ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 192 filers reported holding ENERGY RECOVERY INC in Q4 2023. The put-call ratio across all filers is 0.13 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $1,329 | -15.8% | 100 | 0.0% | 0.00% | – |
| Q1 2024 | $1,579 | -16.2% | 100 | 0.0% | 0.00% | – |
| Q4 2023 | $1,884 | -11.1% | 100 | 0.0% | 0.00% | – |
| Q3 2023 | $2,120 | -24.2% | 100 | 0.0% | 0.00% | – |
| Q2 2023 | $2,795 | +21.3% | 100 | 0.0% | 0.00% | – |
| Q1 2023 | $2,304 | +12.5% | 100 | 0.0% | 0.00% | – |
| Q4 2022 | $2,048 | +2.4% | 100 | 0.0% | 0.00% | – |
| Q3 2022 | $2,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q2 2022 | $2,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q1 2022 | $2,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q4 2021 | $2,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q3 2021 | $2,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q2 2021 | $2,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q1 2021 | $2,000 | +100.0% | 100 | 0.0% | 0.00% | – |
| Q4 2020 | $1,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q3 2020 | $1,000 | 0.0% | 100 | 0.0% | 0.00% | – |
| Q2 2020 | $1,000 | -93.8% | 100 | -95.2% | 0.00% | -100.0% |
| Q1 2020 | $16,000 | -23.8% | 2,099 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $21,000 | +10.5% | 2,099 | 0.0% | 0.00% | 0.0% |
| Q3 2019 | $19,000 | -13.6% | 2,099 | 0.0% | 0.00% | 0.0% |
| Q2 2019 | $22,000 | +22.2% | 2,099 | 0.0% | 0.00% | 0.0% |
| Q1 2019 | $18,000 | +28.6% | 2,099 | 0.0% | 0.00% | – |
| Q4 2018 | $14,000 | -26.3% | 2,099 | 0.0% | 0.00% | -100.0% |
| Q3 2018 | $19,000 | +11.8% | 2,099 | 0.0% | 0.00% | 0.0% |
| Q2 2018 | $17,000 | 0.0% | 2,099 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $17,000 | -5.6% | 2,099 | -0.0% | 0.00% | 0.0% |
| Q4 2017 | $18,000 | +5.9% | 2,100 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $17,000 | 0.0% | 2,100 | 0.0% | 0.00% | 0.0% |
| Q2 2017 | $17,000 | 0.0% | 2,100 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $17,000 | -22.7% | 2,100 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $22,000 | -35.3% | 2,100 | 0.0% | 0.00% | 0.0% |
| Q3 2016 | $34,000 | +78.9% | 2,100 | 0.0% | 0.00% | 0.0% |
| Q2 2016 | $19,000 | -26.9% | 2,100 | -16.0% | 0.00% | 0.0% |
| Q1 2016 | $26,000 | +23.8% | 2,500 | -15.8% | 0.00% | 0.0% |
| Q4 2015 | $21,000 | +110.0% | 2,970 | -39.0% | 0.00% | – |
| Q3 2015 | $10,000 | -64.3% | 4,870 | -53.2% | 0.00% | -100.0% |
| Q2 2015 | $28,000 | +27.3% | 10,400 | +22.4% | 0.00% | 0.0% |
| Q1 2015 | $22,000 | – | 8,500 | – | 0.00% | – |
Download | ||||||
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% |