| Oryx International Growth Fund Limited |
34,500,000 |
£3,760,500 |
| Ausdrill International Pty Ltd |
20,499,607 |
£2,234,457 |
| Artemis Investment Management LLP |
13,744,737 |
£1,498,176 |
| Mr Paul Johnson |
12,384,152 |
£1,349,873 |
| Wellcome Trust |
11,619,451 |
£1,266,520 |
| Argos Funds- Argonaut Fund |
10,087,924 |
£1,099,584 |
| IBIS Capital Partners LLP |
9,519,038 |
£1,037,575 |
| Chelverton Asset Management Limited |
7,250,000 |
£790,250 |
| Otus Capital Management L.P. |
7,065,458 |
£770,135 |
| Slater Investments Ltd |
7,025,259 |
£765,753 |
| Jupiter Asset Management Limited |
6,208,317 |
£676,707 |
| Graham Veere Sherren |
5,698,270 |
£621,111 |
| River & Mercantile Asset Management LLP |
5,059,400 |
£551,475 |
| PFS Chelverton UK Equity Income Fund |
5,000,000 |
£545,000 |
| Harwood Capital Management (Gibraltar) Limited |
4,658,120 |
£507,735 |
| Old Mutual Plc |
4,464,427 |
£486,622 |
| Cantor Fitzgerald Europe |
4,422,236 |
£482,024 |
| Richard Griffiths and controlled holdings |
1,814,805 |
£197,814 |
| Prism Investment Fund |
1,437,379 |
£156,674 |