ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 112 filers reported holding ENERGY RECOVERY INC in Q4 2020. The put-call ratio across all filers is 0.13 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $522,996 | -27.9% | 24,658 | -5.0% | 0.01% | -25.0% |
| Q2 2023 | $725,526 | +19.0% | 25,958 | -1.9% | 0.01% | +14.3% |
| Q1 2023 | $609,857 | +12.0% | 26,458 | -0.4% | 0.01% | +16.7% |
| Q4 2022 | $544,419 | -5.8% | 26,570 | 0.0% | 0.01% | -25.0% |
| Q3 2022 | $578,000 | +12.0% | 26,570 | 0.0% | 0.01% | +33.3% |
| Q2 2022 | $516,000 | -48.6% | 26,570 | -46.7% | 0.01% | -45.5% |
| Q1 2022 | $1,003,000 | -6.3% | 49,820 | 0.0% | 0.01% | 0.0% |
| Q4 2021 | $1,071,000 | +13.0% | 49,820 | 0.0% | 0.01% | 0.0% |
| Q3 2021 | $948,000 | -26.5% | 49,820 | -12.0% | 0.01% | -26.7% |
| Q2 2021 | $1,290,000 | -1.5% | 56,613 | -20.7% | 0.02% | -11.8% |
| Q1 2021 | $1,310,000 | +644.3% | 71,420 | +233.0% | 0.02% | +466.7% |
| Q3 2020 | $176,000 | +6.7% | 21,450 | -1.4% | 0.00% | 0.0% |
| Q2 2020 | $165,000 | -47.1% | 21,750 | -48.2% | 0.00% | -50.0% |
| Q1 2020 | $312,000 | -31.7% | 41,950 | -10.2% | 0.01% | -14.3% |
| Q4 2019 | $457,000 | -20.0% | 46,700 | -24.1% | 0.01% | -30.0% |
| Q3 2019 | $571,000 | -17.4% | 61,550 | -7.2% | 0.01% | -23.1% |
| Q2 2019 | $691,000 | +15.0% | 66,350 | -3.6% | 0.01% | +30.0% |
| Q1 2019 | $601,000 | +25.2% | 68,850 | -3.5% | 0.01% | +11.1% |
| Q4 2018 | $480,000 | -23.8% | 71,350 | +1.3% | 0.01% | -18.2% |
| Q3 2018 | $630,000 | +8.2% | 70,400 | -2.2% | 0.01% | 0.0% |
| Q2 2018 | $582,000 | -0.3% | 72,000 | +1.4% | 0.01% | -8.3% |
| Q1 2018 | $584,000 | -14.9% | 71,000 | -9.4% | 0.01% | -14.3% |
| Q4 2017 | $686,000 | -0.6% | 78,400 | -10.3% | 0.01% | 0.0% |
| Q3 2017 | $690,000 | +14.4% | 87,400 | +20.1% | 0.01% | 0.0% |
| Q2 2017 | $603,000 | +35.5% | 72,800 | +36.1% | 0.01% | +27.3% |
| Q1 2017 | $445,000 | -19.5% | 53,500 | 0.0% | 0.01% | -15.4% |
| Q4 2016 | $553,000 | -35.2% | 53,500 | 0.0% | 0.01% | -38.1% |
| Q3 2016 | $854,000 | +83.3% | 53,500 | +1.9% | 0.02% | +50.0% |
| Q2 2016 | $466,000 | -40.3% | 52,500 | -30.5% | 0.01% | -41.7% |
| Q1 2016 | $780,000 | +44.4% | 75,500 | -1.3% | 0.02% | +33.3% |
| Q4 2015 | $540,000 | +162.1% | 76,500 | -20.7% | 0.02% | +157.1% |
| Q3 2015 | $206,000 | -22.0% | 96,500 | 0.0% | 0.01% | -22.2% |
| Q2 2015 | $264,000 | +6.0% | 96,500 | 0.0% | 0.01% | +12.5% |
| Q1 2015 | $249,000 | -37.8% | 96,500 | +27.0% | 0.01% | -38.5% |
| Q4 2014 | $400,000 | +53.3% | 76,000 | +2.7% | 0.01% | +44.4% |
| Q3 2014 | $261,000 | -27.7% | 74,000 | +0.7% | 0.01% | -25.0% |
| Q2 2014 | $361,000 | +86.1% | 73,500 | +101.4% | 0.01% | +71.4% |
| Q1 2014 | $194,000 | – | 36,500 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Miura Global Management | 260,000 | $5,514,600 | 3.77% |
| Avenir Corp | 1,780,540 | $37,765,245 | 3.54% |
| Lagoda Investment Management, L.P. | 228,595 | $4,848,500 | 3.18% |
| Montanaro Asset Management Ltd | 848,250 | $17,991,383 | 3.16% |
| Trigran Investments, Inc. | 1,333,585 | $28,285,338 | 3.01% |
| ACK Asset Management | 877,400 | $18,610 | 2.70% |
| Sargent Investment Group, LLC | 353,095 | $7,489,145 | 1.80% |
| Pembroke Management, LTD | 548,031 | $11,623,738 | 1.59% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 378,234 | $8,022,343 | 1.31% |
| Mesirow Institutional Investment Management, Inc. | 592,076 | $12,557,932 | 1.27% |