| As at 1 August 2018 | Shares held | % |
| Lansdowne Partners | 5,779,074 | 9.39 |
| Baillie Gifford & Co Limited | 4,411,297 | 7.17 |
| Columbia Threadneedle Investments | 3,415,970 | 5.55 |
| M&G Investment Mgt | 2,118,823 | 3.44 |
| NFU Mutual Investment Mgrs | 2,020,733 | 3.28 |
| Legal & General Investment Mgt | 1,895,034 | 3.08 |