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Sign InIn a move reflecting the growing dominance of passive investing in global markets, the Vanguard S&P 500 ETF (VOO) has achieved a historic milestone as the first ETF in the world to surpass $1 trillion in assets under management (AUM). According to reports, the fund has effectively doubled in size since August 2024, surging from $508.7 billion in late 2024 to exceed the trillion-dollar mark by mid-2026. This rapid expansion was driven by a combination of robust investor inflows and the sustained appreciation of the underlying U.S. large-cap equities within the S&P 500 index.
This milestone places Vanguard in a tight race with BlackRock, as VOO competes directly with the iShares Core S&P 500 ETF (IVV) for annual inflow leadership. Per market data, the ETF industry has seen a massive shift toward low-cost products, with VOO’s 0.03% expense ratio attracting significant capital away from traditional active funds. While the SPDR S&P 500 ETF Trust (SPY) remains the oldest fund in the space, it continues to face stiff competition from Vanguard’s aggressive pricing strategy and growing institutional adoption.
Regarding price action, VOO stood at $682.21 (at close July 20, 2026), while the London-listed counterpart VUSA.L was priced at £105.68 on the same date. Investors are now looking toward broader macroeconomic catalysts for the next leg of growth, particularly following recent U.S. inflation data which showed the annual CPI cooling to 3.5%, a factor that could sustain the bullish momentum for the benchmark index tracked by the fund.