CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 8,690,598 | $402,763 | — | — |
| Q4 2016 | 7,975,611 | $308,043 | — | — |
| Q3 2016 | 7,633,621 | $328,488 | — | — |
| Q2 2016 | 7,306,434 | $273,955 | — | — |
| Q1 2016 | 7,365,621 | $270,598 | — | — |
| Q4 2015 | 7,212,700 | $239,414 | — | — |
| Q3 2015 | 7,113,073 | $205,246 | — | — |
| Q2 2015 | 7,058,926 | $276,808 | — | — |
| Q1 2015 | 7,041,987 | $312,433 | — | — |
| Q4 2014 | 6,862,768 | $346,197 | — | — |
| Q3 2014 | 6,918,445 | $281,573 | — | — |
| Q2 2014 | 7,087,590 | $248,842 | — | — |
| Q1 2014 | 7,129,684 | $255,847 | — | — |
| Q4 2013 | 6,987,778 | $282,503 | — | — |
| Q3 2013 | 6,669,933 | $221,119 | — | — |
| Q2 2013 | 6,522,898 | $163,756 | — | — |