Key statistical conceptComprise both retail and institutional funds (open-end and closed end) in which investors pool their funds to invest in a diversified portfolio of securities. It includes mutual funds, investment funds, UCITS-like funds, exchange-traded funds (ETFs), and specialised funds such as real estate funds (e.g. REITs), money market funds, debt funds. CIS funds may be listed or unlisted. Hedge funds and private equity funds are not be included in this category.