An Investment Fund is an organization that pools money from a group of individuals to purchase a security, often as a means of increasing the number of investors. This can be done by offering a wider selection of securities, greater management expertise and lower fees than an individual investor could provide for themselves.Investment funds are managed pools of money used by investors to purchase securities. An investment fund is a diversified pool of investments. Investment funds must have at least one majority-owned subsidiary company. The most common types of investment funds are mutual funds, hedge funds and exchange-traded funds (ETFs).An investment fund is a pool of money that is offered to a prospective investor in the form of shares. An investment fund's role is to collect money from several investors and invest it in an approved portfolio of securities. The portfolio could include stocks, bonds, real estate, private equity and other forms of investments. Deposits are protected from losses due to market fluctuations by an insurance policy or other protection mechanisms.