| 31.12.2018 | 31.12.2017 | ||
| Structure | Significant shareholders larger > 5% | 15.9% of shares | 15.9% of shares |
| 10 largest shareholders | 32.6% of shares | 36.9% of shares | |
| 100 largest shareholders | 44.2% of shares | 48.8% of shares | |
| Origin | Switzerland | 60.4% of shares | 52.0% of shares |
| Elsewhere | 39.6% of shares | 48.0% of shares |
