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$MRCY:NASDAQ · MERCURY SYS INC

Mercury Systems designs and manufactures secure, mission-critical processing and electronics subsystems for aerospace and defense applications, including radar, electronic warfare, and sensor systems.

2 tracked filer(s) hold this · 1 opened, 0 added, 1 trimmed in 31-DEC-2025

Aggregate 13FScore 49 — mean of 2 scored holder(s) · buyers (new/add) avg 49. Higher = the smart money in this name has the better track record.

Filer	13FScore	This quarter	Shares	Value	% of their book
Bridgewater	49	New buy	15,469	$1,129,392	0.0%
Barry Rosenstein / JANA Partners	49	Trimmed -17%	4,959,481	$362,091,708	18.8%

Beyond 13F — activists, insiders, politicians & research

Activist 13D filings daily digest →

Filed	Form	Activist	% of class	Conviction
2026-03-04	SCHEDULE 13D/A	Barry Rosenstein / JANA Partners	6.9%	High	filing

Citrini Research coverage report library →

Report	Date	Stance
#100 — The New WFH (War From Home): Missile Defense, Counter-UAS, Electronic Warfare, and Surveillance	2025-06-23	LONG

Every tracked holder of this name, sorted new → added → flat → trimmed. Shares = reported 13F share count; Value as reported (a few managers file values in $thousands). Generated 2026-07-02.