5. - Columbia Small Cap Growth (CSGYX), 13.48%

The small-cap growth CSGYX delivered three-year annualized returns of 13.48 percent to investors, offering 24.22 percent in returns year to date.

The $428.2 million Columbia Small Cap Growth carries a 0.97 percent expense ratio and requires no minimum investment. With top holdings including Fair Isaac Corp., Blackbaud, Veeva Systems, Paycom Software and Ollie’s Bargain Outlet, the fund allocates 28.5 percent of its assets to technology and 22.4 percent to health care.