iShares S&P 100 Index Fund is an exchange-traded fund of US stocks. The fund tracks the S&P 100 index.
Its ticker is OEF.
Top ten holdings:
(as of June 2012)
iShares S&P 100 mainly competes with S&P 500 funds, including SPDR S&P 500, iShares Core S&P 500, and Vanguard S&P 500 ETF . Those funds are not mega; one fund that is more similar is Guggenheim Russell Top 50 Mega Cap .[1] [2] [3]