ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 109 filers reported holding ENERGY RECOVERY INC in Q1 2018. The put-call ratio across all filers is 0.97 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $330,452 | +0.8% | 15,580 | +9.5% | 0.02% | +10.0% |
| Q1 2023 | $327,909 | -0.1% | 14,226 | -11.2% | 0.02% | +17.6% |
| Q4 2022 | $328,270 | -3.7% | 16,021 | +2.0% | 0.02% | +41.7% |
| Q3 2022 | $341,000 | +12.5% | 15,705 | +18.2% | 0.01% | +33.3% |
| Q2 2021 | $303,000 | -42.0% | 13,291 | -53.3% | 0.01% | -30.8% |
| Q1 2021 | $522,000 | +55.4% | 28,452 | +15.4% | 0.01% | +44.4% |
| Q4 2020 | $336,000 | +1360.9% | 24,657 | +780.6% | 0.01% | +800.0% |
| Q3 2020 | $23,000 | +187.5% | 2,800 | +154.5% | 0.00% | – |
| Q2 2020 | $8,000 | +166.7% | 1,100 | +175.0% | 0.00% | – |
| Q1 2020 | $3,000 | -92.3% | 400 | -90.4% | 0.00% | -100.0% |
| Q3 2019 | $39,000 | -67.2% | 4,167 | -63.5% | 0.00% | -66.7% |
| Q2 2019 | $119,000 | +15.5% | 11,427 | -25.7% | 0.01% | -14.3% |
| Q4 2018 | $103,000 | +1371.4% | 15,377 | +1782.1% | 0.01% | – |
| Q3 2018 | $7,000 | -86.0% | 817 | -86.7% | 0.00% | -100.0% |
| Q2 2018 | $50,000 | -35.1% | 6,153 | -34.2% | 0.00% | -50.0% |
| Q1 2018 | $77,000 | -87.3% | 9,347 | -86.5% | 0.01% | -87.8% |
| Q4 2017 | $607,000 | +10.8% | 69,293 | -0.1% | 0.05% | 0.0% |
| Q3 2017 | $548,000 | +119.2% | 69,397 | +187.6% | 0.05% | +63.3% |
| Q4 2016 | $250,000 | +8233.3% | 24,126 | +5842.4% | 0.03% | – |
| Q4 2015 | $3,000 | – | 406 | – | 0.00% | – |
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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% |