| 15. Dezember 2014 | Elliott Capital Advisors L.P * | 1,82 % | |
| 5. Dezember 2014 | Elliott Capital Advisors L.P * | 1,96 % | |
| 3. Dezember 2014 | Logos International Sicav-Fis * | 0,49 % | |
| 1. Dezember 2014 | Elliott Capital Advisors L.P * | 1,84 % | |
| 26. November 2014 | Cheyne Capital Management (UK) LLP | 0,20 % | |
| 25. November 2014 | Cheyne Capital Management (UK) LLP | 0,98 % | |
| 25. November 2014 | Logos International Sicav-Fis * | 0,65 % | |
| 24. November 2014 | Cheyne Capital Management (UK) LLP | 1,96 % | |
| 18. November 2014 | Cheyne Capital Management (UK) LLP | 2,09 % | |
| 17. November 2014 | Logos International Sicav-Fis * | 0,60 % | |
| 14. November 2014 | Cheyne Capital Management (UK) LLP | 2,14 % | |
| 13. November 2014 | Cheyne Capital Management (UK) LLP | 2,00 % | |
| 12. November 2014 | Cheyne Capital Management (UK) LLP | 1,81 % | |
| 11. November 2014 | Cheyne Capital Management (UK) LLP | 1,67 % | |
| 10. November 2014 | Cheyne Capital Management (UK) LLP | 1,42 % | |
| 6. November 2014 | Cheyne Capital Management (UK) LLP | 1,28 % | |
| 4. November 2014 | Cheyne Capital Management (UK) LLP | 1,14 % | |
| 29. Oktober 2014 | Marshall Wace LLP | 0,38 % | |
| 22. Oktober 2014 | Elliott Capital Advisors L.P * | 1,93 % | |
| 21. Oktober 2014 | Elliott Capital Advisors L.P * | 2,15 % | |
| 20. Oktober 2014 | Marshall Wace LLP | 0,54 % | |
| 14. Oktober 2014 | Jericho Capital Asset Management LP | 0,44 % | |
| 13. Oktober 2014 | Jericho Capital Asset Management LP | 0,53 % | |
| 10. Oktober 2014 | Jericho Capital Asset Management LP | 0,76 % | |
| 8. Oktober 2014 | Cheyne Capital Management (UK) LLP | 1,03 % | |
| 6. Oktober 2014 | Cheyne Capital Management (UK) LLP | 0,93 % | |
| 3. Oktober 2014 | Cheyne Capital Management (UK) LLP | 0,89 % | |
| 2. Oktober 2014 | Cheyne Capital Management (UK) LLP | 0,70 % | |
| 30. September 2014 | Cheyne Capital Management (UK) LLP | 0,52 % | |
| 25. September 2014 | Logos International Sicav-Fis * | 0,27 % | |
| 24. September 2014 | Logos International Sicav-Fis * | 0,52 % | |
| 23. September 2014 | GAP Gestora de Recursos LTDA * | 0,49 % | |
| 22. September 2014 | GAP Gestora de Recursos LTDA * | 0,51 % | |
| 16. September 2014 | Jericho Capital Asset Management LP | 0,90 % | |
| 15. September 2014 | Elliott Capital Advisors L.P * | 2,82 % | |
| 15. September 2014 | Jericho Capital Asset Management LP | 1,05 % | |
| 11. September 2014 | Elliott Capital Advisors L.P * | 2,70 % | |
| 10. September 2014 | Elliott Capital Advisors L.P * | 2,60 % | |
| 8. September 2014 | Elliott Capital Advisors L.P * | 2,50 % | |
| 5. September 2014 | Elliott Capital Advisors L.P * | 2,37 % | |
| 28. August 2014 | Elliott Capital Advisors L.P * | 2,11 % | |
| 31. Juli 2014 | Hengistbury Investment Partners LLP | 0,48 % | |
| 31. Juli 2014 | Marshall Wace LLP | 0,34 % | |
| 30. Juli 2014 | Marshall Wace LLP | 0,51 % | |
| 29. Juli 2014 | Marshall Wace LLP | 0,61 % | |
| 28. Juli 2014 | Falcon Edge Capital, LP | 1,13 % | |
| 28. Juli 2014 | Logos International Sicav-Fis * | 0,62 % | |
| 24. Juli 2014 | Marshall Wace LLP | 0,78 % | |
| 24. Juli 2014 | Hengistbury Investment Partners LLP | 0,59 % | |
| 23. Juli 2014 | BTG Pactual Europe LLP | 0,43 % | |