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Energy Recovery, Inc.

ERII
Exchange
Nasdaq
Industry
Special Industry Machinery, NEC
SEC CIK
0001421517

In the last 90 days, Energy Recovery, Inc. insiders filed 0 open-market purchases and 2 sales; 199 institutions reported holding it in 13F filings for Q2 2026, worth $395.6M in total; no superinvestor holds it.

13F holders, Q1 2025

Institutional positions in Energy Recovery, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
204
+18 vs. Q4 2024
Shares held
44.9M
+164.9K (+0.4%) vs. Q4 2024
Total value
$712.7M
+$55.6M (+8.5%) vs. Q4 2024
New holders
38
55 more added
Sold out
20
71 more reduced

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ERII on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 204 institutions
Q1 2021: 143 institutionsQ2 2021: 158 institutionsQ3 2021: 154 institutionsQ4 2021: 162 institutionsQ1 2022: 168 institutionsQ2 2022: 165 institutionsQ3 2022: 177 institutionsQ4 2022: 174 institutionsQ1 2023: 175 institutionsQ2 2023: 186 institutionsQ3 2023: 182 institutionsQ4 2023: 192 institutionsQ1 2024: 192 institutionsQ2 2024: 174 institutionsQ3 2024: 171 institutionsQ4 2024: 189 institutionsQ1 2025: 204 institutionsQ2 2025: 186 institutionsQ3 2025: 192 institutionsQ4 2025: 192 institutionsQ1 2026: 197 institutionsQ2 2026: 199 institutions
Value heldQ1 2025: $712.7M
Q1 2021: $487.9MQ2 2021: $661.5MQ3 2021: $582.9MQ4 2021: $745.9MQ1 2022: $754.7MQ2 2022: $801.2MQ3 2022: $930.6MQ4 2022: $903.1MQ1 2023: $1.02BQ2 2023: $1.25BQ3 2023: $976.5MQ4 2023: $900.4MQ1 2024: $738.1MQ2 2024: $636.2MQ3 2024: $841.4MQ4 2024: $661.9MQ1 2025: $712.7MQ2 2025: $580.1MQ3 2025: $677.5MQ4 2025: $590.9MQ1 2026: $446.1MQ2 2026: $395.6M
Institutions holding ERII and their total value by quarter
QuarterHoldersValue
Q2 2026199$395.6M
Q1 2026197$446.1M
Q4 2025192$590.9M
Q3 2025192$677.5M
Q2 2025186$580.1M
Q1 2025204$712.7M
Q4 2024189$661.9M
Q3 2024171$841.4M
Q2 2024174$636.2M
Q1 2024192$738.1M
Q4 2023192$900.4M
Q3 2023182$976.5M
Q2 2023186$1.25B
Q1 2023175$1.02B
Q4 2022174$903.1M
Q3 2022177$930.6M
Q2 2022165$801.2M
Q1 2022168$754.7M
Q4 2021162$745.9M
Q3 2021154$582.9M
Q2 2021158$661.5M
Q1 2021143$487.9M

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q4 2024.

Institutions holding ERII in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Brown Capital Management LLC2,595,951$41.2M1.24%−323,502−11.1%Reduced
Vanguard Group Inc3,494,872$55.5M0.00%+242,494+7.5%Added
Ameriprise Financial Inc5,138,893$81.7M0.02%+184,942+3.7%Added
BlackRock, Inc.5,994,038$95.2M0.00%+379,575+6.8%Added
Proequities, Inc.0$00.00%−100−100.0%Sold out
Wellington Management Group LLP0$00.00%−146,024−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−61,851−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−59,800−100.0%Sold out
Alps Advisors Inc0$00.00%−21,850−100.0%Sold out
Fox Run Management, L.L.C.0$00.00%−20,728−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−18,691−100.0%Sold out
Dynamic Technology Lab Private Ltd0$00.00%−15,924−100.0%Sold out
Versor Investments LP0$00.00%−14,376−100.0%Sold out
LPL Financial LLC0$00.00%−13,358−100.0%Sold out
Schroder Investment Management Group0$00.00%−10,873−100.0%Sold out
Steward Partners Investment Advisory, LLC0$00.00%−1,425−100.0%Sold out
Catalyst Capital Advisors LLC0$00.00%−1,341−100.0%Sold out
Quarry LP0$00.00%−1,073−100.0%Sold out
Clear Street Markets LLC0$00.00%−668−100.0%Sold out
R Squared Ltd0$00.00%−630−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−295−100.0%Sold out
Venturi Wealth Management, LLC0$00.00%−260−100.0%Sold out
True Wealth Design, LLC0$00.00%−9−100.0%Sold out
IFP Advisors, Inc0$00.00%−6−100.0%Sold out
Nuveen Asset Management, LLC––––Not filed
Keene & Associates, Inc.––––Not filed
RE Dickinson Investment Advisors, LLC––––Not filed