The Bitcoin sub-fund was incorporated as a Bermuda exempted company and is registered as a segregated account company receiving funds at Citibank London.
However, traditional fund management business, focusing on both mutual funds for retail clients and segregated accounts for institutions, have been regularly integrated into underwriting and brokerage firms over the years.
Additionally, for hedge funds firms who only want targeted transparency, information can be kept segregated in private portals and made available only to the investor, or only to multiple investors the fund allows.