| Period | Shares, Excl. Options | Value, Excl. Options | Change | Price | Investors |
|---|---|---|---|---|---|
| 2020 Q3 | 0 | $0 | -$161K | 0 | |
| 2020 Q2 | 3.39K | $161K | -$6.86B | $78.01 | 2 |
| 2020 Q1 | 51.7M | $6.99B | -$51M | $135.05 | 309 |
| 2019 Q4 | 51.6M | $7B | +$268M | $135.50 | 326 |
| 2019 Q3 | 49.1M | $6.57B | +$24.2M | $133.75 | 317 |
| 2019 Q2 | 48.8M | $6.47B | -$61.8M | $132.60 | 340 |
| 2019 Q1 | 49.4M | $6.51B | -$244M | $131.83 | 372 |
| 2018 Q4 | 51.6M | $5.54B | -$10.2M | $107.34 | 304 |
| 2018 Q3 | 51.3M | $6.05B | -$30.5M | $117.94 | 318 |
| 2018 Q2 | 51.8M | $6.06B | -$16.6M | $117.02 | 353 |
| 2018 Q1 | 51.9M | $6.94B | +$34.3M | $133.87 | 374 |
| 2017 Q4 | 52M | $7.46B | -$33.6M | $143.50 | 385 |
| 2017 Q3 | 51.5M | $7.62B | -$124M | $148.00 | 345 |
| 2017 Q2 | 52.6M | $6.71B | -$86M | $127.51 | 315 |
| 2017 Q1 | 53.3M | $6.26B | +$346M | $117.42 | 287 |
| 2016 Q4 | 52.9M | $5.61B | -$110M | $106.15 | 291 |
| 2016 Q3 | 52.7M | $5.98B | -$52.5M | $113.53 | 299 |
| 2016 Q2 | 53.9M | $4.94B | -$102M | $91.57 | 300 |
| 2016 Q1 | 54.8M | $5.86B | -$157M | $106.92 | 293 |
| 2015 Q4 | 56.3M | $5.76B | -$75.5M | $102.26 | 299 |
| 2015 Q3 | 56.8M | $5.95B | +$6.45M | $104.83 | 303 |
| 2015 Q2 | 57.2M | $7.08B | -$56M | $123.72 | 309 |
| 2015 Q1 | 57.8M | $7.09B | +$161M | $122.88 | 281 |
| 2014 Q4 | 56.5M | $5.92B | -$11.9M | $104.78 | 274 |
| 2014 Q3 | 57M | $5.19B | -$54.5M | $90.95 | 269 |
| 2014 Q2 | 57.7M | $6.17B | -$155M | $106.82 | 293 |
| 2014 Q1 | 59.1M | $6.24B | +$19.4M | $105.56 | 268 |