iShares Top 20 U.S. Stocks ETF (TOPT)

The iShares Top 20 U.S. Stocks ETF is a passively managed fund from BlackRock's iShares that tracks an index of the 20 largest companies in the S&P 500.

By holding only these top companies, the fund offers concentrated exposure to the biggest U.S. stocks, which are heavily represented in technology, communication services and consumer sectors. Weights are determined by the index methodology and adjusted at regular rebalances. BlackRock is headquartered in New York.