MERCURY SYSTEMS INC filings

SEC filings by MERCURY SYSTEMS INC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13D/A2022-06-27JANA PARTNERS LLCMERCURY SYSTEMS INC3,235,880-EDGAR
SC 13D/A2022-06-24Starboard Value LPMERCURY SYSTEMS INC4,156,8317.2%EDGAR
SC 13G/A2022-02-10WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCMERCURY SYSTEMS INC3,317,8225.9%EDGAR
SC 13G/A2022-02-10VANGUARD GROUP INCMERCURY SYSTEMS INC5,166,9099.1%EDGAR
SC 13G2022-02-04WELLINGTON MANAGEMENT GROUP LLPMERCURY SYSTEMS INC2,856,0145.0%EDGAR
SC 13G/A2022-02-01BlackRock Inc.MERCURY SYSTEMS INC5,462,4139.6%EDGAR
SC 13G2022-01-31BANK OF AMERICA CORP /DE/MERCURY SYSTEMS INC2,940,0005.2%EDGAR
SC 13D/A2022-01-13Starboard Value LPMERCURY SYSTEMS INC4,156,8317.3%EDGAR
SC 13G2022-01-10Conestoga Capital Advisors, LLCMERCURY SYSTEMS INC3,662,7216.5%EDGAR
SC 13D2021-12-23JANA PARTNERS LLCMERCURY SYSTEMS INC3,731,962-EDGAR
SC 13G2021-02-11WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCMERCURY SYSTEMS INC3,249,5645.8%EDGAR
SC 13G/A2021-02-10VANGUARD GROUP INCMERCURY SYSTEMS INC4,953,8468.8%EDGAR
SC 13G/A2021-01-26BlackRock Inc.MERCURY SYSTEMS INC7,914,77614.1%EDGAR
SC 13G/A2020-02-12VANGUARD GROUP INCMERCURY SYSTEMS INC5,249,3799.4%EDGAR
SC 13G/A2020-02-04BlackRock Inc.MERCURY SYSTEMS INC8,328,19515.0%EDGAR
SC 13G/A2019-08-09VANGUARD GROUP INCMERCURY SYSTEMS INC5,589,12410.1%EDGAR
SC 13G/A2019-02-11VANGUARD GROUP INCMERCURY SYSTEMS INC4,712,6829.7%EDGAR
SC 13G/A2019-01-31BlackRock Inc.MERCURY SYSTEMS INC8,397,17417.3%EDGAR
SC 13G/A2018-02-09VANGUARD GROUP INCMERCURY SYSTEMS INC4,334,5819.0%EDGAR
SC 13G/A2018-02-05DIMENSIONAL FUND ADVISORS LPMERCURY SYSTEMS INC2,006,3984.9%EDGAR