| 19. Januar 2018 | S.W. Mitchell Capital LLP | 0,44 % | offen |
| 12. Januar 2018 | S.W. Mitchell Capital LLP | 0,95 % | offen |
| 15. November 2017 | S.W. Mitchell Capital LLP | 1,17 % | offen |
| 4. September 2017 | S.W. Mitchell Capital LLP | 1,29 % | offen |
| 1. September 2017 | S.W. Mitchell Capital LLP | 1,08 % | offen |
| 31. August 2017 | S.W. Mitchell Capital LLP | 0,93 % | offen |
| 10. November 2016 | Ennismore Fund Management Limited | 0,36 % | offen |
| 27. Oktober 2016 | Ennismore Fund Management Limited | 0,65 % | offen |
| 11. Mai 2015 | Ennismore Fund Management Limited | 0,95 % | offen |
| 8. Mai 2015 | Parvus Asset Management Europe Limited | 0,00 % | offen |
| 21. April 2015 | Parvus Asset Management Europe Limited | 0,51 % | offen |
| 8. April 2015 | GMT Capital Corp | 0,02 % | offen |
| 23. März 2015 | GMT Capital Corp | 1,02 % | offen |
| 11. März 2015 | Ennismore Fund Management Limited | 0,85 % | offen |
| 2. März 2015 | GMT Capital Corp | 1,70 % | offen |
| 27. Februar 2015 | GMT Capital Corp | 2,04 % | offen |
| 19. Februar 2015 | GMT Capital Corp | 2,17 % | offen |
| 13. Februar 2015 | Ennismore Fund Management Limited | 0,74 % | offen |
| 11. Februar 2015 | GMT Capital Corp | 2,41 % | offen |
| 23. Januar 2015 | GMT Capital Corp | 2,54 % | offen |
| 16. Januar 2015 | Parvus Asset Management Europe Limited | 1,32 % | offen |
| 4. Dezember 2014 | Parvus Asset Management Europe Limited | 1,17 % | offen |
| 21. November 2014 | GMT Capital Corp | 2,80 % | offen |
| 26. September 2014 | Blackrock Investment Management (UK) Limited | 0,25 % | offen |
| 12. Mai 2014 | Blackrock Investment Management (UK) Limited | 0,57 % | offen |
| 31. März 2014 | Parvus Asset Management Europe Limited | 0,80 % | offen |
| 11. März 2014 | Blackrock Investment Management (UK) Limited | 0,69 % | offen |
| 28. Februar 2014 | Blackrock Investment Management (UK) Limited | 0,78 % | offen |
| 18. Februar 2014 | Blackrock Investment Management (UK) Limited | 0,84 % | offen |
| 4. Februar 2014 | GMT Capital Corp | 3,11 % | offen |
| 3. Januar 2014 | GMT Capital Corp | 3,07 % | offen |
| 11. Dezember 2013 | Parvus Asset Management Europe Limited | 0,78 % | offen |
| 5. Dezember 2013 | Parvus Asset Management Europe Limited | 0,86 % | offen |
| 3. Dezember 2013 | Parvus Asset Management Europe Limited | 0,92 % | offen |
| 29. November 2013 | Parvus Asset Management Europe Limited | 1,09 % | offen |
| 27. November 2013 | Parvus Asset Management Europe Limited | 1,18 % | offen |
| 23. September 2013 | Blackrock Investment Management (UK) Limited | 0,99 % | offen |
| 18. September 2013 | GMT Capital Corp | 2,93 % | offen |
| 18. September 2013 | Parvus Asset Management Europe Limited | 1,20 % | offen |
| 6. September 2013 | Blackrock Investment Management (UK) Limited | 1,05 % | offen |
| 21. August 2013 | Blackrock Investment Management (UK) Limited | 1,14 % | offen |
| 5. August 2013 | Blackrock Investment Management (UK) Limited | 1,29 % | offen |
| 31. Juli 2013 | GMT Capital Corp | 3,38 % | offen |
| 30. Juli 2013 | Blackrock Investment Management (UK) Limited | 1,44 % | offen |
| 2. Juli 2013 | Blackrock Investment Management (UK) Limited | 1,69 % | offen |
| 31. Mai 2013 | Alphagen Capital Limited | 0,28 % | offen |
| 23. Mai 2013 | GMT Capital Corp | 3,49 % | offen |
| 25. April 2013 | Blackrock Investment Management (UK) Limited | 1,78 % | offen |
| 24. April 2013 | Alphagen Capital Limited | 0,51 % | offen |
| 23. April 2013 | Alphagen Capital Limited | 0,49 % | offen |
| 17. April 2013 | Alphagen Capital Limited | 0,60 % | offen |
| 10. April 2013 | Alphagen Capital Limited | 0,59 % | offen |
| 5. April 2013 | Blackrock Investment Management (UK) Limited | 2,19 % | offen |
| 27. März 2013 | Blackrock Investment Management (UK) Limited | 2,21 % | offen |
| 27. März 2013 | Alphagen Capital Limited | 0,62 % | offen |
| 21. März 2013 | Alphagen Capital Limited | 0,76 % | offen |
| 18. März 2013 | Blackrock Investment Management (UK) Limited | 2,39 % | offen |
| 12. März 2013 | Alphagen Capital Limited | 0,89 % | offen |
| 6. März 2013 | Alphagen Capital Limited | 0,98 % | offen |
| 27. Februar 2013 | Blackrock Investment Management (UK) Limited | 2,41 % | offen |
| 16. Januar 2013 | Ennismore Fund Management Limited | 0,69 % | offen |
| 1. November 2012 | GMT Capital Corp | 3,55 % | offen |
| 1. November 2012 | Blackrock Investment Management (UK) Limited | 2,57 % | offen |
| 1. November 2012 | Parvus Asset Management Europe Limited | 1,16 % | offen |
| 1. November 2012 | Alphagen Capital Limited | 1,01 % | offen |