| Helen and Barrie Whipp |
628,102 |
£573,367 |
| Canaccord Genuity Group Inc |
620,000 |
£565,971 |
| Lion Trust Investment Partners LLP |
596,066 |
£544,123 |
| Helium Special Situations Fund |
443,751 |
£405,081 |
| Gresham House Asset Management Limited |
420,000 |
£383,400 |
| Quilter plc |
380,000 |
£346,886 |
| Hargreaves Lansdown |
347,733 |
£317,431 |
| William Christopher Currie |
347,667 |
£317,370 |
| William Christopher Currie |
347,667 |
£317,370 |
| Simon William Bragg |
330,000 |
£301,243 |
| Octopus Aim VCT Funds |
315,000 |
£287,550 |
| W. H. Ireland Ltd |
298,353 |
£272,354 |
| Jeremy Roth |
261,312 |
£238,540 |
| Stephen Morris |
238,472 |
£217,691 |
| Evelyn Partners Investment Services Limited |
207,500 |
£189,418 |
| Herbert Stuart Bottomley and close family |
202,500 |
£184,854 |