WallStreetZenWallStreetZen

NASDAQ: ERII
Energy Recovery Inc Stock Ownership - Who owns Energy Recovery?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Energy Recovery Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
William YeungChief Legal Officer2025-10-032,529$16.00
$40.46kSell
William YeungChief Legal Officer2025-10-032,529$7.50
$18.97kBuy
William YeungChief Legal Officer2025-10-031,038$16.00
$16.61kSell
William YeungChief Legal Officer2025-10-031,038$7.50
$7.79kBuy
William YeungChief Legal Officer2025-09-1815,454$8.95
$138.31kBuy
William YeungChief Legal Officer2025-09-1815,454$15.09
$233.14kSell
William YeungChief Legal Officer2025-09-1133,554$14.51
$486.87kSell
William YeungChief Legal Officer2025-09-1130,877$8.95
$276.35kBuy
Rodney ClementeSVP Water2025-07-285,387$13.97
$75.26kSell
William YeungChief Legal Officer2025-07-251,989$13.88
$27.61kSell

1 of 4

ERII insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when ERII insiders and whales buy or sell their stock.

ERII Shareholders

What type of owners hold Energy Recovery Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ole Peter Lorentzen41.33%21,985,907$346.06MInsider
Blackrock Inc10.61%5,644,244$88.84MInstitution
Ameriprise Financial Inc10.15%5,401,044$85.01MInstitution
Vanguard Group Inc6.81%3,625,404$57.06MInstitution
James Medanich6.20%3,300,000$51.94MInsider
Brown Capital Management LLC4.66%2,479,294$39.02MInstitution
Fred Olav Johannessen4.29%2,283,851$35.95MInsider
Fil Ltd4.10%2,179,969$34.31MInstitution
State Street Corp2.74%1,459,586$22.97MInstitution
Geode Capital Management LLC2.43%1,292,928$20.35MInstitution

1 of 3

ERII vs Pollution & Treatment Control Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ERII57.98%42.02%Net SellingNet Selling
ADUR1.01%0.00%
ARQ38.54%48.46%Net BuyingNet Selling
FTEK16.78%83.22%Net Buying
DEVS1.05%37.91%
View Top Pollution & Treatment Control Stocks

Energy Recovery Stock Ownership FAQ

Who owns Energy Recovery?

Energy Recovery (NASDAQ: ERII) is owned by 84.51% institutional shareholders, 61.24% Energy Recovery insiders, and 0.00% retail investors. Ole Peter Lorentzen is the largest individual Energy Recovery shareholder, owning 21.99M shares representing 41.33% of the company. Ole Peter Lorentzen's Energy Recovery shares are currently valued at $359.25M.

If you're new to stock investing, here's how to buy Energy Recovery stock.
©2025 WallStreetZen
Company
AboutNewsBlogStock Investing FAQPlansPrivacy PolicyTerms of ServiceCancellation & RefundsPerformanceHelp GuidesContactTwitterYouTubeNewsletter
Stock Tools
Top Performing AnalystsStock ScreenerStock ForecastTrending StocksStrong Buy StocksHighest Earnings StocksBest Dividend Paying StocksStatisticsStock Market SectorsStock Market IndustriesHow to Buy Stocks Online
Stock Ideas
Buy The DipBiggest Stock Gainers TodayBiggest Stock Losers Today52 Week High Stocks52 Week Low StocksMost Active Stocks TodayMost Undervalued StocksBest Penny Stocks to Buy NowBest Stocks Under $5Best Stocks Under $10
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.