MERCURY SYSTEMS INC (MRCY) Stock
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| Fund | Shares Held | Position Value | Change 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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SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 21, 26 | Kupinsky Stuart | EVP, CLO & Corp Sec | SELL | 1.0K | $87K |
| Sep 3, 26 | Ratner Steven | EVP, CHRO | SELL | 4.0K | $338K |
| Aug 26, 26 | Ballhaus William L | Chairman, President & CEO | SELL | 38.3K | $3.4M |
| Aug 26, 26 | Ballhaus William L | Chairman, President & CEO | SELL | 10.8K | $970K |
| Aug 25, 26 | Ballhaus William L | Chairman, President & CEO | SELL | 107.6K | $9.4M |
| Aug 25, 26 | Ballhaus William L | Chairman, President & CEO | SELL | 3.4K | $303K |
| Aug 24, 26 | Ballhaus William L | Chairman, President & CEO | SELL | 105.5K | $9.4M |
| Aug 24, 26 | Ballhaus William L | Chairman, President & CEO | SELL | 2.7K | $248K |
| Aug 21, 26 | Ballhaus William L | Chairman, President & CEO | SELL | 64.8K | $6.0M |
| Aug 21, 26 | Ballhaus William L | Chairman, President & CEO | SELL | 204 | $19K |
SEC Form 4 filings as of Oct 21, 2026
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Powered by TradingViewWhat 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.