13F

Stock

Mercury Sys Inc

Ticker not mapped · held by 345 managers

Reported value

$4.39B

Holders

345

+3 new · −0 exited

Holders’ est. mark

−$5.21M

Price effect on 7 books still in the name

Largest holder

$628.7M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.8.61M$628.7MHeld
Vanguard5.63M$411.2MHeld
JANA Partners Management, LP4.96M$362.1MHeld
State Street3.42M$250MHeld
Conestoga Capital Advisors, LLC2.17M$158.8MHeld
Invesco Ltd.1.91M$139.5MHeld
DIMENSIONAL FUND ADVISORS LP1.48M$107.8MHeld
GEODE CAPITAL MANAGEMENT, LLC1.37M$99.9MHeld
AMERIPRISE FINANCIAL INC1.29M$94.2MHeld
FIRST TRUST ADVISORS LP1.28M$93.4MHeld
GOLDMAN SACHS GROUP INC1.16M$84.4MHeld
Fidelity1.15M$84.1MHeld
NEUBERGER BERMAN GROUP LLC1.03M$75.2MHeld
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC984.3K$71.9MHeld
Fisher Asset Management, LLC860.4K$62.8MHeld
LOOMIS SAYLES & CO L P851.8K$62.2MHeld
BAMCO INC /NY/835.8K$61MHeld
Allspring Global Investments Holdings, LLC753.7K$57.3MHeld
SNYDER CAPITAL MANAGEMENT L P748.5K$54.7MHeld
MORGAN STANLEY730.7K$53.3M−$3.21MCut−$14.5M
RAYMOND JAMES FINANCIAL INC708.1K$52.1MHeld
KENNEDY CAPITAL MANAGEMENT LLC670.5K$49MHeld
ROYAL BANK OF CANADA644.1K$47MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC636.6K$46.5MHeld
SEGALL BRYANT & HAMILL, LLC636.5K$46.5MHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.598.6K$43.7MHeld
EMERALD ADVISERS, LLC531.1K$38.8MHeld
NORTHERN TRUST CORP517.8K$37.8MHeld
VOYA INVESTMENT MANAGEMENT LLC511.3K$37.3MHeld
JENNISON ASSOCIATES LLC450K$32.9MHeld
OBERWEIS ASSET MANAGEMENT INC/414K$30.2MHeld
SEI INVESTMENTS CO378.4K$27.6MHeld
Nuveen, LLC351.1K$25.6MHeld
EMERALD MUTUAL FUND ADVISERS TRUST336.1K$24.5MHeld
Bank of New York Mellon Corp322.3K$23.5MHeld
Driehaus Capital Management LLC304.7K$22.2MHeld
SILVERCREST ASSET MANAGEMENT GROUP LLC302.3K$22.1MHeld
COMERICA BANK292.1K$21.3MHeld
Aristotle Capital Boston, LLC279.3K$20.4MHeld
MetLife Investment Management, LLC268.4K$19.6MHeld
WCM INVESTMENT MANAGEMENT, LLC264.9K$19.6MHeld
PRINCIPAL FINANCIAL GROUP INC262.3K$19.2MHeld
UBS Group AG251.2K$18.3MHeld
BANK OF AMERICA CORP /DE/246.7K$18M−$1.08MCut−$1.53M
AMERICAN CENTURY COMPANIES INC238.9K$17.4MHeld
VICTORY CAPITAL MANAGEMENT INC227.5K$16.6MHeld
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC219.4K$16MHeld
FRANKLIN RESOURCES INC208.4K$15.2MHeld
KING LUTHER CAPITAL MANAGEMENT CORP202.6K$14.8MHeld
ROYCE & ASSOCIATES LP197.1K$14.4MHeld
Penn Capital Management Company, LLC191.9K$14MHeld
Man Group plc192K$14MHeld
AXIOM INVESTORS LLC /DE183.1K$13.4MHeld
PUBLIC SECTOR PENSION INVESTMENT BOARD183K$13.4MHeld
Freshford Capital Management, LLC182.4K$13.3MHeld
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.178.7K$13MHeld
PRUDENTIAL FINANCIAL INC166.1K$12.1MHeld
BNP PARIBAS FINANCIAL MARKETS164.5K$12MHeld
STALEY CAPITAL ADVISERS INC161.1K$11.8MHeld
Legal & General Group Plc160.9K$11.7MHeld
TWO SIGMA INVESTMENTS, LP150.2K$11MHeld
BARCLAYS PLC149.2K$10.9M−$644.8KCut−$476.8K
WELLS FARGO & COMPANY/MN149K$10.9MHeld
Cinctive Capital Management LP147.4K$10.8MHeld
Heights Point Management, LP143.1K$10.4MHeld
RHUMBLINE ADVISERS142.3K$10.4MHeld
PEREGRINE CAPITAL MANAGEMENT LLC142.2K$10.4MHeld
NEW YORK STATE COMMON RETIREMENT FUND139.3K$10.2MHeld
DEUTSCHE BANK AG\128.7K$9.4MHeld
AGMAN CAPITAL LLC122.8K$8.97MHeld
Vident Advisory, LLC121.9K$8.9MHeld
CASTLEARK MANAGEMENT LLC118.5K$8.65MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC115.6K$8.44MHeld
JPMORGAN CHASE & CO109.1K$7.97MHeld
Swiss National Bank106.5K$7.78MHeld
Citadel104.4K$7.62MHeld
13D Management LLC103.8K$7.58MHeld
Lisanti Capital Growth, LLC94.3K$6.88MHeld
Russell Investments Group, Ltd.89.8K$6.56MHeld
BLAIR WILLIAM & CO/IL83.8K$6.12MHeld
Select Equity Group, L.P.77.8K$5.68MHeld
Archon Capital Management LLC74.6K$5.45MHeld
Connor, Clark & Lunn Investment Management Ltd.70.3K$5.13MHeld
TUDOR INVESTMENT CORP ET AL69.2K$5.05M−$175.3KAdded$1.96M
NORDEA INVESTMENT MANAGEMENT AB67.4K$4.95MHeld
INTECH INVESTMENT MANAGEMENT LLC67.6K$4.94MHeld
DEEPWATER ASSET MANAGEMENT, LLC67.5K$4.93MHeld
Quantinno Capital Management LP66.6K$4.86MHeld
LPL Financial LLC64.4K$4.7MHeld
Candelo Capital Management LP64.2K$4.69MHeld
ALLIANCEBERNSTEIN L.P.60.8K$4.44MHeld
Cerity Partners LLC59.6K$4.35MHeld
D. E. Shaw & Co., Inc.58.6K$4.28MHeld
Pier Capital, LLC56.7K$4.14MHeld
STATE OF WISCONSIN INVESTMENT BOARD56.2K$4.1MHeld
CITIGROUP INC53.5K$3.91MHeld
Qube Research & Technologies Ltd51.5K$3.76MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM51.2K$3.74MHeld
Calamos Advisors LLC49.8K$3.64MHeld
RICE HALL JAMES & ASSOCIATES, LLC48.8K$3.56MHeld
ZIONS BANCORPORATION, NATIONAL ASSOCIATION /UT/47.4K$3.46MHeld
Edgestream Partners, L.P.47.2K$3.44MHeld
Portolan Capital Management, LLC46.3K$3.38MHeld
B. Metzler seel. Sohn & Co. AG45.3K$3.31MHeld
Manatuck Hill Partners, LLC45K$3.29MHeld
Icahn Capital41.8K$3.05MHeld
Legato Capital Management LLC41.4K$3.02MHeld
IRONWOOD INVESTMENT MANAGEMENT LLC39.4K$2.88MHeld
Swedbank AB38.3K$2.8MHeld
Gotham Asset Management, LLC38.2K$2.79MHeld
Summit Trail Advisors, LLC38K$2.77MHeld
MARSHALL WACE, LLP36.8K$2.69MHeld
TD Asset Management Inc32.5K$2.38MHeld
State of New Jersey Common Pension Fund D31.7K$2.32MHeld
Bouvel Investment Partners, LLC31.3K$2.28MHeld
Hennion & Walsh Asset Management, Inc.31K$2.26MHeld
Pathstone Holdings, LLC30.6K$2.23MHeld
MOODY NATIONAL BANK TRUST DIVISION29.8K$2.18MHeld
Creative Planning29.4K$2.15MHeld
One Capital Management, LLC29.3K$2.14MHeld
Future Fund LLC29.3K$2.14MHeld
Cresset Asset Management, LLC28.9K$2.11M−$105.5KAdded$247.2K
Quantbot Technologies LP28.2K$2.06MHeld
Sterling Capital Management LLC27.2K$1.98MHeld
Illinois Municipal Retirement Fund26.5K$1.94MHeld
Vestmark Advisory Solutions, Inc.26.2K$1.91MHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE26.1K$1.91MHeld
Louisiana State Employees Retirement System24.2K$1.77MHeld
ENVESTNET ASSET MANAGEMENT INC24.1K$1.76MHeld
GREAT LAKES ADVISORS, LLC23.5K$1.72MHeld
JANUS HENDERSON GROUP PLC23.5K$1.72MHeld
Integrated Quantitative Investments LLC23K$1.68MHeld
OPPENHEIMER & CO INC21.8K$1.59MHeld
Zurcher Kantonalbank (Zurich Cantonalbank)21.2K$1.55MHeld
TWO SIGMA ADVISERS, LP21.1K$1.54MHeld
CAPTRUST FINANCIAL ADVISORS19.2K$1.4MHeld
YOUSIF CAPITAL MANAGEMENT, LLC14.3K$1.39MHeld
STIFEL FINANCIAL CORP18.5K$1.35MHeld
State of Tennessee, Department of Treasury14.2K$1.34MHeld
SANDLER CAPITAL MANAGEMENT17.8K$1.3MHeld
M&T Bank Corp17.7K$1.29MHeld
COOKSON PEIRCE & CO INC16.5K$1.21MHeld
Universal- Beteiligungs- und Servicegesellschaft mbH16.3K$1.19MHeld
Tidal Investments LLC16.3K$1.19MHeld
Bridgewater15.5K$1.13MHeld
ARIZONA STATE RETIREMENT SYSTEM15.2K$1.11MHeld
Verition Fund Management LLC14.9K$1.09MHeld
FIL Ltd14.6K$1.07MHeld
Police & Firemen's Retirement System of New Jersey14.3K$1.04MHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM14.3K$1.04MHeld
Defiance ETFs, LLC13.1K$967.7KHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS13.1K$955.9KHeld
STRS OHIO13K$949.1KHeld
XTX Topco Ltd12.2K$889.4KHeld
Rafferty Asset Management, LLC12.2K$887.7KHeld
OREGON PUBLIC EMPLOYEES RETIREMENT FUND12.1K$880.4KHeld
LOS ANGELES CAPITAL MANAGEMENT LLC11K$841.5KHeld
KLP KAPITALFORVALTNING AS11.5K$839.6KHeld
Neo Ivy Capital Management11K$800.2KHeld
ALTFEST L J & CO INC10.9K$795.7KHeld
FEDERATED HERMES, INC.10.3K$755KHeld
US BANCORP \DE\10.3K$748.4KHeld
Callan Family Office, LLC10.2K$746.7KHeld
ProShare Advisors LLC10.1K$739.9KHeld
NEEDHAM INVESTMENT MANAGEMENT LLC10K$730.1KHeld
Yarbrough Capital, LLC9.99K$729.4KHeld
GLENMEDE TRUST CO NA9.56K$698KHeld
Mitsubishi UFJ Asset Management Co., Ltd.9.05K$687.8KHeld
GREENWOOD CAPITAL ASSOCIATES LLC8.9K$650KHeld
Freestone Grove Partners LP8.61K$628.3KHeld
GABELLI FUNDS LLC8.44K$616.1KHeld
GUGGENHEIM CAPITAL LLC8.3K$605.8KHeld
Pictet Asset Management Holding SA8.24K$601.7KHeld
Corient Private Wealth LLC7.81K$572.7KHeld
Maryland State Retirement & Pension System7.71K$563.2KHeld
QUADRANT CAPITAL GROUP LLC7.7K$562.3KHeld
CIM INVESTMENT MANAGEMENT INC7.62K$556.3KHeld
Vontobel Holding Ltd.7.5K$547.9KHeld
PRELUDE CAPITAL MANAGEMENT, LLC7.28K$531.2KHeld
Focus Partners Wealth7.13K$520.9KHeld
CAPSTONE INVESTMENT ADVISORS, LLC6.94K$506.6KHeld
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC5.77K$495.6KHeld
O'SHAUGHNESSY ASSET MANAGEMENT, LLC6.73K$491.4KHeld
PNC Financial Services Group, Inc.6.73K$491.1KHeld
BANK OF MONTREAL /CAN/6.71K$490KHeld
CANADA PENSION PLAN INVESTMENT BOARD6.6K$481.9KHeld
TWO SIGMA SECURITIES, LLC6.31K$460.9KHeld
Vanguard Personalized Indexing Management, LLC5.84K$426.6KHeld
FULLER & THALER ASSET MANAGEMENT, INC.5.37K$392.2KHeld
Ensign Peak Advisors, Inc5.15K$376.1KHeld
Graham Capital Management, L.P.5.12K$373.9KHeld
GRIMES & Co WEALTH MANAGEMENT, LLC4.99K$364.6KHeld
PICTON MAHONEY ASSET MANAGEMENT4.74K$346.1KHeld
EntryPoint Capital, LLC4.68K$341.5KHeld
Moors & Cabot, Inc.4.4K$321.2KHeld
Corecam Pte. Ltd.4.4K$320.9KNew
EVERGREEN CAPITAL MANAGEMENT LLC4.38K$319.9KHeld
Ameritas Investment Partners, Inc.4.35K$317.7KHeld
KEYBANK NATIONAL ASSOCIATION/OH4.35K$317.4KHeld
Alamea Verwaltungs GmbH3.21K$301.7KHeld
XPONANCE LLC4.09K$298.7KHeld
Steward Partners Investment Advisory, LLC4.06K$296.5KHeld
Intrua Financial, LLC4.02K$293.3KHeld
Aquatic Capital Management LLC3.95K$288.6KHeld
Pacer Advisors, Inc.3.81K$278.5KHeld
Crossmark Global Holdings, Inc.3.7K$269.8KHeld
NorthCrest Asset Manangement, LLC3.26K$264.8KHeld
CIBC WORLD MARKETS CORP3.44K$251.5KHeld
HSBC HOLDINGS PLC3.39K$248.1KHeld
PANAGORA ASSET MANAGEMENT INC3.36K$245.5KHeld
MACKENZIE FINANCIAL CORP3.26K$240.5KHeld
TEACHER RETIREMENT SYSTEM OF TEXAS3.21K$234.4KHeld
Forum Financial Management, LP3.11K$226.8KHeld
Marex Group plc3.04K$221.8KNew
NATIXIS3.01K$219.8KHeld
JOURNEY STRATEGIC WEALTH LLC2.98K$217.7KHeld
DANSKE BANK A/S2.95K$215.1K$5.74KAdded$198.9K
Atria Investments, Inc2.91K$212.4KHeld
JOHNSON INVESTMENT COUNSEL INC2.9K$212.1KHeld
Abacus Planning Group, Inc.2.9K$212KHeld
MGB Wealth Management, LLC2.9K$211.7KHeld
Global Retirement Partners, LLC2.77K$202.6KHeld
Hilltop National Bank2.61K$190.4KHeld
CIBC Private Wealth Group LLC2.45K$179.2KHeld
Walleye Capital LLC2.33K$169.8KHeld
Kestra Advisory Services, LLC2.25K$164.3KHeld
Smartleaf Asset Management LLC2.09K$154.6KHeld
Pinnacle Wealth Planning Services, Inc.2.02K$147.1KHeld
NISA INVESTMENT ADVISORS, LLC1.87K$136.5KHeld
Bayforest Capital Ltd1.79K$130.7KHeld
GAMMA Investing LLC1.78K$130KHeld
T. Rowe Price Investment Management, Inc.1.54M$112.6KHeld
Eurizon Capital SGR S.p.A.1.51K$110.7KHeld
State of Wyoming1.4K$101.9KHeld
FIFTH THIRD BANCORP1.2K$87.3KHeld
Tower Research Capital LLC (TRC)1.15K$84.1KHeld
MARK SHEPTOFF FINANCIAL PLANNING, LLC1.1K$80.3KHeld
Mirae Asset Global Investments Co., Ltd.1.05K$76.8KHeld
OSAIC HOLDINGS, INC.925$67.5KHeld
PRICE T ROWE ASSOCIATES INC /MD/867.7K$63.3KHeld
SIGNATUREFD, LLC804$58.7KHeld
EverSource Wealth Advisors, LLC796$58.1KHeld
VAN ECK ASSOCIATES CORP725.4K$53KHeld
GHP Investment Advisors, Inc.700$51.1KHeld
Allworth Financial LP693$50.6K−$3.02KCut−$2.66K
JONES FINANCIAL COMPANIES LLLP688$50.2KHeld
Rockefeller Capital Management L.P.653$47.7KHeld
Quaker Wealth Management, LLC644$47KHeld
LORD, ABBETT & CO. LLC615.8K$45KHeld
Arax Advisory Partners537$39.2KHeld

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.