CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 4,629,913 | $214,874 | — | — |
| Q4 2016 | 10,768,865 | $416,432 | — | — |
| Q3 2016 | 8,167,604 | $352,024 | — | — |
| Q2 2016 | 7,061,850 | $265,243 | — | — |
| Q1 2016 | 19,039,209 | $700,834 | — | — |
| Q4 2015 | 8,123,992 | $270,204 | — | — |
| Q3 2015 | 10,444,845 | $301,961 | — | — |
| Q2 2015 | 5,484,717 | $215,494 | — | — |
| Q1 2015 | 12,434,375 | $552,521 | — | — |
| Q4 2014 | 13,536,932 | $683,751 | — | — |
| Q3 2014 | 19,566,832 | $797,349 | — | — |
| Q2 2014 | 16,192,611 | $568,847 | — | — |
| Q1 2014 | 10,978,995 | $394,145 | — | — |
| Q4 2013 | 10,487,653 | $424,121 | — | — |
| Q3 2013 | 5,873,608 | $194,768 | — | — |
| Q2 2013 | 4,897,628 | $122,980 | — | — |