| April 27, 2016 | Blackrock Investment Management (UK) Limited | 0.68% | still open |
| April 21, 2016 | GLG Partners LP | 0.48% | still open |
| April 20, 2016 | Blackrock Investment Management (UK) Limited | 0.79% | still open |
| March 30, 2016 | Blackrock Investment Management (UK) Limited | 0.89% | still open |
| February 19, 2016 | GLG Partners LP | 0.51% | still open |
| February 3, 2016 | Blackrock Investment Management (UK) Limited | 0.91% | still open |
| February 1, 2016 | Blackrock Investment Management (UK) Limited | 0.89% | still open |
| January 21, 2016 | Blackrock Investment Management (UK) Limited | 0.91% | still open |
| January 21, 2016 | Polar Capital LLP | 0.79% | still open |
| December 22, 2015 | Blackrock Investment Management (UK) Limited | 0.80% | still open |
| December 8, 2015 | Blackrock Investment Management (UK) Limited | 0.79% | still open |
| December 7, 2015 | Blackrock Investment Management (UK) Limited | 0.80% | still open |
| December 4, 2015 | Blackrock Investment Management (UK) Limited | 0.97% | still open |
| December 2, 2015 | Blackrock Investment Management (UK) Limited | 1.29% | still open |
| December 1, 2015 | Blackrock Investment Management (UK) Limited | 1.44% | still open |
| November 25, 2015 | Blackrock Investment Management (UK) Limited | 1.50% | still open |
| November 20, 2015 | Blackrock Investment Management (UK) Limited | 1.48% | still open |
| November 17, 2015 | Blackrock Investment Management (UK) Limited | 1.46% | still open |
| November 13, 2015 | Polar Capital LLP | 0.87% | still open |
| November 5, 2015 | FIL Investment Services (UK) Limited | 0.39% | still open |
| November 4, 2015 | FIL Investment Services (UK) Limited | 0.53% | still open |
| November 3, 2015 | FIL Investment Services (UK) Limited | 0.79% | still open |
| November 2, 2015 | FIL Investment Services (UK) Limited | 0.88% | still open |
| October 29, 2015 | FIL Investment Services (UK) Limited | 0.97% | still open |
| October 28, 2015 | FIL Investment Services (UK) Limited | 1.16% | still open |
| October 27, 2015 | FIL Investment Services (UK) Limited | 1.28% | still open |
| October 23, 2015 | FIL Investment Services (UK) Limited | 1.37% | still open |
| October 22, 2015 | FIL Investment Services (UK) Limited | 1.41% | still open |
| October 21, 2015 | FIL Investment Services (UK) Limited | 1.53% | still open |
| October 16, 2015 | FIL Investment Services (UK) Limited | 1.64% | still open |
| October 5, 2015 | Jpmorgan Asset Management (UK) LTD | 0.22% | still open |
| September 29, 2015 | Worldquant LLC | 0.49% | still open |
| September 24, 2015 | Worldquant LLC | 0.50% | still open |
| September 24, 2015 | FIL Investments International | 0.44% | still open |
| September 22, 2015 | FIL Investments International | 0.57% | still open |
| September 7, 2015 | Worldquant LLC | 0.49% | still open |
| September 4, 2015 | Blackrock Investment Management (UK) Limited | 1.60% | still open |
| August 7, 2015 | Worldquant LLC | 0.50% | still open |
| August 3, 2015 | Blackrock Investment Management (UK) Limited | 1.51% | still open |
| July 27, 2015 | Jpmorgan Asset Management (UK) LTD | 0.52% | still open |
| July 24, 2015 | Blackrock Investment Management (UK) Limited | 1.41% | still open |
| July 22, 2015 | Blackrock Investment Management (UK) Limited | 1.27% | still open |
| July 20, 2015 | Blackrock Investment Management (UK) Limited | 0.83% | still open |
| July 17, 2015 | Blackrock Investment Management (UK) Limited | 0.68% | still open |
| July 16, 2015 | Blackrock Investment Management (UK) Limited | 0.54% | still open |
| May 29, 2015 | Blackrock Investment Management (UK) Limited | 0.46% | still open |
| May 27, 2015 | Blackrock Investment Management (UK) Limited | 0.57% | still open |
| May 22, 2015 | Polar Capital LLP | 0.97% | still open |
| May 19, 2015 | Blackrock Investment Management (UK) Limited | 0.67% | still open |
| April 24, 2015 | FIL Investments International | 0.62% | still open |
| April 22, 2015 | FIL Investments International | 0.51% | still open |
| April 21, 2015 | Blackrock Investment Management (UK) Limited | 0.79% | still open |
| April 17, 2015 | FIL Investment Services (UK) Limited | 2.23% | still open |
| April 16, 2015 | FIL Investment Services (UK) Limited | 2.19% | still open |
| April 15, 2015 | FIL Investment Services (UK) Limited | 1.97% | still open |
| April 14, 2015 | FIL Investment Services (UK) Limited | 1.82% | still open |
| April 10, 2015 | FIL Investment Services (UK) Limited | 1.71% | still open |
| April 9, 2015 | FIL Investment Services (UK) Limited | 1.47% | still open |
| April 8, 2015 | FIL Investment Services (UK) Limited | 1.35% | still open |
| April 2, 2015 | FIL Investment Services (UK) Limited | 1.20% | still open |
| March 26, 2015 | FIL Investment Services (UK) Limited | 1.13% | still open |
| March 24, 2015 | FIL Investment Services (UK) Limited | 0.91% | still open |
| March 6, 2015 | Blackrock Investment Management (UK) Limited | 0.81% | still open |
| February 19, 2015 | Blackrock Investment Management (UK) Limited | 0.70% | still open |
| February 5, 2015 | Polar Capital LLP | 0.83% | still open |
| February 2, 2015 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| January 30, 2015 | Blackrock Investment Management (UK) Limited | 0.58% | still open |
| January 29, 2015 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| January 28, 2015 | Blackrock Investment Management (UK) Limited | 0.59% | still open |
| January 27, 2015 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| January 20, 2015 | Blackrock Investment Management (UK) Limited | 0.59% | still open |
| January 14, 2015 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| January 7, 2015 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| November 7, 2014 | Jpmorgan Asset Management (UK) LTD | 0.43% | still open |
| November 6, 2014 | Jpmorgan Asset Management (UK) LTD | 0.72% | still open |
| November 6, 2014 | Blackrock Investment Management (UK) Limited | 0.48% | still open |
| October 20, 2014 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| September 29, 2014 | Blackrock Investment Management (UK) Limited | 0.49% | still open |
| September 22, 2014 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| September 4, 2014 | Jpmorgan Asset Management (UK) LTD | 0.90% | still open |
| September 1, 2014 | Blackrock Investment Management (UK) Limited | 0.49% | still open |
| August 27, 2014 | Blackrock Investment Management (UK) Limited | 0.50% | still open |
| August 19, 2014 | Blackrock Investment Management (UK) Limited | 0.48% | still open |
| August 15, 2014 | Blackrock Investment Management (UK) Limited | 0.65% | still open |
| August 13, 2014 | Blackrock Investment Management (UK) Limited | 0.78% | still open |
| August 12, 2014 | Blackrock Investment Management (UK) Limited | 0.81% | still open |
| July 24, 2014 | Jpmorgan Asset Management (UK) LTD | 0.75% | still open |
| July 23, 2014 | Jpmorgan Asset Management (UK) LTD | 0.65% | still open |
| July 22, 2014 | Blackrock Investment Management (UK) Limited | 0.97% | still open |
| July 15, 2014 | Jpmorgan Asset Management (UK) LTD | 0.51% | still open |
| July 14, 2014 | Blackrock Investment Management (UK) Limited | 1.04% | still open |
| July 11, 2014 | Blackrock Investment Management (UK) Limited | 0.97% | still open |
| June 30, 2014 | Blackrock Investment Management (UK) Limited | 0.71% | still open |
| June 19, 2014 | Blackrock Investment Management (UK) Limited | 0.68% | still open |
| June 2, 2014 | Blackrock Investment Management (UK) Limited | 0.77% | still open |
| May 22, 2014 | Blackrock Investment Management (UK) Limited | 0.89% | still open |
| May 2, 2014 | Blackrock Investment Management (UK) Limited | 0.98% | still open |
| April 1, 2014 | Blackrock Investment Management (UK) Limited | 1.08% | still open |
| March 5, 2014 | Blackrock Investment Management (UK) Limited | 1.17% | still open |
| January 6, 2014 | Blackrock Investment Management (UK) Limited | 1.26% | still open |
| January 3, 2014 | Blackrock Investment Management (UK) Limited | 1.31% | still open |
| October 29, 2013 | Blackrock Investment Management (UK) Limited | 1.49% | still open |
| October 22, 2013 | Blackrock Investment Management (UK) Limited | 1.51% | still open |
| October 16, 2013 | Blackrock Investment Management (UK) Limited | 1.40% | still open |
| September 27, 2013 | Blackrock Investment Management (UK) Limited | 1.38% | still open |
| September 10, 2013 | Blackrock Investment Management (UK) Limited | 1.45% | still open |
| September 9, 2013 | Blackrock Investment Management (UK) Limited | 1.59% | still open |
| August 13, 2013 | Blackrock Investment Management (UK) Limited | 1.63% | still open |
| July 17, 2013 | Blackrock Investment Management (UK) Limited | 1.71% | still open |
| July 9, 2013 | Blackrock Investment Management (UK) Limited | 1.69% | still open |
| March 15, 2013 | Blackrock Investment Management (UK) Limited | 1.70% | still open |
| February 19, 2013 | Blackrock Investment Management (UK) Limited | 1.61% | still open |
| February 12, 2013 | UBS AG | 0.49% | still open |
| February 8, 2013 | UBS AG | 0.52% | still open |
| January 31, 2013 | Blackrock Investment Management (UK) Limited | 1.69% | still open |
| January 25, 2013 | Blackrock Investment Management (UK) Limited | 1.71% | still open |
| January 25, 2013 | Polar Capital LLP | 0.73% | still open |
| January 24, 2013 | Polar Capital LLP | 0.66% | still open |
| January 23, 2013 | Polar Capital LLP | 0.56% | still open |
| January 11, 2013 | Blackrock Investment Management (UK) Limited | 1.69% | still open |
| January 10, 2013 | Blackrock Investment Management (UK) Limited | 1.70% | still open |
| January 7, 2013 | Blackrock Investment Management (UK) Limited | 1.69% | still open |
| December 12, 2012 | Blackrock Investment Management (UK) Limited | 1.78% | still open |
| December 3, 2012 | Blackrock Investment Management (UK) Limited | 1.69% | still open |
| November 1, 2012 | Blackrock Investment Management (UK) Limited | 1.75% | still open |