13F

Stock

Quanterix Corp

QTRX · held by 133 managers

Reported value

$222M

Holders

133

+2 new · −0 exited

Holders’ est. mark

$852K

Price effect on 5 books still in the name

Largest holder

$31.8M

AMERIPRISE FINANCIAL INC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
AMERIPRISE FINANCIAL INC5M$31.8MHeld
Portolan Capital Management, LLC4.53M$28.8MHeld
BlackRock, Inc.3.38M$21.5MHeld
Vanguard2.68M$17MHeld
Blue Water Life Science Advisors, LP2.09M$13.3MHeld
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC2.05M$13MHeld
Invenomic Capital Management LP1.51M$9.57MHeld
GEODE CAPITAL MANAGEMENT, LLC1.07M$6.83MHeld
State Street893.4K$5.68MHeld
MORGAN STANLEY823K$5.23M$749.8KAdded$856.3K
Trium Capital LLP817.5K$5.2MHeld
Williams Jones Wealth Management, LLC.638.9K$4.06MHeld
Empire Financial Management Company, LLC617.8K$3.93MHeld
EASTERLY INVESTMENT PARTNERS LLC616.7K$3.92MHeld
Tikvah Management LLC571.6K$3.64MHeld
First Eagle Investment Management, LLC531.4K$3.38MHeld
MILLENNIUM MANAGEMENT LLC402.6K$2.56MHeld
DIMENSIONAL FUND ADVISORS LP389.5K$2.48MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC362.7K$2.31MHeld
NORTHERN TRUST CORP345.6K$2.2MHeld
Parkman Healthcare Partners LLC329K$2.09MHeld
UBS Group AG311.5K$1.98MHeld
TWO SIGMA INVESTMENTS, LP258.9K$1.65MHeld
Russell Investments Group, Ltd.256.1K$1.63MHeld
ENVESTNET ASSET MANAGEMENT INC252.2K$1.6MHeld
GOLDMAN SACHS GROUP INC248.2K$1.58MHeld
IRONWOOD INVESTMENT MANAGEMENT LLC172.3K$1.1MHeld
TUDOR INVESTMENT CORP ET AL169.7K$1.08MNew
BNP PARIBAS FINANCIAL MARKETS168.4K$1.07MHeld
WELLS FARGO & COMPANY/MN162.7K$1.03MHeld
Fidelity159.9K$1.02MHeld
MARSHALL WACE, LLP155.2K$986.9KHeld
STATE OF WISCONSIN INVESTMENT BOARD147.8K$940.2KHeld
Jump Financial, LLC144.1K$916.4KHeld
Bank of New York Mellon Corp123.5K$785.6KHeld
BARCLAYS PLC120.2K$764.5K$62.6KAdded$399.2K
SCS Capital Management LLC120K$763.4KHeld
JPMORGAN CHASE & CO114K$725.2KHeld
Invesco Ltd.113.2K$720KHeld
CITIGROUP INC112.4K$714.7KHeld
Aberdeen Group plc104K$661.7KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP103.6K$659.1KHeld
AMERICAN CENTURY COMPANIES INC103.2K$656.4KHeld
ROYAL BANK OF CANADA101K$642KHeld
Citadel98.6K$626.9KHeld
TWO SIGMA ADVISERS, LP86.9K$552.6KHeld
XTX Topco Ltd74.1K$471.2KHeld
Nuveen, LLC71.5K$454.5KHeld
JANE STREET GROUP, LLC69.4K$441.3KHeld
Icahn Capital65.5K$416.7KHeld
Quantinno Capital Management LP63.8K$405.7KHeld
Clarius Group, LLC62.1K$394.7KHeld
Schonfeld Strategic Advisors LLC61.7K$392.6KHeld
Mount Lucas Management LP56.5K$359.3KHeld
Susquehanna Portfolio Strategies, LLC55.1K$350.8KHeld
RHUMBLINE ADVISERS55.1K$350.5KHeld
PEDDOCK CAPITAL ADVISORS, LLC52.1K$331.4KHeld
PDT Partners, LLC47.7K$303.2KHeld
D. E. Shaw & Co., Inc.45.6K$290.2KHeld
ALLIANCEBERNSTEIN L.P.44.5K$282.9KHeld
BRIDGEWAY CAPITAL MANAGEMENT, LLC43K$273.5KHeld
BANK OF AMERICA CORP /DE/42.5K$270.6K$39.6KCut−$209.2K
DEUTSCHE BANK AG\29.9K$190.2KHeld
Numerai GP LLC29.8K$189.3KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC35K$174.9KHeld
PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE25K$159KHeld
LPL Financial LLC24.9K$158.2KHeld
ExodusPoint Capital Management, LP24.1K$153.1KHeld
OSAIC HOLDINGS, INC.23.2K$147.7KHeld
Quadrature Capital Ltd21.7K$138.1KHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.20.5K$130.2KHeld
INTECH INVESTMENT MANAGEMENT LLC19.1K$121.3KHeld
Brevan Howard Capital Management LP16.8K$106.8KHeld
MetLife Investment Management, LLC16K$101.5KHeld
Allspring Global Investments Holdings, LLC15.6K$100.1KHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE14.1K$89.9KHeld
HUB Investment Partners, LLC13.7K$86.9KHeld
Vanguard Personalized Indexing Management, LLC13.2K$83.8KHeld
Jain Global LLC12.7K$80.6KHeld
Renaissance Technologies11.8K$75KHeld
Post Resch Tallon Group Inc.11.6K$73.6KHeld
COMMONWEALTH EQUITY SERVICES, LLC11.2K$71.5KHeld
AXQ CAPITAL, LP11K$70KHeld
Police & Firemen's Retirement System of New Jersey10.1K$64KHeld
NEW YORK STATE COMMON RETIREMENT FUND6.5K$41.3KHeld
US BANCORP \DE\6.36K$40.4KHeld
Farther Finance Advisors, LLC4.08K$25.9KHeld
Legal & General Group Plc3.99K$25.4KHeld
Ameritas Investment Partners, Inc.3.48K$22.1KHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2.72K$17.3KHeld
Sterling Capital Management LLC2.32K$14.8KHeld
Versant Capital Management, Inc1.78K$11.3KHeld
Tower Research Capital LLC (TRC)1.62K$10.3KHeld
Rockefeller Capital Management L.P.1.51K$9.62KHeld
PNC Financial Services Group, Inc.1.17K$7.43KHeld
NewEdge Advisors, LLC1.1K$7KHeld
QUADRANT CAPITAL GROUP LLC961$6.11KHeld
Wilmington Savings Fund Society, FSB800$5.09KHeld
Caitong International Asset Management Co., Ltd763$4.85KHeld
GAMMA Investing LLC571$3.63KHeld
Transamerica Financial Advisors, LLC563$3.58KHeld
Pinnacle Bancorp, Inc.520$3.31KHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC471$3KHeld
SIGNATUREFD, LLC387$2.46KHeld
Optiver Holding B.V.345$2.19KHeld
AlphaQuest LLC336$2.14KHeld
EverSource Wealth Advisors, LLC223$1.42KHeld
NBC SECURITIES, INC.179$1.14KHeld
Arax Advisory Partners154$979Held
True Wealth Design, LLC151$961Held
GSA CAPITAL PARTNERS LLP121.5K$773Held
Concord Wealth Partners100$636Held
North Star Investment Management Corp.100$636Held
Rialto Wealth Management, LLC96$611Held
NATIONAL BANK OF CANADA /FI/85$541Held
JONES FINANCIAL COMPANIES LLLP73$464Held
SBI Securities Co., Ltd.62$394Held
Cypress Capital Management LLC (WY)60$382Held
Allworth Financial LP56$357$45Added$96
PRICE T ROWE ASSOCIATES INC /MD/43.8K$279Held
STRS OHIO29$184Held
Essential Partners LLC29$184New
Virtu Financial LLC20.6K$131Held
ROTHSCHILD INVESTMENT LLC13$83Held
HRT FINANCIAL LP13K$82Held
DekaBank Deutsche Girozentrale4.57K$80Held
IFP Advisors, Inc8$51$8Cut−$14
Clearstead Advisors, LLC5$32Held
CWM, LLC1.95K$12Held
AMALGAMATED BANK1.39K$9Held
HUNTINGTON NATIONAL BANK1$6Held
SIT INVESTMENT ASSOCIATES INC272$2Held
Covestor Ltd10$0Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.