ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 101 filers reported holding ENERGY RECOVERY INC in Q3 2017. The put-call ratio across all filers is 1.26 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $365,118 | -2.9% | 13,389 | -0.0% | 0.00% | – |
| Q2 2023 | $376,153 | +58.7% | 13,391 | +21.0% | 0.00% | – |
| Q4 2021 | $237,000 | +7.2% | 11,066 | -0.0% | 0.00% | – |
| Q3 2021 | $221,000 | +183.3% | 11,067 | +165.5% | 0.00% | – |
| Q1 2021 | $78,000 | -42.2% | 4,168 | -54.7% | 0.00% | – |
| Q4 2020 | $135,000 | +206.8% | 9,191 | +76.7% | 0.00% | – |
| Q3 2020 | $44,000 | -73.7% | 5,201 | -78.6% | 0.00% | – |
| Q2 2020 | $167,000 | +8250.0% | 24,270 | +10544.7% | 0.00% | – |
| Q1 2020 | $2,000 | -95.9% | 228 | -95.5% | 0.00% | – |
| Q4 2019 | $49,000 | +53.1% | 5,041 | +44.2% | 0.00% | – |
| Q3 2019 | $32,000 | -3.0% | 3,495 | +10.0% | 0.00% | – |
| Q2 2019 | $33,000 | -77.7% | 3,178 | -81.4% | 0.00% | – |
| Q1 2019 | $148,000 | +26.5% | 17,077 | -2.8% | 0.00% | – |
| Q4 2018 | $117,000 | +5750.0% | 17,575 | +6958.2% | 0.00% | – |
| Q3 2018 | $2,000 | -99.0% | 249 | -99.0% | 0.00% | – |
| Q2 2018 | $206,000 | -1.0% | 25,456 | +1.0% | 0.00% | – |
| Q1 2018 | $208,000 | +1500.0% | 25,200 | +1527.9% | 0.00% | – |
| Q3 2017 | $13,000 | +333.3% | 1,548 | +360.7% | 0.00% | – |
| Q2 2017 | $3,000 | 0.0% | 336 | 0.0% | 0.00% | – |
| Q1 2017 | $3,000 | -25.0% | 336 | 0.0% | 0.00% | – |
| Q4 2016 | $4,000 | -71.4% | 336 | -62.7% | 0.00% | – |
| Q3 2016 | $14,000 | +180.0% | 902 | -16.5% | 0.00% | – |
| Q2 2014 | $5,000 | – | 1,080 | – | 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% |