Largest shareholders, 31 December 2020
| Shareholders |
No. of Shares | Percentage of capital & votes |
| Van Herk Investments B.V. | 5,174,492 | 13.1 |
| Omega Funds, LP | 4,148,762 | 10.5 |
| HBM Healthcare Investments Ltd | 2,318,840 | 5.9 |
| Fjärde AP-fonden | 2,239,130 | 5.7 |
| TSGH (Compagnie Merieux Alliance) | 1,515,876 | 3.8 |
| Avanza Pension Försäkring | 1,461,338 | 3.7 |
| Swedbank Robur Medica | 1,449,275 | 3.7 |
| CASI Pharmaceuticals, Inc | 1,175,763 | 3.0 |
| Goldman Sachs International Ltd, W8IMY | 946,279 | 2.4 |
| Pfizer | 878,943 | 2.2 |
| Other shareholders | 18,067,398 | 45.9 |
| Total | 39,376,096 | 100.0 |