Vanguard Growth Index Fund, formerly Vanguard Growth ETF, is an exchange-traded share class of Vanguard Growth Index Fund, which employs a passive management or indexing investment approach designed to track the performance of the MSCI US Prime Market Growth Index (the Index). The Index is a diversified index of growth stocks of large United States companies. The Index represents the growth companies of the MSCI US Prime Market 750 Index. The MSCI US Prime Market 750 Index represents the universe of large-capitalization companies in the United States equity market. The Fund attempts to replicate the target Index by investing all, or substantially all, of its assets in the stocks that make up the Index, holding each stock in approximately the same proportion as its weighting in the Index. The Fund may invest, to a limited extent, in stock futures and options contracts, warrants, convertible securities and swap agreements. Its investment advisor is Vanguard Quantitative Equity Group.