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 2020 | $123,000 | -29.7% | 15,000 | -34.8% | 0.01% | -29.4% |
| Q2 2020 | $175,000 | -38.2% | 23,000 | -39.5% | 0.02% | -50.0% |
| Q1 2020 | $283,000 | -23.9% | 38,000 | 0.0% | 0.03% | +3.0% |
| Q4 2019 | $372,000 | +5.7% | 38,000 | 0.0% | 0.03% | -2.9% |
| Q3 2019 | $352,000 | -11.1% | 38,000 | 0.0% | 0.03% | -15.0% |
| Q2 2019 | $396,000 | +13.8% | 38,000 | -4.7% | 0.04% | +8.1% |
| Q1 2019 | $348,000 | +20.4% | 39,875 | -7.3% | 0.04% | 0.0% |
| Q4 2018 | $289,000 | -24.9% | 43,000 | 0.0% | 0.04% | -15.9% |
| Q3 2018 | $385,000 | +5.8% | 43,000 | -4.4% | 0.04% | -2.2% |
| Q2 2018 | $364,000 | -1.6% | 45,000 | 0.0% | 0.04% | -6.2% |
| Q1 2018 | $370,000 | -1.6% | 45,000 | +4.7% | 0.05% | +4.3% |
| Q4 2017 | $376,000 | +25.3% | 43,000 | +13.2% | 0.05% | +17.9% |
| Q3 2017 | $300,000 | -4.8% | 38,000 | 0.0% | 0.04% | -4.9% |
| Q2 2017 | $315,000 | -0.3% | 38,000 | 0.0% | 0.04% | -4.7% |
| Q1 2017 | $316,000 | -19.6% | 38,000 | 0.0% | 0.04% | -25.9% |
| Q4 2016 | $393,000 | -35.3% | 38,000 | 0.0% | 0.06% | -35.6% |
| Q3 2016 | $607,000 | +79.6% | 38,000 | 0.0% | 0.09% | +63.6% |
| Q2 2016 | $338,000 | -14.0% | 38,000 | 0.0% | 0.06% | -19.1% |
| Q1 2016 | $393,000 | +46.1% | 38,000 | 0.0% | 0.07% | +38.8% |
| Q4 2015 | $269,000 | +232.1% | 38,000 | 0.0% | 0.05% | +206.2% |
| Q3 2015 | $81,000 | -22.1% | 38,000 | 0.0% | 0.02% | -15.8% |
| Q2 2015 | $104,000 | +6.1% | 38,000 | 0.0% | 0.02% | +11.8% |
| Q1 2015 | $98,000 | -51.0% | 38,000 | 0.0% | 0.02% | -45.2% |
| Q4 2014 | $200,000 | +48.1% | 38,000 | 0.0% | 0.03% | +47.6% |
| Q3 2014 | $135,000 | -27.8% | 38,000 | 0.0% | 0.02% | -30.0% |
| Q2 2014 | $187,000 | -7.4% | 38,000 | 0.0% | 0.03% | -14.3% |
| Q1 2014 | $202,000 | -4.3% | 38,000 | 0.0% | 0.04% | -30.0% |
| Q4 2013 | $211,000 | -23.3% | 38,000 | 0.0% | 0.05% | -31.5% |
| Q3 2013 | $275,000 | +75.2% | 38,000 | 0.0% | 0.07% | +69.8% |
| Q2 2013 | $157,000 | – | 38,000 | – | 0.04% | – |
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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% |