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, Q2 2026
Institutional positions in Energy Recovery, Inc. as of Jun 30, 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
- 199
- +4 vs. Q1 2026
- Shares held
- 43.9M
- −398.4K (−0.9%) vs. Q1 2026
- Total value
- $395.6M
- −$50.2M (−11.3%) vs. Q1 2026
- New holders
- 41
- 81 more added
- Sold out
- 37
- 45 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Energy Recovery, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −514,102−100.0% | Sold out |
| Select Equity Group, L.P. | 0 | $0 | 0.00% | −394,208−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −322,341−100.0% | Sold out |
| Redmond Asset Management, LLC | 0 | $0 | 0.00% | −214,380−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −144,265−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −135,968−100.0% | Sold out |
| Conestoga Capital Advisors, LLC | 0 | $0 | 0.00% | −133,725−100.0% | Sold out |
| Essex Investment Management Co LLC | 0 | $0 | 0.00% | −132,322−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −76,500−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −56,479−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −53,213−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −53,126−100.0% | Sold out |
| Connective Capital Management, LLC | 0 | $0 | 0.00% | −49,026−100.0% | Sold out |
| Shelton Capital Management | 0 | $0 | 0.00% | −46,385−100.0% | Sold out |
| DnB Asset Management AS | 0 | $0 | 0.00% | −37,395−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −34,486−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −33,559−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −25,731−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −24,100−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −21,067−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −16,280−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −14,640−100.0% | Sold out |
| Mirabella Financial Services LLP | 0 | $0 | 0.00% | −14,362−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −14,004−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −13,985−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −13,960−100.0% | Sold out |
| Premier Fund Managers Ltd | 0 | $0 | 0.00% | −4,314−100.0% | Sold out |
| Essential Partners LLC | 0 | $0 | 0.00% | −226−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −150−100.0% | Sold out |
| Northwestern Mutual Wealth Management Co | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Zions Bancorporation, National Association | 0 | $0 | 0.00% | −63−100.0% | Sold out |
| Investors Portfolio Services LLC | 0 | $0 | 0.00% | −58−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −23−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −16−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |