| Helen and Barrie Whipp |
628,102 |
£498,199 |
| Canaccord Genuity Group Inc |
620,000 |
£491,773 |
| Lion Trust Investment Partners LLP |
596,066 |
£472,789 |
| Helium Special Situations Fund |
443,751 |
£351,975 |
| Gresham House Asset Management Limited |
420,000 |
£333,136 |
| Quilter plc |
380,000 |
£301,409 |
| Hargreaves Lansdown |
347,733 |
£275,816 |
| William Christopher Currie |
347,667 |
£275,763 |
| William Christopher Currie |
347,667 |
£275,763 |
| Simon William Bragg |
330,000 |
£261,750 |
| Octopus Aim VCT Funds |
315,000 |
£249,852 |
| W. H. Ireland Ltd |
298,353 |
£236,648 |
| Jeremy Roth |
261,312 |
£207,268 |
| Stephen Morris |
238,472 |
£189,152 |
| Evelyn Partners Investment Services Limited |
207,500 |
£164,585 |
| Herbert Stuart Bottomley and close family |
202,500 |
£160,619 |