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Mercury Systems (MRCY) Institutional Ownership

Mercury Systems logo
$81.42 -2.01 (-2.41%)
Closing price 11/13/2026 04:00 PM Eastern
Extended Trading
$79.93 -1.49 (-1.83%)
As of 11/13/2026 07:40 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 Mercury Systems (NASDAQ:MRCY)

Current
Institutional Ownership
Percentage
95.99%
Number of
Institutional Buyers
(last 12 months)
195
Total
Institutional Inflows
(last 12 months)
$1.94B
Number of
Institutional Sellers
(last 12 months)
113
Total
Institutional Outflows
(last 12 months)
$995.94M
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MRCY Institutional Buying and Selling by Quarter

Mercury Systems Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/14/2026Marshall Wace LLP5,263$437K0.0%N/A0.009%
11/13/2026Steward Partners Investment Advisory LLC4,036$335K0.0%-6.1%0.007%
11/13/2026State Board of Administration of Florida Retirement System14,269$1.18M0.0%-17.7%0.023%
11/13/2026PEAK6 LLC2,967$246K0.0%-90.1%0.005%
11/13/2026Polymer Capital Management US LLC5,659$470K0.1%+144.7%0.009%
11/13/2026 Gabelli Funds LLC35,469$2.94M0.0%+6.4%0.058%
11/13/2026 Gamco Investors INC. ET AL6,100$506K0.0%N/A0.010%
11/12/2026 First Trust Advisors LP1,785,325$148.18M0.1%+37.4%2.933%
11/12/2026 State Street Corp3,789,824$314.56M0.0%-44.6%6.227%
11/11/2026 Advisors Asset Management Inc.4,662$387K0.0%N/A0.008%
11/11/2026 Private Advisor Group LLC2,521$209K0.0%N/A0.004%
11/10/2026 Voya Investment Management LLC438,654$36.41M0.0%+7.0%0.721%
11/10/2026 Public Sector Pension Investment Board326,264$24.95M0.1%+79.7%0.536%
11/10/2026 Teachers Retirement System of The State of Kentucky34,995$2.90M0.0%+1.3%0.058%
11/9/2026 Intech Investment Management LLC7,897$655K0.0%-78.7%0.013%
11/9/2026 Bessemer Group Inc.466,642$38.73M0.1%+2.1%0.767%
11/9/2026 Hantz Financial Services Inc.873$72K0.0%+26.7%0.001%
11/9/2026 Royce & Associates LP220,538$18.31M0.2%-7.5%0.362%
11/9/2026 Danske Bank A S6,768$562K0.0%+13.9%0.011%
11/6/2026 William Blair Investment Management LLC375,351$31.15M0.1%-1.2%0.617%
11/6/2026 Fisher Asset Management LLC874,874$72.62M0.0%-7.3%1.438%
11/6/2026 Russell Investments Group Ltd.109,181$9.06M0.0%+16.3%0.179%
11/6/2026 Eurizon Capital SGR S.p.A.531$44K0.0%+159.0%0.001%
11/6/2026 Fifth Third Bancorp219,594$18.23M0.0%-1.3%0.361%
11/6/2026 King Luther Capital Management Corp224,134$18.60M0.1%-2.1%0.368%
11/5/2026 Maryland State Retirement & Pension System12,452$1.03M0.0%+62.0%0.020%
11/5/2026 Lisanti Capital Growth LLC6,850$569K0.2%-83.5%0.011%
11/5/2026 Illinois Municipal Retirement Fund29,433$2.44M0.0%+0.7%0.048%
11/4/2026 Fulcrum Asset Management LLP2,569$212K0.0%+4,840.4%0.004%
11/4/2026 Allspring Global Investments Holdings LLC496,387$41.73M0.1%+4.5%0.816%
11/4/2026 StoneRidge PMG Advisors LLC3,514$292K0.2%N/A0.006%
11/3/2026 Ethic Inc.4,204$349K0.0%+5.4%0.007%
11/3/2026 StoneX Group Inc.2,810$244K0.0%N/A0.005%
11/3/2026 Guidance Capital Inc.7,098$549K0.1%+2.5%0.012%
11/3/2026 CenterBook Partners LP4,752$394K0.0%N/A0.008%
11/3/2026 Calamos Advisors LLC17,866$1.48M0.0%-58.1%0.029%
11/2/2026 Commonwealth Equity Services LLC3,789$314K0.0%-12.0%0.006%
11/2/2026 Conestoga Capital Advisors LLC1,190,557$98.82M3.0%-19.9%1.956%
10/30/2026 Integrity Alliance LLC.5,600$465K0.0%N/A0.009%
10/30/2026 Oregon Public Employees Retirement Fund12,558$1.04M0.0%+5.0%0.021%
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10/29/2026 Mirae Asset Global Investments Co. Ltd.1,786$148K0.0%N/A0.003%
10/29/2026 Profund Advisors LLC2,588$215K0.0%-14.9%0.004%
10/29/2026 ProShare Advisors LLC7,727$641K0.0%-3.4%0.013%
10/26/2026 Oppenheimer & Co. Inc.9,740$808K0.0%-1.8%0.016%
10/26/2026 Verdence Capital Advisors LLC3,169$263K0.0%+4.7%0.005%
10/23/2026 Signaturefd LLC1,306$108K0.0%+66.8%0.002%
10/23/2026 Sterling Capital Management LLC1,861$154K0.0%-88.4%0.003%
10/22/2026 Yousif Capital Management LLC16,808$1.40M0.0%+16.8%0.028%
10/21/2026 Crossmark Global Holdings Inc.5,200$432K0.0%+18.5%0.009%
10/21/2026 Quadrant Capital Group LLC8,017$615K0.0%+2.1%0.013%
10/16/2026 Vontobel Holding Ltd.5,439$451K0.0%-15.5%0.009%
10/15/2026 State of Alaska Department of Revenue20,275$1.68M0.0%-29.7%0.033%
10/9/2026 GAMMA Investing LLC2,282$189K0.0%+15.0%0.004%
10/8/2026 Farther Finance Advisors LLC1,743$145K0.0%+369.8%0.003%
10/6/2026 Moody National Bank Trust Division53,383$4.43M0.3%+15.5%0.088%
9/29/2026Cim Investment Management Inc.9,589$1.17M0.3%+7.4%0.016%
9/9/2026Integrated Wealth Concepts LLC707$87K0.0%N/A0.001%
9/9/2026 IFP Advisors Inc463$57K0.0%+250.8%0.001%
9/8/2026 Nykredit A S2,167$265K0.0%N/A0.004%
8/27/2026Corient Private Wealth LP11,338$1.39M0.0%+92.4%0.019%
8/26/2026 Amundi4,621$565K0.0%-42.5%0.008%
8/26/2026 HighTower Advisors LLC2,572$315K0.0%-49.2%0.004%
8/23/2026 HB Wealth Management LLC3,073$376K0.0%N/A0.005%
8/23/2026 Angeles Wealth Management LLC1,936$237K0.0%N/A0.003%
8/22/2026JANA Partners Management LP3,958,849$484.29M25.5%-3.6%6.583%
8/22/2026 Concurrent Investment Advisors LLC1,915$234K0.0%N/A0.003%
8/21/2026 Nykredit A S2,167$265K0.0%N/A0.004%
8/20/2026 Sigma Planning Corp5,172$633K0.0%N/A0.009%
8/20/2026 Greenwood Capital Associates LLC6,236$763K0.1%-5.6%0.010%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC122,585$15.00M0.0%+5.5%0.204%
8/19/2026Van ECK Associates Corp762,994$93.34M0.1%-10.4%1.271%
8/19/2026Wellington Management Group LLP775,502$94.87M0.0%+2.6%1.292%
8/18/2026Beacon Pointe Advisors LLC3,037$372K0.0%N/A0.005%
8/18/2026Empowered Funds LLC1,905$233K0.0%N/A0.003%
8/18/2026 Centaurus Financial Inc.3,390$415K0.0%N/A0.006%
8/18/2026Public Employees Retirement System of Ohio353$43K0.0%N/A0.001%
8/17/2026Corient Private Wealth LP10,745$1.31M0.0%N/A0.018%
8/17/2026Bamco Inc. NY606,919$74.24M0.1%N/A1.011%
8/17/2026Bank of America Corp DE223,533$27.35M0.0%N/A0.372%
8/15/2026American Capital Management Inc.486,064$59.46M2.7%N/A0.810%
8/15/2026Man Group plc110,597$13.53M0.0%N/A0.184%
8/15/2026Jupiter Topco LLC34,273$4.19M0.0%N/A0.057%
8/14/2026Manatuck Hill Partners LLC18,400$2.25M0.7%N/A0.031%
8/14/2026Legal & General Group Plc126,258$15.45M0.0%N/A0.210%
8/14/2026The Manufacturers Life Insurance Company31,820$3.89M0.0%N/A0.053%
8/14/2026Algert Global LLC37,270$4.56M0.1%+582.6%0.062%
8/13/2026Sanctuary Advisors LLC3,506$429K0.0%N/A0.006%
8/13/2026 Connor Clark & Lunn Investment Management Ltd.4,968$608K0.0%N/A0.008%
8/13/2026 Barrow Hanley Mewhinney & Strauss LLC426$52K0.0%N/A0.001%
8/12/2026 Quantbot Technologies LP670$82K0.0%N/A0.001%
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8/12/2026 William Blair Investment Management LLC379,732$46.45M0.1%N/A0.632%
8/12/2026Callan Family Office LLC3,962$485K0.0%N/A0.007%
8/11/2026 Allworth Financial LP752$92K0.0%N/A0.001%
8/11/2026 B. Metzler seel. Sohn & Co. AG32,845$4.02M0.0%N/A0.055%
8/11/2026 Lisanti Capital Growth LLC41,450$5.07M1.1%N/A0.069%
8/10/2026 Danske Bank A S5,940$727K0.0%N/A0.010%
8/8/2026 Keenan LLC4,423$541K0.4%N/A0.007%
8/8/2026 Deepwater Asset Management LLC61,166$7.48M3.4%N/A0.102%
8/7/2026BlackRock Inc.9,370,902$1.15B0.0%N/A15.608%
8/7/2026 Deutsche Bank AG142,678$17.45M0.0%N/A0.238%


MRCY Institutional Ownership - Frequently Asked Questions

During the previous two years, 339 institutional investors and hedge funds held shares of Mercury Systems. The most heavily invested institutionals were BlackRock Inc. ($1.15B), JANA Partners Management LP ($484.29M), Vanguard Group Inc. ($411.20M), State Street Corp ($314.56M), First Trust Advisors LP ($148.18M), Invesco Ltd. ($139.50M), and T. Rowe Price Investment Management Inc. ($112.64M).Learn more on Mercury Systems' institutional investors.

95.99% of Mercury Systems' stock is owned by institutional investors. Learn more on MRCY's institutional investor holdings.

Of the 296 institutional investors that purchased Mercury Systems' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($9.37M), First Trust Advisors LP ($1.57M), Invesco Ltd. ($1.36M), Conestoga Capital Advisors LLC ($1.23M), Allspring Global Investments Holdings LLC ($775.22K), Loomis Sayles & Co. L P ($757.22K), and Bamco Inc. NY ($706.16K).

Institutional investors have bought a total of 18,201,049 shares in the last 24 months. This purchase volume represents approximately $1.94B in transactions.

Of the 109 institutional investors that sold Mercury Systems' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: State Street Corp ($3.05M), JANA Partners Management LP ($1.79M), William Blair Investment Management LLC ($1.51M), T. Rowe Price Investment Management Inc. ($1.26M), Conestoga Capital Advisors LLC ($657.95K), Dimensional Fund Advisors LP ($515.84K), and Millennium Management LLC ($486.07K).

Institutional investors have sold a total of 12,882,084 shares in the last 24 months. This volume of shares sold represents approximately $995.94M in transactions.


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Institutional ownership data for NASDAQ:MRCY is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 11/14/2026. New 13F filings are added each quarter as they're published.
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