| Helen and Barrie Whipp |
628,102 |
£580,994 |
| Canaccord Genuity Group Inc |
620,000 |
£573,500 |
| Lion Trust Investment Partners LLP |
596,066 |
£551,361 |
| Helium Special Situations Fund |
443,751 |
£410,470 |
| Gresham House Asset Management Limited |
420,000 |
£388,500 |
| Quilter plc |
380,000 |
£351,500 |
| Hargreaves Lansdown |
347,733 |
£321,653 |
| William Christopher Currie |
347,667 |
£321,592 |
| William Christopher Currie |
347,667 |
£321,592 |
| Simon William Bragg |
330,000 |
£305,250 |
| Octopus Aim VCT Funds |
315,000 |
£291,375 |
| W. H. Ireland Ltd |
298,353 |
£275,976 |
| Jeremy Roth |
261,312 |
£241,714 |
| Stephen Morris |
238,472 |
£220,587 |
| Evelyn Partners Investment Services Limited |
207,500 |
£191,938 |
| Herbert Stuart Bottomley and close family |
202,500 |
£187,312 |