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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, Q2 2021

Institutional positions in Quanterix Corp as of Jun 30, 2021. 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
159
−2 vs. Q1 2021
Shares held
30.0M
+2.01M (+7.2%) vs. Q1 2021
Total value
$1.76B
+$122.4M (+7.5%) vs. Q1 2021
New holders
26
75 more added
Sold out
28
44 more reduced

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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.

Institutional holdersQ2 2021: 159 institutions
Q1 2021: 162 institutionsQ2 2021: 159 institutionsQ3 2021: 152 institutionsQ4 2021: 153 institutionsQ1 2022: 143 institutionsQ2 2022: 136 institutionsQ3 2022: 145 institutionsQ4 2022: 132 institutionsQ1 2023: 136 institutionsQ2 2023: 138 institutionsQ3 2023: 158 institutionsQ4 2023: 172 institutionsQ1 2024: 165 institutionsQ2 2024: 155 institutionsQ3 2024: 149 institutionsQ4 2024: 152 institutionsQ1 2025: 150 institutionsQ2 2025: 138 institutionsQ3 2025: 129 institutionsQ4 2025: 134 institutionsQ1 2026: 128 institutionsQ2 2026: 132 institutions
Value heldQ2 2021: $1.76B
Q1 2021: $1.66BQ2 2021: $1.76BQ3 2021: $1.53BQ4 2021: $1.34BQ1 2022: $935.5MQ2 2022: $519.0MQ3 2022: $328.8MQ4 2022: $437.9MQ1 2023: $370.3MQ2 2023: $733.4MQ3 2023: $878.5MQ4 2023: $864.1MQ1 2024: $761.4MQ2 2024: $428.6MQ3 2024: $430.8MQ4 2024: $372.0MQ1 2025: $228.2MQ2 2025: $230.9MQ3 2025: $193.7MQ4 2025: $223.3MQ1 2026: $128.4MQ2 2026: $127.1M
Institutions holding QTRX and their total value by quarter
QuarterHoldersValue
Q2 2026132$127.1M
Q1 2026128$128.4M
Q4 2025134$223.3M
Q3 2025129$193.7M
Q2 2025138$230.9M
Q1 2025150$228.2M
Q4 2024152$372.0M
Q3 2024149$430.8M
Q2 2024155$428.6M
Q1 2024165$761.4M
Q4 2023172$864.1M
Q3 2023158$878.5M
Q2 2023138$733.4M
Q1 2023136$370.3M
Q4 2022132$437.9M
Q3 2022145$328.8M
Q2 2022136$519.0M
Q1 2022143$935.5M
Q4 2021153$1.34B
Q3 2021152$1.53B
Q2 2021159$1.76B
Q1 2021162$1.66B

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Quanterix Corp; share changes are against Q1 2021.

Institutions holding QTRX in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Gilder Gagnon Howe & Co LLC2,891,539$169.6M0.83%−36,681−1.3%Reduced
Macquarie Group Ltd2,824,842$165.7M0.14%+1,282,684+83.2%Added
BlackRock Inc.2,390,638$140.2M0.00%+476,336+24.9%Added
Vanguard Group Inc1,604,962$94.1M0.00%+50,417+3.2%Added
Price T Rowe Associates Inc1,440,259$84.5M0.01%−662,795−31.5%Reduced
Marshall Wace, LLP1,414,569$83.0M0.44%+297,476+26.6%Added
Ameriprise Financial Inc1,013,326$59.4M0.02%−6,387−0.6%Reduced
Frontier Capital Management Co LLC964,706$56.6M0.41%+138,771+16.8%Added
Lord, Abbett & Co. LLC852,474$50.0M0.12%−447,583−34.4%Reduced
Victory Capital Management Inc650,009$38.1M0.04%−53,036−7.5%Reduced
Bellevue Group AG637,815$37.4M0.37%−59,617−8.5%Reduced
Millennium Management LLC625,471$36.7M0.05%+625,471New
Goldman Sachs Group Inc615,451$36.1M0.01%+103,139+20.1%Added
Granahan Investment Management Inc609,180$35.7M0.67%+126,325+26.2%Added
Baillie Gifford & Co601,171$35.3M0.02%+87,159+17.0%Added
State Street Corp553,347$32.5M0.00%+112,564+25.5%Added
Farallon Capital Management, L.L.C.545,000$32.0M0.15%−55,000−9.2%Reduced
Geode Capital Management, LLC517,711$30.4M0.00%+70,607+15.8%Added
Platinum Investment Management Ltd514,488$30.2M0.70%+55,054+12.0%Added
Clearbridge Investments, LLC484,051$28.4M0.02%+200,839+70.9%Added
Ashford Capital Management Inc414,533$24.3M2.19%−1,230−0.3%Reduced
Invesco Ltd.411,576$24.1M0.01%−4,804−1.2%Reduced
FMR LLC349,339$20.5M0.00%+3,399+1.0%Added
Tikvah Management LLC345,409$20.3M5.59%−26,300−7.1%Reduced
Northern Trust Corp338,715$19.9M0.00%+44,070+15.0%Added
Pura Vida Investments, LLC306,467$18.0M1.28%+65,139+27.0%Added
Royce & Associates LP295,079$17.3M0.12%−13,500−4.4%Reduced
Dimensional Fund Advisors LP292,514$17.2M0.01%+91,301+45.4%Added
Bank Julius Baer & Co. Ltd, Zurich286,396$16.8M0.11%+39,010+15.8%Added
Kornitzer Capital Management Inc275,915$16.2M0.24%+25,000+10.0%Added
Bank of New York Mellon Corp266,859$15.7M0.00%+25,885+10.7%Added
Ensign Peak Advisors, Inc246,760$14.5M0.03%+30,810+14.3%Added
Redmile Group, LLC240,933$14.1M0.21%−59,067−19.7%Reduced
Driehaus Capital Management LLC237,711$13.9M0.18%−81,144−25.4%Reduced
Nuveen Asset Management, LLC227,605$13.4M0.00%−22,019−8.8%Reduced
Lombard Odier Asset Management (Switzerland) SA223,465$13.1M0.67%+84,611+60.9%Added
Charles Schwab Investment Management Inc217,040$12.7M0.00%+17,561+8.8%Added
Skandinaviska Enskilda Banken AB (publ)209,876$12.3M0.08%+193,026+1,145.6%Added
CWM, LLC140,757$8.26M0.07%00.0%Unchanged
Monarch Partners Asset Management LLC135,742$7.96M1.14%+119,872+755.3%Added
Sectoral Asset Management Inc134,186$7.87M0.64%−109,503−44.9%Reduced
Bridger Management, LLC127,749$7.49M0.70%+50,500+65.4%Added
Citadel Advisors LLC121,039$7.10M0.01%+31,176+34.7%Added
Bank of Montreal102,233$6.74M0.00%+9,645+10.4%Added
M&G Investment Management Ltd113,212$6.68M0.03%+113,212New
JPMorgan Chase & Co107,474$6.30M0.00%+81,775+318.2%Added
Cannell Peter B & Co Inc107,178$6.29M0.19%−150−0.1%Reduced
Marathon Capital Management90,615$5.32M1.23%−470−0.5%Reduced
Renaissance Technologies LLC85,600$5.02M0.01%−36,700−30.0%Reduced
First Republic Investment Management, Inc.85,431$5.01M0.01%+10,455+13.9%Added
First Trust Advisors LP81,251$4.77M0.01%−7,957−8.9%Reduced
Silvercrest Asset Management Group LLC70,230$4.12M0.03%−134−0.2%Reduced
TD Asset Management Inc70,041$3.72M0.00%−22,065−24.0%Reduced
Swiss National Bank62,400$3.66M0.00%−2,000−3.1%Reduced
Schroder Investment Management Group56,183$3.30M0.00%−4,620−7.6%Reduced
Valmark Advisers, Inc.54,374$3.19M0.06%+1,725+3.3%Added
Two Sigma Investments, LP52,500$3.08M0.01%−74,151−58.5%Reduced
Two Sigma Advisers, LP51,348$3.01M0.01%+6,300+14.0%Added
AtonRa Partners51,029$2.99M1.10%+51,029New
California State Teachers Retirement System42,522$2.49M0.00%−11,291−21.0%Reduced
Morgan Stanley41,459$2.43M0.00%−153,721−78.8%Reduced
New York State Common Retirement Fund40,752$2.39M0.00%+3,192+8.5%Added
Parametric Portfolio Associates LLC39,443$2.31M0.00%−3,638−8.4%Reduced
UBS Asset Management Americas Inc36,240$2.13M0.00%+10,411+40.3%Added
Bank of America Corp35,783$2.10M0.00%+8,907+33.1%Added
Adviser Investments LLC34,000$1.99M0.15%00.0%Unchanged
Alliancebernstein L.P.33,600$1.97M0.00%+9,500+39.4%Added
D.A. Davidson & Co.32,553$1.91M0.02%+7,763+31.3%Added
Rhumbline Advisers31,472$1.85M0.00%+5,709+22.2%Added
Royal Bank of Canada31,274$1.83M0.00%+3,662+13.3%Added
Advisory Research Inc29,843$1.75M0.12%+6,689+28.9%Added
Susquehanna Fundamental Investments, LLC28,940$1.70M0.03%+28,940New
Formula Growth Ltd28,000$1.64M0.23%00.0%Unchanged
AQR Capital Management LLC25,248$1.48M0.00%+1,194+5.0%Added
Wells Fargo & Company25,221$1.48M0.00%+5,544+28.2%Added
Monashee Investment Management LLC25,000$1.47M0.18%−75,000−75.0%Reduced
Susquehanna International Group, LLP24,591$1.44M0.00%−56,397−69.6%Reduced
Fred Alger Management, LLC24,261$1.42M0.00%−163,623−87.1%Reduced
Moors & Cabot, Inc.23,647$1.39M0.10%+859+3.8%Added
Credit Suisse AG23,572$1.38M0.00%+1,175+5.2%Added
Deutsche Bank AG23,295$1.37M0.00%+3,540+17.9%Added
Dana Investment Advisors, Inc.21,520$1.26M0.06%+21,520New
Brandywine Managers, LLC18,678$1.10M1.25%00.0%Unchanged
Manufacturers Life Insurance Company, The17,416$1.02M0.00%+3,764+27.6%Added
American International Group, Inc.17,292$1.01M0.00%+3,272+23.3%Added
Engineers Gate Manager LP15,387$903.0K0.06%−7,406−32.5%Reduced
Voloridge Investment Management, LLC15,342$900.0K0.01%+6,643+76.4%Added
Assenagon Asset Management S.A.13,647$801.0K0.00%−14,224−51.0%Reduced
Dynamic Technology Lab Private Ltd13,200$774.0K0.08%−1,763−11.8%Reduced
Barclays PLC13,101$768.0K0.00%−18,327−58.3%Reduced
STRS Ohio13,000$762.0K0.00%−4,500−25.7%Reduced
State Board of Administration of Florida Retirement System12,801$751.0K0.00%+5,507+75.5%Added
Squarepoint Ops LLC12,680$744.0K0.01%+8,110+177.5%Added
Blair William & Co12,660$743.0K0.00%+1,350+11.9%Added
Cinctive Capital Management LP12,400$727.0K0.04%+12,400New
Voya Investment Management LLC12,143$712.0K0.00%+1,842+17.9%Added
Trexquant Investment LP11,959$702.0K0.06%+5,080+73.8%Added
MetLife Investment Management11,230$658.8K0.01%+1,894+20.3%Added
Handelsbanken Fonder AB10,600$622.0K0.00%+6,400+152.4%Added
Envestnet Asset Management Inc10,235$600.0K0.00%+10,235New