| Business Growth Fund PLC |
14,375,000 |
£11,428,125 |
| BGF Investment Management Limited |
14,375,000 |
£11,428,125 |
| Mikhail Stiskin |
10,659,036 |
£8,473,934 |
| Berenberg Wealth and Asset Management |
9,651,726 |
£7,673,122 |
| Herald Investment Management Limited |
8,178,149 |
£6,501,628 |
| Shareholder Value Beteiligungen Aktiengesellschaft |
5,280,000 |
£4,197,600 |
| Universal-Investment-Gesellschaft mbH |
5,218,184 |
£4,148,456 |
| Danske Bank A/S |
5,147,319 |
£4,092,119 |
| JPMorgan Asset Management Holdings Inc |
5,020,733 |
£3,991,483 |
| Herald Investment Management Limited |
4,983,149 |
£3,961,604 |
| BennBridge Ltd |
4,740,329 |
£3,768,562 |
| Canaccord Genuity Group Inc |
4,081,834 |
£3,245,058 |
| Octopus Investments Nominees Limited |
3,719,640 |
£2,957,114 |
| Dana Investments |
3,496,494 |
£2,779,713 |
| Miton UK Microcap Trust PLC |
3,385,175 |
£2,691,214 |
| Patrick Richard Evershed |
1,988,580 |
£1,580,921 |
| State Street Nominees Ltd |
1,543,648 |
£1,227,200 |
| Rui Manuel Silva Carvalho Tripa |
1,333,000 |
£1,059,735 |
| AXA Equity & Law Life Assurance Society Plc |
1,209,704 |
£961,715 |
| Ronald John Frederick Howard |
1,125,152 |
£894,496 |
| BP Investment Management Limited |
1,043,648 |
£829,700 |