The small-cap fund has a 10-year annualized return of 9.5%, versus 7.3% for the S&P 500.
Other small-cap blend ETFs include Vanguard Small Cap (NYSEArca: VB), Schwab U.S. Small-Cap (NYSEArca: SCHA), SPDR S&P 600 Small Cap (NYSEArca: SLY) and iShares Core S&P Small-Cap ETF (NYSEArca: IJR).
The chart below shows the relative performance of IWM versus the S&P 500.
Full disclosure: Tom Lydon’s clients own IWM and SCHA.