| Date | Acquired | Amount |
|---|---|---|
| Jul 27, 2017 |
|
Undisclosed amount |
| Mar 23, 2017 |
|
$ 525,000,000 |
| Aug 09, 2016 |
|
Undisclosed amount |
| Jul 07, 2016 |
|
Undisclosed amount |
| Mar 24, 2016 |
|
Undisclosed amount |
| Jan 27, 2016 |
|
Undisclosed amount |
| Aug 25, 2014 |
|
$ 1,430,000,000 |
| Jun 16, 2014 |
|
£ 65,000,000 |
| Apr 22, 2010 |
|
Undisclosed amount |
| Nov 12, 2007 |
|
£ 945,000,000 |
| Jul 27, 2004 |
|
Undisclosed amount |
