| Date | Acquired | Amount |
|---|---|---|
| Sep 22, 2017 |
|
Undisclosed amount |
| Jul 26, 2016 |
|
Undisclosed amount |
| Oct 28, 2015 |
|
Undisclosed amount |
| Oct 13, 2015 |
|
£ 100,000,000 |
| Jul 14, 2014 |
|
Undisclosed amount |
| Feb 19, 2014 |
|
Undisclosed amount |
| Feb 05, 2014 |
|
Undisclosed amount |
| Mar 05, 2013 |
|
Undisclosed amount |
| Feb 11, 2013 |
|
Undisclosed amount |
| Jan 24, 2012 |
|
Undisclosed amount |
| Jan 03, 2012 |
|
Undisclosed amount |
| Dec 06, 2011 |
|
Undisclosed amount |
