| October 17, 2013 | Blackrock Investment Management (UK) Limited | 0.80% | still open |
| October 17, 2013 | Highbridge Capital Management LLC | 0.18% | still open |
| October 17, 2013 | Amber Capital UK LLP | 0.11% | still open |
| October 16, 2013 | Marshall Wace LLP | 0.95% | still open |
| October 9, 2013 | Egerton Capital (UK) LLP | 0.47% | still open |
| October 8, 2013 | Amber Capital UK LLP | 1.77% | still open |
| October 7, 2013 | Blackrock Investment Management (UK) Limited | 1.19% | still open |
| October 7, 2013 | Egerton Capital (UK) LLP | 0.56% | still open |
| September 30, 2013 | Highbridge Capital Management LLC | 1.13% | still open |
| August 19, 2013 | Highbridge Capital Management LLC | 1.21% | still open |
| August 19, 2013 | Blackrock Investment Management (UK) Limited | 1.08% | still open |
| August 16, 2013 | Highbridge Capital Management LLC | 1.12% | still open |
| August 14, 2013 | Highbridge Capital Management LLC | 1.06% | still open |
| August 8, 2013 | Highbridge Capital Management LLC | 0.90% | still open |
| July 31, 2013 | Highbridge Capital Management LLC | 0.80% | still open |
| July 17, 2013 | Egerton Capital (UK) LLP | 0.79% | still open |
| July 17, 2013 | Highbridge Capital Management LLC | 0.73% | still open |
| July 17, 2013 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.00% | still open |
| July 11, 2013 | Highbridge Capital Management LLC | 0.67% | still open |
| July 8, 2013 | Blackrock Investment Management (UK) Limited | 1.11% | still open |
| July 4, 2013 | Blackrock Investment Management (UK) Limited | 1.00% | still open |
| July 2, 2013 | Highbridge Capital Management LLC | 0.56% | still open |
| June 18, 2013 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.79% | still open |
| June 13, 2013 | Amber Capital UK LLP | 1.86% | still open |
| June 12, 2013 | Blackrock Investment Management (UK) Limited | 0.90% | still open |
| June 11, 2013 | Amber Capital UK LLP | 1.74% | still open |
| June 10, 2013 | Amber Capital UK LLP | 1.60% | still open |
| June 10, 2013 | Highbridge Capital Management LLC | 0.61% | still open |
| June 7, 2013 | Amber Capital UK LLP | 1.46% | still open |
| June 6, 2013 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.89% | still open |
| May 7, 2013 | Amber Capital UK LLP | 1.24% | still open |
| May 3, 2013 | Amber Capital UK LLP | 1.13% | still open |
| May 2, 2013 | Amber Capital UK LLP | 1.05% | still open |
| April 25, 2013 | Highbridge Capital Management LLC | 0.50% | still open |
| April 19, 2013 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.91% | still open |
| April 17, 2013 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.83% | still open |
| April 8, 2013 | Blackrock Investment Management (UK) Limited | 0.80% | still open |
| April 4, 2013 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.71% | still open |
| April 3, 2013 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.66% | still open |
| April 2, 2013 | Blackrock Investment Management (UK) Limited | 0.70% | still open |
| March 5, 2013 | Amber Capital UK LLP | 0.97% | still open |
| March 5, 2013 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| March 4, 2013 | Amber Capital UK LLP | 1.01% | still open |
| February 26, 2013 | Amber Capital UK LLP | 1.12% | still open |
| February 21, 2013 | Egerton Capital Limited AS General Partner of Egerton Capital Limited Partnership | 0.52% | still open |
| February 13, 2013 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| November 19, 2012 | Amber Capital UK LLP | 1.20% | still open |
| November 15, 2012 | Amber Capital UK LLP | 1.31% | still open |
| November 14, 2012 | Amber Capital UK LLP | 1.43% | still open |
| November 13, 2012 | Amber Capital UK LLP | 1.64% | still open |