Swiss Security

While Bitcoin and other crypto-currencies are the rage for some, for others it’s Swiss National Bank shares! Shares are up 320% since 1/31/16 to 5,480 francs ($5,866). Sure, they print their own money, but private shareholders have limited voting rights, the dividend is fixed by law at 15 francs, yielding a paltry return of 0.3%, and have no claims on Bank assets of 760 billion francs! What am I missing?