CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 16,726,444 | $122,775 | — | — |
| Q4 2016 | 13,385,395 | $116,855 | — | — |
| Q3 2016 | 13,566,090 | $137,431 | — | — |
| Q2 2016 | 13,453,948 | $127,651 | — | — |
| Q1 2016 | 13,629,441 | $152,073 | — | — |
| Q4 2015 | 13,906,846 | $147,839 | — | — |
| Q3 2015 | 13,919,471 | $135,423 | — | — |
| Q2 2015 | 13,951,654 | $148,467 | — | — |
| Q1 2015 | 13,778,351 | $177,043 | — | — |
| Q4 2014 | 13,566,324 | $188,045 | — | — |
| Q3 2014 | 13,240,109 | $175,171 | — | — |
| Q2 2014 | 13,174,630 | $163,897 | — | — |
| Q1 2014 | 13,073,180 | $147,694 | — | — |
| Q4 2013 | 12,601,649 | $153,360 | — | — |
| Q3 2013 | 12,861,634 | $132,346 | — | — |
| Q2 2013 | 12,963,675 | $117,592 | — | — |