The Illusion of Mutual Fund Returns
You’d think that the reported return on a mutual fund would give an accurate picture of how much money the fund’s investors made. A study by Bullard, Friesen, and Sapp released in December 2007 shows that this isn’t necessarily the case. It turns out that a fund’s reported returns only apply to buy-and-hold investors who held the fund from the beginning to the end of the reporting period. But not all investors do this. Due to the timing of investor money flowing into and out of the fund, the actual returns seen by investors are often lower. The study found that for one class of funds, investors underperformed the reported returns by 2.28% per year! These funds are like guys on online dating sites who say they like long walks on the beach and talking about their feelings, but turn out to be beer-swilling football watchers like all the rest. Across all actively-managed funds, investor money underperformed the reported returns by an average of 1.7%. Over 25 years, this would build u...