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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 Officer2026-02-06646$15.14
$9.78kSell
William YeungChief Legal Officer2026-02-05890$14.59
$12.99kSell
Rodney ClementeSVP Water2026-02-05724$14.59
$10.56kSell
William YeungChief Legal Officer2026-02-02729$14.46
$10.54kSell
Rodney ClementeSVP Water2026-01-308,397$14.30
$120.08kSell
William YeungChief Legal Officer2026-01-301,003$14.65
$14.69kSell
Matthew HostetlerChief Human Resources Officer2026-01-303,359$14.30
$48.03kSell
David W. MoonPresident and CEO2026-01-3017,160$14.30
$245.39kSell
William YeungChief Legal Officer2026-01-308,622$14.30
$123.29kSell
Rodney ClementeSVP Water2026-01-30694$14.65
$10.17kSell

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$339.46MInsider
Blackrock Inc10.90%5,776,383$89.19MInstitution
Ameriprise Financial Inc9.38%4,966,296$76.68MInstitution
Vanguard Group Inc7.10%3,762,742$58.10MInstitution
James Medanich6.23%3,300,000$50.95MInsider
Fred Olav Johannessen4.31%2,283,851$35.26MInsider
Fil Ltd3.85%2,040,896$31.51MInstitution
Brown Capital Management LLC3.03%1,602,982$24.75MInstitution
State Street Corp2.72%1,439,242$22.22MInstitution
Legal General Group PLC2.47%1,307,738$20.19MInstitution

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ERII vs Pollution & Treatment Control Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ERII56.79%43.21%Net SellingNet Selling
ADUR1.61%0.00%
ARQ41.64%48.68%Net Buying
PCT45.96%54.04%Net Selling
ZONE17.00%7.52%Net BuyingNet Buying
View Top Pollution & Treatment Control Stocks

Energy Recovery Stock Ownership FAQ

Who owns Energy Recovery?

Energy Recovery (NASDAQ: ERII) is owned by 80.61% institutional shareholders, 61.34% Energy Recovery insiders, and 0.00% 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 $337.92M.

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