VTI vs VOO: Motley Fool Analysts Split on Best Vanguard ETF
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- Vanguard Total Stock Market ETF (VTI) holds $2.09 trillion in net assets, making it the world's largest ETF, with exposure to over 3,500 U.S. stocks including mid- and small-cap equities that the S&P 500 excludes.
- The S&P 500 makes up roughly 80% of the U.S. stock market, so even with seven times VOO's holdings, VTI's long-term performance closely mirrors the S&P 500 tracker.
- The 'Magnificent Seven' stocks — Nvidia, Alphabet, Apple, Microsoft, Amazon, Meta Platforms, and Tesla — now make up 33.3% of the S&P 500, up from 12.5% in 2016, a concentration that helps explain VOO's slight outperformance.
- Both VTI and VOO carry identical expense ratios of 0.03%, the lowest available, removing any fee-based reason to prefer one fund over the other.
- VTI's Nvidia weighting sits at 6.2% versus VOO's 7.3%, a difference bull-case analyst Daniel Foelber flags for investors who already own Nvidia and want to avoid duplicating that position.
- VOO has consistently outperformed VTI over 3-year and 5-year periods, with a 30 percentage point total return advantage since VOO's September 2010 inception, per bear-case analyst Anders Bylund.
- VTI's risk profile shows marginally deeper drawdowns in every market crisis since inception and a beta of 1.02 versus VOO's 1.01 — differences Bylund calls 'a rounding error' that nonetheless favor VOO.
Why it matters: For investors choosing between the two, the decision comes down to a few percentage points of return versus a slightly broader diversification profile at the same 0.03% fee. VTI's lower Nvidia weighting (6.2% vs 7.3%) gives investors a way to stay exposed to megacaps without overloading on any single name, while VOO's 30-point lifetime return advantage rewards those willing to accept higher Magnificent Seven concentration.
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