| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price | Investors |
|---|---|---|---|---|---|
| 2021 Q2 | 0 | $0 | -$2,745,000 | 0 | |
| 2021 Q1 | 15,498 | $2,745,000 | -$287,000 | $177.12 | 1 |
| 2020 Q4 | 1,536 | $287,000 | -$15,118,000 | $178.97 | 2 |
| 2020 Q3 | 196,254 | $17,480,000 | -$112,713,120 | $1613.33 | 2 |
| 2020 Q2 | 255,843 | $19,406,000 | -$51,805,544,478 | $163.56 | 5 |
| 2020 Q1 | 293,865,499 | $52,044,195,146 | +$370,839,784 | $177.10 | 862 |
| 2019 Q4 | 290,947,594 | $55,620,391,839 | +$335,050,978 | $191.17 | 941 |
| 2019 Q3 | 286,674,201 | $48,240,241,424 | +$2,682,970,884 | $168.29 | 911 |
| 2019 Q2 | 270,458,584 | $45,273,072,193 | +$1,820,528,032 | $167.43 | 960 |
| 2019 Q1 | 265,286,873 | $38,840,874,864 | -$107,948,903 | $146.41 | 977 |
| 2018 Q4 | 266,736,015 | $35,648,597,017 | -$388,196,843 | $133.66 | 984 |
| 2018 Q3 | 266,349,259 | $50,726,499,124 | +$29,632,457 | $190.48 | 1,057 |
| 2018 Q2 | 266,234,109 | $44,391,574,982 | -$990,100,536 | $166.72 | 1,028 |
| 2018 Q1 | 271,932,733 | $45,756,664,811 | +$167,171,927 | $168.29 | 1,011 |
| 2017 Q4 | 271,332,213 | $44,381,120,492 | -$907,081,369 | $163.58 | 1,033 |
| 2017 Q3 | 272,834,036 | $55,902,301,175 | -$947,696,817 | $204.95 | 1,080 |
| 2017 Q2 | 276,453,440 | $67,202,569,252 | -$1,489,608,542 | $243.09 | 1,110 |
| 2017 Q1 | 286,591,405 | $68,454,409,489 | +$1,317,194,059 | $238.92 | 1,101 |
| 2016 Q4 | 304,650,555 | $63,969,267,938 | -$5,566,399,064 | $210.01 | 1,084 |
| 2016 Q3 | 329,214,673 | $75,790,681,069 | -$2,178,699,102 | $230.31 | 1,097 |
| 2016 Q2 | 339,170,898 | $78,502,254,922 | -$2,142,713,129 | $231.09 | 1,099 |
| 2016 Q1 | 346,461,208 | $92,941,423,459 | -$1,139,235,515 | $268.03 | 1,100 |
| 2015 Q4 | 349,215,156 | $109,248,362,899 | -$1,024,540,894 | $312.50 | 1,098 |
| 2015 Q3 | 353,913,203 | $96,179,609,331 | +$4,058,113,607 | $271.81 | 1,048 |
| 2015 Q2 | 339,500,836 | $103,023,655,605 | +$102,894,103,002 | $303.46 | 1,020 |
| 2015 Q1 | 42,739 | $12,720,000 | +$1,593,620 | $297.62 | 3 |
| 2014 Q4 | 45,679 | $10,457,000 | -$203,647 | $257.41 | 3 |
| 2014 Q3 | 29,983 | $5,343,000 | -$29,403 | $178.20 | 1 |
| 2014 Q2 | 30,148 | $5,102,000 | -$35,539 | $169.23 | 1 |
| 2014 Q1 | 30,358 | $3,767,000 | +$3,767,000 | $124.09 | 1 |