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Disclosery

MRCY MERCURY SYS INC

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Stock (common), issuer CIK 1049521

319 managers (326 13F filers) reported a position in MRCY shares at 2025-09-30, 64,857,957 shares in all. 68 filers opened a position and 26 filers sold out during the quarter.

Managers
319
13F filers
326
New
68
Added
108
Reduced
109
Sold out
26
Shares held by filers
64,857,957

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Jain Global LLC4,866$377K<0.01%new13F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT4,740$367K<0.01%new13F-HRTimeline
EntryPoint Capital, LLC4,677$362K0.14%new13F-HRTimeline
Swedbank ABin group Swedbank AB4,665$361K<0.01%new13F-HRTimelineGroup
Moors & Cabot, Inc.4,600$356K0.02%-65013F-HRTimeline
Verdence Capital Advisors LLC4,469$351K0.02%+7913F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…4,351$337K0.01%-1,02013F-HRTimelineGroup
GRIMES & Co WEALTH MANAGEMENT, LLC4,220$327K0.01%new13F-HRTimeline
Lombard Odier Asset Management (USA) Co…4,206$326K0.07%-3,39913F-HRTimeline
CENTAURUS FINANCIAL, INC.4,192$324K0.02%-77413F-HRTimeline
VICUS CAPITAL4,089$316K0.02%new13F-HRTimeline
XPONANCE LLC4,051$314K<0.01%+2713F-HRTimeline
Alamea Verwaltungs GmbH3,897$302K0.21%new13F-HRTimeline
Headlands Technologies LLC3,801$294K0.02%new13F-HRTimeline
JOHNSON INVESTMENT COUNSEL INC3,627$281K<0.01%-2,18013F-HRTimeline
MACKENZIE FINANCIAL CORP3,507$271K<0.01%-14,34213F-HRTimeline
STOREBRAND ASSET MANAGEMENT AS3,500$271K<0.01%new13F-HRTimeline
Mariner, LLCin group Mariner, LLC3,486$270K<0.01%new13F-HRTimelineGroup
NorthCrest Asset Manangement, LLC3,213$268K0.01%new13F-HRTimeline
PANAGORA ASSET MANAGEMENT INC3,362$260K<0.01%new13F-HRTimeline
Crossmark Global Holdings, Inc.3,281$254K<0.01%new13F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC3,272$253K<0.01%new13F-HRTimelineGroup
Forum Financial Management, LPin group Forum Financial Management, LP3,107$240K<0.01%new13F-HRTimelineGroup
Optiver Holding B.V.in group Optiver Holding B.V.3,063$237K<0.01%+2,89013F-HRTimelineGroup
JOURNEY STRATEGIC WEALTH LLC3,043$236K0.01%new13F-HRTimeline
Atria Investments, Inc2,941$228K<0.01%new13F-HRTimeline
Abacus Planning Group, Inc.2,904$225K0.03%new13F-HRTimeline
MGB Wealth Management, LLC2,900$224K0.06%new13F-HRTimeline
PEAPACK GLADSTONE FINANCIAL CORP2,827$219K<0.01%new13F-HRTimeline
Intrua Financial, LLC2,729$211K0.02%new13F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…2,684$208K<0.01%new13F-HRTimelineGroup
MARCO INVESTMENT MANAGEMENT LLC2,655$205K0.02%new13F-HRTimeline
Hilltop National Bank2,608$202K0.05%+55813F-HRTimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.2,595$201K<0.01%new13F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\2,238$173K<0.01%013F-HRTimelineGroup
PEREGRINE CAPITAL MANAGEMENT LLC2,134$165K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC1,941$150K<0.01%+18113F-HRTimeline
KBC Group NVin group KBC Group NV1,886$146K<0.01%013F-HRTimelineGroup
Penserra Capital Management LLCin group Penserra Capital Management L…1,872$144K<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,728$134K<0.01%-4,76613F-HRTimelineGroup
Arax Advisory Partners1,685$130K<0.01%+1,22513F-HRTimeline
GAMMA Investing LLC1,600$124K0.01%+27813F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…1,251$96.8K<0.01%+613F-HRTimelineGroup
State of Wyoming1,124$87K0.01%new13F-HRTimeline
MARK SHEPTOFF FINANCIAL PLANNING, LLC1,100$85.1K0.04%013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…897$69.4K<0.01%-3213F-HRTimelineGroup
WEXFORD CAPITAL LP853$66K0.02%new13F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP708$54.4K<0.01%+2513F-HRTimelineGroup
GHP Investment Advisors, Inc.700$54.2K<0.01%013F-HRTimeline
SIGNATUREFD, LLC697$53.9K<0.01%+513F-HRTimeline
Allworth Financial LP688$53.3K<0.01%+313F-HRTimeline
Quaker Wealth Management, LLC644$49.8K0.02%013F-HRTimeline
AlphaQuest LLC569$44K<0.01%+16813F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…557$43.1K<0.01%-7913F-HRTimeline
Leonteq Securities AG432$33.4K<0.01%+2213F-HRTimeline
Versant Capital Management, Inc432$33.4K<0.01%013F-HRTimeline
SIMPLEX TRADING, LLC427$33K<0.01%+21513F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…425$32.9K<0.01%new13F-HRTimelineGroup
Salomon & Ludwin, LLC383$32K<0.01%new13F-HRTimeline
Coston, McIsaac & Partners396$30K0.01%013F-HRTimeline
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU…360$27.9K0.01%013F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC314$24.3K<0.01%-26813F-HRTimeline
DANSKE BANK A/S300$23.2K<0.01%013F-HR/ATimeline
Steward Partners Investment Advisory, L…300$23.2K<0.01%new13F-HRTimeline
Smartleaf Asset Management LLC290$21.8K<0.01%+4313F-HRTimeline
UMB Bank, n.a.268$20.7K<0.01%+4013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
SBI Securities Co., Ltd.268$20.7K<0.01%+19813F-HRTimeline
Root Financial Partners, LLC195$15.1K<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust167$12.9K<0.01%013F-HRTimeline
Parallel Advisors, LLC164$12.7K<0.01%013F-HRTimeline
WPG Advisers, LLC163$12.6K0.01%+1513F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK162$12.5K<0.01%013F-HRTimelineGroup
Quent Capital, LLC161$12.5K<0.01%new13F-HRTimeline
Hemington Wealth Management156$12K<0.01%+1313F-HRTimeline
MassMutual Private Wealth & Trust, FSB150$11.6K<0.01%+113F-HRTimeline
Covestor Ltd148$11K0.01%-713F-HRTimeline
Hillsdale Investment Management Inc.120$9.29K<0.01%-3013F-HRTimeline
IFP Advisors, Inc113$8.75K<0.01%+8213F-HR/ATimeline
Bare Financial Services, Inc108$8.36K<0.01%+7713F-HRTimeline
WHITTIER TRUST CO93$7.77K<0.01%new13F-HRTimeline
TOTH FINANCIAL ADVISORY CORP100$7.74K<0.01%013F-HRTimeline
Larson Financial Group LLC87$6.73K<0.01%+4113F-HRTimeline
ROTHSCHILD INVESTMENT LLC85$6.58K<0.01%-2013F-HRTimeline
Fortitude Family Office, LLC83$6.42K<0.01%+313F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.75$5.8K<0.01%-72613F-HRTimelineGroup
Colonial Trust Co / SCin group Colonial Trust Advisors75$5.65K<0.01%-113F-HRTimelineGroup
Farther Finance Advisors, LLC68$5.26K<0.01%+1313F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.66$5K<0.01%+3313F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Wealthspire Advisors, LLC60$4.64K<0.01%new13F-HRTimeline
Private Wealth Management Group, LLC56$4.33K<0.01%013F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC45$3.76K<0.01%013F-HRTimeline
Clearstead Advisors, LLC47$3.64K<0.01%new13F-HRTimeline
Aster Capital Management (DIFC) Ltd40$3.1K<0.01%-74413F-HRTimeline
JFS WEALTH ADVISORS, LLC39$3.02K<0.01%-313F-HRTimeline
Prestige Wealth Management Group LLC39$3.02K<0.01%013F-HR/ATimeline
ARMSTRONG ADVISORY GROUP, INC39$3.02K<0.01%new13F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…32$2.48K<0.01%-313F-HRTimelineGroup
Golden State Wealth Management, LLC30$2.32K<0.01%new13F-HRTimeline
Physician Wealth Advisors, Inc.30$2.32K<0.01%013F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC26$2.01K<0.01%013F-HRTimeline
Sachetta, LLC20$1.55K<0.01%013F-HRTimeline
Clearstead Trust, LLC18$1.39K<0.01%013F-HRTimeline
Essential Partners LLC18$1.39K<0.01%+1513F-HRTimeline
Annis Gardner Whiting Capital Advisors,…16$1.24K<0.01%013F-HRTimeline
MV CAPITAL MANAGEMENT, INC.14$1.08K<0.01%013F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp10$774<0.01%013F-HRTimelineGroup
DiNuzzo Private Wealth, Inc.11$744<0.01%-113F-HRTimeline
FINANCIAL CONSULATE, INC9$697<0.01%new13F-HRTimeline
Sunbelt Securities, Inc.8$619<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.7$542<0.01%013F-HRTimeline
Quarry LP7$542<0.01%new13F-HRTimeline
Rialto Wealth Management, LLC6$465<0.01%+213F-HRTimeline
Bay Harbor Wealth Management, LLC6$464<0.01%+313F-HRTimeline
HFM Investment Advisors, LLC6$464<0.01%+113F-HRTimeline
Abound Wealth Management4$310<0.01%013F-HRTimeline
True Wealth Design, LLC3$233<0.01%013F-HRTimeline
Bear Mountain Capital, Inc.2$158<0.01%new13F-HRTimeline
HARBOUR INVESTMENTS, INC.1$77<0.01%new13F-HRTimeline
Cloud Capital Management, LLC10$00%new13F-HRTimelineValue filed as zero, left out of ratios.