| 31.12.2017 | 31.12.2016 | ||
| Structure | Significant shareholders larger > 5% | 15.9% of shares | 18.5% of shares |
| 10 largest shareholders | 36.9% of shares | 37.0% of shares | |
| 100 largest shareholders | 48.8% of shares | 47.8% of shares | |
| Origin | Switzerland | 52.0% of shares | 50.7% of shares |
| Elsewhere | 48.0% of shares | 49.3% of shares |
