ENERGY RECOVERY INC's ticker is and the CUSIP is 29270J900. A total of 2 filers reported holding ENERGY RECOVERY INC in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $4 | -88.2% | 200 | -88.2% | 0.00% | – |
| Q4 2022 | $34 | -100.0% | 1,700 | -84.8% | 0.00% | – |
| Q3 2022 | $243,000 | +89.8% | 11,200 | +69.7% | 0.00% | – |
| Q2 2022 | $128,000 | +6.7% | 6,600 | +10.0% | 0.00% | – |
| Q1 2022 | $120,000 | -75.8% | 6,000 | -74.0% | 0.00% | -100.0% |
| Q4 2021 | $496,000 | -67.5% | 23,100 | -66.5% | 0.00% | 0.0% |
| Q3 2021 | $1,526,000 | +8.1% | 68,900 | +11.1% | 0.00% | 0.0% |
| Q2 2021 | $1,412,000 | – | 62,000 | +12033.1% | 0.00% | – |
| Q1 2021 | $0 | -100.0% | 511 | +74.4% | 0.00% | -100.0% |
| Q4 2020 | $399,000 | +31.7% | 293 | -20.8% | 0.00% | – |
| Q3 2020 | $303,000 | +877.4% | 370 | +802.4% | 0.00% | – |
| Q2 2020 | $31,000 | +1450.0% | 41 | +1266.7% | 0.00% | – |
| Q1 2020 | $2,000 | -95.3% | 3 | -93.2% | 0.00% | – |
| Q4 2019 | $43,000 | +79.2% | 44 | +69.2% | 0.00% | – |
| Q3 2019 | $24,000 | -4.0% | 26 | +8.3% | 0.00% | – |
| Q2 2019 | $25,000 | -10.7% | 24 | -27.3% | 0.00% | – |
| Q1 2019 | $28,000 | +2700.0% | 33 | +1550.0% | 0.00% | – |
| Q4 2018 | $1,000 | -92.9% | 2 | -87.5% | 0.00% | – |
| Q3 2018 | $14,000 | -53.3% | 16 | -57.9% | 0.00% | – |
| Q2 2018 | $30,000 | +233.3% | 38 | -57.3% | 0.00% | – |
| Q1 2018 | $9,000 | +200.0% | 89 | +229.6% | 0.00% | – |
| Q4 2017 | $3,000 | 0.0% | 27 | -48.1% | 0.00% | – |
| Q3 2017 | $3,000 | +200.0% | 52 | -20.0% | 0.00% | – |
| Q2 2017 | $1,000 | -94.4% | 65 | -86.7% | 0.00% | -100.0% |
| Q1 2017 | $18,000 | +800.0% | 487 | +818.9% | 0.00% | – |
| Q4 2016 | $2,000 | -91.7% | 53 | -24.3% | 0.00% | -100.0% |
| Q3 2016 | $24,000 | +700.0% | 70 | +141.4% | 0.00% | – |
| Q2 2016 | $3,000 | -83.3% | 29 | -65.1% | 0.00% | -100.0% |
| Q1 2016 | $18,000 | +63.6% | 83 | -65.3% | 0.00% | 0.0% |
| Q4 2015 | $11,000 | – | 239 | +1493.3% | 0.00% | – |
| Q3 2015 | $0 | – | 15 | +36.4% | 0.00% | – |
| Q2 2015 | $0 | – | 11 | -8.3% | 0.00% | – |
| Q1 2015 | $0 | -100.0% | 12 | -40.0% | 0.00% | – |
| Q4 2014 | $4,000 | – | 20 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| GROUP ONE TRADING, L.P. | 21,300 | $220,000 | 0.00% |
| SIMPLEX TRADING, LLC | 53 | $2,000 | 0.00% |