| October 13, 2015 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| October 9, 2015 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| October 8, 2015 | Blackrock Investment Management (UK) Limited | 1.98% | still open |
| October 7, 2015 | Blackrock Institutional Trust Company, National Association | 0.59% | still open |
| October 5, 2015 | Blackrock Investment Management (UK) Limited | 2.07% | still open |
| October 2, 2015 | GAM Investment Management (switzerland) LTD. ? Lugano Branch. | 0.50% | still open |
| September 18, 2015 | Blackrock Institutional Trust Company, National Association | 0.69% | still open |
| September 10, 2015 | Blackrock Investment Management (UK) Limited | 2.10% | still open |
| September 8, 2015 | Blackrock Institutional Trust Company, National Association | 0.79% | still open |
| August 25, 2015 | Blackrock Institutional Trust Company, National Association | 0.89% | still open |
| August 24, 2015 | Blackrock Institutional Trust Company, National Association | 0.91% | still open |
| August 24, 2015 | Schroder Investment Management Limited | 0.42% | still open |
| August 21, 2015 | Schroder Investment Management Limited | 0.50% | still open |
| August 10, 2015 | Schroder Investment Management Limited | 0.60% | still open |
| August 7, 2015 | Worldquant LLC | 0.49% | still open |
| July 30, 2015 | Blackrock Institutional Trust Company, National Association | 0.81% | still open |
| July 30, 2015 | Worldquant LLC | 0.50% | still open |
| July 29, 2015 | Blackrock Investment Management (UK) Limited | 2.00% | still open |
| July 27, 2015 | Blackrock Investment Management (UK) Limited | 1.91% | still open |
| July 22, 2015 | Blackrock Investment Management (UK) Limited | 1.82% | still open |
| July 22, 2015 | Blackrock Institutional Trust Company, National Association | 0.70% | still open |
| July 15, 2015 | Blackrock Investment Management (UK) Limited | 1.71% | still open |
| July 10, 2015 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| July 7, 2015 | Blackrock Investment Management (UK) Limited | 1.61% | still open |
| June 18, 2015 | Blackrock Investment Management (UK) Limited | 1.59% | still open |
| June 17, 2015 | Blackrock Institutional Trust Company, National Association | 0.58% | still open |
| June 16, 2015 | Blackrock Investment Management (UK) Limited | 1.60% | still open |
| June 16, 2015 | Insight Investment Management (global) LTD | 1.47% | still open |
| June 11, 2015 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| June 9, 2015 | Blackrock Institutional Trust Company, National Association | 0.58% | still open |
| June 3, 2015 | Blackrock Investment Management (UK) Limited | 1.50% | still open |
| May 28, 2015 | Blackrock Institutional Trust Company, National Association | 0.60% | still open |
| May 27, 2015 | Blackrock Investment Management (UK) Limited | 1.43% | still open |
| May 26, 2015 | Blackrock Institutional Trust Company, National Association | 0.54% | still open |
| May 22, 2015 | Blackrock Investment Management (UK) Limited | 1.35% | still open |
| May 15, 2015 | Blackrock Investment Management (UK) Limited | 1.22% | still open |
| May 11, 2015 | Blackrock Investment Management (UK) Limited | 1.11% | still open |
| May 8, 2015 | Blackrock Investment Management (UK) Limited | 1.09% | still open |
| April 16, 2015 | Blackrock Investment Management (UK) Limited | 1.19% | still open |
| April 9, 2015 | Blackrock Investment Management (UK) Limited | 1.22% | still open |
| April 8, 2015 | Blackrock Investment Management (UK) Limited | 1.12% | still open |
| April 7, 2015 | Blackrock Investment Management (UK) Limited | 1.08% | still open |
| April 2, 2015 | Insight Investment Management (global) LTD | 1.32% | still open |
| April 2, 2015 | Blackrock Investment Management (UK) Limited | 0.80% | still open |
| April 1, 2015 | Schroder Investment Management Limited | 0.56% | still open |
| March 31, 2015 | Blackrock Investment Management (UK) Limited | 0.70% | still open |
| March 31, 2015 | Blackrock Institutional Trust Company, National Association | 0.45% | still open |
| March 12, 2015 | Blackrock Institutional Trust Company, National Association | 0.50% | still open |
| March 11, 2015 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| March 4, 2015 | Blackrock Investment Management (UK) Limited | 0.51% | still open |