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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
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
Douglas MunroVP CAO2025-09-1667$73.40
$4.92kSell
Steven RatnerEVP CHRO2025-08-207,000$63.76
$446.31kSell
Steven RatnerEVP CHRO2025-08-191,735$64.46
$111.85kSell
David E. FarnsworthEVP CFO2025-08-197,572$64.46
$488.12kSell
Stuart KupinskyEVP CLO Corp Sec2025-08-191,220$64.46
$78.65kSell
William L. BallhausChairman President CEO2025-08-1913,050$64.46
$841.26kSell
Douglas MunroVP CAO2025-08-19376$64.46
$24.24kSell

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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 LP18.19%10,933,350$837.55MInsider
Blackrock Inc14.11%8,477,158$649.39MInstitution
Jana Partners Management LP9.92%5,959,481$456.53MInstitution
Vanguard Group Inc9.54%5,731,033$439.03MInstitution
Jana Partners LLC7.84%4,711,386$360.92MInsider
State Street Corp5.08%3,055,358$234.06MInstitution
William Blair Investment Management LLC4.14%2,487,957$190.59MInstitution
Conestoga Capital Advisors LLC3.79%2,279,909$174.65MInstitution
Dimensional Fund Advisors LP2.90%1,743,814$133.58MInstitution
First Trust Advisors LP2.55%1,532,822$117.42MInstitution

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MRCY vs Defense Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRCY76.74%23.26%Net SellingNet Selling
ACHR48.99%22.57%Net SellingNet Selling
FLY37.56%11.23%Net Buying
VSEC86.97%13.03%Net SellingNet Buying
PL64.96%14.39%Net SellingNet Selling
View Top Defense Stocks

Mercury Systems Stock Ownership FAQ

Who owns Mercury Systems?

Mercury Systems (NASDAQ: MRCY) is owned by 107.91% institutional shareholders, 32.71% Mercury Systems insiders, and 0.00% retail investors. Jana Partners Management LP is the largest individual Mercury Systems shareholder, owning 10.93M shares representing 18.19% of the company. Jana Partners Management LP's Mercury Systems shares are currently valued at $814.43M.

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