ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 173 filers reported holding ENERGY RECOVERY INC in Q4 2022. The put-call ratio across all filers is 0.31 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $11,853,739 | -20.6% | 558,875 | +4.7% | 0.07% | -18.6% |
| Q2 2023 | $14,923,204 | +67.6% | 533,925 | +38.2% | 0.09% | +56.4% |
| Q1 2023 | $8,902,002 | +26.0% | 386,204 | +12.0% | 0.06% | +14.6% |
| Q4 2022 | $7,063,559 | +3328.9% | 344,732 | +3720.2% | 0.05% | +4700.0% |
| Q2 2021 | $206,000 | -50.7% | 9,024 | -60.4% | 0.00% | -66.7% |
| Q1 2021 | $418,000 | +10.3% | 22,773 | -18.1% | 0.00% | 0.0% |
| Q4 2020 | $379,000 | +33.9% | 27,812 | -19.5% | 0.00% | 0.0% |
| Q3 2020 | $283,000 | -18.4% | 34,558 | -24.4% | 0.00% | -25.0% |
| Q2 2020 | $347,000 | +2.1% | 45,697 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $340,000 | – | 45,697 | – | 0.00% | – |
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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% |