| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2018 Q4 | 0 | $0 | -$1,034,317,592 | 0 | |
| 2018 Q3 | 13,708,622 | $1,035,828,607 | -$40,940,039 | $75.56 | 161 |
| 2018 Q2 | 14,032,186 | $1,035,272,987 | +$29,815,019 | $73.78 | 157 |
| 2018 Q1 | 13,683,770 | $820,430,106 | +$70,565,802 | $59.95 | 143 |
| 2017 Q4 | 12,480,296 | $824,755,440 | +$256,990,704 | $66.08 | 144 |
| 2017 Q3 | 8,655,960 | $474,862,795 | -$4,351,491 | $54.88 | 126 |
| 2017 Q2 | 8,752,762 | $425,987,218 | +$26,966,468 | $48.67 | 129 |
| 2017 Q1 | 8,208,715 | $378,142,363 | +$29,419,740 | $46.07 | 110 |
| 2016 Q4 | 8,108,509 | $315,323,717 | -$2,397,254 | $38.89 | 109 |
| 2016 Q3 | 8,154,516 | $230,984,513 | +$2,092,871 | $28.33 | 92 |
| 2016 Q2 | 8,083,540 | $210,087,893 | +$5,869,485 | $25.99 | 85 |
| 2016 Q1 | 8,272,681 | $190,849,792 | -$826,432 | $23.07 | 78 |
| 2015 Q4 | 8,308,945 | $191,292,856 | -$2,757,620 | $23.02 | 82 |
| 2015 Q3 | 8,445,475 | $162,916,561 | -$1,653,902 | $19.29 | 80 |
| 2015 Q2 | 8,350,272 | $212,380,622 | +$711,010 | $25.44 | 88 |
| 2015 Q1 | 8,229,951 | $219,959,544 | +$3,718,015 | $26.73 | 84 |
| 2014 Q4 | 8,205,663 | $164,143,840 | +$6,344,087 | $20.00 | 72 |
| 2014 Q3 | 8,295,010 | $137,037,866 | -$53,764 | $16.28 | 67 |
| 2014 Q2 | 8,288,152 | $148,998,004 | +$3,408,677 | $17.98 | 66 |
| 2014 Q1 | 8,103,149 | $127,108,275 | +$686,043 | $15.68 | 61 |