| Harwood Capital Management (Gibraltar) Limited |
43,613,946 |
£18,928,453 |
| Oryx International Growth Fund Limited |
34,500,000 |
£14,973,000 |
| Aberforth Partners LLP |
21,969,593 |
£9,534,803 |
| Ausdrill International Pty Ltd |
20,499,607 |
£8,896,829 |
| Artemis Investment Management LLP |
13,744,737 |
£5,965,216 |
| Mr Paul Johnson |
12,384,152 |
£5,374,722 |
| Wellcome Trust |
11,619,451 |
£5,042,842 |
| Richard Griffiths and controlled holdings |
11,113,291 |
£4,823,168 |
| Argos Funds- Argonaut Fund |
10,087,924 |
£4,378,159 |
| IBIS Capital Partners LLP |
9,519,038 |
£4,131,262 |
| Chelverton Asset Management Limited |
7,250,000 |
£3,146,500 |
| Otus Capital Management L.P. |
7,065,458 |
£3,066,409 |
| Slater Investments Ltd |
7,025,259 |
£3,048,962 |
| Jupiter Asset Management Limited |
6,208,317 |
£2,694,410 |
| Graham Veere Sherren |
5,698,270 |
£2,473,049 |
| River & Mercantile Asset Management LLP |
5,059,400 |
£2,195,780 |
| PFS Chelverton UK Equity Income Fund |
5,000,000 |
£2,170,000 |
| Old Mutual Plc |
4,464,427 |
£1,937,561 |