CUSIP: 913017109 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q1 2020 | 10,519,371 | $992,292 | — | — |
| Q4 2019 | 15,059,736 | $2,255,345 | — | — |
| Q3 2019 | 14,037,745 | $1,916,432 | — | — |
| Q2 2019 | 14,691,351 | $1,912,814 | — | — |
| Q1 2019 | 15,308,896 | $1,973,164 | — | — |
| Q4 2018 | 15,219,419 | $1,620,563 | — | — |
| Q3 2018 | 15,157,634 | $2,119,188 | — | — |
| Q2 2018 | 16,044,044 | $2,005,987 | — | — |
| Q1 2018 | 16,983,856 | $2,136,909 | — | — |
| Q4 2017 | 17,335,184 | $2,211,450 | — | — |
| Q3 2017 | 17,640,781 | $2,047,741 | — | — |
| Q2 2017 | 16,616,001 | $2,028,980 | — | — |
| Q1 2017 | 16,512,767 | $1,852,897 | — | — |
| Q4 2016 | 17,079,620 | $1,872,268 | — | — |
| Q3 2016 | 20,965,854 | $2,130,132 | — | — |
| Q2 2016 | 25,681,475 | $2,633,634 | — | — |
| Q1 2016 | 26,337,413 | $2,636,375 | — | — |
| Q4 2015 | 29,006,591 | $2,786,664 | — | — |
| Q3 2015 | 32,247,108 | $2,869,670 | — | — |
| Q2 2015 | 34,481,812 | $3,825,067,406 | — | — |
| Q1 2015 | 34,818,758 | $4,080,758,487 | — | — |
| Q4 2014 | 36,568,028 | $4,205,323,268 | — | — |
| Q3 2014 | 37,695,524 | $3,980,647 | — | — |
| Q2 2014 | 33,416,791 | $3,857,968 | — | — |
| Q1 2014 | 33,230,042 | $3,882,598,108 | — | — |
| Q4 2013 | 32,822,727 | $3,735,226,334 | — | — |
| Q3 2013 | 33,270,682 | $3,587,244,934 | — | — |
| Q2 2013 | 32,435,104 | $3,014,518,566 | — | — |