iShares Trust - iShares S&P 100 ETF Stock

iShares S&P 100 ETF, formerly iShares S&P 100 Index Fund (the Fund), is an exchange-traded fund. The Fund seeks investment results that correspond generally to the price and yield performance of the S&P 100 Index (the Index). The Index measures the performance of the large-capitalization sector of the United States equity market and consists of blue chip stocks from diverse industries in the S&P 500 Index. The Fund invests in a representative sample of securities included in the Index that collectively has an investment profile similar to the Index. The Fund may or may not hold all of the securities in the Index. The Index serves as the basis for the S&P 100 options contract, which trades on the Chicago Board Options Exchange. The components stocks are weighted according to the total float-adjusted market value of their outstanding shares. BlackRock Fund Advisors (BFA) serves as the investment adviser to the Fund.