Vanguard S&P 500 ETF: Returns, Risks, and Buffett’s Take

The Vanguard S&P 500 ETF (VOO) offers a single-trade slice of America’s 500 largest companies for an annual fee of just 0.03%. With over $1.2 trillion in assets, it’s one of the most popular ETFs on the planet — and for good reason.

Expense ratio (VOO): 0.03% ·
10-year annualized return (S&P 500): 12.5% ·
Dividend yield (approximate): 1.3% ·
Assets under management (VOO): over $1.2 trillion

Six key specs, one takeaway: VOO delivers core S&P 500 exposure at the industry’s lowest cost.

Is Vanguard S&P 500 a Good Stock?

How does VOO perform compared to the S&P 500 index?

• VOO tracks the S&P 500 with nearly perfect precision — its R-squared versus the benchmark is 1.00, meaning price movements align almost exactly (PortfoliosLab ETF analytics).
• Over the last 10 years, VOO delivered an annualized return of 14.61%, compared to the S&P 500 benchmark’s 12.70% (PortfoliosLab ETF analytics).
• Beta versus the index is 0.99, confirming VOO moves in lockstep with the market (PortfoliosLab ETF analytics).

What are the benefits of investing in Vanguard S&P 500?

• Extremely low expense ratio of 0.03% means $3 per year on a $10,000 investment (Vanguard fund issuer profile).
• Historically, the S&P 500 has returned about 10% annually on average over long periods.
• Low-cost passive investing is endorsed by many financial experts, including Warren Buffett and the late John Bogle.

Which Vanguard S&P 500 Is Best?

What is the difference between VOO and VTI?

• VOO tracks only the S&P 500 (500 large-cap companies), while VTI tracks the CRSP US Total Market Index (nearly 4,000 companies across large-, mid-, small-, and micro-cap) (YouTube ETF comparison channel).
• Both have nearly identical expense ratios — VOO at 0.03%, VTI at 0.03%.
• Performance divergence is small; VTI adds exposure to smaller companies that can boost returns in certain market cycles.

Vanguard S&P 500 ETF vs mutual fund vs UCITS ETF

• VOO is the US-domiciled ETF version of the Vanguard 500 Index Fund.
• VUSA is the UK-domiciled distributing version that pays dividends out to investors.
• Vanguard also offers an accumulating UCITS ETF (ISIN IE00BFMXXD54) that reinvests dividends automatically (Vanguard fund comparison tool).
• Expense ratios vary slightly across domiciles but all remain very low.

What If I Invested $1,000 in S&P 500 10 Years Ago?

What would that $1,000 be worth today with dividends reinvested?

• With a 10-year CAGR of roughly 13%, that $1,000 would have grown to about $3,400.
• Reinvested dividends would have added roughly 2-3 percentage points annually to total returns.
• VOO’s 10-year annualized return of 14.61% suggests even stronger compounding for those who held the ETF specifically (PortfoliosLab ETF analytics).

What if I invested $10,000 20 years ago?

• The S&P 500 has delivered roughly 7-9% annualized over the last 20 years depending on the exact period.
• A $10,000 investment two decades ago with dividends reinvested would be worth somewhere between $38,000 and $50,000 today.
• The power of compounding means longer holding periods dramatically amplify final returns.

What Is the Downside to Vanguard?

What are the risks of investing in the S&P 500?

• Market risk: the S&P 500 can decline significantly — in March 2020, VOO lost 12.4% in a single month (PortfoliosLab ETF analytics).
• Vanguard investments are not FDIC insured; they carry the same market risk as any equity portfolio.
• Concentration risk: the index is heavily weighted toward a handful of large-cap tech stocks, so a sector downturn hits hard.
• 69% of VOO’s months since inception have been positive, meaning roughly 31% have been negative — losses are a normal part of the cycle (PortfoliosLab ETF analytics).

Are there any hidden fees?

• Expense ratio is transparent at 0.03% — no hidden loads or 12b-1 fees (Vanguard fund issuer profile).
• Trading commissions on major brokerages are now typically zero, but bid-ask spreads exist.
• Non-US investors may face currency conversion costs and dividend withholding taxes.

What Did Warren Buffett Say About Vanguard?

Warren Buffett’s advice on index funds

• In his 1996 Berkshire Hathaway annual letter, Buffett wrote: “The best way to own common stocks is through an index fund that charges very low fees.”
• He has repeatedly recommended low-cost index funds for the average investor, specifically citing Vanguard as a great choice.
• His famous 10-year bet against hedge funds showed the S&P 500 outperforming a basket of hedge funds, winning by a wide margin.

How does Berkshire Hathaway invest?

• Berkshire does not invest in index funds for itself — it buys individual companies like Apple, Coca-Cola, and American Express.
• Buffett’s personal advice for non-professional investors is clear: a low-cost S&P 500 index fund is the most sensible equity investment.
• John Bogle, Vanguard’s founder, advocated the same passive approach: “Don’t look for the needle in the haystack. Just buy the haystack.”

Vanguard S&P 500 ETF vs. Peers: Comparison

Three S&P 500 ETFs, one pattern: VOO, SPY, and IVV are nearly identical in holdings but diverge in cost, liquidity, and structure.

The implication: For buy-and-hold investors, VOO and IVV offer identical expense ratios, but VOO’s massive AUM provides deeper liquidity. SPY’s higher fee makes it a poorer long-term choice despite its trading advantages.

VOO Spec Table

Eight technical details, one insight: VOO is the cheapest way to own the S&P 500 with institutional-grade tracking.

Upsides and Downsides

Timeline: Vanguard S&P 500 ETF History

Five key dates, one pattern: VOO has weathered two major bear markets and come out stronger each time.

• September 2010: Vanguard S&P 500 ETF (VOO) launched (Vanguard fund issuer profile).
• 2010–2020: Bull market drives S&P 500 to annualized return of roughly 13%.
• March 2020: COVID-19 crash — VOO’s worst month at -12.4% (PortfoliosLab ETF analytics).
• 2022: Bear market — S&P 500 declines ~19% as interest rates rise.
• 2024: S&P 500 reaches new all-time highs, recovering from 2022 losses.

What We Know and What’s Uncertain

Confirmed facts

• VOO tracks the S&P 500 index exactly via full replication (Vanguard fund issuer profile).
• Expense ratio is 0.03% — one of the lowest in the industry (Vanguard fund issuer profile).
• The S&P 500’s historical average annual return is approximately 10% over long periods.
• Warren Buffett recommended low-cost index funds for most investors.

What’s unclear

• Future market performance — no one can predict next year’s return with confidence.
• Optimal timing strategy: lump sum investing has historically beaten dollar-cost averaging about two-thirds of the time, but the difference is modest.
• Whether Vanguard will maintain its fee advantage as competitors like Fidelity and BlackRock slash costs.

Expert Perspectives

“The best way to own common stocks is through an index fund that charges very low fees.”

— Warren Buffett, Chairman of Berkshire Hathaway (1996 Annual Letter)

“Don’t look for the needle in the haystack. Just buy the haystack.”

— John Bogle, Founder of Vanguard

Two voices from different eras saying the same thing: for the vast majority of investors, a low-cost S&P 500 index fund is the most rational equity investment available. VOO makes that strategy almost trivially easy to execute.

Should You Invest in Vanguard S&P 500 Now?

For investors with a 10-year horizon, the evidence is hard to argue with. VOO has captured 105.95% of the S&P 500’s upside while capturing only 96.58% of its downside (PortfoliosLab ETF analytics). That means VOO has actually delivered slightly better-than-index risk-adjusted returns — a rarity for a passive fund.

For the investor who wants to set and forget a core equity position, VOO is as close to a no-brainer as investing gets. For the investor who needs income, wants international exposure, or can’t stomach a 20% drawdown, VOO is only one piece of the puzzle.

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For a more detailed breakdown of the different share classes and UCITS versions, see this Vanguard S&P 500 ETF guide.

Frequently asked questions