| 2016 | 2015 | ||
| Structure | Significant shareholders larger > 5% | 18.5% of shares | 18.5% of shares |
| 10 largest shareholders | 37.0% of shares | 32.7% of shares | |
| 100 largest shareholders | 47.8% of shares | 44.2% of shares | |
| Origin | Switzerland | 50.7% of shares | 65.0% of shares |
| Elsewhere | 49.3% of shares | 35.0% of shares |
