| Business Growth Fund PLC |
14,375,000 |
£12,937,500 |
| BGF Investment Management Limited |
14,375,000 |
£12,937,500 |
| Mikhail Stiskin |
13,599,036 |
£12,239,132 |
| Berenberg Wealth and Asset Management |
9,651,726 |
£8,686,553 |
| Herald Investment Management Limited |
8,178,149 |
£7,360,334 |
| Shareholder Value Beteiligungen Aktiengesellschaft |
5,280,000 |
£4,752,000 |
| Universal-Investment-Gesellschaft mbH |
5,218,184 |
£4,696,366 |
| Danske Bank A/S |
5,147,319 |
£4,632,587 |
| JPMorgan Asset Management Holdings Inc |
5,020,733 |
£4,518,660 |
| Herald Investment Management Limited |
4,983,149 |
£4,484,834 |
| BennBridge Ltd |
4,740,329 |
£4,266,296 |
| Canaccord Genuity Group Inc |
4,081,834 |
£3,673,651 |
| Octopus Investments Nominees Limited |
3,719,640 |
£3,347,676 |
| Dana Investments |
3,496,494 |
£3,146,845 |
| Miton UK Microcap Trust PLC |
3,385,175 |
£3,046,658 |
| Patrick Richard Evershed |
1,988,580 |
£1,789,722 |
| State Street Nominees Ltd |
1,543,648 |
£1,389,283 |
| Rui Manuel Silva Carvalho Tripa |
1,333,000 |
£1,199,700 |
| AXA Equity & Law Life Assurance Society Plc |
1,209,704 |
£1,088,734 |
| Ronald John Frederick Howard |
1,125,152 |
£1,012,637 |
| BP Investment Management Limited |
1,043,648 |
£939,283 |