• 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

    Amendment: SEC Form SCHEDULE 13G/A filed by Mercury Systems Inc

    3/27/26 10:34:34 AM ET
    $MRCY
    Electrical Products
    Technology
    Get the next $MRCY alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. 15)


    Mercury Systems Inc

    (Name of Issuer)


    Common Stock

    (Title of Class of Securities)




    589378108

    (CUSIP Number)
    03/13/2026

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox checked   Rule 13d-1(b)
    Checkbox not checked   Rule 13d-1(c)
    Checkbox not checked   Rule 13d-1(d)




    schemaVersion:


    SCHEDULE 13G

    CUSIP Number(s):
    589378108


    1Names of Reporting Persons

    The Vanguard Group
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    PENNSYLVANIA
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    0.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    0 %
    12Type of Reporting Person (See Instructions)

    IA

    Comment for Type of Reporting Person:   On January 12, 2026, The Vanguard Group, Inc. went through an internal realignment. In accordance with SEC Release No. 34-39538 (January 12, 1998), certain subsidiaries or business divisions of subsidiaries of The Vanguard Group, Inc., that formerly had, or were deemed to have, beneficial ownership with The Vanguard Group, Inc., will report beneficial ownership separately (on a disaggregated basis) from The Vanguard Group, Inc. in reliance on such release. These subsidiaries and/or business divisions pursue the same investment strategies as previously pursued by The Vanguard Group, Inc. prior to the realignment. Further in accordance with SEC Release No. 34-39538 (January 12, 1998), The Vanguard Group, Inc. no longer has, or is deemed to have, beneficial ownership over securities beneficially owned by such subsidiaries and/or business divisions.


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    Mercury Systems Inc
    (b)Address of issuer's principal executive offices:

    50 Minuteman Road, Andover, MA, 01810
    Item 2. 
    (a)Name of person filing:

    The Vanguard Group
    (b)Address or principal business office or, if none, residence:

    100 Vanguard Blvd.,, Malvern, PA, 19355
    (c)Citizenship:

    PA
    (d)Title of class of securities:

    Common Stock
    (e)CUSIP No.:

    Item 3.If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
    (a)Checkbox not checked   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
    (b)Checkbox not checked   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
    (c)Checkbox not checked   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
    (d)Checkbox not checked   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
    (e)Checkbox checked   An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
    (f)Checkbox not checked   An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
    (g)Checkbox not checked   A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
    (h)Checkbox not checked   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
    (i)Checkbox not checked   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
    (j)Checkbox not checked   A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
           please specify the type of institution:
    (k)Checkbox not checked   Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
     
    Item 4.Ownership
    (a)Amount beneficially owned:

    0
    (b)Percent of class:

    0  %
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    0

     (ii) Shared power to vote or to direct the vote:

    0

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

    0

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

    0

    Item 5.Ownership of 5 Percent or Less of a Class.
     
    Checkbox checked    Ownership of 5 percent or less of a class
    Item 6.Ownership of more than 5 Percent on Behalf of Another Person.
     
    If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.


    The Vanguard Group, 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 or Control Person.
     
    Not Applicable
    Item 8.Identification and Classification of Members of the Group.
     
    Not Applicable
    Item 9.Notice of Dissolution of Group.
     
    Not Applicable

    Item 10.Certifications:
     
    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 and are not held 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.

     
    The Vanguard Group
     
    Signature:Ashley Grim
    Name/Title:Head of Global Fund Administration
    Date:03/27/2026
    Get the next $MRCY 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
    $MRCY

    DatePrice TargetRatingAnalyst
    10/2/2025$88.00Buy
    Canaccord Genuity
    10/1/2025$90.00Sector Perform → Outperform
    RBC Capital Mkts
    8/12/2025$80.00Outperform → Strong Buy
    Raymond James
    3/13/2025$49.00 → $56.00Hold → Buy
    Truist
    2/5/2025$37.00 → $58.00Neutral → Outperform
    Robert W. Baird
    11/11/2024$30.00 → $42.00Underperform → Hold
    Jefferies
    8/19/2024Neutral → Overweight
    Alembic Global Advisors
    2/7/2024$48.00 → $28.00Buy → Hold
    Truist
    More analyst ratings

    $MRCY
    Insider Trading

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

    View All

    SEC Form 4 filed by Mercury Systems Inc

    4 - MERCURY SYSTEMS INC (0001049521) (Issuer)

    3/18/26 5:12:04 PM ET
    $MRCY
    Electrical Products
    Technology

    Director Jana Partners Management, Lp sold $41,412,246 worth of shares (452,057 units at $91.61) (SEC Form 4)

    4 - MERCURY SYSTEMS INC (0001049521) (Issuer)

    3/4/26 9:45:50 PM ET
    $MRCY
    Electrical Products
    Technology

    Director Lance Howard L sold $429,960 worth of shares (4,832 units at $88.98), decreasing direct ownership by 15% to 27,272 units (SEC Form 4)

    4 - MERCURY SYSTEMS INC (0001049521) (Issuer)

    2/27/26 9:01:14 AM ET
    $MRCY
    Electrical Products
    Technology

    $MRCY
    Insider Purchases

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

    View All

    Director Jana Partners Management, Lp bought $506,600 worth of shares (13,600 units at $37.25) (SEC Form 4)

    4 - MERCURY SYSTEMS INC (0001049521) (Issuer)

    8/29/24 6:05:31 PM ET
    $MRCY
    Electrical Products
    Technology

    Jana Partners Management, Lp bought $11,057,678 worth of shares (377,913 units at $29.26) (SEC Form 4)

    4 - MERCURY SYSTEMS INC (0001049521) (Issuer)

    2/28/24 5:19:56 PM ET
    $MRCY
    Electrical Products
    Technology

    Ballhaus William L bought $203,099 worth of shares (7,066 units at $28.74) (SEC Form 4)

    4 - MERCURY SYSTEMS INC (0001049521) (Issuer)

    2/13/24 5:00:15 PM ET
    $MRCY
    Electrical Products
    Technology

    $MRCY
    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

    Canaccord Genuity resumed coverage on Mercury with a new price target

    Canaccord Genuity resumed coverage of Mercury with a rating of Buy and set a new price target of $88.00

    10/2/25 8:41:19 AM ET
    $MRCY
    Electrical Products
    Technology

    Mercury upgraded by RBC Capital Mkts with a new price target

    RBC Capital Mkts upgraded Mercury from Sector Perform to Outperform and set a new price target of $90.00

    10/1/25 9:22:39 AM ET
    $MRCY
    Electrical Products
    Technology

    Mercury upgraded by Raymond James with a new price target

    Raymond James upgraded Mercury from Outperform to Strong Buy and set a new price target of $80.00

    8/12/25 7:46:31 AM ET
    $MRCY
    Electrical Products
    Technology

    $MRCY
    Press Releases

    Fastest customizable press release news feed in the world

    View All

    Mercury Systems Acquires SolderMask To Support Higher Rate Production

    ANDOVER, Mass., March 12, 2026 (GLOBE NEWSWIRE) -- Mercury Systems, Inc. (NASDAQ:MRCY, www.mrcy.com)), a global technology company that delivers mission-critical processing to the edge, today announced the acquisition of SolderMask, Inc., a provider of specialized manufacturing processes that support key Mercury programs that are ramping into production. SolderMask has unique expertise in dry film solder mask applications that are leveraged across more than 20 Mercury programs, including the U.S. Army's Lower Tier Air and Missile Defense Sensor (LTAMDS) program, and a number of Common Processing Architecture programs. SolderMask has been a critical part of Mercury's supply chain for over

    3/12/26 4:15:00 PM ET
    $MRCY
    Electrical Products
    Technology

    Equity Insider: $66 Billion IT Overhaul Signals Pentagon's Bet on AI-Driven Defense Electronics

    Issued on behalf of VisionWave Holdings, Inc.NEW YORK, March 11, 2026 /PRNewswire/ -- Equity-Insider.com News Commentary — The Pentagon's FY2026 budget commits $66.1 billion to IT and cyberspace activities, channeling a 2.8% year-over-year increase directly into AI integration, electronic warfare modernization, and hardened networking infrastructure across every military branch.[1] The spending surge sits within a broader global rearmament cycle, with worldwide defense expenditure projected to surpass $2.6 trillion in 2026 as allied nations compress procurement timelines under escalating geopolitical pressure.[2] Companies potentially positioned in this space include VisionWave Holdings (NAS

    3/11/26 11:30:00 AM ET
    $BWXT
    $CACI
    $MRCY
    Industrial Machinery/Components
    Industrials
    EDP Services
    Technology

    Defense Autonomy Spending Surges as AI Reshapes the Battlefield

    Issued on behalf of VisionWave HoldingsNEW YORK, Feb. 17, 2026 /CNW/ -- USANewsGroup.com News Commentary – Congress passed an $839 billion defense spending bill for fiscal 2026, the Pentagon's first full-year appropriation since fiscal 2024, directing $9.8 billion toward autonomous and unmanned systems across the Department of Defense[1]. The DOD's total IT budget reached $66 billion, a $1.8 billion increase from 2025, with every service branch increasing its AI allocation and the Navy alone adding $308 million in AI spending, a 22.7% year-over-year jump[2]. VisionWave Holdings (NASDAQ:VWAV), Ondas Holdings (NASDAQ:ONDS), Draganfly (NASDAQ:DPRO), BlackSky Technology (NYSE:BKSY), and Mercury

    2/17/26 9:59:00 AM ET
    $BKSY
    $DPRO
    $MRCY
    Radio And Television Broadcasting And Communications Equipment
    Technology
    Aerospace
    Industrials

    $MRCY
    SEC Filings

    View All

    Amendment: SEC Form SCHEDULE 13G/A filed by Mercury Systems Inc

    SCHEDULE 13G/A - MERCURY SYSTEMS INC (0001049521) (Subject)

    3/27/26 10:34:34 AM ET
    $MRCY
    Electrical Products
    Technology

    SEC Form 144 filed by Mercury Systems Inc

    144 - MERCURY SYSTEMS INC (0001049521) (Subject)

    2/25/26 11:58:06 AM ET
    $MRCY
    Electrical Products
    Technology

    SEC Form 10-Q filed by Mercury Systems Inc

    10-Q - MERCURY SYSTEMS INC (0001049521) (Filer)

    2/3/26 5:08:19 PM ET
    $MRCY
    Electrical Products
    Technology

    $MRCY
    Large Ownership Changes

    This live feed shows all institutional transactions in real time.

    View All

    Amendment: SEC Form SC 13G/A filed by Mercury Systems Inc

    SC 13G/A - MERCURY SYSTEMS INC (0001049521) (Subject)

    11/14/24 10:55:25 AM ET
    $MRCY
    Electrical Products
    Technology

    SEC Form SC 13G/A filed by Mercury Systems Inc (Amendment)

    SC 13G/A - MERCURY SYSTEMS INC (0001049521) (Subject)

    2/13/24 5:09:38 PM ET
    $MRCY
    Electrical Products
    Technology

    SEC Form SC 13D/A filed by Mercury Systems Inc (Amendment)

    SC 13D/A - MERCURY SYSTEMS INC (0001049521) (Subject)

    2/13/24 4:05:12 PM ET
    $MRCY
    Electrical Products
    Technology

    $MRCY
    Financials

    Live finance-specific insights

    View All

    Mercury Systems Acquires SolderMask To Support Higher Rate Production

    ANDOVER, Mass., March 12, 2026 (GLOBE NEWSWIRE) -- Mercury Systems, Inc. (NASDAQ:MRCY, www.mrcy.com)), a global technology company that delivers mission-critical processing to the edge, today announced the acquisition of SolderMask, Inc., a provider of specialized manufacturing processes that support key Mercury programs that are ramping into production. SolderMask has unique expertise in dry film solder mask applications that are leveraged across more than 20 Mercury programs, including the U.S. Army's Lower Tier Air and Missile Defense Sensor (LTAMDS) program, and a number of Common Processing Architecture programs. SolderMask has been a critical part of Mercury's supply chain for over

    3/12/26 4:15:00 PM ET
    $MRCY
    Electrical Products
    Technology

    Mercury Systems Reports Second Quarter Fiscal 2026 Results

    Q2 FY26 Bookings of $288 million grew 18.6% year-over-year; book-to-bill of 1.23Record backlog of $1.5 billion; up 8.8% year-over-yearRecord first-half revenue with Q2 FY26 Revenue of $233 million; GAAP net loss of $15 million; and adjusted EBITDA of $30 million, up 36.3% year-over-yearQ2 FY26 Operating Cash Flow of $52 million with Free Cash Flow of $46 million ANDOVER, Mass., Feb. 03, 2026 (GLOBE NEWSWIRE) -- Mercury Systems, Inc. (NASDAQ:MRCY, www.mrcy.com)), reported operating results for the second quarter of fiscal year 2026, ended December 26, 2025. "We delivered second quarter fiscal 2026 results that were ahead of our expectations, with solid year-over-year growth in backlog, re

    2/3/26 4:01:00 PM ET
    $MRCY
    Electrical Products
    Technology

    Mercury Systems to Report Second Quarter Fiscal Year 2026 Financial Results on February 3, 2026

    ANDOVER, Mass., Jan. 13, 2026 (GLOBE NEWSWIRE) -- Mercury Systems Inc. (NASDAQ:MRCY, www.mrcy.com)), a global technology company that delivers mission-critical processing to the edge, will release its second quarter fiscal year 2026 financial results after the market close on Tuesday, February 3, 2026. Management will host a conference call and simultaneous webcast at 5:00 p.m. ET on the same day to discuss Mercury's quarterly financial results, business highlights, and outlook. In addition, Company representatives may answer questions concerning business and financial developments and trends, the Company's view on earnings forecasts, and other business and financial matters affecting the

    1/13/26 4:15:00 PM ET
    $MRCY
    Electrical Products
    Technology

    $MRCY
    Leadership Updates

    Live Leadership Updates

    View All

    Mercury Systems Announces Board of Directors Update

    Roger Krone, former Chairman and CEO of Leidos, departs Board to focus on Boy Scouts of America Jean Bua, CFO of NetScout Systems, appointed to Board ANDOVER, Mass., Jan. 06, 2025 (GLOBE NEWSWIRE) -- Mercury Systems, Inc. (NASDAQ:MRCY, www.mrcy.com)), a technology company that delivers mission-critical processing power to the edge, announced the departure of Roger Krone from its Board of Directors and the appointment of new Independent Director Jean Bua. Since joining Mercury's Board of Directors, Mr. Krone has been appointed as President and Chief Executive Officer of the Boy Scouts of America and is planning to focus his time on the Boy Scouts and other business matters. Bill Ballhaus

    1/6/25 4:15:00 PM ET
    $MRCY
    Electrical Products
    Technology

    Mercury Appoints Brad Whittington as Senior Vice President of Engineering

    ANDOVER, Mass., Aug. 12, 2024 (GLOBE NEWSWIRE) -- Mercury Systems, Inc. (NASDAQ:MRCY, www.mrcy.com))), a technology company that delivers mission-critical processing power to the edge, today announced the appointment of Brad Whittington as its Senior Vice President of Engineering, effective Aug. 12, 2024. Reporting to Chief Operating Officer Roger Wells, Whittington is responsible for the strategic planning, leadership, and execution of Mercury's recently integrated Engineering organization. Whittington has more than 25 years of experience in technical leadership roles in aerospace and defense. He most recently served as Vice President of Engineering and Chief Engineer for the Defense Sys

    8/12/24 4:15:00 PM ET
    $MRCY
    Electrical Products
    Technology

    Mercury Appoints Senior Vice President of Operations, Completes Second Phase of Organizational Restructuring

    ANDOVER, Mass., June 18, 2024 (GLOBE NEWSWIRE) -- Mercury Systems, Inc. (NASDAQ:MRCY, www.mrcy.com))), a technology company that delivers mission-critical processing power to the edge, today announced the appointment of Tod Brindlinger as Senior Vice President of Operations, effective June 10, 2024. The company also announced the completion of the second phase of an organizational restructuring that began in January to improve performance and accelerate growth by consolidating and simplifying its operations. Reporting to Chief Operating Officer Roger Wells, Brindlinger is responsible for the company's global manufacturing, facilities, and supply chain. He has more than 30 years of leaders

    6/18/24 5:10:00 PM ET
    $MRCY
    Electrical Products
    Technology