| Plain Sight Systems Inc. |
2,430,410 |
£7,339,838 |
| Canaccord Genuity Group Inc |
1,470,081 |
£4,439,645 |
| State Street Nominees Limited |
1,095,500 |
£3,308,410 |
| Maven Capital Partners UK LLP |
1,055,810 |
£3,188,546 |
| George Yancopoulos |
880,920 |
£2,660,378 |
| Amati VCT 2 |
814,660 |
£2,460,273 |
| Amati VCT |
814,660 |
£2,460,273 |
| Terry Tyrell |
703,915 |
£2,125,823 |
| Herald Investment Trust |
642,526 |
£1,940,428 |
| ORYX INTERNATIONAL GROWTH FUND LIMITED |
604,500 |
£1,825,590 |
| Chase Nominees Limited |
507,150 |
£1,531,593 |
| Principal Nominees Limited |
451,490 |
£1,363,500 |
| BNY (OCS) Nominees Limited |
395,370 |
£1,194,017 |
| Hargreave Hale Nominees Limited |
356,225 |
£1,075,800 |