ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 180 filers reported holding ENERGY RECOVERY INC in Q3 2023. The put-call ratio across all filers is 0.48 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $677,533 | -14.5% | 31,944 | +12.7% | 0.10% | -5.7% |
| Q2 2023 | $792,215 | +21.3% | 28,344 | 0.0% | 0.11% | +24.7% |
| Q1 2023 | $653,330 | +12.5% | 28,344 | 0.0% | 0.08% | 0.0% |
| Q4 2022 | $580,769 | -5.7% | 28,344 | 0.0% | 0.08% | -20.6% |
| Q3 2022 | $616,000 | +12.0% | 28,344 | 0.0% | 0.11% | +13.8% |
| Q2 2022 | $550,000 | -3.7% | 28,344 | 0.0% | 0.09% | +14.6% |
| Q1 2022 | $571,000 | -6.2% | 28,344 | 0.0% | 0.08% | +2.5% |
| Q4 2021 | $609,000 | +13.0% | 28,344 | 0.0% | 0.08% | +8.1% |
| Q3 2021 | $539,000 | -51.6% | 28,344 | -42.0% | 0.07% | -51.6% |
| Q2 2021 | $1,113,000 | +24.2% | 48,875 | 0.0% | 0.15% | +15.0% |
| Q1 2021 | $896,000 | +34.3% | 48,875 | 0.0% | 0.13% | +29.1% |
| Q4 2020 | $667,000 | +89.5% | 48,875 | +13.7% | 0.10% | +87.3% |
| Q3 2020 | $352,000 | +128.6% | 42,975 | +112.0% | 0.06% | +161.9% |
| Q2 2020 | $154,000 | -63.2% | 20,275 | -64.0% | 0.02% | -68.7% |
| Q1 2020 | $419,000 | -24.0% | 56,275 | 0.0% | 0.07% | +11.7% |
| Q4 2019 | $551,000 | +40.6% | 56,275 | +33.0% | 0.06% | +30.4% |
| Q3 2019 | $392,000 | +16.0% | 42,315 | +30.6% | 0.05% | +7.0% |
| Q2 2019 | $338,000 | +91.0% | 32,405 | +59.8% | 0.04% | +87.0% |
| Q1 2019 | $177,000 | -30.6% | 20,275 | -35.9% | 0.02% | -41.0% |
| Q4 2018 | $255,000 | -51.0% | 31,613 | -45.6% | 0.04% | -47.3% |
| Q3 2018 | $520,000 | +103.9% | 58,063 | +83.7% | 0.07% | +89.7% |
| Q2 2018 | $255,000 | +52.7% | 31,613 | +55.9% | 0.04% | +44.4% |
| Q1 2018 | $167,000 | +138.6% | 20,275 | +154.2% | 0.03% | +170.0% |
| Q4 2017 | $70,000 | +11.1% | 7,975 | 0.0% | 0.01% | 0.0% |
| Q3 2017 | $63,000 | -78.7% | 7,975 | -77.6% | 0.01% | -78.7% |
| Q2 2017 | $296,000 | -0.3% | 35,670 | 0.0% | 0.05% | 0.0% |
| Q1 2017 | $297,000 | -10.8% | 35,670 | -72.3% | 0.05% | -11.3% |
| Q1 2015 | $333,000 | -37.9% | 128,585 | +26.4% | 0.05% | -19.7% |
| Q4 2014 | $536,000 | +235.0% | 101,725 | +125.7% | 0.07% | +214.3% |
| Q3 2014 | $160,000 | -49.2% | 45,070 | -29.7% | 0.02% | -50.0% |
| Q2 2014 | $315,000 | -7.6% | 64,070 | +0.0% | 0.04% | -23.6% |
| Q1 2014 | $341,000 | +34.8% | 64,050 | +40.8% | 0.06% | +41.0% |
| Q4 2013 | $253,000 | -23.1% | 45,500 | 0.0% | 0.04% | -30.4% |
| Q3 2013 | $329,000 | +75.0% | 45,500 | 0.0% | 0.06% | +60.0% |
| Q2 2013 | $188,000 | – | 45,500 | – | 0.04% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Trigran Investments, Inc. | 3,292,407 | $71,577,000 | 8.21% |
| Lagoda Investment Management, L.P. | 275,960 | $5,999,000 | 4.27% |
| ACK Asset Management | 717,400 | $15,596,000 | 4.13% |
| Avenir Corp | 1,721,164 | $37,418,000 | 3.97% |
| Montanaro Asset Management Ltd | 869,000 | $18,892,000 | 2.89% |
| Miura Global Management | 200,000 | $4,348,000 | 2.61% |
| EVR Research LP | 315,555 | $6,860,000 | 2.04% |
| SCHOLTZ & COMPANY, LLC | 129,895 | $2,686,000 | 1.92% |
| Mesirow Institutional Investment Management, Inc. | 516,095 | $11,220,000 | 1.63% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 458,532 | $9,968,000 | 1.59% |