The top positions in that reference portfolio were the iShares
Morningstar Small - Cap ETF (JKJ; fixed weight of 27.5 %), iShares S&P
Small - Cap 600 Value ETF (IJS; 17.6 %), iShares
Core S&P
Small - Cap ETF (IJR; 13.0 %), and iShares
Morningstar Small - Cap Value ETF (JKL; 10.6 %).