| August 2, 2017 | Lombard Odier Asset Management (europe) Limited | 2.04% | still open |
| August 2, 2017 | Leucadia Investment Management Limited | 0.60% | still open |
| August 1, 2017 | Ennismore Fund Management Limited | 4.33% | still open |
| August 1, 2017 | Lombard Odier Asset Management (europe) Limited | 1.94% | still open |
| July 24, 2017 | Merian Global Investors (UK) Limited | 1.54% | still open |
| July 24, 2017 | Lombard Odier Asset Management (europe) Limited | 1.46% | still open |
| July 21, 2017 | Ennismore Fund Management Limited | 4.25% | still open |
| July 18, 2017 | Ennismore Fund Management Limited | 4.11% | still open |
| July 18, 2017 | City Financial Investment Company Limited | 2.42% | still open |
| July 15, 2017 | City Financial Investment Company Limited | 2.34% | still open |
| July 14, 2017 | City Financial Investment Company Limited | 2.23% | still open |
| July 11, 2017 | Lombard Odier Asset Management (europe) Limited | 1.30% | still open |
| July 10, 2017 | Merian Global Investors (UK) Limited | 1.31% | still open |
| July 7, 2017 | Merian Global Investors (UK) Limited | 1.28% | still open |
| July 6, 2017 | Ennismore Fund Management Limited | 4.00% | still open |
| July 5, 2017 | City Financial Investment Company Limited | 2.18% | still open |
| July 4, 2017 | Ennismore Fund Management Limited | 3.94% | still open |
| July 3, 2017 | Ennismore Fund Management Limited | 3.82% | still open |
| July 3, 2017 | Lombard Odier Asset Management (europe) Limited | 1.21% | still open |
| June 20, 2017 | Lombard Odier Asset Management (europe) Limited | 1.00% | still open |
| June 12, 2017 | Lombard Odier Asset Management (europe) Limited | 1.26% | still open |
| June 8, 2017 | Lombard Odier Asset Management (europe) Limited | 1.08% | still open |
| June 7, 2017 | Lombard Odier Asset Management (europe) Limited | 1.25% | still open |
| June 1, 2017 | Merian Global Investors (UK) Limited | 1.16% | still open |
| May 30, 2017 | City Financial Investment Company Limited | 2.21% | still open |
| May 24, 2017 | City Financial Investment Company Limited | 1.97% | still open |
| May 24, 2017 | Lombard Odier Asset Management (europe) Limited | 1.42% | still open |
| May 10, 2017 | Ennismore Fund Management Limited | 3.63% | still open |
| May 10, 2017 | City Financial Investment Company Limited | 2.09% | still open |
| May 10, 2017 | Merian Global Investors (UK) Limited | 1.35% | still open |
| May 10, 2017 | Lombard Odier Asset Management (europe) Limited | 1.26% | still open |
| April 11, 2017 | Merian Global Investors (UK) Limited | 1.48% | still open |
| April 6, 2017 | Lombard Odier Asset Management (europe) Limited | 1.39% | still open |
| March 27, 2017 | Blackrock Investment Management (UK) Limited | 0.49% | still open |
| March 24, 2017 | Lombard Odier Asset Management (europe) Limited | 1.47% | still open |
| March 24, 2017 | Blackrock Investment Management (UK) Limited | 0.53% | still open |
| March 22, 2017 | Blackrock Investment Management (UK) Limited | 0.66% | still open |
| March 21, 2017 | Merian Global Investors (UK) Limited | 1.55% | still open |
| March 20, 2017 | Blackrock Investment Management (UK) Limited | 0.77% | still open |
| March 17, 2017 | Blackrock Investment Management (UK) Limited | 0.82% | still open |
| March 16, 2017 | Lombard Odier Asset Management (europe) Limited | 1.50% | still open |
| March 15, 2017 | Ennismore Fund Management Limited | 3.99% | still open |
| March 13, 2017 | City Financial Investment Company Limited | 2.31% | still open |
| March 13, 2017 | Lombard Odier Asset Management (europe) Limited | 1.65% | still open |
| March 13, 2017 | Polar Capital LLP | 0.44% | still open |
| March 10, 2017 | City Financial Investment Company Limited | 2.27% | still open |
| February 24, 2017 | City Financial Investment Company Limited | 2.00% | still open |
| February 23, 2017 | City Financial Investment Company Limited | 2.13% | still open |
| February 14, 2017 | Ennismore Fund Management Limited | 4.00% | still open |
| February 13, 2017 | Ennismore Fund Management Limited | 3.90% | still open |