MRCY +4.68% on Nov 11 · Analysis updated Nov 11, 2026, 10:37 AM ET

Why is Mercury Systems, Inc. (MRCY) stock up?

Mercury reported first-quarter (fiscal 2027) revenue of $253 million on Tuesday evening, up 12.4% and above the roughly $245 million expected, and adjusted earnings of $0.52 a share versus about $0.30 expected. Orders rose 48% to a record $370 million, 1.46 times what it shipped, lifting its backlog 45% to about $2.1 billion, of which over $1 billion is due within 12 months. It raised its full-year outlook to double-digit revenue growth (to nearly $1.1 billion) and adjusted EBITDA (a cash-profit measure) of about $210 million. On Wednesday J.P. Morgan upgraded the stock to Overweight with a $102 target. At about 10:30 AM ET it was $87.49, up 4.7%.

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About Mercury Systems Inc.

Industrials · Aerospace & Defense Electronics

Mercury Systems is a defense electronics company based in Andover, Massachusetts. It makes the processing hardware that goes inside military systems: rugged computers, signal-processing boards, radio-frequency and microwave parts, and secure chips. Rather than selling finished weapons, it mostly works as a subcontractor, supplying components and subsystems to the big defense contractors.

How it makes money

It sells electronic modules and subsystems used in radar, electronic warfare, missiles, avionics and space programs. Most of these sales go to large prime contractors working on US and allied defense programs. RTX, Lockheed Martin and Northrop Grumman each brought in at least 10% of revenue in fiscal 2026. That year (ended July 2026) revenue was about $984 million, up roughly 8%, but the company still had a net loss of about $30 million. Backlog (orders not yet delivered) reached a record of roughly $1.9 billion.

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