| 季度 | 持股数 | 市值（亿美元） |
|---|---|---|
| 2020 Q1 | 695,000 | 1.2 |
| 2019 Q4 | 1,295,000 | 2.5 |
| 2019 Q3 | 1,295,000 | 2.2 |
| 2019 Q2 | 1,295,000 | 2.2 |
| 2019 Q1 | 3,133,864 | 4.6 |
| 2018 Q4 | 1,150,000 | 1.5 |
| 2018 Q3 | 1,992,591 | 3.8 |
| 2018 Q2 | 3,390,000 | 5.7 |
| 2018 Q1 | 3,700,000 | 6.2 |
| 2017 Q4 | 3,465,862 | 5.7 |
| 2017 Q3 | 1,888,188 | 3.9 |
| 2017 Q2 | 2,509,619 | 6.1 |
| 2017 Q1 | 2,937,121 | 7.0 |
| 2016 Q4 | 4,261,406 | 8.9 |
| 2016 Q3 | 1,218,309 | 2.8 |
| 2016 Q2 | 1,260,809 | 2.9 |
| 2016 Q1 | 279,109 | 0.75 |
