| February 1, 2016 | UBS Asset Management (UK) LTD | 0.72% | still open |
| January 26, 2016 | Miura Global Management, LLC | 0.80% | still open |
| January 22, 2016 | Jericho Capital Asset Management L.P. | 4.22% | still open |
| January 21, 2016 | Blackrock Investment Management (UK) Limited | 1.65% | still open |
| January 21, 2016 | Hunt Lane Capital LP | 0.72% | still open |
| January 20, 2016 | Blackrock Investment Management (UK) Limited | 1.59% | still open |
| January 20, 2016 | AQR Capital Management, LLC | 0.70% | still open |
| January 19, 2016 | Jericho Capital Asset Management L.P. | 4.05% | still open |
| January 19, 2016 | Jpmorgan Asset Management (UK) LTD | 1.27% | still open |
| January 19, 2016 | Blackrock Investment Management (UK) Limited | 1.12% | still open |
| January 19, 2016 | Hunt Lane Capital LP | 0.66% | still open |
| January 19, 2016 | Discovery Capital Management, LLC | 0.57% | still open |
| January 18, 2016 | Jericho Capital Asset Management L.P. | 3.79% | still open |
| January 18, 2016 | Blackrock Investment Management (UK) Limited | 0.87% | still open |
| January 18, 2016 | Hunt Lane Capital LP | 0.56% | still open |
| January 15, 2016 | Jericho Capital Asset Management L.P. | 3.34% | still open |
| January 15, 2016 | UBS Asset Management (UK) LTD | 0.61% | still open |
| January 15, 2016 | Shannon River Fund Management, LLC | 0.53% | still open |
| January 14, 2016 | Jericho Capital Asset Management L.P. | 3.04% | still open |
| January 12, 2016 | Jericho Capital Asset Management L.P. | 2.61% | still open |
| January 12, 2016 | Jpmorgan Asset Management (UK) LTD | 1.30% | still open |
| January 12, 2016 | Blackrock Investment Management (UK) Limited | 0.71% | still open |
| January 11, 2016 | AQR Capital Management, LLC | 0.62% | still open |
| January 8, 2016 | Jericho Capital Asset Management L.P. | 2.28% | still open |
| January 7, 2016 | Blackrock Investment Management (UK) Limited | 0.65% | still open |
| January 6, 2016 | Blackrock Investment Management (UK) Limited | 0.59% | still open |
| January 5, 2016 | Public Equity Partners Management, L.P. | 0.60% | still open |
| January 4, 2016 | Jericho Capital Asset Management L.P. | 2.08% | still open |
| January 4, 2016 | Jpmorgan Asset Management (UK) LTD | 1.25% | still open |
| December 31, 2015 | Jericho Capital Asset Management L.P. | 1.89% | still open |
| December 31, 2015 | Miura Global Management, LLC | 0.74% | still open |
| December 30, 2015 | Jericho Capital Asset Management L.P. | 1.79% | still open |
| December 29, 2015 | Jericho Capital Asset Management L.P. | 1.54% | still open |
| December 29, 2015 | Miura Global Management, LLC | 0.55% | still open |
| December 22, 2015 | Jpmorgan Asset Management (UK) LTD | 1.12% | still open |
| December 18, 2015 | Cpmg, INC. | 0.43% | still open |
| December 14, 2015 | Cpmg, INC. | 0.54% | still open |
| December 10, 2015 | Blackrock Investment Management (UK) Limited | 0.64% | still open |
| December 7, 2015 | AQR Capital Management, LLC | 0.50% | still open |
| December 3, 2015 | Blackrock Investment Management (UK) Limited | 0.59% | still open |
| December 1, 2015 | Blackrock Investment Management (UK) Limited | 0.60% | still open |
| December 1, 2015 | Public Equity Partners Management, L.P. | 0.51% | still open |
| November 30, 2015 | Jericho Capital Asset Management L.P. | 1.46% | still open |
| November 23, 2015 | Jpmorgan Asset Management (UK) LTD | 1.02% | still open |
| November 17, 2015 | GMT Capital Corp | 3.40% | still open |
| November 12, 2015 | Jericho Capital Asset Management L.P. | 1.02% | still open |
| November 12, 2015 | Cpmg, INC. | 0.92% | still open |
| November 11, 2015 | Jericho Capital Asset Management L.P. | 0.93% | still open |
| November 5, 2015 | Jpmorgan Asset Management (UK) LTD | 0.94% | still open |
| October 29, 2015 | Blackrock Investment Management (UK) Limited | 0.50% | still open |