As at 25 June 2020, the Company had been notified, in accordance with the DTRs, of the following interests representing 3 per cent or more of the voting rights in the issued share capital of the Company:
| Name of holder | Total holding of shares | % of total voting rights |
| Artemis Investment Management | 10,511,232 | 21.01 |
| Legal & General Investment Management | 4,588,000 | 9.17 |
| IG Markets, stockbrokers | 3,519,242 | 7.03 |
| Hargreaves Lansdown, stockbrokers | 3,107,650 | 6.21 |
| AJ Williams | 2,876,919 | 5.75 |
| AXA Framlington Investment Managers | 2,498,819 | 4.99 |
| GLG Partners CfD | 2,230,825 | 4.46 |
| Barclays Smart Investor (EO) | 1,853,650 | 3.71 |
| Goldman Sachs International | 1,705,637 | 3.41 |
| Interactive Investor | 1,679,854 | 3.36 |
| HSBC James Capel | 1,545,979 | 3.09 |
| Mark Ward | 1,512,359 | 3.02 |
| Deltic Group | 1,500,000 | 3.00 |