The Vanguard S&P 500 Index ETF (VOO) is a passively managed exchange-traded fund that tracks the performance of a leading US benchmark stock index measuring 500 companies with the highest market capitalisations. The index is considered a representation of the health of the US economy in general and offers high potential for investment growth in the long term. VOO has an expense ratio of 0.03% and net assets of $770.2bn. Net assets of the 10 largest holdings account for around 30% of the fund, led by blue-chip companies such as Apple, Microsoft, Alphabet, Amazon, Facebook, Tesla, NVIDIA, Berkshire Hathaway, and JPMorgan Chase. In particular, the ETF is heavily dominated by the technology sector, as well as financials, consumer discretionary, and healthcare. Start spread betting on our Vanguard S&P 500 Index ETF price.