| Helen and Barrie Whipp |
628,102 |
£549,589 |
| Canaccord Genuity Group Inc |
620,000 |
£542,500 |
| Lion Trust Investment Partners LLP |
596,066 |
£521,558 |
| Helium Special Situations Fund |
443,751 |
£388,282 |
| Gresham House Asset Management Limited |
420,000 |
£367,500 |
| Simon William Bragg |
402,500 |
£352,188 |
| Quilter plc |
380,000 |
£332,500 |
| Hargreaves Lansdown |
347,733 |
£304,266 |
| William Christopher Currie |
347,667 |
£304,209 |
| William Christopher Currie |
347,667 |
£304,209 |
| Octopus Aim VCT Funds |
315,000 |
£275,625 |
| W. H. Ireland Ltd |
298,353 |
£261,059 |
| Jeremy Roth |
261,312 |
£228,648 |
| Stephen Morris |
238,472 |
£208,663 |
| Evelyn Partners Investment Services Limited |
207,500 |
£181,562 |
| Herbert Stuart Bottomley and close family |
202,500 |
£177,188 |