| Ownership as of December 31, 2022 | 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 | 3 830 440 | 6,43% |
| Fourth Swedish National Pension Fund | 2 663 000 | 4,47% |
| Avanza Pension | 2 079 201 | 3,49% |
| Handelsbanken Fonder | 2 069 220 | 3,47% |
| Unionen | 2 058 342 | 3,46% |
| Polar Capital | 1 500 000 | 2,52% |
| Sofinnova Partners | 1 408 078 | 2,36% |
| Other shareholders | 25 833 665 | 43,37% |
| Total number of shares | 59 572 587 | 100% |