CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 35,406,782 | $1,643,227 | — | — |
| Q4 2016 | 35,280,317 | $1,364,281 | — | — |
| Q3 2016 | 34,813,185 | $1,500,456 | — | — |
| Q2 2016 | 33,296,497 | $1,250,622 | — | — |
| Q1 2016 | 36,235,550 | $1,333,822 | — | — |
| Q4 2015 | 32,982,541 | $1,096,998 | — | — |
| Q3 2015 | 34,350,464 | $993,069 | — | — |
| Q2 2015 | 34,701,512 | $1,363,423 | — | — |
| Q1 2015 | 35,791,945 | $1,590,416 | — | — |
| Q4 2014 | 38,228,356 | $1,930,915 | — | — |
| Q3 2014 | 39,610,546 | $1,614,140 | — | — |
| Q2 2014 | 38,793,770 | $1,362,822 | — | — |
| Q1 2014 | 38,534,169 | $1,383,379 | — | — |
| Q4 2013 | 39,192,968 | $1,584,961 | — | — |
| Q3 2013 | 39,077,422 | $1,295,801 | — | — |
| Q2 2013 | 40,063,743 | $1,005,993 | — | — |