ENERGY RECOVERY INC's ticker is ERII and the CUSIP is 29270J100. A total of 112 filers reported holding ENERGY RECOVERY INC in Q4 2020. The put-call ratio across all filers is 0.13 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 ↓ |
|---|---|---|---|
| Trigran Investments, Inc. | 5,520,408 | $41,928,000 | 8.21% |
| Avenir Corp | 1,576,727 | $11,975,000 | 1.36% |
| ELKHORN PARTNERS LIMITED PARTNERSHIP | 69,000 | $524,000 | 0.41% |
| 683 Capital Management, LLC | 520,000 | $3,950,000 | 0.32% |
| FNY Investment Advisers, LLC | 50,007 | $379,000 | 0.22% |
| Monarch Partners Asset Management LLC | 107,324 | $815,000 | 0.20% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 141,552 | $1,075,000 | 0.18% |
| HEARTLAND ADVISORS INC | 168,943 | $1,283,000 | 0.11% |
| Redmond Asset Management, LLC | 31,041 | $236,000 | 0.10% |
| NJ State Employees Deferred Compensation Plan | 59,000 | $448,000 | 0.08% |