CUSIP: 98919V105 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2018 | 5,373,000 | $122,719 | — | — |
| Q3 2018 | 5,373,000 | $186,551 | — | — |
| Q2 2018 | 12,148,000 | $443,159 | — | — |
| Q1 2018 | 11,948,000 | $408,144 | — | — |
| Q4 2017 | 11,948,000 | $439,686 | — | — |
| Q3 2017 | 15,659,721 | $539,008 | — | — |
| Q2 2017 | 16,965,233 | $524,226 | — | — |
| Q1 2017 | 17,269,233 | $568,158 | — | — |
| Q4 2016 | 17,269,233 | $567,467 | — | — |
| Q3 2016 | 17,269,233 | $513,069 | — | — |
| Q2 2016 | 17,269,233 | $482,330 | — | — |
| Q1 2016 | 16,496,555 | $399,876 | — | — |
| Q4 2015 | 11,682,739 | $310,644 | — | — |
| Q3 2015 | 8,251,059 | $209,247 | — | — |
| Q2 2015 | 7,956,059 | $204,630 | — | — |
| Q1 2015 | 6,908,762 | $193,169 | — | — |
| Q4 2014 | 2,776,661 | $84,883 | — | — |