| Helen and Barrie Whipp |
628,102 |
£571,180 |
| Canaccord Genuity Group Inc |
620,000 |
£563,812 |
| Lion Trust Investment Partners LLP |
596,066 |
£542,048 |
| Helium Special Situations Fund |
443,751 |
£403,536 |
| Gresham House Asset Management Limited |
420,000 |
£381,938 |
| Quilter plc |
380,000 |
£345,562 |
| Hargreaves Lansdown |
347,733 |
£316,220 |
| William Christopher Currie |
347,667 |
£316,160 |
| William Christopher Currie |
347,667 |
£316,160 |
| Simon William Bragg |
330,000 |
£300,094 |
| Octopus Aim VCT Funds |
315,000 |
£286,453 |
| W. H. Ireland Ltd |
298,353 |
£271,315 |
| Jeremy Roth |
261,312 |
£237,631 |
| Stephen Morris |
238,472 |
£216,860 |
| Evelyn Partners Investment Services Limited |
207,500 |
£188,695 |
| Herbert Stuart Bottomley and close family |
202,500 |
£184,148 |