CUSIP: 984332106 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2017 | 2,980,780 | $138,337,905 | — | — |
| Q4 2016 | 431,731 | $16,695,037 | — | — |
| Q3 2016 | 2,983,410 | $128,584,753 | — | — |
| Q2 2016 | 847,880 | $31,846,375 | — | — |
| Q1 2016 | 2,698,960 | $99,348,538 | — | — |
| Q4 2015 | 1,276,075 | $42,442,285 | — | — |
| Q3 2015 | 1,877,780 | $54,286,620 | — | — |
| Q2 2015 | 1,083,308 | $42,563,172 | — | — |
| Q1 2015 | 4,385,931 | $194,910,858 | — | — |
| Q4 2014 | 3,508,347 | $177,206,500 | — | — |
| Q3 2014 | 3,432,868 | $139,768,854 | — | — |
| Q2 2014 | 1,906,341 | $66,966,192 | — | — |
| Q1 2014 | 7,565,650 | $626,878,500 | — | — |
| Q4 2013 | 12,299,060 | $1,126,074,100 | — | — |
| Q3 2013 | 3,877,190 | $128,606,000 | — | — |
| Q2 2013 | 2,468,670 | $62,037,800 | — | — |