ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 166 filers reported holding ENERGY RECOVERY INC in Q4 2021. The put-call ratio across all filers is 0.55 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2024 | $1,094,146 | -67.4% | 82,328 | -61.3% | 0.01% | -63.2% |
| Q1 2024 | $3,356,038 | +430.0% | 212,542 | +532.3% | 0.02% | +375.0% |
| Q4 2023 | $633,250 | -44.0% | 33,612 | -17.0% | 0.00% | -50.0% |
| Q2 2023 | $1,131,229 | +0.5% | 40,473 | -26.3% | 0.01% | +14.3% |
| Q4 2022 | $1,125,249 | +185.6% | 54,917 | +202.8% | 0.01% | +250.0% |
| Q3 2022 | $394,000 | -55.7% | 18,135 | -60.4% | 0.00% | -60.0% |
| Q2 2022 | $890,000 | -68.9% | 45,810 | -67.8% | 0.01% | -79.2% |
| Q1 2022 | $2,861,000 | +245.5% | 142,061 | +268.6% | 0.02% | +200.0% |
| Q4 2021 | $828,000 | +296.2% | 38,542 | +251.3% | 0.01% | +166.7% |
| Q3 2021 | $209,000 | -46.0% | 10,972 | -35.4% | 0.00% | -25.0% |
| Q2 2021 | $387,000 | -67.8% | 16,990 | -74.0% | 0.00% | -73.3% |
| Q1 2021 | $1,200,000 | +716.3% | 65,424 | +363.9% | 0.02% | +400.0% |
| Q2 2019 | $147,000 | +539.1% | 14,104 | +442.3% | 0.00% | +200.0% |
| Q2 2016 | $23,000 | – | 2,601 | – | 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% |