| November 28, 2019 | GLG Partners LP | 1.72% | still open |
| November 12, 2019 | Blackrock Investment Management (UK) Limited | 2.79% | still open |
| November 11, 2019 | Blackrock Investment Management (UK) Limited | 2.80% | still open |
| November 6, 2019 | GLG Partners LP | 1.63% | still open |
| October 17, 2019 | GLG Partners LP | 1.53% | still open |
| October 10, 2019 | GLG Partners LP | 1.42% | still open |
| October 8, 2019 | GLG Partners LP | 1.32% | still open |
| October 1, 2019 | GLG Partners LP | 1.20% | still open |
| September 27, 2019 | GLG Partners LP | 1.05% | still open |
| August 16, 2019 | Blackrock Investment Management (UK) Limited | 2.90% | still open |
| July 24, 2019 | Blackrock Investment Management (UK) Limited | 2.82% | still open |
| July 22, 2019 | Blackrock Investment Management (UK) Limited | 2.78% | still open |
| June 13, 2019 | GLG Partners LP | 0.80% | still open |
| June 6, 2019 | Blackrock Investment Management (UK) Limited | 2.60% | still open |
| May 14, 2019 | Blackrock Investment Management (UK) Limited | 2.55% | still open |
| May 13, 2019 | Blackrock Investment Management (UK) Limited | 2.48% | still open |
| May 7, 2019 | GLG Partners LP | 0.70% | still open |
| April 1, 2019 | Blackrock Investment Management (UK) Limited | 2.35% | still open |
| March 29, 2019 | Blackrock Investment Management (UK) Limited | 2.26% | still open |
| March 7, 2019 | Blackrock Investment Management (UK) Limited | 2.35% | still open |
| January 24, 2019 | Blackrock Investment Management (UK) Limited | 2.26% | still open |
| January 23, 2019 | Blackrock Investment Management (UK) Limited | 2.36% | still open |
| January 11, 2019 | Blackrock Investment Management (UK) Limited | 2.40% | still open |
| January 3, 2019 | GLG Partners LP | 0.60% | still open |
| December 14, 2018 | Polar Capital LLP | 0.48% | still open |
| December 5, 2018 | Polar Capital LLP | 0.77% | still open |
| December 3, 2018 | GLG Partners LP | 0.59% | still open |
| November 29, 2018 | Polar Capital LLP | 0.84% | still open |
| November 21, 2018 | Polar Capital LLP | 1.47% | still open |
| November 14, 2018 | Polar Capital LLP | 1.66% | still open |
| September 11, 2018 | Blackrock Investment Management (UK) Limited | 2.73% | still open |
| September 5, 2018 | Blackrock Investment Management (UK) Limited | 2.60% | still open |
| August 21, 2018 | Blackrock Investment Management (UK) Limited | 2.52% | still open |
| July 23, 2018 | Blackrock Investment Management (UK) Limited | 2.40% | still open |
| July 20, 2018 | Blackrock Investment Management (UK) Limited | 2.00% | still open |
| July 19, 2018 | Blackrock Investment Management (UK) Limited | 1.99% | still open |
| July 18, 2018 | Blackrock Investment Management (UK) Limited | 1.72% | still open |
| July 16, 2018 | GLG Partners LP | 0.69% | still open |
| July 11, 2018 | Blackrock Investment Management (UK) Limited | 1.20% | still open |
| July 9, 2018 | Blackrock Investment Management (UK) Limited | 1.14% | still open |
| July 5, 2018 | Blackrock Investment Management (UK) Limited | 1.06% | still open |
| July 3, 2018 | Polar Capital LLP | 1.77% | still open |
| June 26, 2018 | Blackrock Investment Management (UK) Limited | 0.90% | still open |
| June 25, 2018 | GLG Partners LP | 0.70% | still open |
| June 18, 2018 | Blackrock Investment Management (UK) Limited | 0.80% | still open |
| June 12, 2018 | Blackrock Investment Management (UK) Limited | 0.70% | still open |
| June 8, 2018 | Blackrock Investment Management (UK) Limited | 0.58% | still open |
| April 26, 2018 | GLG Partners LP | 0.60% | still open |
| April 12, 2018 | GLG Partners LP | 0.59% | still open |
| April 12, 2018 | Jpmorgan Asset Management (UK) LTD | 0.47% | still open |