Structure of registered shareholders
| 2011 | 2010 | ||
| Structure | Significant shareholders larger 5% | 19.3% of shares | 11.2% of shares |
| 10 largest shareholders | 36.4% of shares | 39.1% of shares | |
| 100 largest shareholders | 57.8% of shares | 58.3% of shares | |
| Origin | Switzerland | 81.9% of shares | 71.4% of shares |
| Elsewhere | 18.1% of shares | 28.6% of shares |