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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 LPDirector2026-02-09400,000$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
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

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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 LP17.55%10,533,350$867.53MInsider
Blackrock Inc14.35%8,611,638$709.25MInstitution
Vanguard Group Inc9.38%5,632,049$463.86MInstitution
Jana Partners LLC7.85%4,711,386$388.03MInsider
State Street Corp5.70%3,423,600$281.97MInstitution
Conestoga Capital Advisors LLC3.62%2,174,807$179.12MInstitution
Dimensional Fund Advisors LP2.46%1,475,821$121.55MInstitution
Geode Capital Management LLC2.28%1,368,659$112.72MInstitution
First Trust Advisors LP2.13%1,279,384$105.37MInstitution
Goldman Sachs Group Inc1.93%1,156,397$95.24MInstitution

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MRCY vs Defense Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRCY70.28%29.72%Net SellingNet Selling
AIR72.59%9.34%Net SellingNet Selling
ACHR47.93%22.55%Net SellingNet Selling
VSEC78.85%16.36%Net SellingNet Buying
BETA28.86%28.14%Net BuyingNet Buying
View Top Defense Stocks

Mercury Systems Stock Ownership FAQ

Who owns Mercury Systems?

Mercury Systems (NASDAQ: MRCY) is owned by 75.89% institutional shareholders, 32.10% Mercury Systems insiders, and 0.00% retail investors. Jana Partners Management LP is the largest individual Mercury Systems shareholder, owning 10.53M shares representing 17.55% of the company. Jana Partners Management LP's Mercury Systems shares are currently valued at $867.53M.

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