| Ownership as of September 30, 2019 | Number of shares | Per cent |
| Stiftelsen Industrifonden | 7,117,746 | 18.39% |
| Investinor AS | 5,091,243 | 13.15% |
| Linc AB (Bengt Julander) | 4,836,108 | 12.49% |
| Gladiator | 2,352,149 | 6.08% |
| The Fourth Swedish National Pension Fund (AP4) | 2,110,227 | 5.45% |
| BVF Partners LP | 1,866,000 | 4.82% |
| AFA Insurance | 1,640,000 | 4.24% |
| Mikael Bender | 1,637,317 | 4.23% |
| Handelsbanken Fonder | 1,103,000 | 2.85% |
| Unionen | 1,000,000 | 2.58% |
| Other shareholders | 9,953,848 | 25.72% |
| Total number of shares | 38,707,638 | 100% |