MERCURY SYSTEMS INC (MRCY) Stock

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2 of the hedge funds AlphaScala tracks reported MRCY in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is D.E. Shaw's at $7.56M. Company insiders reported 0 open-market buys and 31 sales on SEC Form 4 in the 90 days to Oct 21, 2026.

Which hedge funds own MRCY?

From 13F filings
FundShares HeldPosition ValueChange vs prior Q
D.E. Shaw
David Shaw
62K$7.56M+13%
Millennium Management
Israel Englander
3K$354.9K-82%

13F holdings as of Jun 30, 2026

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Are MERCURY SYSTEMS INC insiders buying or selling?

SEC Form 4 filings
90 days to Oct 21, 2026
Buys
0
Sells
31
Net $
-$41.9M
Unique insiders
5
DateInsiderRoleTypeSharesValue
Sep 21, 26Kupinsky StuartEVP, CLO & Corp SecSELL1.0K$87K
Sep 3, 26Ratner StevenEVP, CHROSELL4.0K$338K
Aug 26, 26Ballhaus William LChairman, President & CEOSELL38.3K$3.4M
Aug 26, 26Ballhaus William LChairman, President & CEOSELL10.8K$970K
Aug 25, 26Ballhaus William LChairman, President & CEOSELL107.6K$9.4M
Aug 25, 26Ballhaus William LChairman, President & CEOSELL3.4K$303K
Aug 24, 26Ballhaus William LChairman, President & CEOSELL105.5K$9.4M
Aug 24, 26Ballhaus William LChairman, President & CEOSELL2.7K$248K
Aug 21, 26Ballhaus William LChairman, President & CEOSELL64.8K$6.0M
Aug 21, 26Ballhaus William LChairman, President & CEOSELL204$19K

SEC Form 4 filings as of Oct 21, 2026

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What does MERCURY SYSTEMS INC do?

Mercury Systems Inc. is a technology company specializing in secure, open-architecture hardware and software solutions for the aerospace and defense industry. It designs, develops, and manufactures embedded processing modules, subsystems, avionics mission computers, displays, rugged secure servers, and trusted microelectronics components. The company's Mercury Processing Platform enables comprehensive signal processing from radio frequency front ends to human-machine interfaces, transforming data from remote and hostile environments into actionable decisions for mission-critical applications. Mercury Systems Inc. produces components, products, modules, and subsystems sold to defense prime contractors, the U.S. government, original equipment manufacturers, and commercial aerospace firms, with a primary focus on the United States market. Its innovative portfolio emphasizes trusted manufacturing, safety certification, secure sensor processing, and adaptations of commercial technology for affordability and timeliness in demanding sectors like space missions, electronic warfare, and cybersecurity. Founded in 1981 and headquartered in Andover, Massachusetts, Mercury Systems Inc. supports global customers across defense, government, and commercial aerospace with purpose-built, scalable technologies.

CEO
Dr. William L. Ballhaus
Employees
2,162
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