VOO is an exchange-traded fund that tracks the S&P 500 Index, providing exposure to large-cap U.S. equities. It is one of the largest and most popular ETFs, known for low costs and broad diversification.
Description: The Vanguard S&P 500 ETF (VOO) seeks to track the performance of the S&P 500 Index, which measures the stock performance of 500 of the largest publicly traded companies in the United States. Launched in September 2010 by Vanguard, VOO offers investors a low-cost, tax-efficient way to gain broad exposure to the U.S. large-cap equity market. With an expense ratio of 0.03%, it is among the cheapest ETFs available. VOO is widely used by both retail and institutional investors as a core holding for long-term growth and portfolio diversification. The fund holds stocks across all sectors, with top holdings including Apple, Microsoft, Amazon, and other industry leaders. As of 2025, VOO has over $1 trillion in assets under management, making it one of the largest ETFs globally.
Established / Launched: September 2010
Founder / Issuer: Vanguard
Headquarters: Malvern, Pennsylvania, United States