ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 122 filers reported holding ENERGY RECOVERY INC in Q4 2017. The put-call ratio across all filers is 0.55 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $2,007 | -99.8% | 151 | -99.7% | 0.00% | -100.0% |
| Q1 2024 | $844,327 | -76.0% | 53,472 | -71.4% | 0.00% | -83.3% |
| Q4 2023 | $3,525,369 | -4.5% | 187,121 | +7.5% | 0.01% | -14.3% |
| Q3 2023 | $3,690,919 | +72.1% | 174,017 | +126.8% | 0.01% | +75.0% |
| Q2 2023 | $2,144,322 | +43.5% | 76,720 | +18.4% | 0.00% | +33.3% |
| Q1 2023 | $1,494,099 | +45.9% | 64,820 | +29.7% | 0.00% | +50.0% |
| Q4 2022 | $1,023,884 | +1362.7% | 49,970 | +1203.7% | 0.00% | – |
| Q1 2021 | $70,000 | +6.1% | 3,833 | -23.8% | 0.00% | – |
| Q4 2020 | $66,000 | -92.9% | 5,031 | -95.5% | 0.00% | -100.0% |
| Q3 2020 | $925,000 | -14.3% | 112,980 | -19.8% | 0.00% | 0.0% |
| Q2 2020 | $1,079,000 | +1861.8% | 140,812 | +1777.5% | 0.00% | – |
| Q1 2020 | $55,000 | -67.8% | 7,500 | -60.8% | 0.00% | – |
| Q4 2017 | $171,000 | +34.6% | 19,149 | +56.2% | 0.00% | – |
| Q4 2016 | $127,000 | – | 12,257 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ANCHOR CAPITAL MANAGEMENT COMPANY, LLC | 420,081 | $5,582,876 | 5.92% |
| Alpha Wave Global, LP | 607,123 | $8,068,665 | 2.64% |
| Avenir Corp | 1,326,609 | $17,630,629 | 1.71% |
| Montanaro Asset Management Ltd | 507,000 | $6,738,030 | 1.26% |
| Roubaix Capital, LLC | 138,534 | $1,841,117 | 1.16% |
| Brown Capital Management | 3,821,624 | $50,789,383 | 1.03% |
| Sargent Investment Group, LLC | 313,779 | $4,170,123 | 0.85% |
| Lagoda Investment Management, L.P. | 105,200 | $1,398,108 | 0.80% |
| Redmond Asset Management, LLC | 170,104 | $2,260,682 | 0.74% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 244,688 | $3,251,904 | 0.61% |