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 | ||||
|---|---|---|---|---|---|---|
| Q2 2022 | $36,000 | -28.0% | 1,862 | -25.5% | 0.02% | -14.8% |
| Q1 2022 | $50,000 | -7.4% | 2,500 | 0.0% | 0.03% | -10.0% |
| Q4 2021 | $54,000 | -45.5% | 2,500 | -51.9% | 0.03% | -50.0% |
| Q3 2021 | $99,000 | -27.7% | 5,200 | -13.3% | 0.06% | -28.6% |
| Q2 2021 | $137,000 | -57.1% | 6,000 | -65.5% | 0.08% | -57.4% |
| Q1 2021 | $319,000 | -52.7% | 17,400 | -64.8% | 0.20% | -56.2% |
| Q4 2020 | $674,000 | +21.9% | 49,433 | -26.7% | 0.45% | +4.4% |
| Q3 2020 | $553,000 | +5.5% | 67,400 | -2.3% | 0.43% | +5.9% |
| Q2 2020 | $524,000 | -0.4% | 69,000 | -2.3% | 0.41% | -6.9% |
| Q1 2020 | $526,000 | -27.2% | 70,650 | -4.3% | 0.44% | +5.3% |
| Q4 2019 | $723,000 | +4.9% | 73,800 | -0.8% | 0.42% | +3.0% |
| Q3 2019 | $689,000 | -18.9% | 74,366 | -8.8% | 0.40% | -20.5% |
| Q2 2019 | $850,000 | +11.8% | 81,581 | -6.2% | 0.51% | +11.2% |
| Q1 2019 | $760,000 | +27.9% | 87,000 | -1.5% | 0.46% | +16.3% |
| Q4 2018 | $594,000 | -13.4% | 88,300 | +15.3% | 0.39% | -2.5% |
| Q3 2018 | $686,000 | +12.1% | 76,600 | +1.2% | 0.40% | +13.2% |
| Q2 2018 | $612,000 | -2.4% | 75,700 | -0.8% | 0.36% | -10.8% |
| Q1 2018 | $627,000 | +66.3% | 76,300 | +77.0% | 0.40% | +66.5% |
| Q4 2017 | $377,000 | +2.7% | 43,114 | -7.1% | 0.24% | +1.3% |
| Q3 2017 | $367,000 | +66.8% | 46,414 | +75.1% | 0.24% | +68.6% |
| Q2 2017 | $220,000 | – | 26,500 | – | 0.14% | – |
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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% |