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 | $3,360,364 | -39.9% | 158,433 | -20.8% | 0.00% | -50.0% |
| Q2 2023 | $5,588,436 | +16.6% | 199,944 | -3.9% | 0.01% | +20.0% |
| Q1 2023 | $4,794,584 | +54.5% | 208,008 | +37.4% | 0.01% | +66.7% |
| Q4 2022 | $3,102,842 | +94.7% | 151,432 | +106.6% | 0.00% | +50.0% |
| Q3 2022 | $1,594,000 | +19.6% | 73,310 | +6.8% | 0.00% | +100.0% |
| Q2 2022 | $1,333,000 | +37.7% | 68,650 | +42.8% | 0.00% | 0.0% |
| Q1 2022 | $968,000 | +0.8% | 48,081 | +7.7% | 0.00% | 0.0% |
| Q4 2021 | $960,000 | +5.5% | 44,650 | -6.6% | 0.00% | 0.0% |
| Q3 2021 | $910,000 | -16.1% | 47,820 | +0.6% | 0.00% | 0.0% |
| Q2 2021 | $1,084,000 | +44.0% | 47,552 | +15.9% | 0.00% | – |
| Q1 2021 | $753,000 | -1.4% | 41,032 | -26.8% | 0.00% | – |
| Q4 2020 | $764,000 | +153.0% | 56,049 | +52.1% | 0.00% | – |
| Q3 2020 | $302,000 | -1.9% | 36,858 | -9.1% | 0.00% | – |
| Q2 2020 | $308,000 | +118.4% | 40,566 | +114.6% | 0.00% | – |
| Q1 2020 | $141,000 | -33.8% | 18,901 | -13.1% | 0.00% | – |
| Q4 2019 | $213,000 | -2.3% | 21,758 | -7.9% | 0.00% | – |
| Q3 2019 | $218,000 | -10.7% | 23,630 | +0.5% | 0.00% | – |
| Q2 2019 | $244,000 | +27.1% | 23,519 | +6.3% | 0.00% | – |
| Q1 2019 | $192,000 | +60.0% | 22,115 | +23.9% | 0.00% | – |
| Q4 2018 | $120,000 | -3.2% | 17,848 | +29.0% | 0.00% | – |
| Q3 2018 | $124,000 | -36.1% | 13,837 | -42.4% | 0.00% | – |
| Q2 2018 | $194,000 | -31.0% | 24,008 | -29.9% | 0.00% | – |
| Q1 2018 | $281,000 | -55.1% | 34,263 | -52.1% | 0.00% | – |
| Q4 2017 | $626,000 | +100.0% | 71,585 | +80.9% | 0.00% | – |
| Q3 2017 | $313,000 | +89.7% | 39,572 | +98.1% | 0.00% | – |
| Q2 2017 | $165,000 | -7.8% | 19,977 | -7.2% | 0.00% | – |
| Q1 2017 | $179,000 | -74.2% | 21,527 | -67.9% | 0.00% | -100.0% |
| Q4 2016 | $694,000 | -21.0% | 67,060 | +21.7% | 0.00% | 0.0% |
| Q3 2016 | $879,000 | +85.8% | 55,096 | +3.6% | 0.00% | 0.0% |
| Q2 2016 | $473,000 | -73.8% | 53,166 | -69.5% | 0.00% | -50.0% |
| Q1 2016 | $1,803,000 | +762.7% | 174,328 | +490.4% | 0.00% | – |
| Q4 2015 | $209,000 | +646.4% | 29,529 | +129.6% | 0.00% | – |
| Q3 2015 | $28,000 | -89.0% | 12,859 | -86.1% | 0.00% | – |
| Q2 2015 | $254,000 | +209.8% | 92,542 | +191.5% | 0.00% | – |
| Q1 2015 | $82,000 | -34.4% | 31,748 | +33.5% | 0.00% | – |
| Q4 2014 | $125,000 | -11.3% | 23,783 | -40.4% | 0.00% | – |
| Q3 2014 | $141,000 | -55.7% | 39,885 | -38.3% | 0.00% | – |
| Q2 2014 | $318,000 | -46.1% | 64,673 | -41.7% | 0.00% | -100.0% |
| Q1 2014 | $590,000 | +35.6% | 110,909 | +41.4% | 0.00% | – |
| Q4 2013 | $435,000 | +47.5% | 78,418 | +92.6% | 0.00% | – |
| Q3 2013 | $295,000 | +79.9% | 40,718 | +2.5% | 0.00% | – |
| Q2 2013 | $164,000 | -5.2% | 39,715 | -14.9% | 0.00% | – |
| Q1 2013 | $173,000 | – | 46,664 | – | 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% |