Mercury Systems Inc (MRCY) stock
Close on Nov 11, 2026Market cap $5.31BP/E –Yield –
Mercury Systems Inc grew revenue 8.4% to $1.01B over the twelve months to Oct 2, 2026. Free cash flow was $48.07M, down 64.5% from a year earlier. At the latest close the market valued the company at $5.31B.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Oct 2, 2026
Valuation
- Market cap
- $5.31B
- P/E ratio
- –
- Price to sales
- 5.25
- Price to book
- 3.43
- Dividend yield
- –
- Free cash flow yield
- 0.91%
Fundamentals
- Revenue
- $1.01B
- Net income
- -$4.07M
- EPS, diluted
- -$0.08
- Free cash flow
- $48.07M
- Book value per share
- $25.10
- Diluted shares
- 62M
Trading
- Next earnings
- Feb 2, 2027 (estimated, after the close)
- Previous close
- $83.58
- Open
- $86.14
- Day's range
- $85.35 – $88.93
- Volume
- 1,602,976
- Average volume (20 days)
- 801,630
- Index membership
- S&P SmallCap 600 (since Aug 2023), Russell 2000 (since Sep 2024), Russell 3000
- Beta (5 years)
- 1.00
- 52-week range
- $64.37 – $128.45
- RSI (14 days)
- 60.9
- Volatility (1 year)
- 61.0%
- Relative volume
- 2.33×
- WACC
- 9.9%
Index membership is inferred from the holdings of funds that track each index (SPSM, IJR, IWM, IWV), as reported to the SEC for Jun 30, 2026. Join dates come from quarterly fund reports since 2019, so they are accurate to the quarter.
Market cap history
Month-end market cap since 2010, using shares outstanding reported at the time
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 11, 2026. The S&P 500 is measured by the SPY fund.
| Period | MRCY | S&P 500 | Difference | MRCY per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +11.1% | -2.4% | +13.5 pts | ||
| 3 months | -19.1% | -1.2% | −17.9 pts | ||
| Year to date | +21.0% | +12.3% | +8.7 pts | ||
| 1 year | +21.4% | +12.4% | +9.0 pts | ||
| 3 years | +173.0% | +78.8% | +94.2 pts | +39.8% | +21.4% |
| 5 years | +73.6% | +75.2% | −1.6 pts | +11.7% | +11.9% |
| 10 years | +181.2% | +311.1% | −129.9 pts | +10.9% | +15.2% |
Fifteen years at a glance
Fiscal years 2012 to 2026 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Mercury Systems filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- News
- News
- Update
- Results
About Mercury Systems
Electronic Components & Accessories
Mercury Systems manufactures aerospace and defense electronic components, modules, subassemblies, and integrated processing systems. Its offerings encompass signal processing, high-performance compute architectures, data management, secure processing, and display technologies, which power applications such as radar, electronic warfare, avionics, and command and control. The company aligns operations into two domestic product-oriented units—Signal Technologies and Processing Technologies—alongside an Integrated Processing Solutions unit and an EMEA division. It primarily supplies equipment to defense prime contractors, the United States government, and commercial aerospace original equipment manufacturers.
Company profile, executives and historyMercury Systems stock: common questions
What is Mercury Systems's stock price?
MRCY closed at $88.33 on Nov 11, 2026, up 5.68% on the day. Over the past 52 weeks it traded between $64.37 and $128.45.
What is Mercury Systems's market cap?
Mercury Systems was worth $5.31B at the close on Nov 11, 2026: the share price times the diluted shares outstanding.
What is MRCY's P/E ratio?
Mercury Systems lost money over the twelve months to Oct 2, 2026 (diluted EPS -$0.08), so it has no meaningful P/E ratio.
How much revenue does Mercury Systems make?
Mercury Systems reported revenue of $1.01B for the twelve months to Oct 2, 2026, up 8.4% from a year earlier.
Does Mercury Systems pay a dividend?
No. Mercury Systems has not paid a cash dividend over the last twelve months.
When does Mercury Systems report earnings next?
Mercury Systems is expected to report Q2 FY2027 results on Feb 2, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has MRCY stock performed over the past year?
Including dividends, MRCY returned +21.4% over the past year, against +12.4% for the S&P 500.
How many MRCY shares are sold short?
5M shares were sold short at the latest FINRA report, 9.86% of the float, or 8.4 days of average trading volume.
Who are Mercury Systems's competitors?
Companies most similar to Mercury Systems by business, industry and size include OSIS, MTSI, VICR, ICHR, FORM.
See a number that looks wrong?