| March 28, 2018 | Leucadia Investment Management Limited | 0.95% | still open |
| March 27, 2018 | Lombard Odier Asset Management (europe) Limited | 2.16% | still open |
| March 27, 2018 | Leucadia Investment Management Limited | 0.57% | still open |
| March 8, 2018 | Ennismore Fund Management Limited | 3.69% | still open |
| March 7, 2018 | Ennismore Fund Management Limited | 4.09% | still open |
| March 5, 2018 | Ennismore Fund Management Limited | 4.11% | still open |
| March 5, 2018 | Lombard Odier Asset Management (europe) Limited | 1.78% | still open |
| March 1, 2018 | Ennismore Fund Management Limited | 4.37% | still open |
| February 15, 2018 | Ennismore Fund Management Limited | 4.46% | still open |
| February 12, 2018 | Ennismore Fund Management Limited | 4.69% | still open |
| February 9, 2018 | Ennismore Fund Management Limited | 4.75% | still open |
| February 8, 2018 | Ennismore Fund Management Limited | 5.08% | still open |
| February 2, 2018 | Ennismore Fund Management Limited | 5.26% | still open |
| February 1, 2018 | Ennismore Fund Management Limited | 5.32% | still open |
| February 1, 2018 | Lombard Odier Asset Management (europe) Limited | 1.56% | still open |
| January 31, 2018 | Ennismore Fund Management Limited | 5.66% | still open |
| January 30, 2018 | Ennismore Fund Management Limited | 5.73% | still open |
| January 29, 2018 | Ennismore Fund Management Limited | 5.85% | still open |
| January 10, 2018 | Leucadia Investment Management Limited | 0.42% | still open |
| January 9, 2018 | Leucadia Investment Management Limited | 0.61% | still open |
| January 3, 2018 | Lombard Odier Asset Management (europe) Limited | 1.28% | still open |
| December 28, 2017 | Lombard Odier Asset Management (europe) Limited | 0.94% | still open |
| December 22, 2017 | City Financial Investment Company Limited | 2.26% | still open |
| December 21, 2017 | Lombard Odier Asset Management (europe) Limited | 0.80% | still open |
| December 20, 2017 | Lombard Odier Asset Management (europe) Limited | 0.78% | still open |
| December 18, 2017 | Lombard Odier Asset Management (europe) Limited | 0.55% | still open |
| December 15, 2017 | Leucadia Investment Management Limited | 0.76% | still open |
| November 22, 2017 | Merian Global Investors (UK) Limited | 0.41% | still open |
| November 20, 2017 | Merian Global Investors (UK) Limited | 0.56% | still open |
| November 9, 2017 | Leucadia Investment Management Limited | 0.00% | still open |
| November 8, 2017 | Lombard Odier Asset Management (europe) Limited | 0.47% | still open |
| November 3, 2017 | Lombard Odier Asset Management (europe) Limited | 0.59% | still open |
| November 2, 2017 | Lombard Odier Asset Management (europe) Limited | 1.29% | still open |
| November 2, 2017 | Leucadia Investment Management Limited | 0.53% | still open |
| November 1, 2017 | Leucadia Investment Management Limited | 0.84% | still open |
| October 31, 2017 | Lombard Odier Asset Management (europe) Limited | 0.98% | still open |
| October 27, 2017 | Lombard Odier Asset Management (europe) Limited | 1.03% | still open |
| October 26, 2017 | Lombard Odier Asset Management (europe) Limited | 1.10% | still open |
| October 25, 2017 | Lombard Odier Asset Management (europe) Limited | 1.45% | still open |
| October 25, 2017 | Leucadia Investment Management Limited | 0.98% | still open |
| October 24, 2017 | Lombard Odier Asset Management (europe) Limited | 1.51% | still open |
| October 23, 2017 | Lombard Odier Asset Management (europe) Limited | 1.68% | still open |
| October 20, 2017 | Lombard Odier Asset Management (europe) Limited | 1.91% | still open |
| October 20, 2017 | Leucadia Investment Management Limited | 1.07% | still open |
| October 17, 2017 | Lombard Odier Asset Management (europe) Limited | 1.82% | still open |
| October 17, 2017 | Merian Global Investors (UK) Limited | 0.69% | still open |
| October 16, 2017 | Lombard Odier Asset Management (europe) Limited | 1.73% | still open |
| October 16, 2017 | Leucadia Investment Management Limited | 0.91% | still open |
| October 16, 2017 | Merian Global Investors (UK) Limited | 0.85% | still open |
| October 13, 2017 | Lombard Odier Asset Management (europe) Limited | 1.68% | still open |