| November 4, 2019 | Merian Global Investors (UK) Limited | 0.48% | still open |
| October 29, 2019 | Merian Global Investors (UK) Limited | 0.55% | still open |
| October 24, 2019 | Merian Global Investors (UK) Limited | 0.67% | still open |
| October 21, 2019 | Merian Global Investors (UK) Limited | 0.75% | still open |
| October 16, 2019 | Merian Global Investors (UK) Limited | 0.89% | still open |
| October 15, 2019 | Merian Global Investors (UK) Limited | 0.94% | still open |
| October 4, 2019 | Merian Global Investors (UK) Limited | 1.02% | still open |
| October 3, 2019 | Merian Global Investors (UK) Limited | 0.94% | still open |
| September 27, 2019 | Merian Global Investors (UK) Limited | 0.82% | still open |
| September 25, 2019 | Merian Global Investors (UK) Limited | 0.96% | still open |
| September 19, 2019 | Merian Global Investors (UK) Limited | 1.16% | still open |
| September 12, 2019 | Merian Global Investors (UK) Limited | 1.26% | still open |
| September 11, 2019 | Merian Global Investors (UK) Limited | 1.36% | still open |
| September 6, 2019 | Merian Global Investors (UK) Limited | 1.43% | still open |
| August 29, 2019 | Merian Global Investors (UK) Limited | 1.50% | still open |
| August 23, 2019 | Merian Global Investors (UK) Limited | 1.40% | still open |
| August 6, 2019 | Merian Global Investors (UK) Limited | 1.50% | still open |
| August 1, 2019 | Merian Global Investors (UK) Limited | 1.44% | still open |
| July 19, 2019 | Merian Global Investors (UK) Limited | 1.34% | still open |
| July 16, 2019 | Merian Global Investors (UK) Limited | 1.20% | still open |
| July 11, 2019 | Merian Global Investors (UK) Limited | 1.12% | still open |
| July 9, 2019 | Merian Global Investors (UK) Limited | 1.01% | still open |
| July 3, 2019 | Merian Global Investors (UK) Limited | 0.91% | still open |
| June 28, 2019 | Merian Global Investors (UK) Limited | 0.82% | still open |
| June 26, 2019 | Merian Global Investors (UK) Limited | 0.73% | still open |
| June 24, 2019 | Merian Global Investors (UK) Limited | 0.60% | still open |
| June 21, 2019 | Merian Global Investors (UK) Limited | 0.53% | still open |
| September 28, 2018 | Merian Global Investors (UK) Limited | 0.48% | still open |
| September 25, 2018 | Merian Global Investors (UK) Limited | 0.57% | still open |
| September 21, 2018 | Merian Global Investors (UK) Limited | 0.66% | still open |
| August 28, 2018 | Merian Global Investors (UK) Limited | 0.79% | still open |
| August 23, 2018 | Merian Global Investors (UK) Limited | 0.88% | still open |
| August 22, 2018 | Merian Global Investors (UK) Limited | 0.95% | still open |
| August 21, 2018 | Merian Global Investors (UK) Limited | 1.03% | still open |
| August 20, 2018 | Merian Global Investors (UK) Limited | 1.12% | still open |
| July 25, 2018 | Merian Global Investors (UK) Limited | 1.22% | still open |
| July 18, 2018 | Merian Global Investors (UK) Limited | 1.12% | still open |
| July 12, 2018 | Merian Global Investors (UK) Limited | 1.00% | still open |
| July 2, 2018 | Merian Global Investors (UK) Limited | 0.91% | still open |
| June 27, 2018 | Merian Global Investors (UK) Limited | 0.83% | still open |
| June 20, 2018 | Merian Global Investors (UK) Limited | 0.71% | still open |
| June 19, 2018 | Merian Global Investors (UK) Limited | 0.66% | still open |
| June 15, 2018 | Merian Global Investors (UK) Limited | 0.53% | still open |
| April 5, 2018 | Henderson Global Investors Limited | 0.49% | still open |
| March 21, 2018 | Henderson Global Investors Limited | 0.52% | still open |
| February 9, 2018 | Henderson Global Investors Limited | 0.49% | still open |
| February 8, 2018 | Henderson Global Investors Limited | 0.54% | still open |