ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 114 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 | $369,866 | +12.3% | 19,632 | +26.4% | 0.00% | – |
| Q3 2023 | $329,455 | -8.0% | 15,533 | +21.3% | 0.00% | – |
| Q2 2023 | $357,928 | -70.5% | 12,806 | -78.8% | 0.00% | -100.0% |
| Q1 2022 | $1,215,000 | -19.5% | 60,343 | -14.1% | 0.00% | 0.0% |
| Q4 2021 | $1,509,000 | +4.4% | 70,224 | -7.6% | 0.00% | 0.0% |
| Q3 2021 | $1,446,000 | -16.8% | 75,991 | -0.4% | 0.00% | 0.0% |
| Q2 2021 | $1,738,000 | +324.9% | 76,275 | +241.6% | 0.00% | – |
| Q1 2021 | $409,000 | -2.9% | 22,328 | -27.8% | 0.00% | – |
| Q4 2020 | $421,000 | +325.3% | 30,912 | +155.9% | 0.00% | – |
| Q3 2020 | $99,000 | +2.1% | 12,079 | -5.8% | 0.00% | – |
| Q2 2020 | $97,000 | -59.1% | 12,820 | -59.8% | 0.00% | – |
| Q1 2020 | $237,000 | -29.9% | 31,894 | -7.7% | 0.00% | – |
| Q4 2019 | $338,000 | -91.5% | 34,568 | -92.0% | 0.00% | -100.0% |
| Q3 2019 | $3,992,000 | -9.5% | 430,901 | +1.8% | 0.00% | 0.0% |
| Q2 2019 | $4,411,000 | +22.0% | 423,361 | +2.2% | 0.00% | +33.3% |
| Q1 2019 | $3,617,000 | +27.1% | 414,351 | -2.0% | 0.00% | 0.0% |
| Q4 2018 | $2,846,000 | -28.7% | 422,835 | -5.1% | 0.00% | -25.0% |
| Q3 2018 | $3,990,000 | +10.9% | 445,765 | +0.1% | 0.00% | +33.3% |
| Q2 2018 | $3,598,000 | +3.3% | 445,258 | +5.0% | 0.00% | 0.0% |
| Q1 2018 | $3,484,000 | -6.5% | 423,900 | -0.5% | 0.00% | 0.0% |
| Q4 2017 | $3,728,000 | +10.8% | 426,100 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $3,366,000 | -6.3% | 426,100 | -1.7% | 0.00% | -25.0% |
| Q2 2017 | $3,592,000 | -6.7% | 433,300 | -6.4% | 0.00% | -20.0% |
| Q1 2017 | $3,850,000 | -46.9% | 462,800 | -33.9% | 0.01% | -44.4% |
| Q4 2016 | $7,251,000 | +37.2% | 700,517 | +111.8% | 0.01% | +28.6% |
| Q3 2016 | $5,285,000 | – | 330,700 | – | 0.01% | – |
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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% |