| January 15, 2015 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| January 9, 2015 | Blackrock Investment Management (UK) Limited | 0.51% | still open |
| October 28, 2014 | Blackrock Investment Management (UK) Limited | 0.46% | still open |
| October 10, 2014 | Blackrock Investment Management (UK) Limited | 0.54% | still open |
| September 4, 2014 | Blackrock Investment Management (UK) Limited | 0.49% | still open |
| September 1, 2014 | Blackrock Investment Management (UK) Limited | 0.57% | still open |
| August 28, 2014 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| July 10, 2014 | Blackrock Investment Management (UK) Limited | 0.51% | still open |
| June 26, 2014 | FIL Investment Services (UK) Limited | 0.46% | still open |
| June 25, 2014 | FIL Investment Services (UK) Limited | 0.51% | still open |
| June 24, 2014 | FIL Investment Services (UK) Limited | 0.69% | still open |
| June 17, 2014 | FIL Investment Services (UK) Limited | 0.76% | still open |
| June 11, 2014 | FIL Investment Services (UK) Limited | 0.87% | still open |
| June 6, 2014 | FIL Investment Services (UK) Limited | 0.95% | still open |
| June 5, 2014 | FIL Investment Services (UK) Limited | 1.12% | still open |
| June 4, 2014 | FIL Investment Services (UK) Limited | 1.23% | still open |
| June 3, 2014 | FIL Investment Services (UK) Limited | 1.33% | still open |
| June 3, 2014 | Blackrock Investment Management (UK) Limited | 0.48% | still open |
| June 2, 2014 | FIL Investment Services (UK) Limited | 1.57% | still open |
| May 30, 2014 | FIL Investment Services (UK) Limited | 1.69% | still open |
| May 28, 2014 | FIL Investment Services (UK) Limited | 1.74% | still open |
| May 27, 2014 | FIL Investment Services (UK) Limited | 1.92% | still open |
| May 16, 2014 | Blackrock Investment Management (UK) Limited | 0.52% | still open |
| March 12, 2014 | Wellington Management Company, LLP | 0.36% | still open |
| February 17, 2014 | Wellington Management Company, LLP | 0.88% | still open |
| October 23, 2013 | Wellington Management Company, LLP | 0.93% | still open |
| October 15, 2013 | FIL Investment Services (UK) Limited | 2.13% | still open |
| October 11, 2013 | FIL Investment Services (UK) Limited | 1.93% | still open |
| October 10, 2013 | FIL Investment Services (UK) Limited | 1.77% | still open |
| October 8, 2013 | FIL Investment Services (UK) Limited | 1.60% | still open |
| October 7, 2013 | FIL Investment Services (UK) Limited | 1.55% | still open |
| September 11, 2013 | Marshall Wace LLP | 0.42% | still open |
| September 10, 2013 | Marshall Wace LLP | 0.51% | still open |
| September 5, 2013 | Marshall Wace LLP | 0.67% | still open |
| September 3, 2013 | Marshall Wace LLP | 0.77% | still open |
| August 23, 2013 | Marshall Wace LLP | 0.88% | still open |
| August 1, 2013 | Marshall Wace LLP | 0.90% | still open |
| July 19, 2013 | Marshall Wace LLP | 0.80% | still open |
| July 9, 2013 | FIL Investment Services (UK) Limited | 1.40% | still open |
| July 5, 2013 | FIL Investment Services (UK) Limited | 1.65% | still open |
| July 4, 2013 | FIL Investment Services (UK) Limited | 1.88% | still open |
| June 28, 2013 | Marshall Wace LLP | 0.79% | still open |
| June 17, 2013 | Wellington Management Company, LLP | 0.83% | still open |
| June 14, 2013 | FIL Investment Services (UK) Limited | 1.98% | still open |
| June 6, 2013 | FIL Investment Services (UK) Limited | 2.01% | still open |
| May 31, 2013 | FIL Investment Services (UK) Limited | 2.11% | still open |
| May 3, 2013 | FIL Investment Services (UK) Limited | 1.97% | still open |
| April 26, 2013 | Marshall Wace LLP | 0.80% | still open |
| April 5, 2013 | Henderson Global Investors | 0.24% | still open |
| April 4, 2013 | Henderson Global Investors | 0.56% | still open |