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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, Q4 2025

Institutional positions in Quanterix Corp as of Dec 31, 2025. 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
134
+8 vs. Q3 2025
Shares held
35.1M
+756.2K (+2.2%) vs. Q3 2025
Total value
$223.3M
+$36.8M (+19.7%) vs. Q3 2025
New holders
21
42 more added
Sold out
13
43 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 134 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 heldQ4 2025: $223.3M
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, Q4 2025

Shares, value and share of portfolio for each institution holding Quanterix Corp; share changes are against Q3 2025.

Institutions holding QTRX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Covestor Ltd10$00.00%00.0%Unchanged
Huntington National Bank1$60.00%00.0%Unchanged
Clearstead Advisors, LLC5$320.00%−127−96.2%Reduced
IFP Advisors, Inc8$510.00%−4−33.3%Reduced
Rothschild Investment LLC13$830.00%+13New
STRS Ohio29$1840.00%00.0%Unchanged
Essential Partners LLC29$1840.00%+29New
Allworth Financial LP56$3570.00%+8+16.7%Added
Cypress Capital Management LLC (WY)60$3820.00%00.0%Unchanged
SBI Securities Co., Ltd.62$3940.00%00.0%Unchanged
Jones Financial Companies LLLP73$4640.00%00.0%Unchanged
National Bank of Canada85$5410.00%+85New
Basecamp Wealth Advisors LLC87$5530.00%+87New
Rialto Wealth Management, LLC96$6110.00%00.0%Unchanged
North Star Investment Management Corp.100$6360.00%00.0%Unchanged
Concord Wealth Partners100$6360.00%00.0%Unchanged
True Wealth Design, LLC151$9610.00%00.0%Unchanged
SRS Capital Advisors, Inc.154$9790.00%−265−63.2%Reduced
NBC Securities, Inc.179$1.14K0.00%−102−36.3%Reduced
EverSource Wealth Advisors, LLC223$1.42K0.00%+86+62.8%Added
Sit Investment Associates Inc272$2.00K0.00%00.0%Unchanged
Quest Partners LLC336$2.14K0.00%00.0%Unchanged
Optiver Holding B.V.345$2.19K0.00%−384−52.7%Reduced
Signaturefd, LLC387$2.46K0.00%+387New
UBS Asset Management Americas Inc471$3.00K0.00%+471New
Pinnacle Bancorp, Inc.520$3.31K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.563$3.58K0.00%00.0%Unchanged
GAMMA Investing LLC571$3.63K0.00%+402+237.9%Added
Caitong International Asset Management Co., Ltd763$4.85K0.00%+763New
Bryn Mawr Trust Co800$5.09K0.00%00.0%Unchanged
Quadrant Capital Group LLC961$6.11K0.00%+961New
GWM Advisors LLC1,100$7.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,169$7.43K0.00%+235+25.2%Added
Amalgamated Bank1,387$9.00K0.00%+198+16.7%Added
Rockefeller Capital Management L.P.1,513$9.62K0.00%−950−38.6%Reduced
Tower Research Capital LLC (TRC)1,620$10.3K0.00%−1,408−46.5%Reduced
Versant Capital Management, Inc1,778$11.3K0.00%+357+25.1%Added
CWM, LLC1,952$12.0K0.00%+658+50.9%Added
Sterling Capital Management LLC2,323$14.8K0.00%−256−9.9%Reduced
California State Teachers Retirement System2,718$17.3K0.00%+180+7.1%Added
Ameritas Investment Partners, Inc.3,475$22.1K0.00%00.0%Unchanged
Legal & General Group Plc3,993$25.4K0.00%+686+20.7%Added
Farther Finance Advisors, LLC4,078$25.9K0.00%+4,078New
US Bancorp6,357$40.4K0.00%+6,318+16,200.0%Added
New York State Common Retirement Fund6,501$41.3K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey10,062$64.0K0.00%00.0%Unchanged
Axq Capital, LP11,009$70.0K0.02%+11,009New
Commonwealth Equity Services, LLC11,238$71.5K0.00%−6,227−35.7%Reduced
Post Resch Tallon Group Inc.11,575$73.6K0.06%−500−4.1%Reduced
Renaissance Technologies LLC11,800$75.0K0.00%+11,800New
DekaBank Deutsche Girozentrale4,566$80.0K0.00%00.0%Unchanged
Jain Global LLC12,677$80.6K0.00%−4,700−27.0%Reduced
HRT Financial LP13,018$82.0K0.00%+13,018New
JustInvest LLC13,172$83.8K0.00%+164+1.3%Added
TCG Advisory Services, LLC13,661$86.9K0.00%+1,500+12.3%Added
Manufacturers Life Insurance Company, The14,128$89.9K0.00%+327+2.4%Added
Allspring Global Investments Holdings, LLC15,560$100.1K0.00%+1,457+10.3%Added
MetLife Investment Management15,967$101.5K0.00%−6,975−30.4%Reduced
Brevan Howard Capital Management LP16,800$106.8K0.00%−6,444−27.7%Reduced
Intech Investment Management LLC19,065$121.3K0.00%−96−0.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.20,476$130.2K0.00%+1,367+7.2%Added
Virtu Financial LLC20,626$131.0K0.01%+20,626New
Quadrature Capital Ltd21,707$138.1K0.00%+21,707New
Advisor Group Holdings, Inc.23,221$147.7K0.00%−1,515−6.1%Reduced
ExodusPoint Capital Management, LP24,080$153.1K0.00%+24,080New
LPL Financial LLC24,877$158.2K0.00%+24,877New
Paragon Associates & Paragon Associates II Joint Venture25,000$159.0K0.33%−75,671−75.2%Reduced
Los Angeles Capital Management LLC34,978$174.9K0.00%+34,978New
Numerai GP LLC29,762$189.3K0.02%−58,302−66.2%Reduced
Deutsche Bank AG29,906$190.2K0.00%+1,817+6.5%Added
Bank of America Corp42,547$270.6K0.00%−45,819−51.9%Reduced
Bridgeway Capital Management, LLC43,000$273.5K0.01%00.0%Unchanged
Price T Rowe Associates Inc43,778$279.0K0.00%−15,000−25.5%Reduced
Alliancebernstein L.P.44,480$282.9K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.45,627$290.2K0.00%+45,627New
PDT Partners, LLC47,668$303.2K0.02%00.0%Unchanged
Peddock Capital Advisors, LLC52,105$331.4K0.07%00.0%Unchanged
Rhumbline Advisers55,114$350.5K0.00%−1,943−3.4%Reduced
Susquehanna Portfolio Strategies, LLC55,150$350.8K0.01%−42,519−43.5%Reduced
Mount Lucas Management LP56,500$359.3K0.16%−3,500−5.8%Reduced
Schonfeld Strategic Advisors LLC61,722$392.6K0.00%−74,853−54.8%Reduced
Clarius Group, LLC62,060$394.7K0.02%00.0%Unchanged
Quantinno Capital Management LP63,791$405.7K0.00%+36,281+131.9%Added
AQR Capital Management LLC65,522$416.7K0.00%−92,453−58.5%Reduced
Jane Street Group, LLC69,383$441.3K0.00%−80,396−53.7%Reduced
Nuveen, LLC71,455$454.5K0.00%00.0%Unchanged
XTX Topco Ltd74,093$471.2K0.01%+62,783+555.1%Added
Two Sigma Advisers, LP86,890$552.6K0.00%−55,300−38.9%Reduced
Citadel Advisors LLC98,572$626.9K0.00%+15,391+18.5%Added
Royal Bank of Canada101,001$642.0K0.00%−146,677−59.2%Reduced
American Century Companies Inc103,208$656.4K0.00%+5,611+5.7%Added
Susquehanna International Group, LLP103,638$659.1K0.00%−38,331−27.0%Reduced
Standard Life Aberdeen plc104,039$661.7K0.00%−460,542−81.6%Reduced
Citigroup Inc112,380$714.7K0.00%−106,198−48.6%Reduced
Invesco Ltd.113,200$720.0K0.00%+14,508+14.7%Added
JPMorgan Chase & Co114,021$725.2K0.00%−113,750−49.9%Reduced
SCS Capital Management LLC120,035$763.4K0.01%00.0%Unchanged
Barclays PLC120,203$764.5K0.00%+52,934+78.7%Added
Gsa Capital Partners LLP121,525$773.0K0.07%+121,525New
Bank of New York Mellon Corp123,521$785.6K0.00%+5,983+5.1%Added