iShares MSCI USA Quality Factor ETF seeks to track the investment results of the MSCI USA Sector Neutral Quality Index composed of U.S. large- and mid-capitalization stocks with quality characteristics as identified through certain fundamental metrics. The fund generally will invest at least 80% of its assets in the component securities of the underlying index and may invest up to 20% of its assets in certain futures, options and swap contracts, cash and cash equivalents. The index is based on a traditional market capitalization-weighted parent index, the MSCI USA Index.