Energy Recovery

ERII · NASDAQ

$6.64−$0.02 (−0.30%)TodayMarket closed ·
Prev close $6.66

Who owns ERII

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 44.0% of ERII’s shares.

  • BlackRock Institutional Trust Company, N.A.8.1%
  • Amundi Asset Management, SAS7.7%
  • KBI Global Investors Ltd.5.6%
  • Vanguard Capital Management, LLC4.2%
  • Next 6 largest institutions18.4%
  • All other shareholders56.0%
Top institutional holders of ERII
HolderShares% of shares
BlackRock Institutional Trust Company, N.A.4.20M8.08%
Amundi Asset Management, SAS4.00M7.70%
KBI Global Investors Ltd.2.94M5.65%
Vanguard Capital Management, LLC2.18M4.20%
Legal & General Investment Management Ltd.2.06M3.96%
Fidelity International1.72M3.30%
Geode Capital Management, L.L.C.1.70M3.26%
State Street Investment Management (US)1.63M3.13%
Vanguard Portfolio Management, LLC1.26M2.43%
Mackenzie Financial Corporation1.19M2.28%

Largest mutual fund holders

Top mutual fund holders of ERII
HolderShares% of shares
Vanguard Total Stock Market Index Fund1.54M2.96%
KBI Water Fund1.37M2.63%
iShares Russell 2000 ETF1.34M2.58%
L&G Clean Water UCITS ETF Fund1.32M2.53%
AMUNDI - KBI AQUA1.07M2.06%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $266.11K (2 trades) and sold $193.42K (3 trades) of ERII on the open market.

Latest ERII insider transactions
InsiderTypeSharesValue
Clemente RodneySale5.39K$46.11K
Yeung WilliamSale2.05K$17.53K
Clemente RodneyTax withholding2.32K$19.53K
Yeung WilliamTax withholding2.83K$23.81K
Mitchell John JosephAward16.80K—
Sabol Colin RBuy11.18K$99.27K
BUEHLER ALEXANDER JOption exercise15.33K$131.81K
BUEHLER ALEXANDER JSale14.90K$129.78K
BUEHLER ALEXANDER JOption exercise15.33K$131.81K
TONDREAU PAMELA L.Award22.32K$185.00K

Short interest

Settled Sep 30, 2026

Shares short
3.32M
Days to cover
3.70
% of shares outstanding
6.39%
Average daily volume
897.78K
Change since last report
−3.2%

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