CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 2,378,894 | $110,404 | — | — |
| Q4 2016 | 2,689,594 | $104,006 | — | — |
| Q3 2016 | 2,360,518 | $101,738 | — | — |
| Q2 2016 | 4,200,447 | $157,768 | — | — |
| Q1 2016 | 8,939,418 | $329,060 | — | — |
| Q4 2015 | 10,086,340 | $335,471 | — | — |
| Q3 2015 | 9,379,720 | $271,168 | — | — |
| Q2 2015 | 4,307,575 | $169,244 | — | — |
| Q1 2015 | 3,987,910 | $177,204 | — | — |
| Q4 2014 | 5,076,454 | $256,412 | — | — |
| Q3 2014 | 6,348,126 | $258,687 | — | — |
| Q2 2014 | 8,133,637 | $285,735 | — | — |
| Q1 2014 | 5,809,885 | $208,574 | — | — |
| Q4 2013 | 2,533,071 | $102,437 | — | — |
| Q3 2013 | 4,873,588 | $161,608 | — | — |
| Q2 2013 | 1,633,471 | $41,016 | — | — |