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Energy Recovery, Inc.

ERII Real Time Price USD
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Overview
Financials
Forecast
Insiders
Institutions
Government
Ownership
News

Chart provided by TradingView

Income
Balance Sheet
Cash Flow
Revenue Breakdown
Congress Trading

Recent trades of ERII by members of U.S. Congress

Politician Type Traded
Suzan K. DelBene House / D Sale $1,001 - $15,000 Mar 09, 2015
Suzan K. DelBene House / D Sale $1,001 - $15,000 Mar 06, 2015
Suzan K. DelBene House / D Purchase $1,001 - $15,000 Dec 05, 2014
Suzan K. DelBene House / D Purchase $1,001 - $15,000 Dec 04, 2014
Suzan K. DelBene House / D Sale $1,001 - $15,000 Jun 30, 2014
Suzan K. DelBene House / D Sale $1,001 - $15,000 Jun 24, 2014
Suzan K. DelBene House / D Purchase $15,001 - $50,000 May 12, 2014
ERII Stock Insider Trading Activity Follow @QuiverQuant for major insider updates
Closing Price
Purchase
Sale
Name
Type
Shares
Price
Shares Held
Date
Reported
ERII Stock Institutional Owners
Investor
Shares
Change in Shares
Market Value
Date
Reported
ERII Derivatives Institutional Owners
Investor
Type
Shares
Change in Shares
Market Value
Date
Reported
Whale Activity

Recently reported changes in ERII holdings by institutional investors

Insider Trading

Quarterly net insider trading by ERII's directors and management

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

About

Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
View Strategy Copytrade Strategy
  • 1M
  • 3M
  • 6M
  • YTD
  • 1Y
  • 2Y
  • 5Y
  • MAX

About

Backtest Start Date

Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

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Metrics Definitions

Disclaimer: The performance results shown are based on historical backtesting and are hypothetical in nature. Backtested performance does not represent actual trading and does not account for all market factors that may affect execution, such as liquidity, slippage, and changing market conditions. Past performance is not necessarily indicative of future results. There is no guarantee that any trading strategy will be profitable or avoid losses.

  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

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  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

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  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

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  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

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  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

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  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

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  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

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  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

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  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

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  • Win Rate

    The percentage of total trades that resulted in a positive return.

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See Pricing
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Corporate Lobbying

Government lobbying spending instances

  • $20,000 Apr 19, 2018 Issue: None
  • $10,000 Jan 22, 2018 Issue: None
  • $20,000 Jul 20, 2016 Issue: None
  • $30,000 Apr 19, 2016 Issue: Energy/Nuclear Taxation/Internal Revenue Code Waste (hazardous/solid/interstate/nuclear)
  • $10,000 Jan 20, 2016 Issue: None
  • $30,000 Oct 20, 2015 Issue: Waste (hazardous/solid/interstate/nuclear)
  • $30,000 Jul 20, 2015 Issue: Waste (hazardous/solid/interstate/nuclear)
  • $10,000 Apr 20, 2015 Issue: None
  • $10,000 Jan 16, 2015 Issue: None
  • $10,000 Oct 16, 2014 Issue: None
  • $10,000 Jul 21, 2014 Issue: None
  • $10,000 Apr 21, 2014 Issue: None
  • $20,000 Jan 17, 2014 Issue: None
  • $10,000 Oct 21, 2013 Issue: None
  • $10,000 Jul 22, 2013 Issue: None
  • $20,000 Apr 22, 2013 Issue: Environment/Superfund Energy/Nuclear
  • $20,000 Jan 18, 2013 Issue: Environment/Superfund Energy/Nuclear
  • $40,000 Oct 22, 2012 Issue: Environment/Superfund Energy/Nuclear
  • $20,000 Jul 20, 2012 Issue: None
  • $10,000 Apr 19, 2012 Issue: Energy/Nuclear Environment/Superfund
  • $10,000 Jan 19, 2012 Issue: None
  • $20,000 Oct 20, 2011 Issue: Environment/Superfund
  • $22,500 Jan 17, 2010 Issue: Clean Air and Water (quality) Taxation/Internal Revenue Code
  • $20,000 Oct 20, 2009 Issue: Environment/Superfund Energy/Nuclear
  • $20,000 Oct 20, 2009 Issue: Environment/Superfund Energy/Nuclear
  • $22,500 Oct 18, 2009 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $22,500 Jul 18, 2009 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $22,500 Apr 19, 2009 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $20,000 Apr 17, 2009 Issue: Environment/Superfund Energy/Nuclear
  • $22,500 Jan 30, 2009 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $22,500 Oct 18, 2008 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $22,500 Jul 17, 2008 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $22,500 Apr 20, 2008 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $8,065 Apr 17, 2008 Issue: Energy/Nuclear
  • $45,000 Feb 13, 2008 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $62,500 Feb 04, 2008 Issue: Energy/Nuclear
  • $45,000 Aug 06, 2007 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $30,000 Feb 12, 2007 Issue: Clean Air and Water (quality) Taxation/Internal Revenue Code
  • $40,000 Aug 10, 2006 Issue: Clean Air and Water (quality) Taxation/Internal Revenue Code
  • $39,972 Feb 20, 2006 Issue: Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $60,000 Aug 19, 2005 Issue: Clean Air and Water (quality)
  • $65,000 Feb 15, 2005 Issue: Clean Air and Water (quality) Fuel/Gas/Oil Taxation/Internal Revenue Code Energy/Nuclear
  • $65,000 Sep 24, 2004 Issue: Taxation/Internal Revenue Code Environment/Superfund Energy/Nuclear Clean Air and Water (quality)
  • $65,000 Mar 03, 2004 Issue: Fuel/Gas/Oil Energy/Nuclear Environment/Superfund Taxation/Internal Revenue Code Clean Air and Water (quality)
  • $120,000 Oct 16, 2003 Issue: Taxation/Internal Revenue Code Environment/Superfund Energy/Nuclear Fuel/Gas/Oil Clean Air and Water (quality)
  • $120,000 Mar 05, 2003 Issue: Waste (hazardous/solid/interstate/nuclear) Taxation/Internal Revenue Code Environment/Superfund Energy/Nuclear Fuel/Gas/Oil Clean Air and Water (quality)
  • $130,000 Aug 21, 2002 Issue: Clean Air and Water (quality) Waste (hazardous/solid/interstate/nuclear) Taxation/Internal Revenue Code Environment/Superfund Insurance Energy/Nuclear Fuel/Gas/Oil
  • $120,000 Feb 14, 2002 Issue: Environment/Superfund Taxation/Internal Revenue Code Energy/Nuclear Fuel/Gas/Oil Clean Air and Water (quality) Waste (hazardous/solid/interstate/nuclear)
  • $120,000 Aug 13, 2001 Issue: Waste (hazardous/solid/interstate/nuclear) Taxation/Internal Revenue Code Environment/Superfund Energy/Nuclear Fuel/Gas/Oil Clean Air and Water (quality)
Corporate Lobbying

ERII Estimated quarterly lobbying spending

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No Corporate Lobbying data for this ticker

Corporate Lobbying Dashboard
Revenue Breakdown

ERII Revenue by Segment or Geography

By Segment
By Geography
ERII Income Statement
ERII Balance Sheet
ERII Cash Flow
U.S. Patents

New ERII patent grants

  • Patent Title: Reducing cavitation, noise, and vibration in a pressure exchanger Sep. 09, 2025
  • Patent Title: Pressure exchangers with fouling and particle handling capabilities Sep. 02, 2025
  • Patent Title: Control of refrigeration and heat pump systems that include pressure exchangers Aug. 19, 2025
  • Patent Title: Hydraulic energy transfer system with fluid mixing reduction Jul. 08, 2025
  • Patent Title: Control of a pressure exchanger system May. 27, 2025
  • Patent Title: Systems and methods for repairing fluid handling equipment May. 13, 2025
  • Patent Title: Refrigeration system with high speed rotary pressure exchanger Apr. 15, 2025
  • Patent Title: Refrigeration and heat pump systems with pressure exchangers Jan. 28, 2025
  • Patent Title: Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion system Dec. 31, 2024
  • Patent Title: Motorized pressure exchanger with a low-pressure centerbore Oct. 01, 2024
  • Patent Title: Refrigeration and heat pump systems with pressure exchangers Sep. 10, 2024
  • Patent Title: Power generation system with rotary liquid piston compressor for transcritical and supercritical compression of fluids Jun. 18, 2024
  • Patent Title: Heat pump systems with pressure exchangers Jun. 11, 2024
  • Patent Title: Refrigeration system with high speed rotary pressure exchanger May. 14, 2024
  • Patent Title: Control of a pressure exchanger system Apr. 16, 2024
  • Patent Title: Pressure exchanger inserts Apr. 16, 2024
  • Patent Title: Refrigeration and heat pump systems with pressure exchangers Feb. 27, 2024
  • Patent Title: Refrigeration and heat pump systems with pressure exchangers Oct. 10, 2023
  • Patent Title: Motorized pressure exchanger with a low-pressure centerbore Sep. 19, 2023
  • Patent Title: Control of refrigeration and heat pump systems that include pressure exchangers Jul. 04, 2023
  • Patent Title: Motorized pressure exchanger with a low-pressure centerbore Jan. 17, 2023
  • Patent Title: Hydraulic energy transfer system with fluid mixing reduction Nov. 29, 2022
  • Patent Title: Refrigeration system with high speed rotary pressure exchanger Aug. 23, 2022
  • Patent Title: Low energy consumption refrigeration system with a rotary pressure exchanger replacing the bulk flow compressor and the high pressure expansion valve Jul. 26, 2022
  • Patent Title: Frac system with hydraulic energy transfer system May. 10, 2022
  • Patent Title: Hydraulic energy transfer system with filtering system Aug. 17, 2021
  • Patent Title: Power generation system with rotary liquid piston compressor for transcritical and supercritical compression of fluids Jul. 27, 2021
  • Patent Title: Systems and methods for repairing fluid handling equipment Jun. 29, 2021
  • Patent Title: System and method for improved duct pressure transfer in pressure exchange system May. 22, 2018
  • Patent Title: System and method for offshore (topside or subsea) and onshore water reinjection for secondary recovery May. 22, 2018
  • Patent Title: System and method for offshore (topside or subsea) and onshore water reinjection for secondary recovery May. 15, 2018
  • Patent Title: Frac system with hydraulic energy transfer system Apr. 17, 2018
  • Patent Title: Pressure exchanger system with integral pressure balancing system Apr. 17, 2018
  • Patent Title: Pressure exchange system with motor system and pressure compensation system Mar. 20, 2018
  • Patent Title: System and method for a rotor advancing tool Feb. 06, 2018
  • Patent Title: Rotary isobaric pressure exchanger system with lubrication system Dec. 05, 2017
  • Patent Title: Systems and methods for utilizing turbine systems within gas processing systems Sep. 19, 2017
  • Patent Title: System and method for utilizing integrated pressure exchange manifold in hydraulic fracturing Sep. 12, 2017
  • Patent Title: Rotary isobaric pressure exchanger system with flush system Aug. 22, 2017
  • Patent Title: Pressure exchange noise reduction Jul. 04, 2017
  • Patent Title: Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumps Jun. 20, 2017
  • Patent Title: Isobaric pressure exchanger in amine gas processing Mar. 28, 2017
  • Patent Title: Isobaric pressure exchanger controls in amine gas processing Sep. 13, 2016
  • Patent Title: Debris resistant thrust bearing assembly for high speed hydraulic centrifugal turbines and pumps Sep. 16, 2014
  • Patent Title: Systems and methods for combined flow control and electricity generation Jun. 03, 2014
  • Patent Title: Centrifugal pump Nov. 12, 2013
  • Patent Title: Rotary pressure transfer device Dec. 13, 2011
  • Patent Title: Rotary pressure transfer device with improved flow Aug. 16, 2011
  • Patent Title: Rotary pressure exchanger Jun. 07, 2011
  • Patent Title: Hybrid ro/pro system Jan. 18, 2011
Government Contracts

Federal grants, loans, and purchases

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Government Contracts Dashboard
Government Contracts

Estimated quarterly amount awarded to ERII from public contracts

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No recent Government Contracts for this ticker

Government Contracts Dashboard
ERII News

Recent insights relating to ERII

CNBC Recommendations

Recent picks made for ERII stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in ERII

ERII Analyst Ratings

ERII Stock Forecasts
...

  • ... Highest Price Target
  • ... Median Price Target
  • ... Lowest Price Target
ERII Analyst Forecasts
Analyst
Firm
Current
Previous
Date
Frequently Asked Questions
  • Is $ERII stock a Buy, Sell, or Hold?

  • What is the price target for $ERII stock?

* Analyst consensus is not financial advice. Please see our data disclaimers .

ERII Top Shareholders
Shareholder
Shares Held
ERII Options Owners
Shareholder
Security
Underlying Shares
Frequently Asked Questions
  • Who owns $ERII stock?

  • Who owns the most shares of $ERII stock?

  • What funds own $ERII stock?

* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

ERII Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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Score Breakdown
Bull Case vs Bear Case

See concise summaries of analyst reports, presenting both bullish and bearish arguments for a stock.

Example:

Bulls Say:

The Bulls Say summary highlights positive aspects of the stock.

Bears Say:

The Bears Say summary points out potential risks and negative aspects of the stock.

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About ERII

Energy Recovery Inc is an engineering-driven technology company. It is engaged in engineering, designing, manufacturing and supplying solutions that make industrial processes more efficient and sustainable. The company operates in three segments, Water, Emerging Technologies and Corporate. It offers energy recovery devices (ERDs) and pumps as well as related products and services to the reverse osmosis desalination market. The company derives a majority of the revenue from the Water segment. Geographically, the company operates in the U.S. and other international countries.

  • Address San Leandro, CA
  • Market Cap 733.1 million
  • Employees 254
  • Industrial Classification Special Industry Machinery, Nec
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