| Helen and Barrie Whipp |
628,102 |
£518,184 |
| Canaccord Genuity Group Inc |
620,000 |
£511,500 |
| Lion Trust Investment Partners LLP |
596,066 |
£491,754 |
| Helium Special Situations Fund |
443,751 |
£366,095 |
| Gresham House Asset Management Limited |
420,000 |
£346,500 |
| Quilter plc |
380,000 |
£313,500 |
| Hargreaves Lansdown |
347,733 |
£286,880 |
| William Christopher Currie |
347,667 |
£286,825 |
| William Christopher Currie |
347,667 |
£286,825 |
| Simon William Bragg |
330,000 |
£272,250 |
| Octopus Aim VCT Funds |
315,000 |
£259,875 |
| W. H. Ireland Ltd |
298,353 |
£246,141 |
| Jeremy Roth |
261,312 |
£215,582 |
| Stephen Morris |
238,472 |
£196,739 |
| Evelyn Partners Investment Services Limited |
207,500 |
£171,188 |
| Herbert Stuart Bottomley and close family |
202,500 |
£167,062 |