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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
Stuart KupinskyCLO;Sec;EVP2026-10-211,000$76.00
$76.00kSell
Stuart KupinskyCLO;Sec;EVP2026-09-211,000$86.52
$86.52kSell
Steven RatnerCHRO;EVP2026-09-034,000$84.51
$338.03kSell
William L. BallhausCEO;Chair;Pres2026-08-2668,476$43.00
$2.94MBuy
William L. BallhausCEO;Chair;Pres2026-08-2610,814$89.74
$970.49kSell
William L. BallhausCEO;Chair;Pres2026-08-2638,276$88.91
$3.40MSell
William L. BallhausCEO;Chair;Pres2026-08-253,448$87.99
$303.40kSell
William L. BallhausCEO;Chair;Pres2026-08-25153,676$43.00
$6.61MBuy
William L. BallhausCEO;Chair;Pres2026-08-25107,628$87.09
$9.37MSell
William L. BallhausCEO;Chair;Pres2026-08-24105,471$89.47
$9.44MSell

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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 LP16.55%10,081,293$842.59MInsider
Jana Partners LLC7.73%4,711,386$393.78MInsider
Mark Aslett0.84%509,081$42.55MInsider
William L. Ballhaus0.62%377,357$31.54MInsider
Didier M. C. Thibaud0.40%245,917$20.55MInsider
Gerald M. Haines Ii0.35%210,760$17.62MInsider
Michael Ruppert0.33%202,714$16.94MInsider
Kevin M. Bisson0.26%159,786$13.35MInsider
Christopher C. Cambria0.22%136,266$11.39MInsider
David E. Farnsworth0.20%119,483$9.99MInsider

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MRCY vs Defense Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
MRCY0.11%30.75%Net SellingNet Buying
VSEC0.15%12.22%Net SellingNet Selling
PL0.07%12.06%Net SellingNet Selling
MDA0.05%0.00%
KRMN0.09%64.09%Net SellingNet Buying
View Top Defense Stocks

Mercury Systems Stock Ownership FAQ

Who owns Mercury Systems?

Mercury Systems (NASDAQ: MRCY) is owned by 0.11% institutional shareholders, 30.75% Mercury Systems insiders, and 69.14% retail investors. Jana Partners Management LP is the largest individual Mercury Systems shareholder, owning 10.08M shares representing 16.55% of the company. Jana Partners Management LP's Mercury Systems shares are currently valued at $890.48M.

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