ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 164 filers reported holding ENERGY RECOVERY INC in Q4 2021. The put-call ratio across all filers is 0.55 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,714,171 | +0.7% | 80,819 | +32.7% | 0.00% | 0.0% |
| Q2 2023 | $1,701,792 | -17.1% | 60,887 | -31.6% | 0.00% | 0.0% |
| Q1 2023 | $2,053,063 | -5.5% | 89,070 | -16.0% | 0.00% | 0.0% |
| Q4 2022 | $2,172,186 | -13.9% | 106,012 | -8.7% | 0.00% | -33.3% |
| Q3 2022 | $2,523,000 | +26.7% | 116,070 | +13.2% | 0.00% | +50.0% |
| Q2 2022 | $1,992,000 | -7.6% | 102,565 | -5.9% | 0.00% | 0.0% |
| Q1 2022 | $2,155,000 | -3.7% | 109,008 | +4.7% | 0.00% | 0.0% |
| Q4 2021 | $2,237,000 | +491.8% | 104,080 | +424.0% | 0.00% | – |
| Q3 2021 | $378,000 | -24.7% | 19,863 | -9.9% | 0.00% | – |
| Q2 2021 | $502,000 | +12.1% | 22,044 | -9.8% | 0.00% | – |
| Q1 2021 | $448,000 | +17.0% | 24,450 | -12.9% | 0.00% | – |
| Q4 2020 | $383,000 | +139.4% | 28,087 | +43.6% | 0.00% | – |
| Q3 2020 | $160,000 | -35.0% | 19,556 | -40.7% | 0.00% | – |
| Q1 2020 | $246,000 | +89.2% | 32,956 | +148.4% | 0.00% | – |
| Q4 2019 | $130,000 | +7.4% | 13,269 | +1.5% | 0.00% | – |
| Q3 2019 | $121,000 | – | 13,075 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Trigran Investments, Inc. | 5,520,408 | $41,928,000 | 8.21% |
| Avenir Corp | 1,576,727 | $11,975,000 | 1.36% |
| ELKHORN PARTNERS LIMITED PARTNERSHIP | 69,000 | $524,000 | 0.41% |
| 683 Capital Management, LLC | 520,000 | $3,950,000 | 0.32% |
| FNY Investment Advisers, LLC | 50,007 | $379,000 | 0.22% |
| Monarch Partners Asset Management LLC | 107,324 | $815,000 | 0.20% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 141,552 | $1,075,000 | 0.18% |
| HEARTLAND ADVISORS INC | 168,943 | $1,283,000 | 0.11% |
| Redmond Asset Management, LLC | 31,041 | $236,000 | 0.10% |
| NJ State Employees Deferred Compensation Plan | 59,000 | $448,000 | 0.08% |