| As at 1 October 2018 | Shares held | % |
| Lansdowne Partners | 5,177,281 | 8.36 |
| Baillie Gifford & Co Limited | 4,635,432 | 7.48 |
| Columbia Threadneedle Investments | 3,401,646 | 5.49 |
| NFU Mutual Investment Mgrs | 1,900,733 | 3.07 |
| M&G Investment Mgt | 1,883,262 | 3.04 |
| Legal & General Investment Mgt | 1,881,858 | 3.04 |