| April 1, 2016 | GSA Capital Partners LLP | 0.49% | still open |
| March 8, 2016 | GSA Capital Partners LLP | 0.50% | still open |
| March 2, 2016 | GSA Capital Partners LLP | 0.49% | still open |
| December 8, 2015 | Blackrock Investment Management (UK) Limited | 0.49% | still open |
| October 8, 2015 | GSA Capital Partners LLP | 0.50% | still open |
| October 2, 2015 | GSA Capital Partners LLP | 0.49% | still open |
| September 2, 2015 | Blackrock Investment Management (UK) Limited | 0.51% | still open |
| August 27, 2015 | GSA Capital Partners LLP | 0.50% | still open |
| May 18, 2015 | Blackrock Investment Management (UK) Limited | 0.48% | still open |
| April 28, 2015 | Blackrock Investment Management (UK) Limited | 0.58% | still open |
| April 21, 2015 | Blackrock Investment Management (UK) Limited | 0.68% | still open |
| March 27, 2015 | Blackrock Investment Management (UK) Limited | 0.75% | still open |
| March 18, 2015 | Blackrock Investment Management (UK) Limited | 0.81% | still open |
| March 3, 2015 | Blackrock Investment Management (UK) Limited | 0.79% | still open |
| January 21, 2015 | Blackrock Investment Management (UK) Limited | 0.81% | still open |
| January 7, 2015 | Blackrock Investment Management (UK) Limited | 0.71% | still open |
| December 19, 2014 | Blackrock Investment Management (UK) Limited | 0.69% | still open |
| December 16, 2014 | Blackrock Investment Management (UK) Limited | 0.75% | still open |
| December 5, 2014 | Blackrock Investment Management (UK) Limited | 0.82% | still open |
| December 2, 2014 | Blackrock Investment Management (UK) Limited | 0.78% | still open |
| November 27, 2014 | Blackrock Investment Management (UK) Limited | 0.80% | still open |
| November 26, 2014 | Blackrock Investment Management (UK) Limited | 0.77% | still open |
| October 29, 2014 | Blackrock Investment Management (UK) Limited | 0.84% | still open |
| October 22, 2014 | Blackrock Investment Management (UK) Limited | 0.70% | still open |
| October 17, 2014 | Blackrock Investment Management (UK) Limited | 0.61% | still open |
| October 16, 2014 | Blackrock Investment Management (UK) Limited | 0.51% | still open |
| October 7, 2014 | Blackrock Investment Management (UK) Limited | 0.47% | still open |
| September 29, 2014 | Blackrock Investment Management (UK) Limited | 0.53% | still open |
| September 25, 2014 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| September 1, 2014 | Blackrock Investment Management (UK) Limited | 0.56% | still open |
| August 8, 2014 | Blackrock Investment Management (UK) Limited | 0.61% | still open |
| August 6, 2014 | Blackrock Investment Management (UK) Limited | 0.51% | still open |
| December 19, 2013 | Blackrock Investment Management (UK) Limited | 0.35% | still open |
| October 23, 2013 | Blackrock Investment Management (UK) Limited | 0.62% | still open |