| Helen and Barrie Whipp |
628,102 |
£439,671 |
| Canaccord Genuity Group Inc |
620,000 |
£434,000 |
| Lion Trust Investment Partners LLP |
596,066 |
£417,246 |
| Helium Special Situations Fund |
443,751 |
£310,626 |
| Gresham House Asset Management Limited |
420,000 |
£294,000 |
| Quilter plc |
380,000 |
£266,000 |
| Hargreaves Lansdown |
347,733 |
£243,413 |
| William Christopher Currie |
347,667 |
£243,367 |
| William Christopher Currie |
347,667 |
£243,367 |
| Octopus Aim VCT Funds |
315,000 |
£220,500 |
| W. H. Ireland Ltd |
298,353 |
£208,847 |
| Simon William Bragg |
285,000 |
£199,500 |
| Jeremy Roth |
261,312 |
£182,918 |
| Stephen Morris |
238,472 |
£166,930 |
| Evelyn Partners Investment Services Limited |
207,500 |
£145,250 |
| Herbert Stuart Bottomley and close family |
202,500 |
£141,750 |