The Vanguard S&P 500 ETF, known by its ticker VOO, is one of the most searched investment products in the world today. In 2025, US ETFs pulled in record net inflows of about $1.49 trillion, and VOO sat at the top of the leaderboard with nearly $104 billion in annual flows. In 2026, that momentum has only grown. If you are wondering why passive investing keeps winning, this is your guide.
What Is VOO and Why Does It Keep Growing?
VOO is a fund that tracks the S&P 500 index, which covers 500 of the largest and most profitable companies in the United States. When you buy one share of VOO, you get ownership in all 500 companies, weighted by their size. The fund does not try to beat the market. It just follows it, which turns out to be a very hard strategy to beat over time.
The expense ratio is just 0.03%, which means for every $10,000 you invest, you pay just $3 per year in fees. That low cost is a core part of why VOO keeps attracting billions in new money every year. A $10,000 VOO position started in 2010 with dividends reinvested would be worth roughly $80,000 to $85,000 today, based on VOO’s average annual return of about 14.70% since launch.
The Latest Numbers: VOO’s Record Demand in 2026
The numbers speak for themselves. Five-day net flows into VOO recently measured $2.31 billion, and cumulative 10-year net flows now stand at $491.83 billion. The information technology sector carries the highest weighting inside VOO at approximately 35%, which reflects just how dominant tech companies have become in the US economy.
The S&P 500 itself has hit new record highs repeatedly in 2026, including crossing the 7,500 mark for the first time, driven by strong AI-related earnings from the largest tech companies. As those companies grow, their weight inside VOO grows too, meaning passive investors automatically capture that upside without any action required.
Why Passive Investing Beats Most Active Strategies
The evidence is consistent across decades of data. Most actively managed funds underperform their benchmark index after fees over any 15-year period. Fund managers who beat the market one year rarely repeat that performance the next. The reason is simple: markets are largely efficient, meaning prices already reflect most available information. Trying to outsmart other professional investors is expensive and mostly unsuccessful.
VOO sidesteps the problem entirely. By holding all 500 stocks in proportion to their market value, it captures the market return with minimal cost and no guesswork. Over a long enough time horizon, that approach beats the majority of professional stock pickers.
The Compounding Effect Makes the Case Stronger Every Year
The real power of VOO is not any single year of returns. It is the compounding effect of earning consistent returns on a growing base over decades. VOO pays quarterly dividends, with the most recent dividend of $1.8724 per share. Investors who reinvest those dividends automatically buy more shares, which earn more dividends, which buy still more shares. This snowball effect is the foundation of long-term wealth building.
VOO and Crypto: The New Portfolio Balance
One interesting trend emerging in 2026 is how investors are combining VOO with cryptocurrency ETFs. The cryptocurrency ETF market has now reached $170 billion in assets under management, with Bitcoin and Ethereum spot ETFs now standard tools for institutional portfolios. A common strategy is a large core VOO position for stability, combined with a smaller satellite allocation to digital asset ETFs for growth.
The logic behind this combination is diversification. Bitcoin’s correlation with the S&P 500 is historically around 40%, meaning it moves somewhat independently of stocks. Adding a modest crypto position to a VOO core portfolio adds growth potential without dramatically increasing overall risk, as long as the crypto allocation stays manageable.
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Is VOO Still a Good Buy Today?
One of the most common questions investors ask today is whether it makes sense to buy VOO when the market is near all-time highs. The historical answer is yes. Waiting for a pullback sounds logical but often means missing months or years of returns. Markets spend more time going up than coming down. For investors with a long time horizon of 10 years or more, the latest research consistently shows that time in the market matters far more than timing the market.
The practical approach is regular, consistent investing through market cycles, commonly known as dollar-cost averaging. Setting up an automatic monthly contribution into VOO means you buy more shares when prices dip and fewer when they are high, naturally improving your average entry price over time.
Frequently Asked Questions
VOO is a low-cost exchange-traded fund that tracks the S&P 500 index, giving investors exposure to 500 of the largest US companies in a single purchase. It has an expense ratio of just 0.03%, pays quarterly dividends, and has delivered an average annual return of about 14.70% since its 2010 launch.
As of 2026, VOO has accumulated approximately $491.83 billion in cumulative 10-year net inflows, making it the largest ETF in the world by assets. In 2025 alone, annual flows reached nearly $104 billion, a new record that reflects the sustained and growing demand for passive investing.
For long-term investors with a 10-plus year horizon, history consistently shows that time in the market beats timing the market. Even buying near all-time highs has historically produced strong returns over decade-long periods. A dollar-cost averaging approach, investing a set amount monthly, is the most practical way to build a position without worrying about short-term price levels.
Yes. VOO pays quarterly dividends based on the dividends paid by the 500 companies in the S&P 500 index. The most recent dividend was $1.8724 per share, with an annual yield of approximately 1.08% to 1.20%. Many investors choose to reinvest these dividends automatically to accelerate long-term compounding.
VOO charges an expense ratio of just 0.03% per year. That means a $10,000 investment costs only $3 annually in management fees. This ultra-low cost is one of the primary reasons VOO consistently outperforms the majority of actively managed large-cap funds over long periods.
Both VOO and SPY track the S&P 500 index and deliver nearly identical returns before fees. The key difference is cost. VOO charges 0.03% while SPY charges 0.0945%, making VOO significantly cheaper for long-term buy-and-hold investors. SPY has higher daily trading volume, which makes it preferred by short-term traders who need maximum liquidity.
Yes, and this is an increasingly popular approach in 2026. A common institutional strategy is a large core VOO or equity position combined with a smaller satellite allocation to Bitcoin or Ethereum ETFs. Bitcoin’s correlation with the S&P 500 is historically around 40%, meaning it adds meaningful diversification without excessive overlap with your stock holdings.
