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

Insider buying vs selling

Have Energy Recovery Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Alexander J. BuehlerInterim President and CEO2026-06-1515,327$8.60
$131.81kBuy
Colin R. SabolDirector2026-06-1511,180$8.88
$99.27kBuy
Alexander J. BuehlerInterim President and CEO2026-06-1514,900$8.71
$129.78kSell
Colin R. SabolDirector2026-06-0418,094$8.29
$150.00kBuy
Arve HanstveitDirector2026-06-0418,094$8.29
$150.00kBuy
Joan Kai ChowDirector2026-06-0418,094$8.29
$150.00kBuy
Pamela L. TondreauDirector2026-06-0422,316$8.29
$185.00kBuy
Pamela L. TondreauDirector2026-05-1320,000$8.34
$166.84kBuy
Aidan RyanInterim CFO2026-05-0618,518$11.61
$214.99kBuy
Arve HanstveitDirector2026-04-062,419$10.29
$24.89kSell

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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 Lorentzen42.65%21,985,907$189.52MInsider
Blackrock Inc11.82%6,090,926$52.50MInstitution
Ameriprise Financial Inc10.20%5,259,816$45.34MInstitution
Amundi7.26%3,740,309$32.24MInstitution
James Medanich6.40%3,300,000$28.45MInsider
Fred Olav Johannessen4.43%2,283,851$19.69MInsider
Vanguard Capital Management LLC4.33%2,230,270$19.22MInstitution
Fil Ltd3.86%1,987,919$17.14MInstitution
Legal General Group PLC3.69%1,902,525$16.40MInstitution
State Street Corp3.44%1,772,948$15.28MInstitution

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ERII vs Pollution & Treatment Control Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ERII57.61%42.39%Net SellingNet Buying
ADUR2.24%0.00%
ZONE26.82%7.24%Net Selling
ARQ34.18%49.54%Net BuyingNet Selling
FTEK19.86%80.14%Net Buying

Energy Recovery Stock Ownership FAQ

Who owns Energy Recovery?

Energy Recovery (NASDAQ: ERII) is owned by 85.96% institutional shareholders, 63.26% Energy Recovery insiders, and 0.00% retail investors. Ole Peter Lorentzen is the largest individual Energy Recovery shareholder, owning 21.99M shares representing 42.65% of the company. Ole Peter Lorentzen's Energy Recovery shares are currently valued at $189.52M.

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