44 pages. "In mid-2015, 44.1 percent of U.S. households owned shares of mutual funds or other U.S.-registered investment companies -- including exchange-traded funds, closed-end funds, and unit investment trusts -- representing an estimated 54.9 million households and 93.1 million investors.... Most U.S. mutual fund shareholders had moderate household incomes and were in their peak earning and saving years.... Mutual fund owners reported that investment performance was the most influential of the many factors that shaped their opinions of the fund industry."