| 30 mei 2013 | Blau Gmbh | 1,51% | lopend |
| 29 mei 2013 | Blau Gmbh | 1,64% | lopend |
| 28 mei 2013 | Blau Gmbh | 1,74% | lopend |
| 24 mei 2013 | Blau Gmbh | 1,94% | lopend |
| 21 mei 2013 | Blau Gmbh | 2,07% | lopend |
| 20 mei 2013 | Blau Gmbh | 2,16% | lopend |
| 16 mei 2013 | Blau Gmbh | 2,24% | lopend |
| 2 mei 2013 | Newbrook Capital Advisors LP | 1,73% | lopend |
| 17 april 2013 | Blackrock Investment Management (UK) Limited | 0,89% | lopend |
| 8 april 2013 | Blackrock Investment Management (UK) Limited | 0,99% | lopend |
| 2 april 2013 | Conatus Capital Management LP | 0,46% | lopend |
| 27 maart 2013 | Conatus Capital Management LP | 0,57% | lopend |
| 26 maart 2013 | Conatus Capital Management LP | 0,60% | lopend |
| 25 maart 2013 | Blau Gmbh | 2,31% | lopend |
| 25 maart 2013 | Conatus Capital Management LP | 0,77% | lopend |
| 22 maart 2013 | Conatus Capital Management LP | 0,86% | lopend |
| 21 maart 2013 | Blackrock Investment Management (UK) Limited | 1,00% | lopend |
| 21 maart 2013 | Conatus Capital Management LP | 0,97% | lopend |
| 20 maart 2013 | Blackrock Investment Management (UK) Limited | 0,99% | lopend |
| 15 maart 2013 | Newbrook Capital Advisors LP | 1,73% | lopend |
| 15 maart 2013 | Blackrock Investment Management (UK) Limited | 1,01% | lopend |
| 14 maart 2013 | Blackrock Investment Management (UK) Limited | 1,26% | lopend |
| 8 maart 2013 | Blackrock Investment Management (UK) Limited | 1,41% | lopend |
| 7 maart 2013 | Blackrock Investment Management (UK) Limited | 1,14% | lopend |
| 1 februari 2013 | Marble Arch Investments, LP | 1,38% | lopend |
| 28 januari 2013 | Marble Arch Investments, LP | 1,47% | lopend |
| 28 januari 2013 | Blackrock Investment Management (UK) Limited | 0,97% | lopend |
| 24 januari 2013 | Marble Arch Investments, LP | 1,56% | lopend |
| 21 januari 2013 | Blackrock Investment Management (UK) Limited | 1,07% | lopend |
| 18 januari 2013 | Blackrock Investment Management (UK) Limited | 1,14% | lopend |
| 18 januari 2013 | Barrington Wilshire LLC | 0,49% | lopend |
| 17 januari 2013 | Blau Gmbh | 2,28% | lopend |
| 17 januari 2013 | Blackrock Investment Management (UK) Limited | 1,26% | lopend |
| 17 januari 2013 | Odey Asset Management LLP | 0,05% | lopend |
| 15 januari 2013 | Maverick Capital, LTD. | 3,30% | lopend |
| 15 januari 2013 | Morton Holdings, INC. | 1,15% | lopend |
| 14 januari 2013 | Blau Gmbh | 2,12% | lopend |
| 14 januari 2013 | Barrington Wilshire LLC | 0,60% | lopend |
| 10 januari 2013 | Barrington Wilshire LLC | 0,65% | lopend |
| 8 januari 2013 | Blau Gmbh | 2,00% | lopend |
| 4 januari 2013 | Lone Pine Capital LLC | 1,41% | lopend |
| 3 januari 2013 | Lone Pine Capital LLC | 1,37% | lopend |
| 28 december 2012 | Blackrock Investment Management (UK) Limited | 1,47% | lopend |
| 21 december 2012 | Barrington Wilshire LLC | 0,80% | lopend |
| 17 december 2012 | Barrington Wilshire LLC | 0,89% | lopend |
| 12 december 2012 | Barrington Wilshire LLC | 0,98% | lopend |
| 12 december 2012 | Odey Asset Management LLP | 0,51% | lopend |
| 11 december 2012 | Barrington Wilshire LLC | 1,06% | lopend |
| 7 december 2012 | Barrington Wilshire LLC | 1,23% | lopend |
| 6 december 2012 | Newbrook Capital Advisors LP | 1,64% | lopend |
| 6 december 2012 | Blackrock Investment Management (UK) Limited | 1,50% | lopend |
| 5 december 2012 | Odey Asset Management LLP | 0,34% | lopend |
| 28 november 2012 | Blau Gmbh | 2,28% | lopend |
| 23 november 2012 | Newbrook Capital Advisors LP | 1,51% | lopend |
| 16 november 2012 | Newbrook Capital Advisors LP | 1,44% | lopend |
| 15 november 2012 | Newbrook Capital Advisors LP | 1,30% | lopend |
| 7 november 2012 | Marble Arch Investments, LP | 1,68% | lopend |
| 1 november 2012 | Maverick Capital, LTD. | 4,45% | lopend |
| 1 november 2012 | Marble Arch Investments, LP | 1,79% | lopend |
| 1 november 2012 | Blackrock Investment Management (UK) Limited | 1,43% | lopend |
| 1 november 2012 | Barrington Wilshire LLC | 1,41% | lopend |
| 1 november 2012 | Newbrook Capital Advisors LP | 1,13% | lopend |
| 1 november 2012 | Conatus Capital Management LP | 1,10% | lopend |
| 1 november 2012 | Lone Pine Capital LLC | 1,05% | lopend |
| 1 november 2012 | Odey Asset Management LLP | 0,62% | lopend |