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800 billion dollars later, Vanguard’s VOO stands alone at the top of the ETF world.

By Trackinsight
October 30, 2025
After hitting $700B in assets just last July, Vanguard’s flagship S&P 500 ETF, VOO, has now become the first ETF in history to surpass $800B in AUM — marking another milestone for passive investing.
iShares’ IVV and State Street’s SPY trail with $724B and $696B in assets, respectively — together cementing the S&P 500 trio’s dominance at the core of most ETF portfolios.
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The famous SPY held the top spot for decades since its inception but was overtaken by VOO earlier this year, as investors favored the cheaper option over the more liquid one — with VOO charging 0.03% versus SPY’s 0.0945%.
Only one ETF beyond the S&P 500 trio now exceeds $500 billion in assets globally: the Vanguard Total Stock Market ETF (VTI) with $566B.
Meanwhile, the QQQ sits at $412B, followed by the Vanguard Growth ETF (VUG) at $205B.
In case you're interested, here’s the list of the top 50 ETFs worldwide by assets under management (AUM) according to Trackinsight data.
Please note that this article is for informational purposes only and should not be interpreted as a recommendation or promotion of any specific fund, issuer, or investment strategy. The data and rankings presented are intended solely to provide insight into the ETF industry landscape.
This content does not constitute investment advice, an offer, or a solicitation to buy or sell any financial product. Always conduct your own research and seek guidance from a qualified, registered financial professional before making any investment decisions.
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