The fund is an exchange traded fund (ETF) that aims to track the performance of the FTSE 250 Index as closely as possible. The ETF invests in physical index securities. The FTSE 250 Index offers exposure to 250 UK stocks which rank below the FTSE 100 Index measured by full market capitalisation. 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.