The IST Investmentstiftung manages assets of around CHF 8.5 billion for more than 500 private and public pension funds throughout Switzerland. Investors in the investment groups of the IST are only second-pillar and pillar 3a-based tax-exempt pension funds domiciled in Switzerland patronale welfare funds approved.The IST Investment Foundation and the IST3 Investment Foundation also offer investment groups with US equity investments, which are only available to a limited number of pension funds ieS and are listed in the register of the BVG Guarantee Fund.