| Helen and Barrie Whipp |
628,102 |
£565,292 |
| Canaccord Genuity Group Inc |
620,000 |
£558,000 |
| Lion Trust Investment Partners LLP |
596,066 |
£536,459 |
| Helium Special Situations Fund |
443,751 |
£399,376 |
| Gresham House Asset Management Limited |
420,000 |
£378,000 |
| Quilter plc |
380,000 |
£342,000 |
| Hargreaves Lansdown |
347,733 |
£312,960 |
| William Christopher Currie |
347,667 |
£312,900 |
| William Christopher Currie |
347,667 |
£312,900 |
| Simon William Bragg |
330,000 |
£297,000 |
| Octopus Aim VCT Funds |
315,000 |
£283,500 |
| W. H. Ireland Ltd |
298,353 |
£268,518 |
| Jeremy Roth |
261,312 |
£235,181 |
| Stephen Morris |
238,472 |
£214,625 |
| Evelyn Partners Investment Services Limited |
207,500 |
£186,750 |
| Herbert Stuart Bottomley and close family |
202,500 |
£182,250 |