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Energy RecoveryERII +2.79%66 3-Year Share Buyback Ratio is 2.00 as of Mar. 2026. GuruFocus rates ERII with a GF Score™ of 66/100 and a GF Value™ of $14.16 (Significantly Undervalued). The stock has 5 warning signs investors should review. Among 1,861 Industrial Products companies, Energy Recovery ranks better than 94.36% on this metric.
Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.
3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. A positive ratio may indicate share buybacks over the period, while a zero or negative ratio may reflect no repurchases or potential share issuance. Energy Recovery's current 3-Year Share Buyback Ratio was 2.00%.
The historical rank and industry rank for Energy Recovery's 3-Year Share Buyback Ratio or its related term are showing as below:
ERII'
s 3-Year Share Buyback Ratio Range Over the Past 10 Years
Min: -1.8 Med: -0.65 Max: 2
Current: 2
During the past 13 years, Energy Recovery's highest 3-Year Share Buyback Ratio was 2.00%. The lowest was -1.80%. And the median was -0.65%.
ERII's 3-Year Share Buyback Ratio is ranked better than 94.36% of 1861
companies
in the Industrial Products industry
Industry Median: -1.1
vs ERII: 2.00
Energy Recovery (NAS:ERII) 3-Year Share Buyback Ratio Explanation
A negative number means the company might be issuing new shares. A positive number indicates that the company is buying back shares.
Be Aware
Investors usually like share buybacks. But as pointed by Warren Buffett, only if a company buys back shares at the prices below the stock's intrinsic value, it rewards remaining shareholders. If a company buys its overvalued stocks back, it destroys shareholder value.
Energy Recovery 3-Year Share Buyback Ratio Related Terms
ERII vs ZONE, ARQ, FTEK: 3-Year Share Buyback Ratio Comparison
For the Pollution & Treatment Controls subindustry, Energy Recovery's 3-Year Share Buyback Ratio, along with its competitors' market caps and 3-Year Share Buyback Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Energy Recovery 3-Year Share Buyback Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Energy Recovery's 3-Year Share Buyback Ratio distribution charts can be found below:
* The bar in red indicates where Energy Recovery's 3-Year Share Buyback Ratio falls into.
Energy Recovery 3-Year Share Buyback Ratio Calculation
This is the annualized percentage change in shares outstanding from three years ago to the current year. The annualized percentage change is calculated with expontential compound based on the latest four years of annual data on Shares Outstanding (EOP).
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the average dividends per share growth rate.
What does a 3-Year Share Buyback Ratio of 2.00 mean?
Energy Recovery (ERII) has a 3-Year Share Buyback Ratio of 2.00 as of Mar. 2026. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Energy Recovery and its competitors. According to the industry distribution chart, Energy Recovery ranks #105 out of 1861 companies in the Industrial Products industry, placing it in the top 5.6%.
Is Energy Recovery's 3-Year Share Buyback Ratio too high?
Energy Recovery's current 3-Year Share Buyback Ratio is 2.00. Based on the distribution chart, Energy Recovery ranks #105 out of 1861 companies in the Industrial Products industry, which is in the top quartile — a strong position relative to peers. Overall, Energy Recovery has a GF Score™ of 66/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does Energy Recovery's 3-Year Share Buyback Ratio compare to ZONE and ARQ?
According to the Industrial Products industry distribution chart, Energy Recovery ranks #105 out of 1861 companies for 3-Year Share Buyback Ratio. This places Energy Recovery in the top 6% of its industry — outperforming the majority of peers. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Share Buyback Ratio for an Industrial Products company?
A good 3-Year Share Buyback Ratio depends on the Industrial Products industry context. However, 3-Year Share Buyback Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Share Buyback Ratio mean?
A high 3-Year Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Year Share Buyback Ratio measures the average annual proportion of a company's outstanding shares repurchased over the past three years. It is calculated as the annualized percentage change in shares outstanding from three years ago to the current year. View historical data for Energy Recovery and its competitors. Energy Recovery's current 3-Year Share Buyback Ratio is 2.00. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Energy Recovery stock overvalued right now?
Based on GuruFocus' analysis, Energy Recovery (ERII) is currently considered Significantly Undervalued. The stock's GF Value™ is $14.16, compared to a current price of $8.65 — trading 38.9% below its estimated fair value. The current 3-Year Share Buyback Ratio is 2.00. Energy Recovery's overall GF Score™ is 66/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Share Buyback Ratio calculated?
3-Year Share Buyback Ratio is calculated from a company's financial statements. For Energy Recovery (ERII), the current 3-Year Share Buyback Ratio is 2.00 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Energy Recovery (ERII) Overvalued in 2026?
Based on GuruFocus' analysis, Energy Recovery stock appears to be undervalued.
The current stock price of $8.65 is trading 38.9% below its estimated GF Value™ of $14.16.
GuruFocus considers Energy Recovery to be Significantly Undervalued.
Key valuation signals for ERII:
3-Year Share Buyback Ratio: 2.00
GF Value™: $14.16 vs. price of $8.65 (38.9% below fair value)
No single metric tells the full story. See the ERII stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Energy Recovery Inc designs and manufactures energy-saving technologies. The firm uses its proprietary pressure exchanger technology to help customers in multiple industries improve their operations and lower their emissions. Using its proprietary technology, it offers energy recovery devices, including pressure exchangers, pumps, and turbochargers, mainly used for seawater desalination and wastewater treatment. Additionally, the company is involved in the development of emerging technologies, such as the PX G1300 used in industrial and commercial refrigeration applications. The firm's reportable operating segments are: Water, which generates maximum revenue, and Emerging Technologies. Geographically, it generates maximum revenue from the Middle East, and the rest from other markets.
66GF Score
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3-Year Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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