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NASDAQ: MRCY
Mercury Systems Inc Stock Ownership - Who owns Mercury Systems?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Mercury Systems Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Jana Partners Management LPDirector2026-03-04100,899$89.68
$9.05MSell
Jana Partners Management LPDirector2026-03-03168,648$90.12
$15.20MSell
Jana Partners Management LPDirector2026-03-02182,510$94.05
$17.17MSell
Howard L. LanceDirector2026-02-254,832$88.98
$429.96kSell
Douglas MunroSVP CAO2026-02-17582$83.56
$48.63kSell
Stuart KupinskyEVP CLO Corp Sec2026-02-172,287$83.56
$191.09kSell
Jana Partners Management LPDirector2026-02-09400,000$81.00
$32.40MSell
Douglas MunroSVP CAO2025-11-121,329$73.42
$97.57kSell
Debora A. PlunkettDirector2025-11-071,700$73.99
$125.78kSell
Jana Partners Management LPDirector2025-11-061,000,000$75.45
$75.45MSell

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Net Insider Buy/Sell (L12M) Ownership

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MRCY Shareholders

What type of owners hold Mercury Systems Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Jana Partners Management LP16.80%10,081,293$704.28MInsider
Blackrock Inc14.35%8,611,638$601.61MInstitution
Vanguard Group Inc9.38%5,632,049$393.45MInstitution
Jana Partners Management LP8.26%4,959,481$346.47MInstitution
Jana Partners LLC7.85%4,711,386$329.14MInsider
State Street Corp5.70%3,423,600$239.17MInstitution
Conestoga Capital Advisors LLC3.62%2,174,807$151.93MInstitution
Invesco Ltd3.18%1,910,742$133.48MInstitution
T Rowe Price Investment Management Inc2.57%1,542,851$107.78MInstitution
Dimensional Fund Advisors LP2.46%1,475,821$103.10MInstitution

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MRCY vs Defense Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRCY77.46%22.54%Net SellingNet Selling
AIR91.18%8.82%Net SellingNet Selling
FLY36.66%11.43%Net Buying
LUNR37.46%21.07%Net SellingNet Selling
ACHR50.31%19.77%Net SellingNet Selling
View Top Defense Stocks

Mercury Systems Stock Ownership FAQ

Who owns Mercury Systems?

Mercury Systems (NASDAQ: MRCY) is owned by 107.66% institutional shareholders, 31.33% Mercury Systems insiders, and 0.00% retail investors. Jana Partners Management LP is the largest individual Mercury Systems shareholder, owning 10.08M shares representing 16.80% of the company. Jana Partners Management LP's Mercury Systems shares are currently valued at $735.03M.

If you're new to stock investing, here's how to buy Mercury Systems stock.
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