The fund is an exchange traded fund (ETF) that aims to track the performance of the FTSE 100 Index as closely as possible. The ETF invests in physical index securities. The FTSE 100 Index offers exposure to the 100 largest UK stocks by full market value. The index is free float market capitalisation weighted. iShares ETFs are funds managed by BlackRock. They are transparent, cost-efficient, liquid vehicles that trade on stock exchanges like normal securities. iShares ETFs offer flexible and easy access to a wide range of markets and asset classes.