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NASDAQ · MRCYTechnologySemiconductors

Mercury Systems Inc. (MRCY)

$71.76−10.66%
Close Nov 4, 2026 · split-adjusted
Nov 3, 2026$80.32▲ 3.27% in range
Nov 3, 2025Low $66.12 · High $126.21Nov 3, 2026
What changed · written from our data
As of Nov 4, 2026

Mercury Systems closed at $71.76 on Nov 4, down 10.66%, 43.1% below its 52-week closing high. Volume of 1.1M shares was 1.94× its 20-day average (above normal).

Split-adjusted performance: -13.3% over one month, -21.7% over six months, -7.7% over one year.

In the quarter ended Jul 3, 2026, revenue was $289.78M, up 6.1% from a year earlier, with a net margin of 0.3%.

Short interest was 5.6M shares at the Oct 15 settlement, up 10.8% from the prior report (9.9% of float, 12.5 days to cover).

Market cap$4.37B60.9M shares
Revenue · quarter$289.8M+6.1% YoY
Diluted EPS$0.01−96.4% YoY
P/E · TTM—P/S 4.4×
Net margin0.3%Gross 30.6%
Dividend yieldNone
52-week range66.12 – 126.21−43.1% from high
Volume1.1M1.94× 20-day avg
Volatility · 60d48.2%Annualised
Short % of float9.9%12.5 days to cover
Net cash-$227.2MCash $214.3M
Next earnings—Not scheduled
Split-adjusted performance
1W −8.7%1M −13.3%3M −34.1%6M −21.7%YTD −1.7%1Y −7.7%3Y +102.0%5Y +40.3%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within Semiconductors

Percentile among 83 companies (100 = best)

6-month momentum67
Revenue growth28
Net margin34
Value (low P/E)—
Size57

Industry medians: 6-month return −31.2%, revenue growth +24.6%, net margin 8.1%, P/E 46.8×.

Short interest

Details →
Shares short5.6M+10.8% vs prior
Days to cover12.5Settled Oct 15
% of float9.9%
Short vol. 10d53.7%of daily volume

Closest peers by size in Semiconductors

CompanyPriceToday6MRev. growthNet marginP/EMkt cap
MRCYMercury Systems$71.76−10.66%−21.7%+6.1%0.3%—$4.37B
ENPHEnphase Energy$31.55+3.71%−11.9%−28.5%8.0%46.0$4.17BCompare
SYNASynaptics$117.49+0.07%+9.5%+8.9%−145.3%—$4.66BCompare
OLEDUniversal Display$89.57+0.19%−4.7%+14.9%49.2%17.5$4.03BCompare
VSHVishay Intertechnology$25.84−5.07%−23.0%+16.6%3.2%139.6$3.96BCompare
AAOIApplied Optoelectronics$59.27−7.35%−66.8%+86.4%−11.9%—$5.03BCompare
MXLMaxLinear$56.85−11.13%−30.0%+72.4%13.3%—$5.16BCompare
DIODDiodes$79.46−5.67%−31.5%+21.7%10.5%42.5$3.66BCompare
KLICKulicke & Soffa Industries$68.44−5.52%−27.0%+122.6%17.4%30.9$3.58BCompare

News about Mercury Systems

All news →
Mercury Systems (MRCY) Earnings Expected to Grow: What to Know Ahead of Next Week's ReleaseZacks Investment Research · 1d ago▲ PositiveMercury Receives Largest Production Order for its Common Processing Architecture ServersGlobeNewswire Inc. · May 28, 2026▲ PositiveJacob Wheeler Wins Major League Fishing’s Bass Pro Shops REDCREST 2026 Presented by Mercury and Lowrance at Table Rock LakeGlobeNewswire Inc. · Apr 20, 2026▲ PositiveL3Harris Selects Mercury To Provide Solid-State Data Recorders for SDA’s Tranche 3 Tracking Layer SatellitesGlobeNewswire Inc. · Apr 2, 2026▲ PositiveHamilton AI Selects Column as Its Banking Infrastructure PartnerGlobeNewswire Inc. · Apr 1, 2026Neutral

Quick answers

What does Mercury Systems do?
Mercury Systems Inc is a commercial technology company serving the aerospace and defense industry. The company envisions, creates, and delivers secure open architecture solutions powering a broad range of mission-critical applications in challenging and demanding environments.
What is MRCY's market cap?
$4.37B, based on the Nov 4 close of $71.76.
Does Mercury Systems pay a dividend?
No regular cash dividend has been paid in the last year.
How much of MRCY is sold short?
5.6M shares, 9.9% of float, as of Oct 15, 2026.
What sector is MRCY in?
Technology, in the Semiconductors industry.

About Mercury Systems

Mercury Systems Inc is a commercial technology company serving the aerospace and defense industry. The company envisions, creates, and delivers secure open architecture solutions powering a broad range of mission-critical applications in challenging and demanding environments. Its Mercury Processing Platform spans the full breadth of signal processing from radio frequency front end to the human-machine interface to convert meaningful data, gathered in remote and hostile environments, into critical decisions. The company manufactures components, products, modules, and subsystems and sells to defense prime contractors, the U.S. government, original equipment manufacturers, and commercial aerospace companies. Geographically, it derives maximum revenue from the United States.

HQ: Andover, MA2,102 employeesListed Jan 30, 1998mrcy.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology