The ICI provides a significant amount of information about the U.S. diversified investment fund industry. According to the ICI website: "The Investment Company Institute is the national association of U.S. investment companies, including mutual funds, closed-end funds, exchange-traded funds (ETFs), and unit investment trusts (UITs). ... Members of ICI manage total assets of $12.5 trillion and serve almost 90 million shareholders." (accessed: 11-11-07)