| Date | Acquired | Amount |
|---|---|---|
| Aug 17, 2016 |
|
Undisclosed amount |
| Sep 09, 2015 |
|
Undisclosed amount |
| Nov 06, 2014 |
|
$ 4,500,000,000 |
| Aug 05, 2013 |
|
$ 8,600,000,000 |
| Jun 17, 2013 |
|
Undisclosed amount |
| Feb 11, 2013 |
|
£ 183,000,000 |
| Feb 01, 2013 |
|
Undisclosed amount |
