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Disclosery

QTRX QUANTERIX CORP

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COMMON STOCK (common), issuer CIK 1503274

136 managers (139 13F filers) reported a position in QTRX shares at 2025-06-30, 34,710,895 shares in all. 22 filers opened a position and 37 filers sold out during the quarter.

Managers
136
13F filers
139
New
22
Added
47
Reduced
41
Sold out
37
Shares held by filers
34,710,895

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC4,236,877$28.2M0.01%+521,63913F-HRTimelineGroup
Portolan Capital Management, LLCin group Portolan Capital Management, …3,633,622$24.2M1.52%+670,22513F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.2,924,699$19.4M<0.01%-145,41613F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding2,543,974$16.9M+7,601Timeline
Kent Lake PR LLC2,301,000$15.3M6.75%-623,90313F-HRTimeline
Invenomic Capital Management LP1,144,904$7.61M0.43%+242,86113F-HRTimeline
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1,127,981$7.5M0.02%+21,91813F-HRTimeline
EASTERLY INVESTMENT PARTNERS LLC1,083,635$7.21M0.52%-241,98513F-HRTimeline
Blue Water Life Science Advisors, LP957,747$6.37M5.04%+585,57213F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC887,080$5.9M<0.01%+21,21013F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP803,735$5.34M<0.01%-37,59813F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY771,440$5.13M<0.01%+175,39113F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management767,801$5.11M0.01%+723,29513F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP764,855$5.09M<0.01%+3,54713F-HRTimelineGroup
Williams Jones Wealth Management, LLC.676,014$4.5M0.05%+162,52513F-HRTimeline
BAILLIE GIFFORD & COin group BAILLIE GIFFORD & CO600,812$4M<0.01%013F-HRTimelineGroup
Trium Capital LLP586,425$3.9M0.97%+26,92513F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Tikvah Management LLCin group Tikvah Management LLC571,619$3.8M1.22%013F-HRTimelineGroup
Parkman Healthcare Partners LLC515,992$3.43M0.4%new13F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP444,191$2.95M<0.01%new13F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…424,659$2.82M<0.01%-182,12813F-HRTimelineGroup
Aberdeen Group plcin group Aberdeen Group plc420,856$2.8M<0.01%+152,13913F-HRTimelineGroup
UBS Group AGin group UBS Group AG384,951$2.56M<0.01%-730,02713F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding379,137$2.52M+229,674Timeline
SCS Capital Management LLC354,339$2.36M0.03%013F-HRTimeline
Schonfeld Strategic Advisors LLC325,677$2.17M0.02%new13F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP321,030$2.13M<0.01%-2,08113F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co298,989$1.99M<0.01%+6,18413F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD289,759$1.93M<0.01%+161,75113F-HRTimeline
CITIGROUP INCin group CITIGROUP INC280,578$1.87M<0.01%+254,08213F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO260,501$1.73M<0.01%-27,58013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC253,820$1.69M<0.01%-95,87613F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC231,601$1.54M<0.01%-268,79713F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding222,858$1.48M+166,591Timeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA221,694$1.48M<0.01%+50,94913F-HR/ATimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC139,964$931K<0.01%+81,65113F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN138,737$923K<0.01%+94,35713F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC126,641$842K0.01%+21,18413F-HR/ATimelineGroup
FMR LLCin group FMR LLC126,632$842K<0.01%+28,69213F-HRTimelineGroup
Empire Financial Management Company, LLC123,980$824K0.24%+73,98013F-HRTimeline
Cubist Systematic Strategies, LLC118,043$785K0.01%-169,18813F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp111,953$744K<0.01%+8,20713F-HRTimelineGroup
Valmark Advisers, Inc.105,382$701K0.01%-139,47213F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC103,200$686K<0.01%-99,72113F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC88,259$587K<0.01%-10,73113F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC86,215$573K<0.01%+7,08513F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC78,980$525K<0.01%+24,11913F-HR/ATimelineGroup
Invesco Ltd.in group Invesco Ltd.75,196$500K<0.01%+21,00213F-HRTimelineGroup
Nuveen, LLCin group TIAA71,455$475K<0.01%-343,92313F-HRTimelineGroup
Graypoint LLC65,000$432K0.02%013F-HRTimeline
Clarius Group, LLC62,060$413K0.02%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/61,801$411K<0.01%-75,59413F-HRTimelineGroup
RHUMBLINE ADVISERS60,629$403K<0.01%+4,09413F-HRTimeline
Mount Lucas Management LP60,000$399K0.19%+16,16313F-HRTimeline
Limestone Investment Advisors LP56,067$373K0.16%13F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd56,024$373K0.02%+33,00713F-HRTimelineGroup
PDT Partners, LLC47,668$317K0.02%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.44,480$296K<0.01%+7,50013F-HRTimeline
Quantinno Capital Management LP41,964$279K<0.01%+31,66413F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/39,599$264K<0.01%+1,66513F-HRTimeline
CREDIT INDUSTRIEL ET COMMERCIAL35,000$233K0.04%013F-HR/ATimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS34,410$229K<0.01%-152,47613F-HRTimelineGroup
Janney Capital Management LLC32,360$215K0.01%-2,76013F-HRTimeline
Quantbot Technologies LP31,864$212K0.01%+20,59213F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC29,949$203K<0.01%-1,18413F-HRTimelineGroup
Nebula Research & Development LLC29,145$194K0.02%-6,82013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\24,321$162K<0.01%-6,53013F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…23,830$158K<0.01%-15313F-HRTimelineGroup
IRONWOOD INVESTMENT MANAGEMENT LLC21,297$142K0.07%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.20,499$136K<0.01%+1,39613F-HR/ATimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…20,444$136K<0.01%-93613F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC17,915$119K<0.01%-10013F-HRTimeline
PEDDOCK CAPITAL ADVISORS, LLC17,602$117K0.03%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC16,893$112K<0.01%-6,58513F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC16,884$112K0.01%-4,12613F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC15,372$102K<0.01%-1,15013F-HR/ATimelineGroup
State of Wyoming14,814$98.5K0.01%+7,59913F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…14,505$96.5K<0.01%new13F-HRTimelineGroup
Moors & Cabot, Inc.14,452$96.1K<0.01%-18,00113F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …14,242$94.7K<0.01%-83213F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …13,571$90.2K<0.01%+3713F-HRTimelineGroup
Post Resch Tallon Group Inc.12,175$81K0.08%-77513F-HRTimeline
HUB Investment Partners, LLC12,161$80.9K<0.01%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC12,116$80.6K<0.01%-43,59713F-HRTimelineGroup
DekaBank Deutsche Girozentrale4,566$79K<0.01%013F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC10,154$67.5K<0.01%013F-HRTimelineGroup
KESTRA PRIVATE WEALTH SERVICES, LLCin group Kestra Advisory Services, LLC10,109$67.2K<0.01%new13F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…10,091$67.1K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…10,062$66.9K<0.01%013F-HRTimeline
Versant Capital Management, Inc8,397$55.8K0.01%+7,08013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND6,501$43.2K<0.01%013F-HR/ATimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…5,273$35.1K<0.01%+3,28913F-HRTimelineGroup
Aquatic Capital Management LLC4,276$28.4K<0.01%-26,74313F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…3,475$23.1K<0.01%013F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC3,349$22.3K<0.01%+2,45213F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc3,307$22K<0.01%-3,38113F-HRTimelineGroup
SIMPLEX TRADING, LLC3,152$20K<0.01%new13F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD3,000$19.9K<0.01%-7,20013F-HRTimeline
CWM, LLCin group CWM, LLC2,826$19K<0.01%+64513F-HRTimelineGroup
Brooklyn Investment Group2,831$18.8K<0.01%new13F-HR/ATimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…2,603$17.3K<0.01%013F-HRTimeline
China Universal Asset Management Co., L…1,894$12.6K<0.01%013F-HRTimeline
COMERICA BANK1,414$9.4K<0.01%new13F-HRTimeline
Resona Asset Management Co.,Ltd.in group Resona Asset Management Co.,L…1,386$9.22K<0.01%-80013F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,233$8.2K<0.01%+29113F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC1,204$8.01K<0.01%new13F-HRTimelineGroup
AMALGAMATED BANK1,189$8K<0.01%013F-HRTimeline
IFP Advisors, Inc0$7.42K<0.01%013F-HRTimelineAmount filed as zero, left out of ratios.
NewEdge Advisors, LLC1,100$7.32K<0.01%013F-HRTimeline
Sterling Capital Management LLC874$5.81K<0.01%+33513F-HR/ATimeline
Wilmington Savings Fund Society, FSB800$5.32K<0.01%013F-HRTimeline
Arax Advisory Partners793$5.27K<0.01%new13F-HRTimeline
T. Rowe Price Investment Management, In…455$4K<0.01%new13F-HRTimeline
Pinnacle Bancorp, Inc.520$3.46K<0.01%013F-HRTimeline
Farther Finance Advisors, LLC519$3.45K<0.01%+51813F-HRTimeline
AlphaQuest LLC336$2.23K<0.01%013F-HRTimeline
Global Retirement Partners, LLC270$1.8K<0.01%13F-HRTimeline
Fortitude Family Office, LLC270$1.8K<0.01%new13F-HRTimeline
Financial Gravity Companies, Inc.in group Financial Gravity Companies, …250$1.66K<0.01%13F-HRTimelineGroup
Compass Planning Associates Inc246$1.64K<0.01%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…231$1.54K<0.01%new13F-HRTimelineGroup
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…230$1.53K<0.01%new13F-HRTimelineGroup
GAMMA Investing LLC162$1.08K<0.01%-37513F-HRTimeline
True Wealth Design, LLC151$1K<0.01%-413F-HRTimeline
LANARK FINANCIAL, INC.294$1K<0.01%new13F-HRTimeline
Concord Wealth Partnersin group Concord Wealth Partners100$665<0.01%013F-HRTimelineGroup
Rialto Wealth Management, LLC96$639<0.01%-4113F-HRTimeline
ROTHSCHILD INVESTMENT LLC70$466<0.01%-14013F-HRTimeline
SBI Securities Co., Ltd.62$412<0.01%013F-HRTimeline
PRINCIPAL SECURITIES, INC.in group PRINCIPAL FINANCIAL GROUP INC60$399<0.01%new13F-HRTimelineGroup
Cypress Capital Management LLC (WY)60$399<0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\39$259<0.01%-25313F-HRTimelineGroup
Quarry LP2$13<0.01%new13F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK1$7<0.01%013F-HRTimelineGroup
Covestor Ltd10$00%-113F-HRTimelineValue filed as zero, left out of ratios.
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.