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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 YeungCLO2026-07-282,048$8.56
$17.53kSell
Rodney ClementeSVP2026-07-285,387$8.56
$46.11kSell
Rodney ClementeSVP2026-07-272,320$8.42
$19.53kSell
William YeungCLO2026-07-272,828$8.42
$23.81kSell
Colin R. SabolDirector2026-06-1511,180$8.88
$99.27kBuy
Alexander J. BuehlerInterim President and CEO2026-06-1515,327$8.60
$131.81kBuy
Alexander J. BuehlerInterim President and CEO2026-06-1514,900$8.71
$129.78kSell
Arve HanstveitDirector2026-06-0418,094$8.29
$150.00kBuy
Joan Kai ChowDirector2026-06-0418,094$8.29
$150.00kBuy
Colin R. SabolDirector2026-06-0418,094$8.29
$150.00kBuy

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 Lorentzen43.07%21,985,907$146.21MInsider
James Medanich6.46%3,300,000$21.95MInsider
Fred Olav Johannessen4.47%2,283,851$15.19MInsider
Arve Hanstveit1.84%940,603$6.26MInsider
Gonzalo G. Pique1.82%929,100$6.18MInsider
Robert Yu Lang Mao1.39%708,629$4.71MInsider
Dominique Trempont0.92%471,801$3.14MInsider
David W. Moon0.53%270,019$1.80MInsider
Terrill Sandlin0.24%124,000$824.60kInsider
Farshad Ghasripoor0.24%123,090$818.55kInsider

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ERII vs Pollution & Treatment Control Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ERII0.09%63.89%Net SellingNet Selling
ADUR0.00%0.00%
ARQ0.04%50.32%Net BuyingNet Buying
PCT0.09%94.24%Net SellingNet Buying
ZONE0.01%4.04%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 0.09% institutional shareholders, 63.89% Energy Recovery insiders, and 36.03% retail investors. Ole Peter Lorentzen is the largest individual Energy Recovery shareholder, owning 21.99M shares representing 43.07% of the company. Ole Peter Lorentzen's Energy Recovery shares are currently valued at $146.21M.

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