ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 142 filers reported holding ENERGY RECOVERY INC in Q1 2021. The put-call ratio across all filers is 0.63 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $8,821,684 | -30.8% | 415,921 | -8.8% | 0.00% | -25.0% |
| Q2 2023 | $12,752,019 | +24.5% | 456,244 | +2.7% | 0.00% | 0.0% |
| Q1 2023 | $10,244,272 | +41.7% | 444,437 | +26.0% | 0.00% | +33.3% |
| Q4 2022 | $7,228,790 | +3.4% | 352,796 | +9.8% | 0.00% | 0.0% |
| Q3 2022 | $6,988,000 | -0.3% | 321,417 | -11.0% | 0.00% | +50.0% |
| Q2 2022 | $7,012,000 | +3.3% | 361,081 | +7.1% | 0.00% | 0.0% |
| Q1 2022 | $6,791,000 | +1.6% | 337,231 | +8.4% | 0.00% | 0.0% |
| Q4 2021 | $6,685,000 | +28.6% | 311,068 | +13.8% | 0.00% | 0.0% |
| Q3 2021 | $5,200,000 | -11.2% | 273,237 | +6.3% | 0.00% | 0.0% |
| Q2 2021 | $5,854,000 | +113.6% | 256,999 | +72.0% | 0.00% | +100.0% |
| Q1 2021 | $2,740,000 | +244.2% | 149,392 | +155.8% | 0.00% | – |
| Q4 2020 | $796,000 | +110.6% | 58,411 | +26.9% | 0.00% | – |
| Q3 2020 | $378,000 | +93.8% | 46,034 | +79.7% | 0.00% | – |
| Q2 2020 | $195,000 | -3.5% | 25,614 | +14.5% | 0.00% | – |
| Q1 2020 | $202,000 | +46.4% | 22,374 | +59.3% | 0.00% | – |
| Q4 2019 | $138,000 | +30.2% | 14,043 | +22.5% | 0.00% | – |
| Q3 2019 | $106,000 | +6.0% | 11,466 | +20.0% | 0.00% | – |
| Q2 2019 | $100,000 | +53.8% | 9,554 | +28.2% | 0.00% | – |
| Q1 2019 | $65,000 | +30.0% | 7,455 | 0.0% | 0.00% | – |
| Q4 2018 | $50,000 | +8.7% | 7,455 | +44.4% | 0.00% | – |
| Q3 2018 | $46,000 | +9.5% | 5,161 | 0.0% | 0.00% | – |
| Q2 2018 | $42,000 | -17.6% | 5,161 | -16.4% | 0.00% | – |
| Q1 2018 | $51,000 | -34.6% | 6,175 | -29.9% | 0.00% | – |
| Q4 2017 | $78,000 | -10.3% | 8,814 | -20.4% | 0.00% | – |
| Q3 2017 | $87,000 | +14.5% | 11,068 | +20.7% | 0.00% | – |
| Q2 2017 | $76,000 | 0.0% | 9,170 | 0.0% | 0.00% | – |
| Q1 2017 | $76,000 | -21.6% | 9,170 | -1.7% | 0.00% | – |
| Q4 2016 | $97,000 | +38.6% | 9,326 | +112.0% | 0.00% | – |
| Q3 2016 | $70,000 | +84.2% | 4,400 | 0.0% | 0.00% | – |
| Q2 2016 | $38,000 | – | 4,400 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Tortoise Index Solutions, LLC | 17,231 | $43,490,773 | 7.60% |
| Trigran Investments, Inc. | 3,469,877 | $71,097,780 | 7.13% |
| Lagoda Investment Management, L.P. | 289,520 | $5,932,265 | 4.00% |
| Avenir Corp | 1,723,386 | $35,312,179 | 3.54% |
| Montanaro Asset Management Ltd | 879,000 | $18,010,710 | 2.93% |
| Miura Global Management | 280,000 | $5,737,200 | 2.89% |
| ACK Asset Management | 727,400 | $14,904 | 2.74% |
| SCHOLTZ & COMPANY, LLC | 129,545 | $2,654 | 1.88% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 458,560 | $9,396 | 1.46% |
| Mesirow Institutional Investment Management, Inc. | 502,150 | $10,289,054 | 1.35% |