| Business Growth Fund PLC |
14,375,000 |
£11,140,625 |
| BGF Investment Management Limited |
14,375,000 |
£11,140,625 |
| Berenberg Wealth and Asset Management |
9,651,726 |
£7,480,088 |
| Herald Investment Management Limited |
8,178,149 |
£6,338,066 |
| Danske Bank A/S |
6,250,372 |
£4,844,038 |
| Shareholder Value Beteiligungen Aktiengesellschaft |
5,280,000 |
£4,092,000 |
| Universal-Investment-Gesellschaft mbH |
5,218,184 |
£4,044,093 |
| JPMorgan Asset Management Holdings Inc |
5,020,733 |
£3,891,068 |
| Herald Investment Management Limited |
4,983,149 |
£3,861,940 |
| BennBridge Ltd |
4,740,329 |
£3,673,755 |
| Canaccord Genuity Group Inc |
4,081,834 |
£3,163,421 |
| Octopus Investments Nominees Limited |
3,719,640 |
£2,882,721 |
| Dana Investments |
3,496,494 |
£2,709,783 |
| Miton UK Microcap Trust PLC |
3,385,175 |
£2,623,511 |
| Patrick Richard Evershed |
1,988,580 |
£1,541,150 |
| State Street Nominees Ltd |
1,543,648 |
£1,196,327 |
| Rui Manuel Silva Carvalho Tripa |
1,333,000 |
£1,033,075 |
| AXA Equity & Law Life Assurance Society Plc |
1,209,704 |
£937,521 |
| Ronald John Frederick Howard |
1,125,152 |
£871,993 |
| BP Investment Management Limited |
1,043,648 |
£808,827 |