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Quanterix (QTRX) Institutional Ownership

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$2.75 -0.54 (-16.41%)
Closing price 05/7/2026 04:00 PM Eastern
Extended Trading
$2.73 -0.02 (-0.73%)
As of 05/7/2026 07:57 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Quanterix (NASDAQ:QTRX)

Current
Institutional Ownership
Percentage
86.48%
Number of
Institutional Buyers
(last 12 months)
71
Total
Institutional Inflows
(last 12 months)
$73.56M
Number of
Institutional Sellers
(last 12 months)
40
Total
Institutional Outflows
(last 12 months)
$39.51M
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QTRX Institutional Buying and Selling by Quarter

Quanterix Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/7/2026Dimensional Fund Advisors LP443,118$1.56M0.0%+13.8%0.942%
2/23/2026Virtu Financial LLC20,626$131K0.0%N/A0.044%
2/19/2026Invesco Ltd.113,200$720K0.0%+14.7%0.242%
2/18/2026XTX Topco Ltd74,093$471K0.0%+555.1%0.159%
2/18/2026Susquehanna Portfolio Strategies LLC55,150$351K0.0%-43.5%0.118%
2/18/2026Tudor Investment Corp ET AL169,695$1.08M0.0%N/A0.363%
2/18/2026Quadrature Capital Ltd21,707$138K0.0%N/A0.046%
2/18/2026Numerai GP LLC29,762$189K0.0%-66.2%0.064%
2/18/2026Millennium Management LLC402,631$2.56M0.0%-66.7%0.862%
2/18/2026Invenomic Capital Management LP1,505,208$9.57M0.4%+8.1%3.222%
2/17/2026Schonfeld Strategic Advisors LLC61,722$393K0.0%-54.8%0.132%
2/17/2026AQR Capital Management LLC65,522$417K0.0%-58.5%0.140%
2/17/2026Jain Global LLC12,677$81K0.0%-27.0%0.027%
2/17/2026Jump Financial LLC144,095$916K0.0%+21.8%0.308%
2/17/2026Price T Rowe Associates Inc. MD43,778$279K0.0%-25.5%0.094%
2/17/2026Russell Investments Group Ltd.256,140$1.63M0.0%-41.0%0.548%
2/17/2026State of Wisconsin Investment Board147,824$940K0.0%-24.5%0.316%
2/17/2026ExodusPoint Capital Management LP24,080$153K0.0%N/A0.052%
2/17/2026Royal Bank of Canada101,001$642K0.0%-59.2%0.216%
2/16/2026Barclays PLC120,203$764K0.0%+78.7%0.257%
2/13/2026Marshall Wace LLP155,169$987K0.0%-74.5%0.332%
2/13/2026 Williams Jones Wealth Management LLC.638,939$4.06M0.0%-6.9%1.368%
2/13/2026Charles Schwab Investment Management Inc.362,740$2.31M0.0%+9.5%0.777%
2/13/2026State Street Corp893,401$5.68M0.0%+9.0%1.913%
2/13/2026Caitong International Asset Management Co. Ltd4,224$27K0.1%N/A0.009%
2/13/2026Wells Fargo & Company MN162,686$1.04M0.0%+12.7%0.348%
2/12/2026Empire Financial Management Company LLC617,830$3.93M0.9%+36.6%1.323%
2/12/2026Jane Street Group LLC69,383$441K0.0%-53.7%0.149%
2/12/2026HRT Financial LP13,018$82K0.0%N/A0.028%
2/12/2026MetLife Investment Management LLC15,967$102K0.0%-30.4%0.034%
2/12/2026Paragon Associates & Paragon Associates II Joint Venture25,000$159K0.3%-75.2%0.054%
2/12/2026 Commonwealth Equity Services LLC11,238$71K0.0%-35.7%0.024%
2/12/2026Renaissance Technologies LLC11,800$75K0.0%N/A0.025%
2/12/2026Dimensional Fund Advisors LP389,466$2.48M0.0%-44.9%0.834%
2/12/2026Ironwood Investment Management LLC172,330$1.10M0.5%-11.2%0.369%
2/11/2026 Deutsche Bank AG29,906$190K0.0%+6.5%0.064%
2/11/2026 LPL Financial LLC24,877$158K0.0%N/A0.053%
2/11/2026Los Angeles Capital Management LLC34,978$222K0.0%N/A0.075%
2/10/2026Goldman Sachs Group Inc.248,242$1.58M0.0%-10.7%0.531%
2/10/2026AXQ Capital LP11,009$70K0.0%N/A0.024%
2/10/2026Easterly Investment Partners LLC616,681$3.92M0.2%-50.8%1.320%
2/9/2026Geode Capital Management LLC1,073,967$6.83M0.0%+6.1%2.299%
2/9/2026William Blair Investment Management LLC2,046,449$13.02M0.0%+55.6%4.381%
2/4/2026First Eagle Investment Management LLC531,427$3.38M0.0%N/A1.138%
1/23/2026 Farther Finance Advisors LLC4,078$26K0.0%N/A0.009%
1/22/2026 Trium Capital LLP817,451$5.20M4.0%+18.7%1.750%
1/16/2026 Aberdeen Group plc104,039$662K0.0%-81.6%0.223%
1/15/2026 Allspring Global Investments Holdings LLC15,560$100K0.0%+10.3%0.033%
1/1/2026JPMorgan Chase & Co.227,771$1.24M0.0%-12.6%0.488%
11/17/2025 Williams Jones Wealth Management LLC.686,464$3.73M0.0%+1.5%1.470%
11/17/2025 PharVision Advisers LLC36,144$196K0.1%N/A0.077%
11/17/2025Quarry LP5,548$30K0.0%+277,300.0%0.012%
11/17/2025Parkman Healthcare Partners LLC252,211$1.37M0.1%-51.1%0.540%
11/17/2025Numerai GP LLC88,064$478K0.1%N/A0.189%
11/17/2025Millennium Management LLC1,209,199$6.57M0.0%+9,880.2%2.589%
11/17/2025Invenomic Capital Management LP1,393,005$7.56M0.4%+21.7%2.982%
11/17/2025Jain Global LLC17,377$94K0.0%N/A0.037%
11/17/2025Brevan Howard Capital Management LP23,244$126K0.0%+60.2%0.050%
11/17/2025Bank of America Corp DE88,366$480K0.0%+43.0%0.189%
11/17/2025Ameriprise Financial Inc.4,243,512$23.04M0.0%+0.2%9.085%
11/14/2025Schonfeld Strategic Advisors LLC136,575$742K0.0%-58.1%0.292%
11/14/2025Two Sigma Investments LP250,074$1.36M0.0%+3.0%0.535%
11/14/2025Bridgeway Capital Management LLC43,000$233K0.0%N/A0.092%
11/14/2025Portolan Capital Management LLC4,259,851$23.13M1.3%+17.2%9.120%
11/13/2025Ironwood Investment Management LLC194,074$1.05M0.5%+811.3%0.415%
11/13/2025 UBS Group AG373,600$2.03M0.0%-2.9%0.800%
11/13/2025BNP Paribas Financial Markets150,327$816K0.0%+336.9%0.322%
11/13/2025Russell Investments Group Ltd.434,060$2.36M0.0%+2.2%0.929%
11/13/2025Paragon Associates & Paragon Associates II Joint Venture100,671$547K1.0%N/A0.216%
11/12/2025Dimensional Fund Advisors LP707,071$3.84M0.0%-12.0%1.522%
11/12/2025William Blair Investment Management LLC1,315,280$7.14M0.0%+16.6%2.831%
11/12/2025Quantbot Technologies LP8,673$47K0.0%-72.8%0.019%
11/12/2025 R Squared Ltd11,771$64K0.0%N/A0.025%
11/12/2025Intech Investment Management LLC19,161$104K0.0%+13.4%0.041%
11/7/2025Vanguard Group Inc.2,647,515$14.38M0.0%+4.7%5.697%
11/7/2025JPMorgan Chase & Co.227,771$1.24M0.0%-12.6%0.490%
11/7/2025 Aberdeen Group plc564,581$3.07M0.0%+34.2%1.215%
11/6/2025Rhumbline Advisers57,057$310K0.0%-5.9%0.123%
11/5/2025 Envestnet Asset Management Inc.515,861$2.80M0.0%+122.7%1.110%
10/31/2025Vanguard Personalized Indexing Management LLC13,008$71K0.0%-13.4%0.028%
10/17/2025 Peddock Capital Advisors LLC52,105$283K0.1%+196.0%0.112%
10/16/2025 Trium Capital LLP688,597$3.74M1.5%+17.4%1.482%
8/19/2025State of Wyoming14,814$99K0.0%+105.3%0.032%
8/15/2025BNP Paribas Financial Markets34,410$229K0.0%-81.6%0.074%
8/15/2025Brevan Howard Capital Management LP14,505$96K0.0%N/A0.031%
8/15/2025Balyasny Asset Management L.P.767,801$5.11M0.0%+1,625.2%1.652%
8/15/2025Bank of America Corp DE61,801$411K0.0%-55.0%0.133%
8/15/2025Ameriprise Financial Inc.4,236,877$28.18M0.0%+14.0%9.117%
8/14/2025PDT Partners LLC47,668$317K0.0%N/A0.103%
8/14/2025Kent Lake PR LLC2,301,000$15.30M6.8%-21.3%4.952%
8/14/2025Jane Street Group LLC139,964$931K0.0%+140.0%0.301%
8/14/2025Quantinno Capital Management LP41,964$279K0.0%+307.4%0.090%
8/14/2025HUB Investment Partners LLC12,161$81K0.0%N/A0.026%
8/14/2025Nebula Research & Development LLC29,145$194K0.0%-19.0%0.063%
8/14/2025Blue Water Life Science Advisors LP957,747$6.37M5.0%+157.3%2.061%
8/13/2025Jump Financial LLC126,641$842K0.0%+20.1%0.273%
8/13/2025Marshall Wace LLP444,191$2.95M0.0%N/A0.956%
8/13/2025Invesco Ltd.75,196$500K0.0%+38.8%0.162%
8/13/2025Quantbot Technologies LP31,864$212K0.0%+182.7%0.069%
8/13/2025Russell Investments Group Ltd.424,659$2.82M0.0%-30.0%0.914%


QTRX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of QTRX shares?

During the previous two years, 155 institutional investors and hedge funds held shares of Quanterix. The most heavily invested institutionals were Lord Abbett & CO. LLC ($41.40M), Alliancebernstein L.P. ($25.94M), Portolan Capital Management LLC ($23.13M), Ameriprise Financial Inc. ($23.04M), Kent Lake PR LLC ($15.30M), Vanguard Group Inc. ($14.38M), and William Blair Investment Management LLC ($13.02M).Learn more on Quanterix's institutional investors.

What percentage of Quanterix's stock is owned by institutional investors?

86.48% of Quanterix's stock is owned by institutional investors. Learn more on QTRX's institutional investor holdings.

Which institutional investors have been buying Quanterix's stock?

Of the 123 institutional investors that purchased Quanterix's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Ameriprise Financial Inc. ($2.22M), William Blair Investment Management LLC ($2.00M), Millennium Management LLC ($1.32M), Portolan Capital Management LLC ($1.30M), Invenomic Capital Management LP ($1.26M), Easterly Investment Partners LLC ($1.25M), and Trium Capital LLP ($790.53K).

How much institutional buying is happening at Quanterix?

Institutional investors have bought a total of 11,915,479 shares in the last 24 months. This purchase volume represents approximately $73.56M in transactions.

Which of Quanterix's major shareholders have been selling company stock?

Of the 40 institutional investors that sold Quanterix's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Easterly Investment Partners LLC ($877.49K), Millennium Management LLC ($806.57K), Kent Lake PR LLC ($623.90K), Aberdeen Group plc ($460.54K), Marshall Wace LLP ($453.54K), Dimensional Fund Advisors LP ($414.27K), and Russell Investments Group Ltd. ($360.05K).

How much institutional selling is happening at Quanterix?

Institutional investors have sold a total of 6,223,368 shares in the last 24 months. This volume of shares sold represents approximately $39.51M in transactions.


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This page (NASDAQ:QTRX) was last updated on 5/8/2026 by MarketBeat.com Staff.
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