Good Index Funds To Buy May 2026

For 2026, top index funds are defined by low costs (expense ratios) and broad diversification. Leading choices typically track major indices like the or the Total Stock Market . Top S&P 500 Index Funds (U.S. Large-Cap)

For geographic diversification beyond the U.S. or specific growth sectors. good index funds to buy

: Part of a "Zero" lineup with a 0% expense ratio , making it effectively cost-free for investors. For 2026, top index funds are defined by

: A massive ETF with a 0.03% expense ratio , favored for its tax efficiency and accessibility across most brokerages. Large-Cap) For geographic diversification beyond the U

: Tracks the Nasdaq-100 , heavily weighted toward technology and growth companies, with an 0.20% expense ratio .

: Noted by Bankrate and NerdWallet as one of the lowest-cost options with a 0.015% expense ratio and no minimum investment.

These funds track 500 of the largest U.S. companies and are core building blocks for most portfolios.