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Energy Recovery, Inc.

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

Chart provided by TradingView

ERII historical prices
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

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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

Show More
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

    Learn More about Alpha
  • Annual Standard Deviation

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

    Learn More about Annual Standard Deviation
  • Annual Volatility

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

    Learn More about Annual Volatility
  • 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.

    Learn More about Beta
  • CAGR

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

    Learn More about CAGR
  • Information Ratio

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

    Learn More about Information Ratio
  • Max Drawdown

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

    Learn More about Max Drawdown
  • 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.

    Learn More about Sharpe Ratio
  • 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.

    Learn More about Treynor Ratio
  • 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)
Revolving Door

Former government officials who have lobbied for ERII

2 former government officials at 1 lobbying firm have lobbied for ERII, most recently Apr 14, 2020.

  • Connie Mack House New U.S. Representative (2005-2013) Formerly U.S. Representative (2005-2013) · BLACK DIAMOND STRATEGIES LLC · Apr 14, 2020
  • Hans Klingler Congress New U.S. House Chief of Staff (2010-2015), U.S. Senate Regional Director (1995-1997) Formerly U.S. House Chief of Staff (2010-2015), U.S. Senate Regional Director (1995-1997) · BLACK DIAMOND STRATEGIES LLC · Apr 14, 2020
Corporate Lobbying

ERII Estimated quarterly lobbying spending

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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: Enhancing efficiency in a pressure exchanger Sep. 08, 2026
  • Patent Title: Refrigeration and heat pump systems with pressure exchangers Sep. 01, 2026
  • Patent Title: Minimizing mixing in a pressure exchanger Aug. 11, 2026
  • Patent Title: Geothermal power generation systems with pressure exchangers May. 12, 2026
  • Patent Title: Heat pump systems with pressure exchangers Mar. 31, 2026
  • 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: 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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No Government Contracts for this ticker

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 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.

  • Address San Leandro, CA
  • Market Cap 347.1 million
  • Employees 230
  • Industrial Classification Special Industry Machinery, Nec

Energy Recovery, Inc. (ERII) Historical Stock Prices

Energy Recovery, Inc. (ERII) closed at $6.80 on September 23, 2026. Over the past year its adjusted close ranged from $6.80 to $18.11. Daily prices go back to January 2, 2014, 3,200 trading days in all.

  • 1 month-12.82%
  • 3 months-22.46%
  • Year to date-49.59%
  • 1 year-54.85%
  • 3 years-68.06%
  • 5 years-66.24%
  • Max+26.63%
See every congressional and insider trade on the ERII price chart

Quiver Premium charts ERII's full daily history since 2014 with each congressional purchase and sale and every open-market insider purchase marked on the price line, with hover details for each trade.

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Last 12 months, newest first

Access Raw Data Daily prices since 2014 for every ticker, through the Quiver API
DateOpenHighLowCloseAdj. CloseVolume
Sep 23, 2026 7.06 7.06 6.78 6.80 6.80 777,804
Sep 22, 2026 7.06 7.13 6.95 7.12 7.12 754,236
Sep 21, 2026 7.00 7.07 6.91 7.03 7.03 985,904
Sep 18, 2026 6.97 7.06 6.88 6.99 6.99 1,947,844
Sep 17, 2026 7.19 7.20 6.96 7.05 7.05 656,437
Sep 16, 2026 7.08 7.33 7.05 7.10 7.10 913,482
Sep 15, 2026 7.11 7.12 6.89 7.06 7.06 1,293,406
Sep 14, 2026 7.18 7.27 6.93 7.09 7.09 2,016,328
Sep 11, 2026 7.39 7.59 7.33 7.55 7.55 929,289
Sep 10, 2026 7.35 7.42 7.25 7.27 7.27 810,721
Sep 9, 2026 7.64 7.68 7.33 7.38 7.38 922,804
Sep 8, 2026 7.57 7.79 7.49 7.70 7.70 1,140,833
Sep 4, 2026 7.62 7.75 7.60 7.63 7.63 642,916
Sep 3, 2026 7.64 7.72 7.53 7.65 7.65 802,475
Sep 2, 2026 7.75 7.76 7.53 7.58 7.58 947,745
Sep 1, 2026 7.65 7.77 7.60 7.73 7.73 1,293,399
Aug 31, 2026 7.73 7.80 7.62 7.71 7.71 3,244,517
Aug 28, 2026 7.92 8.05 7.76 7.77 7.77 683,899
Aug 27, 2026 7.90 7.96 7.76 7.90 7.90 567,145
Aug 26, 2026 7.86 8.02 7.82 7.94 7.94 684,123
Aug 25, 2026 7.84 7.89 7.74 7.85 7.85 584,442
Aug 24, 2026 7.90 7.90 7.63 7.80 7.80 811,467
Aug 21, 2026 7.82 7.94 7.76 7.90 7.90 506,159
Aug 20, 2026 7.79 7.86 7.58 7.75 7.75 1,019,220
Aug 19, 2026 7.86 8.00 7.78 7.91 7.91 889,931
Aug 18, 2026 8.06 8.12 7.74 7.88 7.88 1,003,799
Aug 17, 2026 8.35 8.38 8.09 8.14 8.14 1,177,645
Aug 14, 2026 7.91 8.39 7.75 8.35 8.35 1,353,847
Aug 13, 2026 7.76 7.84 7.51 7.82 7.82 1,276,569
Aug 12, 2026 7.77 7.93 7.74 7.78 7.78 714,916
Aug 11, 2026 7.99 8.05 7.71 7.72 7.72 1,164,412
Aug 10, 2026 8.70 8.73 7.87 7.99 7.99 913,829
Aug 7, 2026 8.86 8.91 8.56 8.68 8.68 976,275
Aug 6, 2026 8.36 8.80 8.31 8.73 8.73 1,334,061
Aug 5, 2026 9.11 9.34 8.80 8.86 8.86 914,835
Aug 4, 2026 9.03 9.16 8.87 9.12 9.12 951,169
Aug 3, 2026 8.79 8.92 8.56 8.91 8.91 1,278,502
Jul 31, 2026 8.50 8.66 8.31 8.65 8.65 1,452,149
Jul 30, 2026 8.28 8.46 8.16 8.43 8.43 847,448
Jul 29, 2026 8.30 8.39 7.86 8.14 8.14 1,511,464
Jul 28, 2026 8.56 8.73 8.35 8.40 8.40 688,163
Jul 27, 2026 8.45 8.66 8.37 8.52 8.52 767,380
Jul 24, 2026 8.46 8.56 8.36 8.42 8.42 514,135
Jul 23, 2026 8.43 8.61 8.37 8.41 8.41 546,532
Jul 22, 2026 8.62 8.68 8.46 8.54 8.54 608,115
Jul 21, 2026 8.52 8.73 8.52 8.62 8.62 596,441
Jul 20, 2026 8.65 8.68 8.46 8.48 8.48 558,484
Jul 17, 2026 8.68 8.96 8.52 8.62 8.62 741,266
Jul 16, 2026 8.56 8.73 8.50 8.70 8.70 596,125
Jul 15, 2026 8.68 8.85 8.44 8.62 8.62 703,237
Jul 14, 2026 8.68 8.75 8.59 8.66 8.66 570,740
Jul 13, 2026 8.73 8.86 8.55 8.66 8.66 893,485
Jul 10, 2026 8.91 8.91 8.67 8.73 8.73 676,680
Jul 9, 2026 8.60 8.96 8.57 8.93 8.93 1,044,172
Jul 8, 2026 8.61 8.72 8.55 8.62 8.62 660,003
Jul 7, 2026 8.90 8.95 8.58 8.80 8.80 537,910
Jul 6, 2026 8.87 9.04 8.80 9.00 9.00 415,696
Jul 2, 2026 8.94 9.05 8.79 8.84 8.84 647,692
Jul 1, 2026 8.98 9.23 8.89 8.90 8.90 669,337
Jun 30, 2026 8.88 9.06 8.70 9.02 9.02 918,972
Jun 29, 2026 8.96 9.00 8.75 8.81 8.81 875,525
Jun 26, 2026 8.70 9.05 8.68 8.82 8.82 1,590,619
Jun 25, 2026 8.89 8.95 8.73 8.79 8.79 710,100
Jun 24, 2026 8.93 9.11 8.74 8.77 8.77 925,136
Jun 23, 2026 8.60 9.02 8.54 8.86 8.86 621,385
Jun 22, 2026 9.42 9.42 8.85 8.90 8.90 1,374,033
Jun 18, 2026 9.54 9.91 9.16 9.42 9.42 3,558,242
Jun 17, 2026 8.60 9.67 8.57 8.99 8.99 2,479,981
Jun 16, 2026 8.76 9.06 8.54 8.58 8.58 1,535,699
Jun 15, 2026 8.52 9.06 8.43 8.76 8.76 2,072,791
Jun 12, 2026 8.19 8.41 8.15 8.33 8.33 720,085
Jun 11, 2026 7.97 8.24 7.83 8.19 8.19 839,568
Jun 10, 2026 8.09 8.11 7.89 7.92 7.92 523,224
Jun 9, 2026 8.07 8.29 7.96 8.12 8.12 689,807
Jun 8, 2026 8.03 8.15 7.83 7.97 7.97 669,483
Jun 5, 2026 8.29 8.30 8.00 8.01 8.01 584,578
Jun 4, 2026 8.15 8.39 8.06 8.29 8.29 753,656
Jun 3, 2026 8.13 8.35 8.00 8.04 8.04 1,098,078
Jun 2, 2026 8.06 8.29 8.06 8.18 8.18 725,344
Jun 1, 2026 8.12 8.20 7.94 8.00 8.00 984,950
May 29, 2026 8.43 8.52 8.09 8.17 8.17 892,124
May 28, 2026 8.59 8.71 8.50 8.63 8.63 557,474
May 27, 2026 8.81 8.81 8.57 8.68 8.68 493,418
May 26, 2026 8.92 9.00 8.71 8.77 8.77 806,924
May 22, 2026 8.67 8.86 8.61 8.85 8.85 825,755
May 21, 2026 8.55 8.72 8.37 8.62 8.62 648,302
May 20, 2026 8.48 8.73 8.39 8.65 8.65 916,782
May 19, 2026 9.00 9.07 8.44 8.46 8.46 933,493
May 18, 2026 8.63 9.27 8.61 9.06 9.06 1,335,538
May 15, 2026 8.45 8.63 8.20 8.41 8.41 1,247,806
May 14, 2026 8.40 8.64 8.18 8.62 8.62 4,776,151
May 13, 2026 8.73 8.77 8.13 8.31 8.31 3,479,848
May 12, 2026 8.70 8.81 8.53 8.73 8.73 1,391,431
May 11, 2026 9.21 9.33 8.62 8.70 8.70 1,588,861
May 8, 2026 9.67 9.67 9.03 9.13 9.13 1,548,704
May 7, 2026 11.13 11.13 9.30 9.43 9.43 3,622,287
May 6, 2026 11.51 11.72 11.48 11.61 11.61 726,935
May 5, 2026 11.11 11.48 11.07 11.31 11.31 586,264
May 4, 2026 11.02 11.19 10.97 11.00 11.00 596,689
May 1, 2026 11.11 11.16 10.85 11.04 11.04 858,673
Apr 30, 2026 10.84 11.13 10.75 11.07 11.07 1,194,126
Apr 29, 2026 11.07 11.11 10.62 10.70 10.70 641,991
Apr 28, 2026 11.00 11.12 10.81 11.09 11.09 720,243
Apr 27, 2026 11.30 11.47 11.03 11.05 11.05 850,202
Apr 24, 2026 11.00 11.39 10.95 11.28 11.28 1,679,267
Apr 23, 2026 10.90 11.14 10.75 11.01 11.01 830,468
Apr 22, 2026 10.46 10.89 10.46 10.81 10.81 1,302,357
Apr 21, 2026 10.74 10.86 10.22 10.37 10.37 710,754
Apr 20, 2026 10.50 10.69 10.43 10.46 10.46 748,701
Apr 17, 2026 10.66 10.79 10.51 10.58 10.58 1,744,964
Apr 16, 2026 10.62 10.70 10.28 10.45 10.45 785,274
Apr 15, 2026 10.48 10.89 10.48 10.62 10.62 929,417
Apr 14, 2026 11.41 11.53 11.27 11.29 11.29 550,417
Apr 13, 2026 11.09 11.50 11.05 11.41 11.41 820,888
Apr 10, 2026 11.00 11.27 11.00 11.11 11.11 381,127
Apr 9, 2026 10.72 11.12 10.67 11.06 11.06 855,985
Apr 8, 2026 10.81 10.91 10.61 10.72 10.72 714,269
Apr 7, 2026 10.28 10.45 10.25 10.33 10.33 486,117
Apr 6, 2026 10.34 10.44 10.20 10.42 10.42 514,954
Apr 2, 2026 10.02 10.41 9.85 10.20 10.20 1,097,921
Apr 1, 2026 10.30 10.31 10.07 10.22 10.22 695,211
Mar 31, 2026 9.97 10.17 9.82 10.07 10.07 871,970
Mar 30, 2026 10.00 10.02 9.76 9.81 9.81 655,348
Mar 27, 2026 9.87 9.98 9.76 9.87 9.87 549,190
Mar 26, 2026 10.09 10.21 9.86 9.94 9.94 445,062
Mar 25, 2026 10.36 10.43 9.99 10.14 10.14 493,272
Mar 24, 2026 10.02 10.51 9.97 10.17 10.17 1,115,446
Mar 23, 2026 9.77 10.16 9.51 10.12 10.12 1,996,436
Mar 20, 2026 9.79 9.86 9.35 9.46 9.46 1,899,113
Mar 19, 2026 9.76 9.91 9.65 9.73 9.73 797,460
Mar 18, 2026 10.10 10.26 9.89 9.91 9.91 698,585
Mar 17, 2026 10.32 10.38 10.10 10.19 10.19 599,184
Mar 16, 2026 10.24 10.37 10.12 10.26 10.26 604,896
Mar 13, 2026 10.28 10.46 9.89 10.05 10.05 813,713
Mar 12, 2026 10.53 10.64 10.13 10.24 10.24 831,214
Mar 11, 2026 10.82 10.89 10.60 10.78 10.78 656,839
Mar 10, 2026 11.12 11.21 10.77 10.87 10.87 1,013,844
Mar 9, 2026 10.87 11.61 10.35 11.12 11.12 1,763,144
Mar 6, 2026 10.67 10.81 10.38 10.61 10.61 905,456
Mar 5, 2026 10.60 10.78 10.54 10.73 10.73 870,179
Mar 4, 2026 10.40 10.80 10.21 10.72 10.72 928,411
Mar 3, 2026 10.01 10.24 9.59 10.22 10.22 1,702,701
Mar 2, 2026 10.29 10.36 9.85 10.26 10.26 940,752
Feb 27, 2026 10.46 10.79 10.03 10.43 10.43 1,196,607
Feb 26, 2026 11.45 11.97 10.22 10.43 10.43 4,519,644
Feb 25, 2026 16.18 16.18 15.77 16.12 16.12 459,531
Feb 24, 2026 16.11 16.16 15.79 16.07 16.07 299,907
Feb 23, 2026 16.13 16.27 15.71 16.06 16.06 369,146
Feb 20, 2026 16.03 16.30 15.88 16.24 16.24 272,239
Feb 19, 2026 15.76 16.11 15.74 16.05 16.05 279,699
Feb 18, 2026 15.88 16.00 15.66 15.75 15.75 291,434
Feb 17, 2026 15.56 16.09 15.44 15.89 15.89 333,370
Feb 13, 2026 15.43 15.81 15.42 15.60 15.60 309,264
Feb 12, 2026 15.63 15.89 15.31 15.37 15.37 235,113
Feb 11, 2026 15.71 15.90 15.31 15.44 15.44 246,764
Feb 10, 2026 15.75 15.83 15.52 15.59 15.59 286,396
Feb 9, 2026 15.51 15.90 15.29 15.81 15.81 273,755
Feb 6, 2026 15.14 15.58 15.14 15.47 15.47 304,475
Feb 5, 2026 14.91 15.28 14.87 15.11 15.11 233,231
Feb 4, 2026 15.00 15.07 14.79 14.98 14.98 211,591
Feb 3, 2026 14.98 15.20 14.54 14.81 14.81 381,049
Feb 2, 2026 14.46 15.02 14.26 14.95 14.95 343,281
Jan 30, 2026 14.60 14.73 14.37 14.59 14.59 399,234
Jan 29, 2026 14.68 14.89 14.53 14.78 14.78 296,804
Jan 28, 2026 14.55 14.96 14.24 14.65 14.65 455,817
Jan 27, 2026 14.39 14.57 14.32 14.48 14.48 285,541
Jan 26, 2026 14.30 14.48 14.27 14.33 14.33 226,901
Jan 23, 2026 14.58 14.62 14.28 14.30 14.30 293,240
Jan 22, 2026 14.51 14.71 14.49 14.63 14.63 286,342
Jan 21, 2026 14.14 14.47 14.04 14.41 14.41 311,131
Jan 20, 2026 14.09 14.18 13.90 13.98 13.98 308,921
Jan 16, 2026 14.28 14.37 14.17 14.30 14.30 373,917
Jan 15, 2026 14.34 14.50 14.22 14.30 14.30 340,943
Jan 14, 2026 14.35 14.37 14.04 14.22 14.22 393,353
Jan 13, 2026 14.32 14.40 14.16 14.38 14.38 285,482
Jan 12, 2026 14.16 14.47 14.10 14.28 14.28 234,954
Jan 9, 2026 14.49 14.55 14.12 14.16 14.16 299,488
Jan 8, 2026 14.00 14.46 13.98 14.44 14.44 215,996
Jan 7, 2026 14.37 14.44 14.04 14.06 14.06 278,402
Jan 6, 2026 14.26 14.48 14.17 14.42 14.42 304,345
Jan 5, 2026 13.78 14.58 13.78 14.33 14.33 372,076
Jan 2, 2026 13.60 13.72 13.44 13.72 13.72 318,767
Dec 31, 2025 13.51 13.59 13.31 13.49 13.49 512,396
Dec 30, 2025 13.77 13.78 13.47 13.48 13.48 613,326
Dec 29, 2025 13.86 13.94 13.75 13.80 13.80 321,457
Dec 26, 2025 13.81 13.88 13.70 13.88 13.88 287,018
Dec 24, 2025 13.81 13.91 13.75 13.84 13.84 152,260
Dec 23, 2025 13.95 13.98 13.68 13.81 13.81 399,007
Dec 22, 2025 14.15 14.24 13.96 13.98 13.98 409,498
Dec 19, 2025 14.43 14.46 14.03 14.07 14.07 1,290,360
Dec 18, 2025 14.24 14.55 14.23 14.43 14.43 393,571
Dec 17, 2025 14.39 14.62 14.11 14.13 14.13 435,199
Dec 16, 2025 14.52 14.75 14.42 14.44 14.44 599,740
Dec 15, 2025 14.54 14.59 14.38 14.52 14.52 478,299
Dec 12, 2025 14.63 14.71 14.32 14.47 14.47 315,515
Dec 11, 2025 14.42 14.71 14.32 14.60 14.60 356,758
Dec 10, 2025 14.20 14.55 14.09 14.41 14.41 554,813
Dec 9, 2025 14.49 14.55 14.21 14.23 14.23 443,748
Dec 8, 2025 14.76 14.90 14.45 14.50 14.50 441,340
Dec 5, 2025 14.66 14.81 14.60 14.72 14.72 333,137
Dec 4, 2025 14.87 15.00 14.67 14.68 14.68 285,166
Dec 3, 2025 14.56 14.93 14.56 14.90 14.90 420,332
Dec 2, 2025 14.51 14.65 14.37 14.43 14.43 491,961
Dec 1, 2025 14.19 14.57 14.19 14.46 14.46 393,442
Nov 28, 2025 14.42 14.50 14.29 14.45 14.45 225,376
Nov 26, 2025 14.25 14.43 14.10 14.38 14.38 300,641
Nov 25, 2025 14.01 14.33 13.98 14.25 14.25 470,283
Nov 24, 2025 13.69 14.00 13.59 13.88 13.88 845,199
Nov 21, 2025 13.30 13.80 13.28 13.64 13.64 526,019
Nov 20, 2025 14.27 14.36 13.27 13.28 13.28 512,649
Nov 19, 2025 14.48 14.61 13.73 14.00 14.00 722,375
Nov 18, 2025 14.37 14.50 14.07 14.43 14.43 535,868
Nov 17, 2025 14.51 14.77 14.41 14.50 14.50 715,234
Nov 14, 2025 14.34 14.56 14.30 14.55 14.55 502,930
Nov 13, 2025 14.10 14.64 14.08 14.53 14.53 751,250
Nov 12, 2025 14.06 14.44 13.97 14.26 14.26 819,768
Nov 11, 2025 14.19 14.29 13.89 14.05 14.05 655,426
Nov 10, 2025 14.30 14.71 14.04 14.06 14.06 1,050,219
Nov 7, 2025 14.49 14.49 13.47 13.97 13.97 2,526,018
Nov 6, 2025 15.35 15.72 14.35 14.49 14.49 1,153,451
Nov 5, 2025 16.54 17.36 16.50 17.26 17.26 521,043
Nov 4, 2025 16.76 16.82 16.34 16.41 16.41 339,576
Nov 3, 2025 17.11 17.11 16.80 16.81 16.81 402,378
Oct 31, 2025 17.10 17.20 16.93 17.11 17.11 335,288
Oct 30, 2025 17.10 17.23 16.95 17.13 17.13 220,779
Oct 29, 2025 17.31 17.53 16.99 17.17 17.17 280,425
Oct 28, 2025 17.53 17.64 17.24 17.40 17.40 321,321
Oct 27, 2025 18.15 18.32 17.47 17.59 17.59 291,224
Oct 24, 2025 17.95 18.31 17.79 18.11 18.11 309,176
Oct 23, 2025 17.30 17.89 17.27 17.87 17.87 409,494
Oct 22, 2025 17.11 17.26 16.91 17.22 17.22 392,767
Oct 21, 2025 16.93 17.22 16.61 17.16 17.16 556,390
Oct 20, 2025 16.91 17.09 16.77 17.03 17.03 466,950
Oct 17, 2025 16.63 16.88 16.53 16.76 16.76 457,893
Oct 16, 2025 16.45 16.83 16.36 16.77 16.77 564,906
Oct 15, 2025 15.96 16.38 15.77 16.34 16.34 436,600
Oct 14, 2025 15.35 15.85 15.35 15.74 15.74 271,162
Oct 13, 2025 15.53 15.58 15.24 15.56 15.56 294,881
Oct 10, 2025 15.32 15.43 15.18 15.27 15.27 364,337
Oct 9, 2025 15.51 15.79 15.29 15.32 15.32 647,177
Oct 8, 2025 15.57 15.69 15.35 15.44 15.44 464,583
Oct 7, 2025 15.77 15.89 15.43 15.57 15.57 291,549
Oct 6, 2025 15.82 15.86 15.62 15.79 15.79 292,003
Oct 3, 2025 15.88 16.28 15.75 15.77 15.77 466,245
Oct 2, 2025 15.92 15.94 15.68 15.87 15.87 347,851
Oct 1, 2025 15.25 15.85 15.21 15.84 15.84 371,521
Sep 30, 2025 15.31 15.45 15.23 15.42 15.42 324,955
Sep 29, 2025 15.45 15.47 15.14 15.35 15.35 497,917
Sep 26, 2025 15.33 15.45 15.07 15.32 15.32 479,154
Sep 25, 2025 15.07 15.27 14.89 15.24 15.24 435,597
Sep 24, 2025 15.01 15.33 15.00 15.28 15.28 388,050
Sep 23, 2025 15.05 15.36 14.98 15.06 15.06 387,275

Open, high, low and close are the prices as traded. Adjusted close accounts for splits and dividends, and is what the chart and returns use. Where a company changed its ticker, its history under the old symbol is included.

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Energy Recovery, Inc. Executive Compensation

We estimate that -- received a compensation of -- in --, making them the highest paid executive at ERII, per a recent SEC DEF 14A filing. We estimate that the median employee at Energy Recovery, Inc. is paid $139,456.



Name
Role
Salary
Bonus
Stock/Option Awards
Total Compensation