Published: August 25, 2026 | Last Updated: August 27, 2026
If you’ve been hearing about VOO lately, there’s a good reason. In June 2026, the Vanguard S&P 500 ETF (ticker: VOO) became the first ETF in history to hit $1 trillion in assets. That means over a trillion dollars of regular people’s money — including millions of beginners — is parked in a single, simple fund that tracks the 500 biggest companies in America.
So what is VOO, how does it work, and more importantly, how do you actually invest in it? This guide walks you through everything, step by step, even if you’ve never bought a stock before.
What Is VOO and Why Does It Matter?
VOO stands for Vanguard S&P 500 ETF. An ETF (exchange-traded fund) is basically a basket of stocks you can buy with a single purchase. Instead of picking individual stocks like Apple or Amazon, you buy one share of VOO and instantly own a tiny slice of all 500 companies in the S&P 500.
The S&P 500 is a list of the 500 largest publicly traded companies in the US — think Apple, Microsoft, Google, Nvidia, Berkshire Hathaway. When you hear “the market went up 1% today,” they’re usually talking about the S&P 500.
- Ultra-low fees: VOO charges an expense ratio of just 0.03% per year. That means on a $10,000 investment, you pay $3 in annual fees. Compare that to actively managed funds that often charge 1% or more.
- No minimum investment: You can buy fractional shares at most brokerages, meaning you can start with $1.
- Proven long-term track record: The S&P 500 has historically returned an average of about 10% per year over long periods.
- Warren Buffett approved: Buffett has said he wants 90% of the money he leaves to his wife invested in an S&P 500 index fund.
The $1 trillion milestone isn’t just a fun fact — it reflects a massive shift in how people invest. Millions of everyday investors have chosen low-cost, passive index investing over expensive, actively managed funds. VOO is the clearest example of that trend.
VOO vs. VTI: Which Should a Beginner Choose?
You might see both VOO and VTI recommended for beginners. Here’s the simple breakdown:
- VOO tracks the S&P 500 — the 500 largest US companies (large-cap)
- VTI tracks the entire US stock market — over 3,700 companies including mid-cap and small-cap stocks
Historically, their performance has been almost identical, because the top 500 companies that VOO holds make up roughly 85% of VTI’s weight anyway.
For most beginners, VOO is a perfectly fine choice. If you want to keep things simple, pick one and start investing. Don’t let the choice between the two stop you from getting started — that’s the biggest mistake new investors make.
How to Invest in VOO: Step-by-Step
Here’s exactly how to buy your first share of VOO:
Step 1: Open a Brokerage Account
To buy VOO, you need a brokerage account. For beginners, Robinhood is one of the easiest places to start — it has no account minimums, no commissions on trades, and you can buy fractional shares starting with just $1.
[AFFILIATE LINK – Robinhood] — Sign up for Robinhood and get a free stock when you open an account.
The signup process takes about 5–10 minutes. You’ll need your Social Security number, a bank account to link, and a government-issued ID.
Step 2: Fund Your Account
Once your account is open, transfer money from your bank. Most brokerages allow instant deposits of up to $1,000 while your bank transfer processes in the background. You don’t need a lot — even $50 or $100 gets you started.
Step 3: Search for VOO
In Robinhood’s search bar, type “VOO.” You’ll see the Vanguard S&P 500 ETF pop up. Tap on it to see the current price and a summary of what it holds.
Step 4: Choose How Much to Invest
Here’s the great news: you don’t need to buy a whole share of VOO (which was trading around $550–$600 in mid-2026). With fractional shares, you can invest any dollar amount — $10, $25, $50, whatever fits your budget.
Select “Buy” and enter the dollar amount you want to invest. Review the order and confirm.
Step 5: Set Up Recurring Investments
The real magic of index fund investing isn’t the single purchase — it’s the consistency. Set up automatic weekly or monthly contributions so you’re buying VOO regularly, regardless of whether the market is up or down. This strategy is called dollar-cost averaging, and it’s one of the most powerful tools a beginner investor has.
What Happens After You Buy VOO?
Once you own VOO, it simply sits in your account and tracks the S&P 500. When the market goes up, your VOO goes up. When it goes down, so does VOO.
VOO pays dividends. The companies in the S&P 500 pay dividends, and VOO passes those along to you quarterly. In your brokerage account, these dividends can be automatically reinvested to buy more shares.
Don’t panic during downturns. The S&P 500 has dropped 10–20% at various points in its history — and every single time, it has recovered and gone on to new highs. The investors who stayed calm and kept investing during downturns ended up better off than those who sold.
Time is your biggest advantage. If you invest $200/month into VOO starting at age 22 and earn the historical average return of ~10%, you’d have roughly $1.3 million by age 62. Starting at 32 with the same contribution? About $500,000. The difference is a decade of compounding.
Common Mistakes Beginners Make With VOO
Waiting for the “perfect time” to buy. There’s no perfect time. The best time to invest was 10 years ago. The second-best time is right now.
Selling during a dip. The worst investing mistake you can make is selling low. If VOO drops 20%, remind yourself that you now own the same 500 companies at a 20% discount.
Overcomplicating your portfolio. You don’t need 15 different ETFs. Many financial experts — including Buffett — argue that a single S&P 500 fund is all most people need.
Investing money you might need soon. VOO is a long-term investment. Don’t invest your emergency fund or money you’ll need in the next 1–3 years.
Should You Hold VOO in a Roth IRA?
Absolutely — and this is actually the best way to invest in VOO if you’re a beginner.
A Roth IRA lets your investments grow completely tax-free. You pay taxes on the money before it goes in, and then you never pay taxes on the growth or withdrawals in retirement. That means 30 years of VOO dividends and capital gains — completely tax-free.
Most brokerages, including Robinhood, let you open a Roth IRA. In 2026, you can contribute up to $7,500 per year to a Roth IRA if you’re under 50.
The Bottom Line
Investing in VOO is one of the smartest and simplest moves a beginner investor can make. You’re buying a piece of the 500 biggest companies in America, paying almost nothing in fees, and letting compound interest do the work for you.
The fact that VOO just hit $1 trillion in assets tells you something important: millions of investors — from total beginners to billionaires — trust this fund. You don’t need to be a finance expert. You just need to start.
Ready to buy your first share of VOO? Open a free account with Robinhood and get started today with as little as $1.
[AFFILIATE LINK – Robinhood]
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