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 2026
Institutional positions in Energy Recovery, Inc. as of Mar 31, 2026. 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
- 197
- +8 vs. Q4 2025
- Shares held
- 44.3M
- +4.36M (+10.9%) vs. Q4 2025
- Total value
- $446.1M
- −$92.8M (−17.2%) vs. Q4 2025
- New holders
- 43
- 67 more added
- Sold out
- 35
- 64 more reduced
3 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 199 | $395.6M |
| Q1 2026 | 197 | $446.1M |
| Q4 2025 | 192 | $590.9M |
| Q3 2025 | 192 | $677.5M |
| Q2 2025 | 186 | $580.1M |
| Q1 2025 | 204 | $712.7M |
| Q4 2024 | 189 | $661.9M |
| Q3 2024 | 171 | $841.4M |
| Q2 2024 | 174 | $636.2M |
| Q1 2024 | 192 | $738.1M |
| Q4 2023 | 192 | $900.4M |
| Q3 2023 | 182 | $976.5M |
| Q2 2023 | 186 | $1.25B |
| Q1 2023 | 175 | $1.02B |
| Q4 2022 | 174 | $903.1M |
| Q3 2022 | 177 | $930.6M |
| Q2 2022 | 165 | $801.2M |
| Q1 2022 | 168 | $754.7M |
| Q4 2021 | 162 | $745.9M |
| Q3 2021 | 154 | $582.9M |
| Q2 2021 | 158 | $661.5M |
| Q1 2021 | 143 | $487.9M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wellington Management Group LLP | 0 | $0 | 0.00% | −300,618−100.0% | Sold out |
| Falcon Edge Capital, LP | 0 | $0 | 0.00% | −265,121−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −220,116−100.0% | Sold out |
| Montanaro Asset Management Ltd | 0 | $0 | 0.00% | −128,160−100.0% | Sold out |
| Candriam Luxembourg S.C.A. | 0 | $0 | 0.00% | −119,714−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −113,863−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −39,786−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −39,182−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −38,412−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −34,405−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −33,585−100.0% | Sold out |
| Van Eck Associates Corp | 0 | $0 | 0.00% | −27,295−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −24,128−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −23,549−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −20,658−100.0% | Sold out |
| Evergreen Capital Management LLC | 0 | $0 | 0.00% | −17,449−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −14,654−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −14,340−100.0% | Sold out |
| Wealth Enhancement Advisory Services, LLC | 0 | $0 | 0.00% | −12,610−100.0% | Sold out |
| PDT Partners, LLC | 0 | $0 | 0.00% | −12,400−100.0% | Sold out |
| Groupe la Francaise | 0 | $0 | 0.00% | −12,000−100.0% | Sold out |
| Legacy Capital Group California, Inc. | 0 | $0 | 0.00% | −10,413−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −10,313−100.0% | Sold out |
| Ballentine Partners, LLC | 0 | $0 | 0.00% | −10,215−100.0% | Sold out |
| Smithfield Trust Co | 0 | $0 | 0.00% | −6,700−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −1,932−100.0% | Sold out |
| Hantz Financial Services, Inc. | 0 | $0 | 0.00% | −1,931−100.0% | Sold out |
| Amalgamated Bank | 0 | $0 | 0.00% | −1,627−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Strive Financial Group ,LLC | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Larson Financial Group LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |