Vanguard Total Stock Market Index Fund Institutional Shares (VITSX)

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https://www.vanguard.com

Vanguard Total Stock Market Index Fund Institutional Shares is a mutual fund that aims to provide comprehensive exposure to the entire U.S. equity market. Designed for institutional investors, its primary objective is to track the performance of the CRSP US Total Market Index, an index encompassing nearly the full spectrum of publicly traded U.S. stocks—including large-cap, mid-cap, small-cap, and micro-cap companies. The fund employs a market capitalization-weighted strategy, which ensures representation across various sectors and company sizes while minimizing costs and turnover. Its portfolio is highly diversified, with over 3,500 holdings and total assets exceeding $1.8 trillion as of mid-2025. With an extremely low expense ratio of 0.03% and a portfolio turnover rate around 2%, the fund is distinguished by operational efficiency and cost-effectiveness. Categorized as a large blend fund, it offers institutions a straightforward way to capture the aggregate returns, risks, and sector allocations of the U.S. stock market in a single vehicle, making it a foundational holding for diversified equity exposure.