| Date | Acquired | Amount |
|---|---|---|
| Jun 26, 2017 |
|
£ 95,000,000 |
| Apr 03, 2017 |
|
Undisclosed amount |
| Jul 12, 2016 |
|
Undisclosed amount |
| Aug 10, 2015 |
|
$ 190,000,000 |
| Sep 02, 2014 |
|
Undisclosed amount |
| Jun 19, 2014 |
|
$ 35,000,000 |
| Jan 17, 2012 |
|
$ 325,000,000 |
| Feb 01, 2011 |
|
$ 17,500,000 |
| Jul 09, 2008 |
|
$ 48,140,000 |
| Aug 13, 2007 |
|
$ 25,000,000 |
| Jan 17, 2007 |
|
$ 60,000,000 |
| Jan 17, 2007 |
|
$ 60,000,000 |
| Jan 23, 2006 |
|
$ 6,000,000 |
