CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 10,569,135 | $77,578 | — | — |
| Q4 2016 | 10,215,141 | $89,179 | — | — |
| Q3 2016 | 13,077,669 | $132,477 | — | — |
| Q2 2016 | 13,214,989 | $125,410 | — | — |
| Q1 2016 | 13,584,893 | $148,495 | — | — |
| Q4 2015 | 12,947,417 | $137,631 | — | — |
| Q3 2015 | 14,248,346 | $138,637 | — | — |
| Q2 2015 | 12,453,641 | $132,506 | — | — |
| Q1 2015 | 14,780,347 | $189,928 | — | — |
| Q4 2014 | 14,615,348 | $202,569 | — | — |
| Q3 2014 | 15,003,676 | $198,498 | — | — |
| Q2 2014 | 15,710,440 | $195,438 | — | — |
| Q1 2014 | 17,077,865 | $192,979 | — | — |
| Q4 2013 | 16,539,985 | $201,292 | — | — |
| Q3 2013 | 16,834,204 | $173,223 | — | — |
| Q2 2013 | 17,944,499 | $162,757 | — | — |