| Business Growth Fund PLC |
14,375,000 |
£12,793,750 |
| BGF Investment Management Limited |
14,375,000 |
£12,793,750 |
| Mikhail Stiskin |
13,599,036 |
£12,103,142 |
| Berenberg Wealth and Asset Management |
9,651,726 |
£8,590,036 |
| Herald Investment Management Limited |
8,178,149 |
£7,278,553 |
| Shareholder Value Beteiligungen Aktiengesellschaft |
5,280,000 |
£4,699,200 |
| Universal-Investment-Gesellschaft mbH |
5,218,184 |
£4,644,184 |
| Danske Bank A/S |
5,147,319 |
£4,581,114 |
| JPMorgan Asset Management Holdings Inc |
5,020,733 |
£4,468,452 |
| Herald Investment Management Limited |
4,983,149 |
£4,435,003 |
| BennBridge Ltd |
4,740,329 |
£4,218,893 |
| Canaccord Genuity Group Inc |
4,081,834 |
£3,632,832 |
| Octopus Investments Nominees Limited |
3,719,640 |
£3,310,480 |
| Dana Investments |
3,496,494 |
£3,111,880 |
| Miton UK Microcap Trust PLC |
3,385,175 |
£3,012,806 |
| Patrick Richard Evershed |
1,988,580 |
£1,769,836 |
| State Street Nominees Ltd |
1,543,648 |
£1,373,847 |
| Rui Manuel Silva Carvalho Tripa |
1,333,000 |
£1,186,370 |
| AXA Equity & Law Life Assurance Society Plc |
1,209,704 |
£1,076,637 |
| Ronald John Frederick Howard |
1,125,152 |
£1,001,385 |
| BP Investment Management Limited |
1,043,648 |
£928,847 |