| Octopus Investments Limited | 19,232,493 | 15.99% | |
| Harwood Capital LLP | 9,700,000 | 8.02% | |
| Harwood Capital LLP | 8,620,000 | 7.12% | |
| Octopus Investments Limited | 19,439,659 | 16.05% | |
| Octopus Investments Limited | 19,501,712 | 15.99% | |
| Harwood Capital LLP | 6,200,000 | 5.07% | |
| Rockwood Strategic Plc | 4,900,000 | 4.01% | |
| Octopus Investments Limited | 21,993,095 | 17.99% | |
| Octopus Investments Limited | 22,019,164 | 18.01% | |
| Octopus Investments Limited | 20,856,971 | 17.06% | |
| FIL Limited | 4,929,169 | 4.03% | |
| Rockwood Strategic Plc | 3,750,000 | 3.07% | |
| Artisan Partners Limited Partnership | 13,085,032 | 10.70% | |
| Artisan Partners Limited Partnership | 9,817,556 | 8.03% | |
| Octopus Investments Limited | 20,648,648 | 16.89% | |
| Artisan Partners Limited Partnership | 14,816,511 | 12.12% | |
| Octopus Investments Limited | 15,248,482 | 12.47% | |
| Octopus Investments Limited | 13,443,444 | 11.00% | |
| Artisan Partners Asset Management Inc. | 13,544,605 | 11.08% | |
| Artisan Partners Asset Management Inc. | 12,850,075 | 10.51% | |
| FIL Limited | 6,266,167 | 5.13% | |
| FIL Limited | 5,962,245 | 4.88% | |
| FIL Limited | 6,133,604 | 5.02% | |
| Octopus Investments Limited | 13,675,091 | 11.19% | |
| Octopus Investments Limited | 13,405,720 | 10.97% | |
| Octopus Investments Limited | 13,472,194 | 11.02% | |
| Octopus Investments Limited | 13,505,948 | 11.05% | |
