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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $6,106,721 | -73.2% | 287,917 | -64.6% | 0.00% | -80.0% |
| Q2 2023 | $22,760,384 | +13.2% | 814,325 | -6.6% | 0.01% | +25.0% |
| Q1 2023 | $20,104,441 | +11.7% | 872,210 | -0.7% | 0.00% | 0.0% |
| Q4 2022 | $17,995,280 | -13.7% | 878,247 | -8.5% | 0.00% | -20.0% |
| Q3 2022 | $20,864,000 | -1.3% | 959,714 | -11.8% | 0.01% | 0.0% |
| Q2 2022 | $21,133,000 | -9.3% | 1,088,239 | -5.9% | 0.01% | 0.0% |
| Q1 2022 | $23,300,000 | -8.2% | 1,156,931 | -2.0% | 0.01% | 0.0% |
| Q4 2021 | $25,369,000 | +2.4% | 1,180,459 | -9.3% | 0.01% | 0.0% |
| Q3 2021 | $24,779,000 | -17.4% | 1,302,097 | -1.2% | 0.01% | -16.7% |
| Q2 2021 | $30,007,000 | +24.8% | 1,317,270 | +0.5% | 0.01% | +20.0% |
| Q1 2021 | $24,044,000 | +32.8% | 1,311,027 | -1.2% | 0.01% | +25.0% |
| Q4 2020 | $18,101,000 | +81.6% | 1,327,000 | +9.2% | 0.00% | +100.0% |
| Q3 2020 | $9,968,000 | +3.0% | 1,215,541 | -4.6% | 0.00% | -33.3% |
| Q2 2020 | $9,677,000 | -8.0% | 1,274,014 | -9.9% | 0.00% | 0.0% |
| Q1 2020 | $10,522,000 | -27.0% | 1,414,069 | -3.9% | 0.00% | -25.0% |
| Q4 2019 | $14,411,000 | +11.3% | 1,471,989 | +5.3% | 0.00% | 0.0% |
| Q3 2019 | $12,947,000 | +157.2% | 1,397,304 | +189.3% | 0.00% | +300.0% |
| Q2 2019 | $5,033,000 | +144.6% | 482,965 | +104.9% | 0.00% | 0.0% |
| Q1 2019 | $2,058,000 | +64.5% | 235,678 | +26.7% | 0.00% | – |
| Q4 2018 | $1,251,000 | +2.8% | 185,978 | +36.8% | 0.00% | – |
| Q3 2018 | $1,217,000 | +17.2% | 135,969 | +5.8% | 0.00% | – |
| Q2 2018 | $1,038,000 | -5.5% | 128,489 | -3.8% | 0.00% | – |
| Q1 2018 | $1,098,000 | -3.1% | 133,570 | +3.2% | 0.00% | – |
| Q4 2017 | $1,133,000 | +18.4% | 129,486 | +6.9% | 0.00% | – |
| Q3 2017 | $957,000 | -3.1% | 121,127 | +1.6% | 0.00% | – |
| Q2 2017 | $988,000 | -41.3% | 119,224 | -41.1% | 0.00% | – |
| Q1 2017 | $1,684,000 | -28.8% | 202,328 | -11.5% | 0.00% | -100.0% |
| Q4 2016 | $2,366,000 | -37.2% | 228,536 | -3.1% | 0.00% | 0.0% |
| Q3 2016 | $3,767,000 | +282.4% | 235,755 | +112.7% | 0.00% | – |
| Q2 2016 | $985,000 | -18.1% | 110,836 | -4.7% | 0.00% | – |
| Q1 2016 | $1,203,000 | +294.4% | 116,327 | +169.6% | 0.00% | – |
| Q4 2015 | $305,000 | +214.4% | 43,142 | -5.6% | 0.00% | – |
| Q3 2015 | $97,000 | -22.4% | 45,681 | +0.4% | 0.00% | – |
| Q2 2015 | $125,000 | -71.5% | 45,519 | -73.0% | 0.00% | – |
| Q1 2015 | $438,000 | -55.2% | 168,856 | -9.0% | 0.00% | – |
| Q4 2014 | $978,000 | +48.0% | 185,560 | -0.6% | 0.00% | – |
| Q3 2014 | $661,000 | -66.1% | 186,667 | -52.9% | 0.00% | – |
| Q2 2014 | $1,950,000 | +94.6% | 396,420 | +110.6% | 0.00% | – |
| Q1 2014 | $1,002,000 | -9.0% | 188,268 | -5.2% | 0.00% | – |
| Q4 2013 | $1,101,000 | -62.7% | 198,522 | -51.2% | 0.00% | – |
| Q3 2013 | $2,948,000 | +259.5% | 407,186 | +105.1% | 0.00% | – |
| Q2 2013 | $820,000 | – | 198,542 | – | 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% |