Quantum Corp (QMCO) stock
Close on Nov 13, 2026Market cap $604.55MP/E –Yield –
Quantum Corp grew revenue 25.7% to $323.01M over the twelve months to Sep 30, 2026. Free cash flow was $8.21M. At the latest close the market valued the company at $604.55M.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $604.55M
- P/E ratio
- –
- Price to sales
- 1.87
- Price to book
- –
- Dividend yield
- –
- Free cash flow yield
- 1.36%
Fundamentals
- Revenue
- $323.01M
- Net income
- -$237.53M
- EPS, diluted
- -$10.89
- Free cash flow
- $8.21M
- Book value per share
- -$1.83
- Diluted shares
- 39M
Trading
- Next earnings
- Feb 16, 2027 (estimated, after the close)
- Previous close
- $16.63
- Open
- $16.61
- Day's range
- $15.03 – $16.99
- Volume
- 900,349
- Average volume (20 days)
- 1,561,198
- Beta (5 years)
- 2.31
- 52-week range
- $4.19 – $35.65
- RSI (14 days)
- 37.9
- Volatility (1 year)
- 120.3%
- Relative volume
- 0.53×
- WACC
- 16.6%
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 13, 2026. The S&P 500 is measured by the SPY fund.
| Period | QMCO | S&P 500 | Difference | QMCO per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -42.2% | -3.0% | −39.1 pts | ||
| 3 months | -37.8% | -2.8% | −35.1 pts | ||
| Year to date | +137.8% | +11.5% | +126.3 pts | ||
| 1 year | +118.2% | +13.5% | +104.7 pts | ||
| 3 years | +70.4% | +77.7% | −7.3 pts | +19.5% | +21.1% |
| 5 years | -88.3% | +72.6% | −160.9 pts | -34.9% | +11.5% |
| 10 years | -88.2% | +308.2% | −396.3 pts | -19.2% | +15.1% |
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 Quantum filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- News
- News
- Results
- Results
- Results
About Quantum
Computer Storage Devices
Quantum Corporation provides data management and storage solutions for unstructured data such as video, images, audio, and scientific datasets. The company operates in a single business segment and offers primary storage software and systems, secondary storage, asset management software, and storage media. Its offerings include StorNext file storage, Unified Surveillance Platform, ActiveScale object storage, DXi backup appliances, Scalar tape systems, and CatDV asset management. It also provides support, consulting, and managed services. Quantum serves clients across media, entertainment, healthcare, life sciences, government, technology, and financial sectors, as well as cloud hyperscalers.
Company profile, executives and historyQuantum stock: common questions
What is Quantum's stock price?
QMCO closed at $15.34 on Nov 13, 2026, down 7.76% on the day. Over the past 52 weeks it traded between $4.19 and $35.65.
What is Quantum's market cap?
Quantum was worth $604.55M at the close on Nov 13, 2026: the share price times the diluted shares outstanding.
What is QMCO's P/E ratio?
Quantum lost money over the twelve months to Sep 30, 2026 (diluted EPS -$10.89), so it has no meaningful P/E ratio.
How much revenue does Quantum make?
Quantum reported revenue of $323.01M for the twelve months to Sep 30, 2026, up 25.7% from a year earlier.
Does Quantum pay a dividend?
No. Quantum has not paid a cash dividend over the last twelve months.
When does Quantum report earnings next?
Quantum is expected to report Q3 FY2027 results on Feb 16, 2027, after the close. The date is estimated from its past reporting pattern until the company confirms it.
How has QMCO stock performed over the past year?
Including dividends, QMCO returned +118.2% over the past year, against +13.5% for the S&P 500.
How many QMCO shares are sold short?
5M shares were sold short at the latest FINRA report, 20.82% of the float, or 3.0 days of average trading volume.
Who are Quantum's competitors?
Companies most similar to Quantum by business, industry and size include ATEN, NTAP, DGII, PAR, EVLV.
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