Skip to main content
Livermore
Livermore
ZHEN

Mercury Systems Inc

MRCY
Exchange
Nasdaq
Industry
Electronic Components & Accessories
SEC CIK
0001049521

In the last 90 days, Mercury Systems Inc insiders filed 0 open-market purchases and 16 sales; 393 institutions reported holding it in 13F filings for Q2 2026, worth $8.02B in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Mercury Systems Inc changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of MRCY: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders3476357+16
Shares64.6M5.94M65.2M+6.52M (+11.1%)
Value$4.72B$433.4M$4.75B+$463.1M (+10.8%)

6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (58)

Institutions that held Mercury Systems Inc at the end of Q1 2026 but not at the end of Q4 2025.

Institutions new to MRCY in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Portfolio Management LLC2,910,904$212.2M0.01%
Vanguard Capital Management LLC2,403,818$175.3M0.00%
Wellington Management Group LLP755,525$55.1M0.01%
Artisan Partners Limited Partnership354,265$25.8M0.04%
Vanguard Fiduciary Trust Co349,225$25.5M0.01%
Susquehanna International Group, LLP44,714$3.26M0.00%
Vanguard Asset Management, Ltd43,113$3.14M0.00%
ExodusPoint Capital Management, LP39,224$2.86M0.03%
Freemont Management S.A.31,700$2.31M0.43%
Vanguard Global Advisers, LLC22,711$1.66M0.00%
Squarepoint Ops LLC21,571$1.57M0.00%
Millennium Management LLC16,011$1.17M0.00%
Vanguard Investments Australia, Ltd.13,149$958.7K0.00%
Richard Bernstein Advisors LLC10,715$781.2K0.02%
Virtu Financial LLC9,420$687.0K0.03%
Perbak Capital Partners LLP8,184$596.7K0.15%
Amundi8,033$585.7K0.00%
Guidance Capital, Inc6,848$568.1K0.13%
Nomura Holdings Inc5,893$429.7K0.00%
F/M Investments LLC5,486$400.0K0.03%
Algert Global LLC5,460$398.1K0.01%
IMC-Chicago, LLC5,422$395.3K0.01%
HighTower Advisors, LLC5,062$369.1K0.00%
Bridgefront Capital, LLC4,914$358.3K0.09%
Blackstone Group Inc.3,799$277.0K0.00%
CIBC Bancorp USA Inc.3,467$252.8K0.00%
Highland Capital Management, LLC3,300$240.6K0.01%
Y-Intercept (Hong Kong) Ltd3,213$234.3K0.00%
DnB Asset Management AS3,208$233.9K0.00%
Swiss Life Asset Management Ltd3,194$232.9K0.00%
Blueshift Asset Management, LLC3,104$226.3K0.07%
Abel Hall, LLC3,067$223.6K0.05%
Winton Group Ltd3,057$222.9K0.01%
Mariner, LLC2,993$218.2K0.00%
Engineers Gate Manager LP2,980$217.3K0.00%
Syon Capital LLC2,752$200.6K0.01%
Simplex Trading, LLC1,294$94.3K0.00%
Caitong International Asset Management Co., Ltd980$71.5K0.01%
Sittner & Nelson, LLC918$66.9K0.02%
Quarry LP740$54.0K0.01%
Banque Transatlantique SA642$46.8K0.00%
Walleye Trading LLC635$46.3K0.00%
Optiver Holding B.V.331$24.1K0.00%
Group One Trading, L.P.303$22.1K0.00%
HM Payson & Co200$14.6K0.00%
Cedar Mountain Advisors, LLC152$11.1K0.00%
Millstone Evans Group, LLC119$8.68K0.01%
Twin Peaks Wealth Advisors, LLC108$7.87K0.00%
MAI Capital Management49$3.57K0.00%
NBT Bank N A24$1.75K0.00%
Wall Street Financial Group, Inc.11$8020.00%
International Assets Investment Management, LLC10$7480.00%
Rakuten Securities, Inc.9$6560.00%
Rossby Financial, LCC7$5230.00%
Assetmark, Inc6$4370.00%
Bogart Wealth, LLC6$4370.00%
Vermillion Wealth Management, Inc.3$2190.00%
Advisory Services Network, LLC1$730.00%

Sold out (42)

Institutions that held Mercury Systems Inc at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of MRCY in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Staley Capital Advisers Inc161,100$11.8M
Tudor Investment Corp Et Al69,178$5.05M
Portolan Capital Management, LLC46,348$3.38M
Marshall Wace, LLP36,821$2.69M
Quantbot Technologies LP28,194$2.06M
HRT Financial LP28,051$2.05M
Integrated Quantitative Investments LLC23,036$1.68M
Two Sigma Advisers, LP21,100$1.54M
Sandler Capital Management17,800$1.30M
Bridgewater Associates, LP15,469$1.13M
Verition Fund Management LLC14,900$1.09M
XTX Topco Ltd12,182$889.4K
Neo Ivy Capital Management10,960$800.2K
Altfest L J & Co Inc10,898$795.7K
Yarbrough Capital, LLC9,991$729.4K
Freestone Grove Partners LP8,605$628.3K
Guggenheim Capital LLC8,297$605.8K
Colony Group, LLC7,134$520.9K
Canada Pension Plan Investment Board6,600$481.9K
Fuller & Thaler Asset Management, Inc.5,371$392.2K
Graham Capital Management, L.P.5,121$373.9K
Grimes & Company, Inc.4,994$364.6K
EntryPoint Capital, LLC4,677$341.5K
Aquatic Capital Management LLC3,953$288.6K
Pacer Advisors, Inc.3,814$278.5K
HSBC Holdings PLC3,386$248.1K
Mackenzie Financial Corp3,263$240.5K
Teacher Retirement System of Texas3,211$234.4K
Forum Financial Management, LP3,107$226.8K
Marex Group plc3,038$221.8K
Atria Investments LLC2,909$212.4K
Johnson Investment Counsel Inc2,905$212.1K
Kestra Advisory Services, LLC2,250$164.3K
Hollencrest Capital Management500$36.5K
Quest Partners LLC401$29.3K
Aster Capital Management (DIFC) Ltd141$10.3K
Hillsdale Investment Management Inc.120$8.76K
Clearstead Advisors, LLC27$1.97K
Advocate Investing Services LLC10$730
Flagship Harbor Advisors, LLC5$365
Elyxium Wealth, LLC5$365
TD Capital Management LLC4$292

Not filed for Q1 2026 yet (6)

Institutions that held Mercury Systems Inc at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MRCY in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc5,632,049$411.2M
Comerica Bank292,098$21.3M
CIBC World Markets Corp3,445$251.5K
MGB Wealth Management, LLC2,900$211.7K
Global Retirement Partners, LLC2,775$202.6K
CIBC Private Wealth Group, LLC2,454$179.2K