ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 159 filers reported holding ENERGY RECOVERY INC in Q2 2021. The put-call ratio across all filers is 0.78 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $1,714,171 | +0.7% | 80,819 | +32.7% | 0.00% | 0.0% |
| Q2 2023 | $1,701,792 | -17.1% | 60,887 | -31.6% | 0.00% | 0.0% |
| Q1 2023 | $2,053,063 | -5.5% | 89,070 | -16.0% | 0.00% | 0.0% |
| Q4 2022 | $2,172,186 | -13.9% | 106,012 | -8.7% | 0.00% | -33.3% |
| Q3 2022 | $2,523,000 | +26.7% | 116,070 | +13.2% | 0.00% | +50.0% |
| Q2 2022 | $1,992,000 | -7.6% | 102,565 | -5.9% | 0.00% | 0.0% |
| Q1 2022 | $2,155,000 | -3.7% | 109,008 | +4.7% | 0.00% | 0.0% |
| Q4 2021 | $2,237,000 | +491.8% | 104,080 | +424.0% | 0.00% | – |
| Q3 2021 | $378,000 | -24.7% | 19,863 | -9.9% | 0.00% | – |
| Q2 2021 | $502,000 | +12.1% | 22,044 | -9.8% | 0.00% | – |
| Q1 2021 | $448,000 | +17.0% | 24,450 | -12.9% | 0.00% | – |
| Q4 2020 | $383,000 | +139.4% | 28,087 | +43.6% | 0.00% | – |
| Q3 2020 | $160,000 | -35.0% | 19,556 | -40.7% | 0.00% | – |
| Q1 2020 | $246,000 | +89.2% | 32,956 | +148.4% | 0.00% | – |
| Q4 2019 | $130,000 | +7.4% | 13,269 | +1.5% | 0.00% | – |
| Q3 2019 | $121,000 | – | 13,075 | – | 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% |