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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 Officer2025-10-245,638$18.00
$101.48kSell
William YeungChief Legal Officer2025-10-245,638$10.19
$57.45kBuy
William YeungChief Legal Officer2025-10-243,530$18.00
$63.54kSell
William YeungChief Legal Officer2025-10-243,530$7.50
$26.48kBuy
William YeungChief Legal Officer2025-10-233,530$7.50
$26.48kBuy
William YeungChief Legal Officer2025-10-233,530$17.50
$61.78kSell
William YeungChief Legal Officer2025-10-203,530$17.00
$60.01kSell
William YeungChief Legal Officer2025-10-203,530$7.50
$26.48kBuy
William YeungChief Legal Officer2025-10-163,530$7.50
$26.48kBuy
William YeungChief Legal Officer2025-10-163,530$16.50
$58.25kSell

1 of 5

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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 Lorentzen41.50%21,985,907$319.46MInsider
Blackrock Inc10.90%5,776,383$83.93MInstitution
Vanguard Group Inc7.10%3,762,742$54.67MInstitution
James Medanich6.23%3,300,000$47.95MInsider
Fred Olav Johannessen4.31%2,283,851$33.18MInsider
Brown Capital Management LLC3.03%1,602,982$23.29MInstitution
Geode Capital Management LLC2.44%1,291,743$18.77MInstitution
Arve Hanstveit2.26%1,195,220$17.37MInsider
Gonzalo G. Pique1.75%929,100$13.50MInsider
Dimensional Fund Advisors LP1.75%925,097$13.44MInstitution

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ERII vs Pollution & Treatment Control Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ERII36.40%61.50%Net SellingNet Selling
ADUR0.27%0.00%
ARQ24.76%48.68%Net BuyingNet Buying
FTEK12.79%87.21%Net Buying
SCWO5.58%46.39%Net SellingNet Selling
View Top Pollution & Treatment Control Stocks

Energy Recovery Stock Ownership FAQ

Who owns Energy Recovery?

Energy Recovery (NASDAQ: ERII) is owned by 36.40% institutional shareholders, 61.50% Energy Recovery insiders, and 2.10% retail investors. Ole Peter Lorentzen is the largest individual Energy Recovery shareholder, owning 21.99M shares representing 41.50% of the company. Ole Peter Lorentzen's Energy Recovery shares are currently valued at $319.89M.

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