Structure of registered shareholders

    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