CUSIP: 984121103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 8,165,434 | $59,934 | — | — |
| Q4 2016 | 11,194,201 | $92,653 | — | — |
| Q3 2016 | 9,233,847 | $93,539 | — | — |
| Q2 2016 | 8,652,934 | $82,116 | — | — |
| Q1 2016 | 8,155,834 | $91,019 | — | — |
| Q4 2015 | 7,645,385 | $81,270,443 | — | — |
| Q3 2015 | 7,645,385 | $74,390 | — | — |
| Q2 2015 | 3,510,238 | $37,349 | — | — |
| Q1 2015 | 3,597,663 | $46,230 | — | — |
| Q4 2014 | 4,036,406 | $55,945 | — | — |
| Q3 2014 | 4,086,645 | $54,066 | — | — |
| Q2 2014 | 3,934,024 | $48,939 | — | — |
| Q1 2014 | 3,742,305 | $42,288 | — | — |
| Q4 2013 | 3,486,247 | $42,428 | — | — |
| Q3 2013 | 3,512,992 | $36,149 | — | — |
| Q2 2013 | 3,819,582 | $34,644 | — | — |