CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 8,315,862 | $386,491 | — | — |
| Q4 2016 | 7,636,043 | $295,286 | — | — |
| Q3 2016 | 6,117,472 | $263,650 | — | — |
| Q2 2016 | 5,474,773 | $205,632 | — | — |
| Q1 2016 | 8,089,706 | $297,782 | — | — |
| Q4 2015 | 9,918,758 | $329,906 | — | — |
| Q3 2015 | 5,795,622 | $167,551 | — | — |
| Q2 2015 | 5,230,396 | $205,584 | — | — |
| Q1 2015 | 3,369,127 | $149,719 | — | — |
| Q4 2014 | 4,229,236 | $215,852 | — | — |
| Q3 2014 | 3,147,663 | $128,223 | — | — |
| Q2 2014 | 5,303,397 | $186,049 | — | — |
| Q1 2014 | 2,161,130 | $77,588 | — | — |
| Q4 2013 | 2,837,049 | $114,704 | — | — |
| Q3 2013 | 4,205,887 | $139,553 | — | — |
| Q2 2013 | 5,871,506 | $147,543 | — | — |
| Q1 2013 | 4,657,189 | $109,583 | — | — |
| Q4 2012 | 1,487,758 | $29,607 | — | — |
| Q3 2012 | 583,030 | $9,315 | — | — |
| Q2 2012 | 795,583 | $12,465 | — | — |
| Q1 2012 | 1,671,802 | $25,445 | — | — |