Energy Recovery, Inc. (ERII) stock
Close on Nov 12, 2026Market cap $365.99MP/E 79.7Yield –
Energy Recovery, Inc. saw revenue fall 26.2% to $99.77M over the twelve months to Sep 30, 2026. Operating income fell 95.7% to $777.00K, moving the operating margin from 13.5% to 0.8%. Free cash flow was $32.36M, up 62.8% from a year earlier. At the latest close the market valued the company at $365.99M, 79.7 times its earnings.
Key statistics
Valuation at the latest close; fundamentals over the trailing twelve months, balances at Sep 30, 2026
Valuation
- Market cap
- $365.99M
- P/E ratio
- 79.7
- Price to sales
- 3.67
- Price to book
- 2.22
- Dividend yield
- –
- Free cash flow yield
- 8.84%
Fundamentals
- Revenue
- $99.77M
- Net income
- $5.14M
- EPS, diluted
- $0.09
- Free cash flow
- $32.36M
- Book value per share
- $3.23
- Diluted shares
- 51M
Trading
- Next earnings
- Feb 24, 2027 (estimated, during market hours)
- Previous close
- $7.33
- Open
- $7.30
- Day's range
- $7.13 – $7.35
- Volume
- 756,703
- Average volume (20 days)
- 945,802
- Index membership
- Russell 2000, Russell 3000
- Beta (5 years)
- 1.32
- 52-week range
- $6.25 – $16.30
- RSI (14 days)
- 53.9
- Volatility (1 year)
- 55.3%
- Relative volume
- 0.82×
- WACC
- 11.6%
Index membership is inferred from the holdings of funds that track each index (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 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | ERII | S&P 500 | Difference | ERII per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | +4.4% | -2.7% | +7.1 pts | ||
| 3 months | -7.8% | -1.7% | −6.1 pts | ||
| Year to date | -46.8% | +11.9% | −58.7 pts | ||
| 1 year | -49.7% | +12.0% | −61.7 pts | ||
| 3 years | -60.1% | +78.2% | −138.3 pts | -26.4% | +21.2% |
| 5 years | -68.3% | +73.2% | −141.6 pts | -20.5% | +11.6% |
| 10 years | -34.3% | +309.6% | −344.0 pts | -4.1% | +15.1% |
Fifteen years at a glance
Fiscal years 2011 to 2025 and trailing twelve months, USD
Revenue
Gross profit
Operating income
Net income
EPS, diluted
Free cash flow
Press releases
Releases Energy Recovery filed with the SEC as exhibits to Form 8-K or 6-K
- Results
- Results
- Results
- Results
- Results
- News
About Energy Recovery
Special Industry Machinery, NEC
Energy Recovery, Inc. develops and manufactures energy recovery devices and related fluid-flow solutions for industrial applications. The company’s core technology centers on its proprietary pressure exchanger, alongside hydraulic turbochargers, ultra-high-pressure units, and refrigeration devices such as the PX G1300. It organizes operations into business segments that include Water and Emerging Technologies. The company delivers products and services to customers operating across seawater reverse osmosis desalination facilities, industrial wastewater treatment systems, and CO2-based commercial refrigeration systems.
Company profile, executives and historyEnergy Recovery stock: common questions
What is Energy Recovery's stock price?
ERII closed at $7.17 on Nov 12, 2026, down 2.18% on the day. Over the past 52 weeks it traded between $6.25 and $16.30.
What is Energy Recovery's market cap?
Energy Recovery was worth $365.99M at the close on Nov 12, 2026: the share price times the diluted shares outstanding.
What is ERII's P/E ratio?
ERII trades at 79.7 times earnings, based on diluted earnings per share of $0.09 over the twelve months to Sep 30, 2026.
How much revenue does Energy Recovery make?
Energy Recovery reported revenue of $99.77M for the twelve months to Sep 30, 2026, down 26.2% from a year earlier.
Does Energy Recovery pay a dividend?
No. Energy Recovery has not paid a cash dividend over the last twelve months.
When does Energy Recovery report earnings next?
Energy Recovery is expected to report Q4 FY2026 results on Feb 24, 2027, during market hours. The date is estimated from its past reporting pattern until the company confirms it.
How has ERII stock performed over the past year?
Including dividends, ERII returned -49.7% over the past year, against +12.0% for the S&P 500.
How many ERII shares are sold short?
3M shares were sold short at the latest FINRA report, 5.93% of the float, or 3.7 days of average trading volume.
Who are Energy Recovery's competitors?
Companies most similar to Energy Recovery by business, industry and size include ASYS, VELO, TRT, CVV, SOTK.
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