CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 4,947,775 | $229,626 | — | — |
| Q4 2016 | 5,176,404 | $200,172 | — | — |
| Q3 2016 | 3,897,506 | $167,983 | — | — |
| Q2 2016 | 3,782,249 | $142,061 | — | — |
| Q1 2016 | 3,948,071 | $145,328 | — | — |
| Q4 2015 | 6,538,717 | $217,478 | — | — |
| Q3 2015 | 5,253,248 | $151,871 | — | — |
| Q2 2015 | 3,979,770 | $156,365 | — | — |
| Q1 2015 | 3,418,057 | $151,881 | — | — |
| Q4 2014 | 2,390,497 | $120,744 | — | — |
| Q3 2014 | 2,417,085 | $98,496 | — | — |
| Q2 2014 | 2,775,115 | $97,490 | — | — |
| Q1 2014 | 3,189,518 | $114,504 | — | — |
| Q4 2013 | 2,813,111 | $113,762 | — | — |
| Q3 2013 | 3,002,244 | $99,584 | — | — |
| Q2 2013 | 2,339,020 | $58,780 | — | — |