Major shareholders
Date:
| Shareholder | Number of shares | % of shares and voting power | |
| 1. | Ahlstrom Corporation | 66 666 666 | 27.1 |
| 2. | Ilmarinen Mutual Pension Insurance Company | 27 111 992 | 11.0 |
| 3. | Varma Mutual Pension Insurance Company | 22 500 000 | 9.2 |
| 4. | Mandatum Life Insurance Company Limited | 22 322 535 | 9.1 |
| 5. | Finnish Industry Investment Ltd | 22 222 222 | 9.0 |
| 6. | Tapiola Mutual Pension Insurance Company | 14 123 255 | 5.7 |
| 7. | Oy Etra Invest Ab | 12 223 320 | 5.0 |
| 8. | Evald and Hilda Nissi Foundation | 6 943 646 | 2.8 |
| 9. | Heikki Bergholm | 5 319 405 | 2.2 |
| 10. | Sitra, the Finnish Innovation Fund | 4 444 444 | 1.8 |
| 11. | Mikko Maijala | 3 399 977 | 1.4 |
| 12. | Juhani Maijala | 3 286 743 | 1.3 |
| 13. | Onninen-Sijoitus Oy | 2 500 000 | 1.0 |
| 14. | Pharmacy Pension Fund | 2 222 222 | 0.9 |
| 15. | Yleisradio Pension Fund | 2 222 222 | 0.9 |
| 16. | Finnish Cultural Foundation | 2 222 222 | 0.9 |
| 17. | Eeva Maijala | 1 515 995 | 0.6 |
| 18. | AC Invest Two B.V. | 1 355 555 | 0.6 |
| 19. | Harald Relander | 1 260 000 | 0.5 |
| 20. | Oy Chemec Ab | 1 111 112 | 0.5 |
| Shares registered in a nominee's name | 329 532 | 0.1 |