| 季度 | 持股数 | 市值（亿美元） |
|---|---|---|
| 2021 Q4 | 0 | 0.00 |
| 2021 Q3 | 1,565,538 | 0.75 |
| 2021 Q2 | 2,987,927 | 1.9 |
| 2021 Q1 | 3,314,947 | 2.2 |
| 2020 Q4 | 3,917,273 | 2.6 |
| 2020 Q3 | 3,822,106 | 1.7 |
| 2020 Q2 | 3,484,811 | 1.0 |
| 2020 Q1 | 3,051,660 | 0.73 |
| 2019 Q4 | 3,055,316 | 0.85 |
| 2019 Q3 | 3,352,169 | 0.72 |
| 2019 Q2 | 3,526,095 | 1.1 |
| 2019 Q1 | 3,476,526 | 0.83 |
| 2018 Q4 | 3,238,692 | 0.48 |
| 2018 Q3 | 3,434,304 | 0.61 |
| 2018 Q2 | 2,625,472 | 0.36 |
| 2018 Q1 | 2,234,402 | 0.17 |
| 2017 Q4 | 1,138,821 | 0.09 |
| 2017 Q3 | 283,858 | 0.05 |
| 2017 Q2 | 110,510 | 0.02 |
| 2017 Q1 | 31,741 | 0.01 |
| 2016 Q4 | 16,877 | 0.00 |