ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 164 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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $72,849 | -41.1% | 3,435 | -22.3% | 0.00% | – |
| Q2 2023 | $123,588 | +25.1% | 4,422 | +3.1% | 0.00% | – |
| Q1 2023 | $98,810 | +1.9% | 4,287 | -10.1% | 0.00% | – |
| Q4 2022 | $97,000 | -51.3% | 4,770 | -48.1% | 0.00% | – |
| Q3 2022 | $199,000 | -3.4% | 9,193 | -13.5% | 0.00% | – |
| Q2 2022 | $206,000 | +17.0% | 10,623 | +21.7% | 0.00% | – |
| Q1 2022 | $176,000 | 0.0% | 8,731 | +6.9% | 0.00% | – |
| Q4 2021 | $176,000 | -3.8% | 8,170 | -14.5% | 0.00% | – |
| Q3 2021 | $183,000 | +22.0% | 9,555 | +44.6% | 0.00% | – |
| Q2 2021 | $150,000 | +28.2% | 6,609 | +4.1% | 0.00% | – |
| Q1 2021 | $117,000 | +42.7% | 6,347 | +6.4% | 0.00% | – |
| Q4 2020 | $82,000 | +70.8% | 5,967 | +4.6% | 0.00% | – |
| Q3 2020 | $48,000 | -44.8% | 5,704 | -49.9% | 0.00% | – |
| Q2 2020 | $87,000 | +278.3% | 11,393 | -84.7% | 0.00% | – |
| Q1 2020 | $23,000 | – | 74,447 | – | 0.00% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Tortoise Index Solutions, LLC | 17,231 | $43,490,773 | 7.60% |
| Trigran Investments, Inc. | 3,469,877 | $71,097,780 | 7.13% |
| Lagoda Investment Management, L.P. | 289,520 | $5,932,265 | 4.00% |
| Avenir Corp | 1,723,386 | $35,312,179 | 3.54% |
| Montanaro Asset Management Ltd | 879,000 | $18,010,710 | 2.93% |
| Miura Global Management | 280,000 | $5,737,200 | 2.89% |
| ACK Asset Management | 727,400 | $14,904 | 2.74% |
| SCHOLTZ & COMPANY, LLC | 129,545 | $2,654 | 1.88% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 458,560 | $9,396 | 1.46% |
| Mesirow Institutional Investment Management, Inc. | 502,150 | $10,289,054 | 1.35% |