ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 154 filers reported holding ENERGY RECOVERY INC in Q3 2021. The put-call ratio across all filers is 0.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2023 | $43,332 | -11.2% | 2,300 | 0.0% | 0.03% | -16.2% |
| Q3 2023 | $48,783 | -24.1% | 2,300 | 0.0% | 0.04% | -21.3% |
| Q2 2023 | $64,285 | +121192.5% | 2,300 | 0.0% | 0.05% | +14.6% |
| Q1 2023 | $53 | +12.8% | 2,300 | 0.0% | 0.04% | +17.1% |
| Q4 2022 | $47 | -99.9% | 2,300 | 0.0% | 0.04% | -14.6% |
| Q3 2022 | $50,000 | +11.1% | 2,300 | 0.0% | 0.04% | +17.1% |
| Q2 2022 | $45,000 | +15.4% | 2,300 | +27.8% | 0.04% | +40.0% |
| Q1 2022 | $39,000 | 0.0% | 1,800 | 0.0% | 0.02% | 0.0% |
| Q4 2021 | $39,000 | +14.7% | 1,800 | 0.0% | 0.02% | +8.7% |
| Q3 2021 | $34,000 | -34.6% | 1,800 | -21.7% | 0.02% | -32.4% |
| Q2 2021 | $52,000 | +116.7% | 2,300 | +76.9% | 0.03% | +100.0% |
| Q1 2021 | $24,000 | -59.3% | 1,300 | -69.8% | 0.02% | -59.5% |
| Q4 2020 | $59,000 | +84.4% | 4,300 | 0.0% | 0.04% | +27.3% |
| Q1 2020 | $32,000 | -23.8% | 4,300 | 0.0% | 0.03% | +3.1% |
| Q4 2019 | $42,000 | +5.0% | 4,300 | 0.0% | 0.03% | 0.0% |
| Q3 2019 | $40,000 | -11.1% | 4,300 | 0.0% | 0.03% | -20.0% |
| Q2 2019 | $45,000 | +18.4% | 4,300 | 0.0% | 0.04% | +11.1% |
| Q1 2019 | $38,000 | +31.0% | 4,300 | 0.0% | 0.04% | +16.1% |
| Q4 2018 | $29,000 | -23.7% | 4,300 | 0.0% | 0.03% | 0.0% |
| Q3 2018 | $38,000 | +8.6% | 4,300 | 0.0% | 0.03% | 0.0% |
| Q2 2018 | $35,000 | 0.0% | 4,300 | 0.0% | 0.03% | +6.9% |
| Q1 2018 | $35,000 | +20.7% | 4,300 | +30.3% | 0.03% | +20.8% |
| Q4 2017 | $29,000 | +11.5% | 3,300 | 0.0% | 0.02% | +9.1% |
| Q3 2017 | $26,000 | -3.7% | 3,300 | 0.0% | 0.02% | -8.3% |
| Q2 2017 | $27,000 | 0.0% | 3,300 | 0.0% | 0.02% | 0.0% |
| Q1 2017 | $27,000 | – | 3,300 | – | 0.02% | – |
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% |