CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 3,615,528 | $167,798 | — | — |
| Q4 2016 | 2,503,746 | $96,819 | — | — |
| Q3 2016 | 2,681,287 | $115,564 | — | — |
| Q2 2016 | 3,213,555 | $120,700 | — | — |
| Q1 2016 | 3,323,860 | $122,351 | — | — |
| Q4 2015 | 4,579,629 | $152,319 | — | — |
| Q3 2015 | 1,653,630 | $47,807 | — | — |
| Q2 2015 | 3,475,676 | $136,561 | — | — |
| Q1 2015 | 5,877,547 | $261,170 | — | — |
| Q4 2014 | 6,619,561 | $334,355 | — | — |
| Q3 2014 | 8,900,601 | $362,698 | — | — |
| Q2 2014 | 7,740,957 | $271,943 | — | — |
| Q1 2014 | 5,743,548 | $206,194 | — | — |
| Q4 2013 | 5,566,342 | $225,103 | — | — |
| Q3 2013 | 6,635,692 | $220,105 | — | — |
| Q2 2013 | 5,109,366 | $128,396 | — | — |