Top ETFs for 2026: SPDR S&P 500, Invesco QQQ, and Vanguard S&P 500

ETF assets hit new milestones in 2025, with SPDR S&P 500 ETF (SPY) leading inflows, attracting $672.7B in assets under management and a 16.98% gain. Invesco QQQ Trust (QQQ) grew from $100B in assets in 2020 to over $400B today, while Vanguard S&P 500 ETF (VOO) attracted over $105B in inflows and holds $800.2B in total assets. These ETFs are popular due to their low-risk, steady returns and ultimate diversification.