In 1965 the firm became Bank Gut Streiff AG with a focus on asset management services. In 1978 a group of Japanese and Swiss investors acquired the bank and changed its name into Interallianz Bank Zurich AG.In September 1996 the the bank was bought by M.M. Warburg & CO KGaA renaming it M.M. Warburg Bank (Switzerland) Ltd.MM Warburg invests solely through Fund of Hedge Fund products and focuses the majority of their attention on managers within Switzerland. Managers coming from Hamburg and Zurich are among their prime interest and they rarely invest in managers outside these regions.Most of their investments are completed through Long Short equity Fund of Hedge Funds. They do not invest in lock ups and transparency is not a large concern for them. The due diligence for MM Warburg Bank is outsourced to Warburg Alternative Investments in Zurich and Hamburg.