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 | ||||
|---|---|---|---|---|---|---|
| Q4 2023 | $43,332 | -11.2% | 2,300 | 0.0% | 0.03% | -16.2% |
| Q3 2023 | $48,783 | -24.1% | 2,300 | 0.0% | 0.04% | -21.3% |
| Q2 2023 | $64,285 | +121192.5% | 2,300 | 0.0% | 0.05% | +14.6% |
| Q1 2023 | $53 | +12.8% | 2,300 | 0.0% | 0.04% | +17.1% |
| Q4 2022 | $47 | -99.9% | 2,300 | 0.0% | 0.04% | -14.6% |
| Q3 2022 | $50,000 | +11.1% | 2,300 | 0.0% | 0.04% | +17.1% |
| Q2 2022 | $45,000 | +15.4% | 2,300 | +27.8% | 0.04% | +40.0% |
| Q1 2022 | $39,000 | 0.0% | 1,800 | 0.0% | 0.02% | 0.0% |
| Q4 2021 | $39,000 | +14.7% | 1,800 | 0.0% | 0.02% | +8.7% |
| Q3 2021 | $34,000 | -34.6% | 1,800 | -21.7% | 0.02% | -32.4% |
| Q2 2021 | $52,000 | +116.7% | 2,300 | +76.9% | 0.03% | +100.0% |
| Q1 2021 | $24,000 | -59.3% | 1,300 | -69.8% | 0.02% | -59.5% |
| Q4 2020 | $59,000 | +84.4% | 4,300 | 0.0% | 0.04% | +27.3% |
| Q1 2020 | $32,000 | -23.8% | 4,300 | 0.0% | 0.03% | +3.1% |
| Q4 2019 | $42,000 | +5.0% | 4,300 | 0.0% | 0.03% | 0.0% |
| Q3 2019 | $40,000 | -11.1% | 4,300 | 0.0% | 0.03% | -20.0% |
| Q2 2019 | $45,000 | +18.4% | 4,300 | 0.0% | 0.04% | +11.1% |
| Q1 2019 | $38,000 | +31.0% | 4,300 | 0.0% | 0.04% | +16.1% |
| Q4 2018 | $29,000 | -23.7% | 4,300 | 0.0% | 0.03% | 0.0% |
| Q3 2018 | $38,000 | +8.6% | 4,300 | 0.0% | 0.03% | 0.0% |
| Q2 2018 | $35,000 | 0.0% | 4,300 | 0.0% | 0.03% | +6.9% |
| Q1 2018 | $35,000 | +20.7% | 4,300 | +30.3% | 0.03% | +20.8% |
| Q4 2017 | $29,000 | +11.5% | 3,300 | 0.0% | 0.02% | +9.1% |
| Q3 2017 | $26,000 | -3.7% | 3,300 | 0.0% | 0.02% | -8.3% |
| Q2 2017 | $27,000 | 0.0% | 3,300 | 0.0% | 0.02% | 0.0% |
| Q1 2017 | $27,000 | – | 3,300 | – | 0.02% | – |
Download | ||||||
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% |