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Disclosery

MRCY MERCURY SYS INC

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Stock (common), issuer CIK 1049521

380 managers (393 13F filers) reported a position in MRCY shares at 2026-06-30, 65,624,448 shares in all. 82 filers opened a position and 44 filers sold out during the quarter.

Managers
380
13F filers
393
New
82
Added
129
Reduced
132
Sold out
44
Shares held by filers
65,624,448

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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
Keenan, LLC4,423$541K0.38%new13F-HRTimeline
Crossmark Global Holdings, Inc.4,389$537K0.01%+1,34613F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC4,305$527K<0.01%new13F-HRTimeline
Steward Partners Investment Advisory, L…4,299$526K<0.01%+11813F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…4,151$508K<0.01%-1,06513F-HRTimelineGroup
ALLSTATE CORPin group ALLSTATE CORP4,102$502K0.01%new13F-HRTimelineGroup
Ethic Inc.3,987$488K0.01%new13F-HRTimeline
Callan Family Office, LLCin group Callan Family Office, LLC3,962$485K0.01%-6,61013F-HRTimelineGroup
CIBC Bancorp USA Inc.in group CIBC Bancorp USA Inc.3,728$463K<0.01%+26113F-HRTimelineGroup
Ensign Peak Advisors, Inc3,652$447K<0.01%-1,50013F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC3,611$442K0.03%-12,74713F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…3,584$438K<0.01%+39013F-HRTimelineGroup
Moors & Cabot, Inc.3,550$434K0.02%-35013F-HRTimeline
Sanctuary Advisors, LLC3,506$429K<0.01%new13F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC3,471$425K<0.01%-39313F-HRTimeline
DekaBank Deutsche Girozentrale5,826$421K<0.01%013F-HRTimeline
INCEPTIONR LLC3,432$420K0.1%new13F-HRTimeline
CENTAURUS FINANCIAL, INC.3,390$415K0.02%-80613F-HRTimeline
HIGHLAND CAPITAL MANAGEMENT, LLC3,367$412K0.02%+6713F-HRTimeline
PANAGORA ASSET MANAGEMENT INC3,362$411K<0.01%-3813F-HRTimeline
GSA CAPITAL PARTNERS LLP3,351$410K0.03%-9,16913F-HRTimeline
Hunter Perkins Capital Management, LLC3,190$390K0.09%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\3,149$385K<0.01%-5,94113F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV3,111$381K<0.01%new13F-HR/ATimeline
HB Wealth Management, LLC3,073$376K<0.01%new13F-HRTimeline
PROFUND ADVISORS LLC3,042$372K0.01%new13F-HRTimeline
Beacon Pointe Advisors, LLC3,037$372K<0.01%new13F-HRTimeline
NorthCrest Asset Manangement, LLC3,249$371K0.01%+1613F-HRTimeline
Abel Hall, LLC3,034$371K0.06%-3313F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd3,027$370K<0.01%new13F-HRTimelineGroup
Verdence Capital Advisors LLC3,026$370K0.02%new13F-HRTimeline
Crestwood Advisors Group, LLC2,960$362K0.01%new13F-HRTimeline
POLEN CAPITAL MANAGEMENT LLC2,904$355K<0.01%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC2,901$355K<0.01%-13,11013F-HRTimelineGroup
Global Retirement Partners, LLC2,816$344K0.01%13F-HRTimeline
THOROUGHBRED FINANCIAL SERVICES, LLC2,795$341K0.02%new13F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS2,786$341K<0.01%new13F-HRTimeline
SYON CAPITAL LLC2,777$340K0.01%+2513F-HRTimeline
Cetera Investment Advisers2,774$339K<0.01%new13F-HRTimeline
DNB Asset Management ASin group DNB Asset Management AS2,673$327K<0.01%-53513F-HRTimelineGroup
MARCO INVESTMENT MANAGEMENT LLC2,655$325K0.02%new13F-HRTimeline
HighTower Advisors, LLC2,572$315K<0.01%-2,49013F-HRTimeline
Cornerstone Investment Partners, LLC2,543$311K0.01%new13F-HRTimeline
Hilltop National Bank2,510$307K0.07%-32513F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC2,465$302K<0.01%new13F-HRTimelineGroup
Themes Management Co LLC2,388$292K0.19%new13F-HRTimeline
TWINBEECH CAPITAL LP2,346$287K0.05%new13F-HRTimeline
Polymer Capital Management (US) LLC2,313$283K0.04%new13F-HRTimeline
Bayforest Capital Ltd2,293$281K0.26%+1,25613F-HRTimeline
KESTRA PRIVATE WEALTH SERVICES, LLCin group Kestra Advisory Services, LLC2,247$275K<0.01%new13F-HRTimelineGroup
Merit Financial Group, LLC2,226$272K<0.01%new13F-HR/ATimeline
NISA INVESTMENT ADVISORS, LLC2,189$268K<0.01%+4413F-HRTimeline
Nykredit A/Sin group Nykredit A/S2,167$265K<0.01%13F-HR/ATimelineGroup
Hardy Reed LLC2,125$260K0.02%new13F-HRTimeline
AE Wealth Management LLC2,060$252K<0.01%new13F-HRTimeline
Smartleaf Asset Management LLC2,246$248K0.01%013F-HRTimeline
GAMMA Investing LLC1,984$243K0.01%+15513F-HRTimeline
ANGELES WEALTH MANAGEMENT, LLCin group ANGELES WEALTH MANAGEMENT, LLC1,936$237K0.01%new13F-HRTimelineGroup
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…1,915$234K<0.01%new13F-HRTimelineGroup
Empowered Funds, LLC1,905$233K<0.01%new13F-HRTimeline
Williams Jones Wealth Management, LLC.1,900$232K<0.01%new13F-HRTimeline
Catalyst Funds Management Pty Ltd1,900$232K0.01%new13F-HRTimeline
Intellectus Partners, LLC1,895$232K0.04%new13F-HRTimeline
KBC Group NVin group KBC Group NV1,886$231K<0.01%013F-HRTimelineGroup
CIBC Asset Management Inc1,856$227K<0.01%new13F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC1,848$226K<0.01%new13F-HRTimelineGroup
BYRNE FINANCIAL FREEDOM, LLC1,770$217K0.08%new13F-HRTimeline
&PARTNERS1,760$215K<0.01%new13F-HRTimeline
RITHOLTZ WEALTH MANAGEMENT1,730$212K<0.01%new13F-HR/ATimeline
Silverberg Bernstein Capital Management…1,700$208K0.08%new13F-HRTimeline
First Bank & Trust1,674$205K0.03%new13F-HRTimeline
Yarbrough Capital, LLC1,666$204K0.01%new13F-HRTimeline
SIMPLEX TRADING, LLC1,657$203K0.01%+36313F-HRTimeline
Arax Advisory Partners1,555$190K<0.01%+1,13513F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.1,329$163K<0.01%+36413F-HRTimelineGroup
Pinnacle Wealth Planning Services, Inc.1,271$155K0.01%-76713F-HRTimeline
Kemnay Advisory Services Inc.1,181$144K0.02%+83513F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding1,144$140K-1,731Timeline
State of Wyoming1,081$132K0.01%+7113F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …1,050$128K<0.01%-21413F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP1,160$127K<0.01%+50713F-HRTimelineGroup
SITTNER & NELSON, LLC918$112K0.04%013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…821$100K<0.01%+18513F-HRTimelineGroup
SIGNATUREFD, LLC783$95.8K<0.01%-3413F-HRTimeline
Allworth Financial LP752$92K<0.01%+5013F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.689$84K<0.01%-19013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Quantbot Technologies LP670$82K<0.01%new13F-HRTimeline
Quaker Wealth Management, LLC644$78.8K0.02%013F-HRTimeline
Banque Transatlantique SAin group Banque Transatlantique SA642$78.5K<0.01%013F-HRTimelineGroup
FIL Ltdin group FIL Ltd542$66.3K<0.01%-8,52513F-HRTimelineGroup
Salomon & Ludwin, LLC464$57.1K<0.01%+8913F-HRTimeline
IFP Advisors, Inc463$56.6K<0.01%+33113F-HRTimeline
Institute for Wealth Management, LLC.428$52.4K<0.01%new13F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC426$52.1K<0.01%-3413F-HRTimeline
Versant Capital Management, Inc403$49.3K<0.01%-2913F-HRTimeline
GHP Investment Advisors, Inc.400$48.9K<0.01%-30013F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…393$48.1K<0.01%-33413F-HRTimelineGroup
Leonteq Securities AG393$48.1K<0.01%+4413F-HRTimeline
Coston, McIsaac & Partners396$48K0.01%013F-HRTimeline
Farther Finance Advisors, LLC371$45.1K<0.01%+12813F-HRTimeline
SBI Securities Co., Ltd.366$44.8K<0.01%+31013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…353$43.2K<0.01%-5313F-HRTimeline
MONTAG A & ASSOCIATES INC321$39.3K<0.01%new13F-HRTimeline
UMB Bank, n.a.290$35.5K<0.01%+1713F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
WHITTIER TRUST CO262$32.2K<0.01%013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC258$31.6K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK238$29.1K<0.01%+4513F-HRTimelineGroup
Parallel Advisors, LLC231$28.3K<0.01%+5013F-HRTimeline
Eurizon Capital SGR S.p.A.205$25.1K<0.01%-49813F-HRTimeline
MassMutual Private Wealth & Trust, FSB204$25K<0.01%-813F-HRTimeline
MARK SHEPTOFF FINANCIAL PLANNING, LLC200$24.5K0.01%013F-HRTimeline
Bare Financial Services, Inc195$23.9K0.01%+3713F-HRTimeline
Parkside Financial Bank & Trust168$20.6K<0.01%013F-HRTimeline
Quent Capital, LLC161$19.7K<0.01%013F-HRTimeline
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU…160$19.6K0.01%013F-HRTimeline
Cedar Mountain Advisors, LLC152$18.6K<0.01%013F-HRTimeline
Basecamp Wealth Advisors LLC141$17.2K<0.01%+1913F-HRTimeline
WPG Advisers, LLC136$16.6K0.01%-1913F-HRTimeline
Fortitude Family Office, LLC133$16.3K<0.01%+413F-HRTimeline
Millstone Evans Group, LLC119$14.6K0.01%013F-HRTimeline
ROTHSCHILD INVESTMENT LLC114$13.9K<0.01%+613F-HRTimeline
Hilton Head Capital Partners, LLC94$11.5K0.01%013F-HRTimeline
Keating Financial Advisory Services, In…84$10.3K<0.01%-413F-HRTimeline
TOTH FINANCIAL ADVISORY CORP80$9.79K<0.01%013F-HRTimeline
Caitong International Asset Management …78$9.54K<0.01%-90213F-HRTimeline
CVA Family Office, LLC75$9.18K<0.01%+3513F-HRTimeline
JFS WEALTH ADVISORS, LLC61$7.46K<0.01%+513F-HRTimeline
Private Wealth Management Group, LLC56$6.85K<0.01%013F-HRTimeline
Larson Financial Group LLC50$6.12K<0.01%-813F-HRTimeline
Colonial Trust Co / SCin group Colonial Trust Advisors55$6.06K<0.01%013F-HRTimelineGroup
Fulcrum Asset Management LLP52$5.73K<0.01%new13F-HRTimeline
Prestige Wealth Management Group LLC45$5.5K<0.01%+313F-HRTimeline
WHITTIER TRUST CO OF NEVADA INC45$5.21K<0.01%013F-HRTimeline
ARMSTRONG ADVISORY GROUP, INC39$4.77K<0.01%013F-HRTimeline
FIDUCIARY FINANCIAL ADVISORS34$4.04K<0.01%new13F-HRTimeline
FARMERS & MERCHANTS INVESTMENTS INCin group FARMERS & MERCHANTS INVESTMEN…30$3.67K<0.01%013F-HRTimelineGroup
Golden State Wealth Management, LLC30$3.67K<0.01%013F-HRTimeline
NBT BANK, N.A.in group NBT BANK, N.A.24$2.94K<0.01%013F-HRTimelineGroup
SJS Investment Consulting Inc.21$2.57K<0.01%+913F-HRTimeline
Rakuten Securities, Inc.in group Rakuten Group, Inc.21$2.57K<0.01%+1213F-HRTimelineGroup
Physician Wealth Advisors, Inc.20$2.45K<0.01%-1013F-HRTimeline
Sachetta, LLC20$2.44K<0.01%013F-HRTimeline
Essential Partners LLC19$2.32K<0.01%+113F-HRTimeline
Manchester Capital Management LLC16$1.96K<0.01%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC15$1.83K<0.01%+913F-HRTimelineGroup
MV CAPITAL MANAGEMENT, INC.14$1.71K<0.01%013F-HR/ATimeline
Bell Investment Advisors, Inc13$1.59K<0.01%+613F-HRTimeline
Creative Capital Management Investments…12$1.47K<0.01%new13F-HRTimeline
Ankerstar Wealth, LLC12$1.47K<0.01%013F-HRTimeline
Rialto Wealth Management, LLC12$1.47K<0.01%+513F-HRTimeline
DiNuzzo Private Wealth, Inc.11$1.35K<0.01%-113F-HRTimeline
Cornerstone Financial Management LLC11$1.35K<0.01%new13F-HR/ATimeline
INTERNATIONAL ASSETS INVESTMENT MANAGEM…10$1.23K<0.01%013F-HRTimeline
SouthState Bank Corpin group SouthState Bank Corp10$1.22K<0.01%013F-HRTimelineGroup
Plante Moran Financial Advisors, LLC10$1.22K<0.01%new13F-HRTimeline
Bay Harbor Wealth Management, LLC10$1.22K<0.01%+213F-HRTimeline
FINANCIAL CONSULATE, INC9$1.1K<0.01%013F-HRTimeline
HFM Investment Advisors, LLC9$1.1K<0.01%+513F-HRTimeline
Covestor Ltd10$1K<0.01%-9613F-HRTimeline
Noble Wealth Management PBC8$979<0.01%new13F-HRTimeline
CENTRAL TRUST Co7$857<0.01%013F-HRTimeline
GILPIN WEALTH MANAGEMENT, LLC7$857<0.01%-113F-HRTimeline
Bogart Wealth, LLC6$734<0.01%013F-HRTimeline
Signature Equity Partners, LLC6$734<0.01%013F-HRTimeline
Silver Grove Financial Group, Inc.6$734<0.01%new13F-HRTimeline
HARBOUR INVESTMENTS, INC.5$612<0.01%013F-HRTimeline
Clearstead Advisors, LLC4$490<0.01%new13F-HRTimeline
Davis Capital Management3$367<0.01%new13F-HRTimeline
LRI Investments, LLC3$367<0.01%new13F-HRTimeline
Abound Wealth Management2$245<0.01%013F-HRTimeline
Hughes Financial Services, LLC2$245<0.01%new13F-HRTimeline
Bear Mountain Capital, Inc.2$201<0.01%013F-HRTimeline
Dunhill Financial, LLC1$142<0.01%013F-HRTimeline
DecisionPoint Financial, LLC1$124<0.01%new13F-HRTimeline
JPL Wealth Management, LLC1$123<0.01%new13F-HRTimeline
MOTCO1$122<0.01%new13F-HRTimeline
SUMMIT SECURITIES GROUP LLC1$122<0.01%new13F-HRTimeline
RAFFA WEALTH MANAGEMENT, LLC1$122<0.01%-2513F-HRTimeline
Evolution Advisers, Inc.4$00%new13F-HRTimelineValue filed as zero, left out of ratios.
Navigoe, LLC3$00%new13F-HRTimelineValue filed as zero, left out of ratios.