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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

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Net Insider Buy/Sell (L12M) Ownership

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ERII Shareholders

What type of owners hold Energy Recovery Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Ole Peter Lorentzen41.33%21,985,907$342.32MInsider
Blackrock Inc10.61%5,644,244$87.88MInstitution
Ameriprise Financial Inc10.15%5,401,044$84.09MInstitution
Vanguard Group Inc6.81%3,625,404$56.45MInstitution
James Medanich6.20%3,300,000$51.38MInsider
Brown Capital Management LLC4.66%2,479,294$38.60MInstitution
Fred Olav Johannessen4.29%2,283,851$35.56MInsider
Fil Ltd4.10%2,179,969$33.94MInstitution
State Street Corp2.74%1,459,586$22.73MInstitution
Geode Capital Management LLC2.43%1,292,928$20.13MInstitution

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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
SCWO10.72%54.40%Net SellingNet Buying
FTEK16.78%83.22%Net Buying
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 $339.46M.

If you're new to stock investing, here's how to buy Energy Recovery stock.
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