MERCURY SYSTEMS INC (MRCY) Institutional Ownership Changes & 13F Activity

MERCURY SYSTEMS INC (MRCY). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Jana Partners Management, Lp, Invesco Ltd., Ameriprise Financial Inc, American Capital Management Inc, and State Street Corp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Cim Investment Management IncBuy+662+7.4%9,589$1.17MQ2 2026Sep 29, 2026
Envestnet Asset Management IncBuy+950+3.0%32,150$3.93MQ2 2026Sep 23, 2026
State Street CorpSell-447,429-11.6%3,418,290$418.05MQ2 2026Sep 22, 2026
Manufacturers Life Insurance Company, TheBuy+3,869+13.8%31,820$3.89MQ2 2026Sep 09, 2026
Cornerstone Financial Management LlcBuy+11—11$1.35KQ2 2026Aug 28, 2026
Corient Private Wealth LlcBuy+5,446+92.4%11,338$1.39MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-1,196-1.9%62,374$7.63MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+3,111—3,111$380.57KQ2 2026Aug 19, 2026
Beacon Pointe Advisors, LlcBuy+3,037—3,037$371.52KQ2 2026Aug 18, 2026
Fulcrum Asset Management LlpBuy+52—52$5.73KQ2 2026Aug 18, 2026
Empowered Funds, LlcBuy+1,905—1,905$233.04KQ2 2026Aug 17, 2026
Centaurus Financial, Inc.Sell-806-19.2%3,390$415.00KQ2 2026Aug 17, 2026
Public Employees Retirement System Of OhioSell-53-13.1%353$43.18KQ2 2026Aug 17, 2026
Jana Partners Management, LpBuy+3,958,849—3,958,849$484.29MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+2,669,450—2,669,450$326.55MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+499,207—499,207$61.07MQ2 2026Aug 14, 2026
American Capital Management IncBuy+486,064—486,064$59.46MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+374,615+31.2%1,575,727$192.76MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+256,960+25.0%1,285,569$157.26MQ2 2026Aug 14, 2026
Driehaus Capital Management LlcBuy+193,293+65.6%487,921$59.69MQ2 2026Aug 14, 2026
Nomura Asset Management International Inc.Sell-146,513-50.8%142,027$17.37MQ2 2026Aug 14, 2026
Mirae Asset Global Etfs Holdings Ltd.Sell-143,470-16.7%715,977$87.59MQ2 2026Aug 14, 2026
Royal Bank Of CanadaSell-138,606-26.0%394,081$48.21MQ2 2026Aug 14, 2026
Metlife Investment Management, LlcSell-122,202-41.3%173,537$21.23MQ2 2026Aug 14, 2026
Jane Street Group, LlcBuy+115,338—115,338$14.11MQ2 2026Aug 14, 2026
Df Dent & Co IncBuy+113,611—113,611$13.90MQ2 2026Aug 14, 2026
Sei Investments CoSell-109,280-29.5%261,712$32.02MQ2 2026Aug 14, 2026
Summit Partners Public Asset Management, LlcBuy+98,122—98,122$12.00MQ2 2026Aug 14, 2026
Two Sigma Investments, LpSell-90,208-55.7%71,861$8.79MQ2 2026Aug 14, 2026
Van Eck Associates CorpSell-88,151-10.4%762,994$93.34MQ2 2026Aug 14, 2026
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Frequently asked questions about MRCY activity

  • Which institutional owners are buying MRCY?

    Institutional owners buying MRCY include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MRCY activity?

    "Buy" means an investor increased their reported position in MRCY compared to the prior reporting period. This reflects growing exposure to MERCURY SYSTEMS INC (MRCY) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MRCY increasing?

    Institutional interest in MRCY can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.