• Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
Quantisnow Logo
  • Live Feeds
    • Press Releases
    • Insider Trading
    • FDA Approvals
    • Analyst Ratings
    • Insider Trading
    • SEC filings
    • Market insights
  • Analyst Ratings
  • Alerts
  • Subscriptions
  • Settings
  • RSS Feeds
PublishGo to App
    Quantisnow Logo

    © 2026 quantisnow.com
    Democratizing insights since 2022

    Services
    Live news feedsRSS FeedsAlertsPublish with Us
    Company
    AboutQuantisnow PlusContactJobsAI superconnector for talent & startupsNEWLLM Arena
    Legal
    Terms of usePrivacy policyCookie policy

    SEC Form SC 13G filed by Quanterix Corporation

    2/13/24 5:12:21 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials
    Get the next $QTRX alert in real time by email
    SC 13G 1 tv01770-quanterixcorp.htm SCHEDULE 13G quanterixcorp

    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    Schedule 13G

    Under the Securities Exchange Act of 1934

    Name of issuer:  Quanterix Corp

    Title of Class of Securities:  Common Stock

    CUSIP Number:  74766Q101

    Date of Event Which Requires Filing of this Statement: December 29, 2023

    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

    ☒ Rule 13d-1(b)

    ☐ Rule 13d-1(c)

    ☐ Rule 13d-1(d)

    *The remainder of this cover page shall be filled out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page.

    The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

    (Continued on the following page(s))

     

     

    13G

    CUSIP No.:  74766Q101

    1.  NAME OF REPORTING PERSON
    I.R.S. IDENTIFICATION NO. OF ABOVE PERSON

    The Vanguard Group - 23-1945930

    2.  CHECK THE APPROPRIATE [LINE] IF A MEMBER OF A GROUP

    A. 

    B.  X

    3.  SEC USE ONLY

    4.  CITIZENSHIP OF PLACE OF ORGANIZATION

    Pennsylvania

    (For questions 5-8, report the number of shares beneficially owned by each reporting person with:)

    5.  SOLE VOTING POWER

    0

    6.  SHARED VOTING POWER

    33,420

    7.  SOLE DISPOSITIVE POWER

    1,991,144

    8.  SHARED DISPOSITIVE POWER

    63,889

    9.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

    2,055,033

    10.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

    N/A

    11.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

    5.43%

    12.  TYPE OF REPORTING PERSON

    IA

     

     

    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549

    Schedule 13G
    Under the Securities Act of 1934

    Item 1(a) - Name of Issuer:

    Quanterix Corp

    Item 1(b) - Address of Issuer's Principal Executive Offices:

    Building 1, 900 Middlesex Turnpike
    Billerica, MA 01821

    Item 2(a) - Name of Person Filing:

    The Vanguard Group - 23-1945930

    Item 2(b) – Address of Principal Business Office or, if none, residence:

    100 Vanguard Blvd.
    Malvern, PA 19355

    Item 2(c) – Citizenship:

    Pennsylvania

    Item 2(d) - Title of Class of Securities:

    Common Stock

    Item 2(e) - CUSIP Number

    74766Q101

    Item 3 - Type of Filing:

    This statement is being filed pursuant to Rule 13d-1.  An investment adviser in accordance with §240.13d-1(b)(1)(ii)(E).

    Item 4 - Ownership:

      (a) Amount Beneficially Owned:

      (b) Percent of Class:

     

     

    (c)  Number of shares as to which such person has:

    (i)  sole power to vote or direct to vote:  

    (ii)  shared power to vote or direct to vote:  

    (iii)  sole power to dispose of or to direct the disposition of:  

    (iv)  shared power to dispose or to direct the disposition of:  

    Comments:

    The responses to questions 5 through 9 and 11 on the cover page(s) are incorporated by reference into this Item 4.  

    Item 5 - Ownership of Five Percent or Less of a Class:

    If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following ☐

    Item 6 - Ownership of More Than Five Percent on Behalf of Another Person:

    The Vanguard Group, Inc.'s clients, including investment companies registered under the Investment Company Act of 1940 and other managed accounts, have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the securities reported herein.

    No one other person's interest in the securities reported herein is more than 5%.

    Item 7 - Identification and Classification of the Subsidiary Which Acquired The Security Being Reported on by the Parent Holding Company:

    Not applicable

    Item 8 - Identification and Classification of Members of Group:

    Not applicable

    Item 9 - Notice of Dissolution of Group:

    Not applicable

    Item 10 - Certification:

    By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under §240.14a-11.

    Signature

    After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.

    Date:  February 13, 2024

    By /s/ Ashley Grim
    Name: Ashley Grim
    Title:  Head of Global Fund Administration

    Get the next $QTRX alert in real time by email

    Crush Q1 2026 with the Best AI Superconnector

    Stay ahead of the competition with Standout.work - your AI-powered talent-to-startup matching platform.

    AI-Powered Inbox
    Context-aware email replies
    Strategic Decision Support
    Get Started with Standout.work

    Recent Analyst Ratings for
    $QTRX

    DatePrice TargetRatingAnalyst
    8/11/2025$5.00Buy → Hold
    Canaccord Genuity
    2/1/2024$30.00Sector Outperform
    Scotiabank
    9/25/2023$25.00 → $32.00Hold → Buy
    Canaccord Genuity
    8/8/2023$30.00Market Perform → Outperform
    SVB Securities
    5/23/2023$13.00 → $27.00Neutral → Buy
    Goldman
    8/15/2022$40.00 → $12.00Buy → Hold
    Canaccord Genuity
    8/9/2022$38.00 → $18.00Outperform → Market Perform
    Cowen
    8/9/2022$35.00 → $15.00Outperform → Mkt Perform
    SVB Leerink
    More analyst ratings

    $QTRX
    Analyst Ratings

    Analyst ratings in real time. Analyst ratings have a very high impact on the underlying stock. See them live in this feed.

    View All

    Quanterix downgraded by Canaccord Genuity with a new price target

    Canaccord Genuity downgraded Quanterix from Buy to Hold and set a new price target of $5.00

    8/11/25 9:55:00 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Scotiabank initiated coverage on Quanterix with a new price target

    Scotiabank initiated coverage of Quanterix with a rating of Sector Outperform and set a new price target of $30.00

    2/1/24 6:32:54 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Quanterix upgraded by Canaccord Genuity with a new price target

    Canaccord Genuity upgraded Quanterix from Hold to Buy and set a new price target of $32.00 from $25.00 previously

    9/25/23 9:03:48 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    $QTRX
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Quanterix Appoints Industry Veteran Geoff Albrecht as Senior Vice President and General Manager of Diagnostics

    Strategic Leadership Addition Signals Drive to Expand Diagnostics Business Quanterix Corporation (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced the appointment of Geoff Albrecht as Senior Vice President and General Manager of Diagnostics. This strategic hire underscores Quanterix's commitment to transforming its Diagnostics opportunity into a key component of the company's future growth strategy. Starting with Alzheimer's Disease Diagnostics, Albrecht will lead the company's Diagnostics strategy and the development of a comprehensive infrastructure and operational framework necessary to scale Quante

    6/4/26 8:02:00 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Quanterix To Participate in the Goldman Sachs 47th Annual Global Healthcare Conference

    Quanterix Corporation (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced that senior management will participate in the Goldman Sachs 47th Annual Global Healthcare Conference being held in Miami, FL from June 8-10, 2026. Chief Executive Officer Everett Cunningham will engage in a fireside chat at 1:20 pm ET on Tuesday, June 9, during which he will provide an update on the Company and its strategic priorities. The Company is also scheduling one-on-one investor meetings at the event. Webcast Information The live webcast presentation can be accessed from the Investor Relations section of the company's webs

    6/3/26 8:01:00 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Quanterix Corporation Reports Inducement Grants Under Nasdaq Listing Rule 5635(c)(4)

    Quanterix Corporation ("Quanterix" or the "Company") (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced that on May 15, 2026, an inducement grant (the "Inducement Grant") was made to Anthony Catalano in connection with the commencement of his employment as the Chief Operating Officer of the Company. The Inducement Grant consists of restricted stock units ("RSUs") covering 141,330 shares of Quanterix common stock. The RSUs vest in four equal annual installments on the first four anniversaries of the grant date, subject to Mr. Catalano's continued employment with the Company or one of its subsidiaries throu

    5/26/26 4:01:00 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    $QTRX
    Insider Purchases

    Insider purchases reveal critical bullish sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Chief Financial Officer Sriram Vandana bought $19,878 worth of shares (4,150 units at $4.79), increasing direct ownership by 5% to 87,200 units (SEC Form 4)

    4 - Quanterix Corp (0001503274) (Issuer)

    9/17/25 10:24:11 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Director Walt David R bought $984,968 worth of shares (160,000 units at $6.16), increasing direct ownership by 9% to 1,866,933 units (SEC Form 4)

    4 - Quanterix Corp (0001503274) (Issuer)

    6/13/25 4:39:15 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    President & CEO Toloue Masoud bought $248,723 worth of shares (45,900 units at $5.42), increasing direct ownership by 10% to 518,922 units (SEC Form 4)

    4 - Quanterix Corp (0001503274) (Issuer)

    6/10/25 4:08:44 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    $QTRX
    SEC Filings

    View All

    Quanterix Corporation filed SEC Form 8-K: Leadership Update, Financial Statements and Exhibits

    8-K - Quanterix Corp (0001503274) (Filer)

    5/26/26 5:25:36 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Amendment: SEC Form SCHEDULE 13G/A filed by Quanterix Corporation

    SCHEDULE 13G/A - Quanterix Corp (0001503274) (Subject)

    5/15/26 4:06:24 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Amendment: SEC Form SCHEDULE 13G/A filed by Quanterix Corporation

    SCHEDULE 13G/A - Quanterix Corp (0001503274) (Subject)

    5/15/26 10:36:24 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    $QTRX
    Insider Trading

    Insider transactions reveal critical sentiment about the company from key stakeholders. See them live in this feed.

    View All

    Chief Technology Officer Miller Michael Francis converted options into 130 shares and covered exercise/tax liability with 39 shares, increasing direct ownership by 0.27% to 33,795 units (SEC Form 4)

    4 - Quanterix Corp (0001503274) (Issuer)

    6/1/26 4:06:29 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Chief Financial Officer Sriram Vandana converted options into 1,833 shares and covered exercise/tax liability with 548 shares, increasing direct ownership by 4% to 29,998 units (SEC Form 4)

    4 - Quanterix Corp (0001503274) (Issuer)

    5/18/26 5:34:46 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Chief Technology Officer Miller Michael Francis converted options into 1,558 shares and covered exercise/tax liability with 467 shares, increasing direct ownership by 3% to 33,704 units (SEC Form 4)

    4 - Quanterix Corp (0001503274) (Issuer)

    5/18/26 5:34:23 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    $QTRX
    Leadership Updates

    Live Leadership Updates

    View All

    Quanterix Appoints Industry Veteran Geoff Albrecht as Senior Vice President and General Manager of Diagnostics

    Strategic Leadership Addition Signals Drive to Expand Diagnostics Business Quanterix Corporation (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced the appointment of Geoff Albrecht as Senior Vice President and General Manager of Diagnostics. This strategic hire underscores Quanterix's commitment to transforming its Diagnostics opportunity into a key component of the company's future growth strategy. Starting with Alzheimer's Disease Diagnostics, Albrecht will lead the company's Diagnostics strategy and the development of a comprehensive infrastructure and operational framework necessary to scale Quante

    6/4/26 8:02:00 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Quanterix Appoints Everett Cunningham as President and CEO Effective January 19, 2026

    Planned Leadership Transition Positions Company for Growth Company Expects to Exceed Revenue and Cash Guidance for the Full Year 2025 Quanterix Corporation ("Quanterix" or the "Company") (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced that its Board of Directors (the "Board") has appointed Everett Cunningham as the Company's next President and Chief Executive Officer and a member of the Board, effective January 19, 2026. Mr. Cunningham will succeed Masoud Toloue, who will continue to serve as Chief Executive Officer until Mr. Cunningham assumes the role on January 19, 2026. Following Mr. Cunningham

    1/8/26 4:30:00 PM ET
    $ARVN
    $DGX
    $EXAS
    Biotechnology: Pharmaceutical Preparations
    Health Care
    Medical Specialities
    Biotechnology: Laboratory Analytical Instruments

    Quanterix Announces Board and Leadership Changes to Support Next Stage of Growth

    Appoints Garret Hampton and Alan Sachs to the Board Appoints William Donnelly as Executive Chair of the Board and Jeffrey Elliott as Lead Independent Director Quanterix Corporation ("Quanterix" or the "Company") (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced a series of leadership and governance enhancements designed to support the Company's next phase of growth. These changes include the appointment of two highly accomplished life sciences executives, Garret Hampton, Ph.D., and Alan Sachs, M.D., Ph.D., to the Company's Board of Directors, effective immediately. Dr. Hampton most recently served as

    11/20/25 4:15:00 PM ET
    $EXAS
    $IDYA
    $ILMN
    Medical Specialities
    Health Care
    Biotechnology: Pharmaceutical Preparations
    Industrial Machinery/Components

    $QTRX
    Financials

    Live finance-specific insights

    View All

    Quanterix Releases Financial Results for the First Quarter of 2026

    Reports $36.4 million in revenue and approximately $103 million of cash and marketable securities Company prioritizing product roadmap and investing in initiatives to drive commercial effectiveness Quanterix Corporation (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced financial results for the first quarter ended March 31, 2026. "We continue to make progress toward achieving cash flow breakeven as we move into a phase of growth now that we have captured the cost synergies from the Akoya acquisition," said Everett Cunningham, President & CEO of Quanterix. "As part of this process, we are focusing our

    5/6/26 4:01:00 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Quanterix To Report First Quarter 2026 Financial Results on May 6, 2026

    Quanterix Corporation (NASDAQ:QTRX), a company transforming healthcare by accelerating biomarker breakthroughs from discovery to diagnostics, today announced that it will host a conference call on Wednesday, May 6, 2026, at 4:30 p.m. E.T., to discuss its first quarter 2026 financial results. Quanterix will issue a press release regarding its first quarter 2026 financial results prior to the conference call on Wednesday, May 6, 2026, after the market closes. The press release will be posted on the Quanterix website at http://www.quanterix.com/. In conjunction with this announcement, the Company will host a conference call on May 6, 2026, at 4:30 PM ET. The dial-in number for USA & Canada

    4/24/26 8:33:00 AM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    Quanterix Corporation Announces Date of 2026 Annual Meeting

    Quanterix Corporation (NASDAQ:QTRX), a company fueling scientific discovery through ultra-sensitive biomarker detection (the "Company"), today announced that the Company's 2026 annual meeting of shareholders (the "Annual Meeting") will be held virtually, by means of remote communication, on Tuesday, June 9, 2026 at 10:00 am Eastern Time. Stockholders of record of the Company's common stock as of the close of business on April 14, 2026 will be entitled to vote at the Annual Meeting. Additional information regarding the Annual Meeting will be provided in the Company's proxy statement. Because the date of the Annual Meeting has been advanced by more than thirty (30) days from the anniversary

    3/27/26 4:00:00 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    $QTRX
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    Amendment: SEC Form SC 13G/A filed by Quanterix Corporation

    SC 13G/A - Quanterix Corp (0001503274) (Subject)

    11/13/24 12:41:46 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    SEC Form SC 13G filed by Quanterix Corporation

    SC 13G - Quanterix Corp (0001503274) (Subject)

    6/27/24 2:46:59 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials

    SEC Form SC 13G/A filed by Quanterix Corporation (Amendment)

    SC 13G/A - Quanterix Corp (0001503274) (Subject)

    2/14/24 4:57:53 PM ET
    $QTRX
    Biotechnology: Laboratory Analytical Instruments
    Industrials