Largest ETFs by Assets Under Management

The biggest exchange-traded funds, ranked by assets under management (AUM) — the total value of everything each fund holds.

3 etfs ranked by aum, last reviewed July 2026.
#	Name	Country	Sector	AUM
1	SPDR S&P 500 ETF (SPY)	United States	Broad Market	$570.00 B
2	Invesco QQQ Trust (QQQ)	United States	Technology	$290.00 B
3	iShares Core MSCI World (IWDA)	Ireland	Broad Market	$95.00 B

ETF sizes reflect assets under management, the standard size measure for funds.