The most recent stock split for IShares Russell 2000 ETF (IWM) was a 2:1 split on June 9, 2005. The combined total of all historical stock splits for IShares Russell 2000 ETF result in 2 current shares for every original share available at the IPO in 2000.
IShares Russell 2000 ETF - 24 Year Stock Split History | IWM