| Plain Sight Systems Inc. |
2,430,410 |
£8,607,702 |
| Canaccord Genuity Group Inc |
1,470,081 |
£5,206,537 |
| State Street Nominees Limited |
1,095,500 |
£3,879,896 |
| Maven Capital Partners UK LLP |
906,458 |
£3,210,372 |
| George Yancopoulos |
880,920 |
£3,119,925 |
| Amati VCT 2 |
814,660 |
£2,885,254 |
| Amati VCT |
814,660 |
£2,885,254 |
| Terry Tyrell |
703,915 |
£2,493,032 |
| Herald Investment Trust |
642,526 |
£2,275,613 |
| ORYX INTERNATIONAL GROWTH FUND LIMITED |
604,500 |
£2,140,938 |
| Chase Nominees Limited |
507,150 |
£1,796,156 |
| Principal Nominees Limited |
451,490 |
£1,599,027 |
| BNY (OCS) Nominees Limited |
395,370 |
£1,400,269 |
| Hargreave Hale Nominees Limited |
356,225 |
£1,261,630 |