| Ownership as of March 31, 2023 | Number of shares | Per cent |
| BVF Partners LP | 6 260 311 | 10,51% |
| Linc AB | 5 962 312 | 10,01% |
| Calliditas Therapeutics AB | 5 908 018 | 9,92% |
| Stiftelsen Industrifonden | 3 145 440 | 5,28% |
| Fjärde AP-fonden | 2 622 715 | 4,40% |
| Avanza Pension | 2 104 023 | 3,53% |
| Handelsbanken Fonder | 2 097 581 | 3,52% |
| Unionen | 1 800 000 | 3,02% |
| Polar Capital | 1 500 000 | 2,52% |
| Sofinnova Partners | 1 408 078 | 2,38% |
| Other shareholders | 26 771 609 | 44,91% |
| Total number of shares | 59 572 587 | 100% |