ERII (Energy Recovery) 3-Month Share Buyback Ratio: 1.37% (As of Mar. 2026 )

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Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
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Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

ERII Energy Recovery Inc ERII
66 GF Score
Price $8.62
GF Value $14.33
Valuation Significantly Undervalued
! 5 Warning Signs
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What is Energy Recovery 3-Month Share Buyback Ratio?

Energy Recovery ERII +1.65% 66 3-Month Share Buyback Ratio is 1.37 as of Mar. 2026. GuruFocus rates ERII with a GF Score™ of 66/100 and a GF Value™ of $14.33 (Significantly Undervalued). The stock has 5 warning signs investors should review.

Shares Outstanding (EOP) are shares that have been authorized, issued, and purchased by investors and are held by them.

3-Month Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past three months, calculated as the percentage change in shares outstanding from the previous quarter to the current quarter. A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance. Energy Recovery's current 3-Month Share Buyback Ratio was 1.37%.


Energy Recovery  (NAS:ERII) 3-Month Share Buyback Ratio Explanation

A positive ratio may indicates share buybacks over the period, while a zero or negative ratio suggests no buybacks or potential share issuance.


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-Month Share Buyback Ratio Related Terms


ERII vs ARQ, FTEK, BCHT: 3-Month Share Buyback Ratio Comparison

For the Pollution & Treatment Controls subindustry, Energy Recovery's 3-Month Share Buyback Ratio, along with its competitors' market caps and 3-Month 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-Month Share Buyback Ratio vs Industrial Products Industry

For the Industrial Products industry and Industrials sector, Energy Recovery's 3-Month Share Buyback Ratio distribution charts can be found below:

* The bar in red indicates where Energy Recovery's 3-Month Share Buyback Ratio falls into.


ERII
66GF Score
Energy Recovery Inc ERII
3-Month Share Buyback Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Energy Recovery 3-Month Share Buyback Ratio Calculation

Energy Recovery's 3-Month Share Buyback Ratio for the quarter that ended in Mar. 2026 is calculated as

3-Month Share Buyback Ratio=(Shares Outstanding (EOP) (Dec. 2025 ) - Shares Outstanding (EOP) (Mar. 2026 )) / Shares Outstanding (EOP) (Dec. 2025 )
=(52.807 - 52.083) / 52.807
=1.37%

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

What does a 3-Month Share Buyback Ratio of 1.37 mean?
Energy Recovery (ERII) has a 3-Month Share Buyback Ratio of 1.37 as of Mar. 2026. The 3-Month Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past three months, calculated as the percentage change in shares outstanding from the previous quarter to the current quarter. View historical data for Energy Recovery and its competitors.
Is Energy Recovery's 3-Month Share Buyback Ratio too high?
Energy Recovery's current 3-Month Share Buyback Ratio is 1.37. 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-Month Share Buyback Ratio compare to ARQ and FTEK?
Energy Recovery's 3-Month Share Buyback Ratio of 1.37 can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Month Share Buyback Ratio for an Industrial Products company?
A good 3-Month Share Buyback Ratio depends on the Industrial Products industry context. However, 3-Month 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-Month Share Buyback Ratio mean?
A high 3-Month Share Buyback Ratio can signal that a stock is expensive relative to its fundamentals. The 3-Month Share Buyback Ratio measures the proportion of a company's outstanding shares repurchased over the past three months, calculated as the percentage change in shares outstanding from the previous quarter to the current quarter. View historical data for Energy Recovery and its competitors. Energy Recovery's current 3-Month Share Buyback Ratio is 1.37. 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 $14.33, compared to a current price of $8.62 — trading 39.9% below its estimated fair value. The current 3-Month Share Buyback Ratio is 1.37. 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-Month Share Buyback Ratio calculated?
3-Month Share Buyback Ratio is calculated from a company's financial statements. For Energy Recovery (ERII), the current 3-Month Share Buyback Ratio is 1.37 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 $8.62 is trading 39.9% below its estimated GF Value™ of $14.33. GuruFocus considers Energy Recovery to be Significantly Undervalued.

Key valuation signals for ERII:

  • 3-Month Share Buyback Ratio: 1.37
  • GF Value™: $14.33 vs. price of $8.62 (39.9% below fair value)
  • GF Score™: 66/100 with 5 warning signs

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 Business Description

Other Exchanges 5E2:Germany
Address 1717 Doolittle Drive, San Leandro, CA, USA, 94577
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

Get the complete analysis for ERII

3-Month Share Buyback Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$8.62
Price
$14.33
GF Value