| Business Growth Fund PLC |
14,375,000 |
£10,493,750 |
| BGF Investment Management Limited |
14,375,000 |
£10,493,750 |
| Berenberg Wealth and Asset Management |
9,651,726 |
£7,045,760 |
| Herald Investment Management Limited |
8,178,149 |
£5,970,049 |
| Danske Bank A/S |
6,250,372 |
£4,562,772 |
| Shareholder Value Beteiligungen Aktiengesellschaft |
5,280,000 |
£3,854,400 |
| Universal-Investment-Gesellschaft mbH |
5,218,184 |
£3,809,274 |
| JPMorgan Asset Management Holdings Inc |
5,020,733 |
£3,665,135 |
| Herald Investment Management Limited |
4,983,149 |
£3,637,699 |
| BennBridge Ltd |
4,740,329 |
£3,460,440 |
| Canaccord Genuity Group Inc |
4,081,834 |
£2,979,739 |
| Octopus Investments Nominees Limited |
3,719,640 |
£2,715,337 |
| Dana Investments |
3,496,494 |
£2,552,441 |
| Miton UK Microcap Trust PLC |
3,385,175 |
£2,471,178 |
| Patrick Richard Evershed |
1,988,580 |
£1,451,663 |
| State Street Nominees Ltd |
1,543,648 |
£1,126,863 |
| Rui Manuel Silva Carvalho Tripa |
1,333,000 |
£973,090 |
| AXA Equity & Law Life Assurance Society Plc |
1,209,704 |
£883,084 |
| Ronald John Frederick Howard |
1,125,152 |
£821,361 |
| BP Investment Management Limited |
1,043,648 |
£761,863 |