| 季度 | 持股数 | 市值(亿美元) |
|---|---|---|
| 2020 Q1 | 22,157,608 | 7.0 |
| 2019 Q4 | 21,938,642 | 19.3 |
| 2019 Q3 | 21,938,642 | 19.4 |
| 2019 Q2 | 21,938,642 | 19.2 |
| 2019 Q1 | 21,938,642 | 17.5 |
| 2018 Q4 | 21,938,642 | 18.4 |
| 2018 Q3 | 25,984,542 | 23.1 |
| 2018 Q2 | 26,684,542 | 18.6 |
| 2018 Q1 | 27,705,963 | 19.2 |
| 2017 Q4 | 28,211,563 | 19.0 |
| 2017 Q3 | 28,211,563 | 17.2 |
| 2017 Q2 | 28,211,563 | 21.2 |
| 2017 Q1 | 28,951,353 | 20.5 |
| 2016 Q4 | 28,951,353 | 21.1 |