Vanguard's VOO Overtakes State Street's SPY as World’s Biggest ETF

What You Need To Know

• The Vanguard S&P 500 ETF now commands nearly $632 billion in assets after raking in some $23 billion so far in 2025.
• SPY charges 0.095% per year to track the S&P 500, versus VOO’s fee of just 0.03%.
• The State Street fund remains a prized tool among professional investors, and its daily trading volume dwarfs that of its Vanguard rival.