC History Reduced 29,762 189 0.02% 0.07% 66 -58,302 -66.2% Q4 2025 Feb 17, 2026
LOS ANGELES CAPITAL MANAGEMENT LLC History New 34,978 174 0.0% 67 +34,978 New Q4 2025 Feb 11, 2026
PEAK6 LLC History New 26,400 167 0.0% 68 +26,400 New Q4 2025 Mar 12, 2026
PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE History Reduced 25,000 159 0.33% 0.97% 69 -75,671 -75.17% Q4 2025 Feb 12, 2026
LPL Financial LLC History New 24,877 158 0.0% 70 +24,877 New Q4 2025 Feb 11, 2026
ExodusPoint Capital Management, LP History New 24,080 153 0.0% 71 +24,080 New Q4 2025 Feb 17, 2026
OSAIC HOLDINGS, INC. History Reduced 23,221 147 0.0% 0.0% 72 -1,515 -6.12% Q4 2025 Feb 17, 2026
Quadrature Capital Ltd History New 21,707 138 0.0% 73 +21,707 New Q4 2025 Feb 17, 2026
Virtu Financial LLC History New 20,626 131 0.01% 74 +20,626 New Q4 2025 Feb 23, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 20,476 130 0.0% 0.0% 75 +1,367 7.15% Q4 2025 Feb 17, 2026
INTECH INVESTMENT MANAGEMENT LLC History Reduced 19,065 121 0.0% 0.0% 76 -96 -0.5% Q4 2025 Feb 10, 2026
Brevan Howard Capital Management LP History Reduced 16,800 106 0.0% 0.0% 77 -6,444 -27.72% Q4 2025 Feb 17, 2026
MetLife Investment Management, LLC History Reduced 15,967 101 0.0% 0.0% 78 -6,975 -30.4% Q4 2025 Feb 12, 2026
Allspring Global Investments Holdings, LLC History Added to 15,560 100 0.0% 0.0% 79 +1,457 10.33% Q4 2025 Jan 15, 2026
MANUFACTURERS LIFE INSURANCE COMPANY, THE History New 14,128 89 0.0% 80 +14,128 New Q4 2025 Feb 13, 2026
HUB Investment Partners, LLC History Added to 13,661 86 0.0% 0.0% 81 +1,500 12.33% Q4 2025 Feb 17, 2026
Vanguard Personalized Indexing Management, LLC History Added to 13,172 83 0.0% 0.0% 82 +164 1.26% Q4 2025 Feb 13, 2026
HRT FINANCIAL LP History New 13,018 82 0.0% 83 +13,018 New Q4 2025 Feb 12, 2026
Jain Global LLC History Reduced 12,677 80 0.0% 0.0% 85 -4,700 -27.05% Q4 2025 Feb 17, 2026
DekaBank Deutsche Girozentrale History No change 4,566 80 0.0% 0.0% 84 0 0.0% Q4 2025 Jan 28, 2026
RENAISSANCE TECHNOLOGIES LLC History New 11,800 75 0.0% 86 +11,800 New Q4 2025 Feb 12, 2026
Post Resch Tallon Group Inc. History Reduced 11,575 73 0.06% 0.06% 87 -500 -4.14% Q4 2025 Jan 09, 2026
COMMONWEALTH EQUITY SERVICES, LLC History Reduced 11,238 71 0.0% 0.0% 88 -6,227 -35.65% Q4 2025 Feb 12, 2026
AXQ CAPITAL, LP History New 11,009 70 0.02% 89 +11,009 New Q4 2025 Feb 10, 2026
Police & Firemen's Retirement System of New Jersey History No change 10,062 63 0.0% 0.0% 90 0 0.0% Q4 2025 Feb 13, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 6,501 41 0.0% 0.0% 91 0 0.0% Q4 2025 Feb 12, 2026
US BANCORP \DE\ History Added to 6,357 40 0.0% 92 +6,318 16200.0% Q4 2025 Jan 30, 2026
Farther Finance Advisors, LLC History New 4,078 25 0.0% 94 +4,078 New Q4 2025 Jan 23, 2026
Legal & General Group Plc History Added to 3,993 25 0.0% 0.0% 93 +686 20.74% Q4 2025 Feb 09, 2026
Ameritas Investment Partners, Inc. History No change 3,475 22 0.0% 0.0% 95 0 0.0% Q4 2025 Feb 11, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Added to 2,718 17 0.0% 0.0% 96 +180 7.09% Q4 2025 Feb 17, 2026
Sterling Capital Management LLC History Reduced 2,323 14 0.0% 0.0% 97 -256 -9.93% Q4 2025 Feb 13, 2026
CWM, LLC History Added to 1,952 12 0.0% 0.0% 98 +658 50.85% Q4 2025 Jan 26, 2026
Versant Capital Management, Inc History Added to 1,778 11 0.0% 0.0% 99 +357 25.12% Q4 2025 Jan 08, 2026
Tower Research Capital LLC (TRC) History Reduced 1,620 10 0.0% 0.0% 100 -1,408 -46.5% Q4 2025 Feb 17, 2026
Caitong International Asset Management Co., Ltd History New 1,526 9 0.0% 103 +1,526 New Q4 2025 Mar 03, 2026
Rockefeller Capital Management L.P. History Reduced 1,513 9 0.0% 0.0% 102 -950 -38.57% Q4 2025 Mar 16, 2026
AMALGAMATED BANK History Added to 1,387 9 0.0% 0.0% 101 +198 16.65% Q4 2025 Feb 05, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 1,169 7 0.0% 0.0% 104 +235 25.16% Q4 2025 Feb 06, 2026
QUADRANT CAPITAL GROUP LLC History New 961 6 0.0% 106 +961 New Q4 2025 Feb 13, 2026
NewEdge Advisors, LLC History No change 1,100 6 0.0% 0.0% 105 0 0.0% Q4 2025 Feb 18, 2026
Wilmington Savings Fund Society, FSB History No change 800 5 0.0% 0.0% 107 0 0.0% Q4 2025 Feb 12, 2026
GAMMA Investing LLC History Added to 571 3 0.0% 110 +402 237.87% Q4 2025 Jan 05, 2026
Transamerica Financial Advisors, LLC History No change 563 3 0.0% 0.0% 108 0 0.0% Q4 2025 Feb 13, 2026
Pinnacle Bancorp, Inc. History No change 520 3 0.0% 0.0% 109 0 0.0% Q4 2025 Jan 22, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History New 471 2 0.0% 112 +471 New Q4 2025 Feb 13, 2026
SIGNATUREFD, LLC History New 387 2 0.0% 113 +387 New Q4 2025 Jan 20, 2026
Optiver Holding B.V. History Reduced 345 2 0.0% 0.0% 114 -384 -52.67% Q4 2025 Feb 17, 2026
SIT INVESTMENT ASSOCIATES INC History No change 272 2 0.0% 0.0% 111 0 0.0% Q4 2025 Feb 25, 2026
AlphaQuest LLC History No change 336 2 0.0% 0.0% 115 0 0.0% Q4 2025 Feb 09, 2026
NBC SECURITIES, INC. History Reduced 179 1 0.0% 0.0% 116 -102 -36.3% Q4 2025 Jan 29, 2026
EverSource Wealth Advisors, LLC History Added to 223 1 0.0% 117 +86 62.77% Q4 2025 Feb 06, 2026
PharVision Advisers, LLC History Closed out 0 0 0.11% -36,144 -100.0% Q3 2025 Nov 17, 2025
Atom Investors LP History Closed out 0 0 0.01% -19,571 -100.0% Q3 2025 Nov 14, 2025
PRELUDE CAPITAL MANAGEMENT, LLC History Closed out 0 0 0.01% -15,393 -100.0% Q3 2025 Nov 14, 2025
State of Wyoming History Closed out 0 0 0.01% -14,109 -100.0% Q3 2025 Nov 04, 2025
R Squared Ltd History Closed out 0 0 0.03% -11,771 -100.0% Q3 2025 Nov 12, 2025
HSBC HOLDINGS PLC History Closed out 0 0 0.0% -10,516 -100.0% Q3 2025 Nov 13, 2025
KESTRA PRIVATE WEALTH SERVICES, LLC History Closed out 0 0 0.0% -10,294 -100.0% Q3 2025 Nov 17, 2025
Quantbot Technologies LP History Closed out 0 0 0.0% -8,673 -100.0% Q3 2025 Nov 12, 2025
Quarry LP History Closed out 0 0 0.01% -5,548 -100.0% Q3 2025 Nov 14, 2025
SIMPLEX TRADING, LLC History Closed out 0 0 0.0% -1,563 -100.0% Q3 2025 Nov 12, 2025
GROUP ONE TRADING LLC History Closed out 0 0 0.0% -783 -100.0% Q3 2025 Nov 12, 2025
NISA INVESTMENT ADVISORS, LLC History Closed out 0 0 0.0% -640 -100.0% Q3 2025 Oct 23, 2025
Fortitude Family Office, LLC History Closed out 0 0 0.0% -270 -100.0% Q3 2025 Oct 17, 2025
Arax Advisory Partners History Reduced 154 0 0.0% -265 -63.25% Q4 2025 Feb 13, 2026
Clearstead Advisors, LLC History Reduced 5 0 -127 -96.21% Q4 2025 Feb 09, 2026
NATIONAL BANK OF CANADA /FI/ History New 85 0 +85 New Q4 2025 Feb 17, 2026
Allworth Financial LP History New 56 0 +56 New Q4 2025 Feb 05, 2026
ROTHSCHILD INVESTMENT LLC History New 13 0 +13 New Q4 2025 Feb 10, 2026
IFP Advisors, Inc History Reduced 8 0 -4 -33.33% Q4 2025 Feb 06, 2026
HUNTINGTON NATIONAL BANK History No change 1 0 0 0.0% Q4 2025 Feb 09, 2026
JONES FINANCIAL COMPANIES LLLP History No change 73 0 0 0.0% Q4 2025 Feb 17, 2026
STRS OHIO History No change 29 0 0 0.0% Q4 2025 Feb 02, 2026
North Star Investment Management Corp. History No change 100 0 0 0.0% Q4 2025 Jan 30, 2026
Cypress Capital Management LLC (WY) History No change 60 0 0 0.0% Q4 2025 Feb 09, 2026
Concord Wealth Partners History No change 100 0 0 0.0% Q4 2025 Jan 29, 2026
SBI Securities Co., Ltd. History No change 62 0 0 0.0% Q4 2025 Feb 03, 2026
Covestor Ltd History No change 10 0 0 0.0% Q4 2025 Feb 06, 2026
True Wealth Design, LLC History No change 151 0 0 0.0% Q4 2025 Jan 08, 2026
Rialto Wealth Management, LLC History No change 96 0 0 0.0% Q4 2025 Jan 12, 2026