Mercury Computer Systems Inc

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Mercury Computer Systems Inc
TickerMRCY
CIK #0001049521
CUSIP589378108
SectorManufacturing - Electronic Components & Accessories
Address201 Riverneck Road, Chelmsford, MA 01824
Source [EDGAR]
CIK Filing 2011 - 2025
[0001049521] 10-K
[0001049521] 10-Q
[0001049521] 3
[0001049521] 4
[0001049521] 5
[0001049521] 8-K
[0001049521] SC 13D
[0001049521] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
State Street Corp Mercury Systems Inc [2025-05-13] 0.0
State Street Corp Mercury Systems Inc [2025-02-05] 0.0
State Street Corp Mercury Systems Inc [2024-01-24] 5.97
Jana Partners LLC Mercury Systems Inc [2023-07-06] 8.0
Wellington Management Group LLP Mercury Systems Inc [2022-02-04] 5.04
Bank of America Corp /DE/ Mercury Systems Inc [2022-01-31] 5.2
Conestoga Capital Advisors LLC Mercury Systems Inc [2022-01-10] 6.47
Jana Partners LLC Mercury Systems Inc [2021-12-23] 6.6
William Blair Investment Management LLC Mercury Systems Inc [2021-02-11] 5.8
Barrow Hanley Mewhinney & Strauss LLC Mercury Systems Inc [2017-02-07] 12.0
Dimensional Fund Advisors LP Mercury Systems Inc [2016-02-09] 5.38
Barrow Hanley Mewhinney & Strauss LLC Mercury Systems Inc [2016-02-02] 7.05
Trigran Investments Inc Mercury Systems Inc [2015-02-13] 6.4
Barrow Hanley Mewhinney & Strauss LLC Mercury Systems Inc [2015-02-10] 7.47
Barrow Hanley Mewhinney & Strauss LLC Mercury Systems Inc [2014-02-12] 8.42
Invesco Ltd Mercury Systems Inc [2014-02-10] 5.8
Soros Fund Management LLC Mercury Systems Inc [2013-11-01] 5.02
Barrow Hanley Mewhinney & Strauss LLC Mercury Systems Inc [2013-02-11] 8.0
Mercury Computer Systems Inc Micronetics Inc [2012-06-28] 20.0
BAMCO Inc /NY/ Mercury Computer Systems Inc [2012-02-14] 5.72
Barrow Hanley Mewhinney & Strauss LLC Mercury Computer Systems Inc [2012-02-10] 5.58
Form 3/4/5 Filer 2011 - 2025
Munro Douglas
Mercury Systems Inc
Ballhaus William L
Farnsworth David E.
Kupinsky Stuart
Ratner Steven
JANA Partners Management, LP
Nearhos Barry R
Wells Charles Roger IV
BUA Jean A
Plunkett Debora A
Carvalho Orlando D
Krone Roger A
Lance Howard L
Demuro Gerard J
Disbrow Lisa S
Georges Stephanie
McCarthy Michelle M
Couture Allen
Stevison James Mitch
Cambria Christopher C
Jana Partners LLC
Harbison Christine Fox
Ostfeld Scott
Aslett Mark
Huber Thomas
Ruppert Michael
Obrien William K
Krakauer Mary L
Perry Brian E
Daniels Michael A
Bass James
Thibaud Didier M C
Vitto Vincent
Muellner George K
Haines Gerald M II
Newman Mark S
Speicher Charles A
Bisson Kevin M
Chamillard George W
Steele Lee C
Form 13F Holdings
Firm Period DFND Voting Shares
BlackRock, Inc. [2025-06-30] SOLE 8,083,348 8,247,782
Jana Partners Management LP [2025-06-30] SOLE 6,753,413 6,753,413
Vanguard Group Inc [2025-06-30] SOLE 0 5,413,698
William Blair Investment Management LLC [2025-06-30] SOLE 4,375,808 4,695,683
State Street Corp [2025-06-30] DFND 3,046,203 3,246,573
Conestoga Capital Advisors LLC [2025-06-30] SOLE 2,491,400 2,558,935
Victory Capital Management Inc [2025-06-30] SOLE 1,725,706 1,761,301
Dimensional Fund Advisors LP [2025-06-30] SOLE 1,616,786 1,683,769
Geode Capital Management LLC [2025-06-30] DFND 1,265,010 1,265,010
BAMCO Inc /NY/ [2025-06-30] DFND 0 1,234,801
FMR LLC [2025-06-30] DFND 1,166,182 1,169,092
Neuberger Berman Group LLC [2025-06-30] DFND 835,455 1,025,554
Goldman Sachs Group Inc [2025-06-30] DFND 972,587 1,007,145
Segall Bryant & Hamill LLC [2025-06-30] SOLE 764,020 999,185
Loomis Sayles & Co L P [2025-06-30] DFND 964,593 992,610
Snyder Capital Management L P [2025-06-30] DFND 0 957,902
Morgan Stanley [2025-06-30] DFND 774,529 928,171
First Trust Advisors LP [2025-06-30] SOLE 781,009 781,009
Royal Bank of Canada [2025-06-30] DFND 79,734 757,262
Fisher Asset Management LLC [2025-06-30] DFND 335,355 721,333
Charles Schwab Investment Management Inc [2025-06-30] SOLE 640,911 640,950
Invesco Ltd. [2025-06-30] DFND 0 583,707
Lord Abbett & Co LLC [2025-06-30] SOLE 457,107 537,146
Kennedy Capital Management LLC [2025-06-30] SOLE 506,471 530,933
Northern Trust Corp [2025-06-30] DFND 515,478 520,177
Millennium Management LLC [2025-06-30] SOLE 508,418 508,418
Staley Capital Advisers Inc [2025-06-30] SOLE 400,130 470,130
Emerald Advisers LLC [2025-06-30] SOLE 324,290 456,713
Scopia Capital Management LP [2025-06-30] SOLE 446,623 446,623
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. [2025-06-30] DFND 423,483 423,483
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