WallStreetZenWallStreetZen

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
Howard L. LanceDirector2026-05-261,250$98.50
$123.12kSell
Howard L. LanceDirector2026-05-268,000$99.95
$799.62kSell
Orlando D. CarvalhoDirector2026-05-127,000$89.36
$625.53kSell
Steven RatnerEVP CHRO2026-05-112,000$92.46
$184.92kSell
David E. FarnsworthEVP CFO2026-04-163,625$84.87
$307.66kSell
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
Stuart KupinskyEVP CLO Corp Sec2026-02-172,287$83.56
$191.09kSell

1 of 3

MRCY insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when MRCY insiders and whales buy or sell their stock.

MRCY Shareholders

What type of owners hold Mercury Systems Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Jana Partners Management LP16.79%10,081,293$1.24BInsider
Blackrock Inc14.86%8,920,325$1.10BInstitution
Jana Partners LLC7.85%4,711,386$579.74MInsider
Jana Partners Management LP6.84%4,107,424$505.42MInstitution
State Street Corp6.44%3,865,719$475.68MInstitution
Vanguard Portfolio Management LLC4.85%2,910,904$358.19MInstitution
Invesco Ltd4.07%2,441,578$300.44MInstitution
Vanguard Capital Management LLC4.00%2,403,818$295.79MInstitution
Conestoga Capital Advisors LLC3.20%1,918,591$236.08MInstitution
T Rowe Price Investment Management Inc2.63%1,579,832$194.40MInstitution

1 of 3

MRCY vs Defense Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRCY77.63%22.37%Net SellingNet Selling
LOAR33.52%66.48%Net BuyingNet Selling
HXL75.91%24.09%Net BuyingNet Buying
KRMN57.01%42.99%Net Selling
CAE68.21%0.00%
View Top Defense Stocks

Mercury Systems Stock Ownership FAQ

Who owns Mercury Systems?

Mercury Systems (NASDAQ: MRCY) is owned by 108.54% institutional shareholders, 31.28% Mercury Systems insiders, and 0.00% retail investors. Jana Partners Management LP is the largest individual Mercury Systems shareholder, owning 10.08M shares representing 16.79% of the company. Jana Partners Management LP's Mercury Systems shares are currently valued at $1.27B.

If you're new to stock investing, here's how to buy Mercury Systems stock.
©2026 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.