Table of Contents
- Introduction
- What Is the Fidelity S&P 500 Index Fund?
- How Does It Work?
- Types of Fidelity S&P 500 Index Funds
- Why Choose the Fidelity S&P 500 Index Fund Over Other Options?
- Key Benefits You Should Know
- Risks You Need to Understand
- How to Start Investing in the Fidelity S&P 500 Index Fund
- Fidelity vs. Vanguard vs. Schwab: Which Is Best?
- Tips to Maximize Your Returns
- Conclusion
- FAQs
- Author Bio
Introduction
You have probably heard people say that investing in the stock market is the fastest path to building long-term wealth. But where do you even start? With hundreds of funds, ETFs, and financial products competing for your attention, the choices can feel overwhelming. That is exactly where the Fidelity S&P 500 Index Fund comes in.
The Fidelity S&P 500 Index Fund is one of the most popular and straightforward ways to invest in the American economy. It tracks the performance of 500 of the largest publicly traded companies in the United States. Think Apple, Microsoft, Amazon, and hundreds of others, all in a single fund. I have seen beginners and seasoned investors alike gravitate toward it for good reason. It is simple, low-cost, and historically reliable.
In this article, you will learn exactly what this fund is, how it works, why it is worth considering, what risks come with it, and how you can get started today. Whether you are investing for the first time or looking to simplify your portfolio, this guide covers everything you need.
What Is the Fidelity S&P 500 Index Fund?
The Fidelity S&P 500 Index Fund is a type of mutual fund or exchange-traded fund that mirrors the S&P 500 index. The S&P 500 is a market index that tracks 500 large-cap U.S. companies across major sectors like technology, healthcare, financials, and consumer goods.
Instead of trying to beat the market, this fund simply follows it. You are not betting on one stock or one industry. You are spreading your money across 500 of the most established companies in the world.
Fidelity manages several versions of this fund. The most well-known is FXAIX, which stands for Fidelity 500 Index Fund. It is a mutual fund with a remarkably low expense ratio of just 0.015%. That means for every $10,000 you invest, you pay about $1.50 per year in fees. That is nearly nothing compared to actively managed funds that often charge 1% or more.
How Does It Work?
Here is the simple version: when you invest in the Fidelity S&P 500 Index Fund, your money is pooled together with other investors. The fund manager uses that pool to buy shares of all 500 companies in the S&P 500, in proportion to their market capitalization.
Market capitalization means the total value of a company’s outstanding shares. Bigger companies like Apple and Microsoft take up more of the fund. Smaller companies in the index take up less. This weighting system means the fund naturally reflects the real balance of the U.S. stock market.
When those 500 companies grow, your investment grows too. When the market drops, your investment drops with it. You are not trying to outsmart anything. You are simply riding the market. And historically, the S&P 500 has delivered an average annual return of around 10% over the long term.
Types of Fidelity S&P 500 Index Funds
Fidelity offers a few different products that track the S&P 500. Here is a quick breakdown:
FXAIX (Fidelity 500 Index Fund) This is the flagship mutual fund. It has no investment minimum, an expense ratio of 0.015%, and is one of the lowest-cost funds available anywhere. You can invest any amount you want, even just $1.
FZROX (Fidelity ZERO Total Market Index Fund) This fund is not strictly an S&P 500 fund, but it covers similar ground and has a 0% expense ratio. It tracks the total U.S. stock market, which includes S&P 500 companies plus smaller ones.
IVV (iShares Core S&P 500 ETF) While not a Fidelity-branded product, Fidelity allows you to trade this ETF commission-free. It also tracks the S&P 500 and works well for investors who prefer ETF flexibility.
Most people who talk about the Fidelity S&P 500 Index Fund are referring to FXAIX. That is the one we focus on most here.
Why Choose the Fidelity S&P 500 Index Fund Over Other Options?
Let me be straight with you. There are dozens of S&P 500 index funds out there. Vanguard has VOO. Schwab has SCHB. BlackRock manages IVV. So why would you pick Fidelity?
Here are the real reasons:
No investment minimum. Many competing funds require you to invest $1,000 or more to get started. Fidelity requires zero. You can start with $1 if you want. That is a game-changer for new investors.
Ultra-low fees. The 0.015% expense ratio on FXAIX is among the lowest in the industry. Over decades, even small fee differences add up to thousands of dollars.
Trusted platform. Fidelity has been around since 1946. It manages over $12 trillion in assets. You are not handing your money to a startup. You are working with one of the most respected financial institutions on the planet.
User-friendly interface. Whether you use the Fidelity website or the mobile app, the experience is clean and accessible. You can set up automatic investments, view your performance, and manage your portfolio without needing a finance degree.
Tax efficiency. FXAIX has historically had very low capital gains distributions. That means less tax headache for you at year end.
Key Benefits You Should Know
Investing in the Fidelity S&P 500 Index Fund comes with a set of benefits that are hard to ignore. Here is what makes it stand out:
Diversification without the work You instantly own a piece of 500 companies. Your risk is spread across sectors, industries, and business models. If one company crashes, the others cushion the blow.
Passive investing made simple You do not need to monitor earnings reports, read balance sheets, or time the market. You invest, and the fund does the rest. This is passive investing at its best.
Long-term growth potential The S&P 500 has never had a 20-year period with negative returns. That does not guarantee future performance, but it is a strong historical track record. If you stay patient, the Fidelity S&P 500 Index Fund rewards you.
Automatic reinvestment Dividends paid by the companies in the fund can be automatically reinvested. This means your money compounds over time without any extra effort from you.
Accessibility You can open a Fidelity account online in minutes. You can invest through a taxable brokerage account, a Roth IRA, a Traditional IRA, or even a 401(k) if your employer offers Fidelity plans.
Risks You Need to Understand
No investment is risk-free. Even the Fidelity S&P 500 Index Fund carries real risks you should understand before putting your money in.
Market risk When the S&P 500 drops, so does your fund. In 2008, the index lost about 37% of its value. In early 2020, it dropped nearly 34% in weeks. If you panic and sell during a downturn, you lock in those losses. The key is staying invested.
Concentration risk The S&P 500 is market-cap weighted. That means a small number of giant companies like Apple, Microsoft, and Nvidia make up a disproportionately large share of the index. If big tech takes a hit, the whole index feels it.
No international exposure The Fidelity S&P 500 Index Fund only covers U.S. companies. If global markets outperform the U.S., you miss that growth entirely. Many financial advisors suggest pairing an S&P 500 fund with an international index fund for balance.
Inflation risk During prolonged inflationary periods, stock returns can lag. Real returns (after inflation) may be lower than the headline numbers suggest.
Understanding these risks does not mean you should avoid the fund. It means you should invest with clear eyes and a long time horizon.
How to Start Investing in the Fidelity S&P 500 Index Fund
Getting started is easier than you think. Here is a step-by-step walkthrough:
Step 1: Open a Fidelity account Go to fidelity.com and click “Open an Account.” You can choose from a brokerage account, Roth IRA, Traditional IRA, and more. The process takes about 10 minutes.
Step 2: Fund your account Link your bank account and transfer money. There is no minimum deposit required to open an account.
Step 3: Search for FXAIX Once your funds are available, use the search bar to find FXAIX. This is the Fidelity 500 Index Fund.
Step 4: Place your order Enter the dollar amount you want to invest and confirm the trade. For mutual funds like FXAIX, orders are processed at the end of the trading day.
Step 5: Set up automatic investments Fidelity lets you automate recurring investments on a weekly, biweekly, or monthly basis. This strategy is called dollar-cost averaging, and it is one of the best ways to build wealth over time without stressing about market timing.
That is it. You are now an investor in the Fidelity S&P 500 Index Fund.
Fidelity vs. Vanguard vs. Schwab: Which Is Best?
This is a fair question, and the honest answer is: all three are excellent. But the details matter.
| Feature | Fidelity FXAIX | Vanguard VOO | Schwab SCHB |
|---|---|---|---|
| Expense Ratio | 0.015% | 0.03% | 0.03% |
| Minimum Investment | $0 | $1 (ETF) | $0 |
| Type | Mutual Fund | ETF | ETF |
| Platform Quality | Excellent | Good | Good |
| Commission-free trades | Yes | Yes | Yes |
Fidelity wins on expense ratio. It also wins on accessibility because of its $0 minimum for mutual fund investments. Vanguard is legendary for its investor-owned structure and has a massive loyal following. Schwab is a strong competitor with a clean interface.
If you are already using Fidelity for your 401(k) or IRA, sticking with the Fidelity S&P 500 Index Fund makes a lot of sense. Keeping everything in one place simplifies your financial life.
Tips to Maximize Your Returns
Here are some practical strategies that will help you get more out of your investment in the Fidelity S&P 500 Index Fund:
Invest consistently Do not try to time the market. Set up automatic monthly contributions and stick to the plan regardless of whether markets are up or down.
Hold for the long term The longer you stay invested, the more you benefit from compounding. Even modest monthly contributions grow significantly over 20 or 30 years.
Use a tax-advantaged account If you invest through a Roth IRA, your gains grow tax-free. That is a massive advantage over a taxable brokerage account, especially for long-term investors.
Reinvest dividends Make sure your dividend reinvestment setting is turned on. This automatically buys more shares with each dividend payment, accelerating your compounding.
Do not check your account every day Seriously. The biggest enemy of long-term investors is short-term thinking. Market fluctuations are normal. Checking your balance daily leads to emotional decisions that hurt your returns.
Pair with an international fund Consider adding an international index fund to your portfolio for geographic diversification. A common approach is an 80/20 or 70/30 split between domestic and international funds.
Conclusion
The Fidelity S&P 500 Index Fund is one of the most powerful, accessible, and affordable tools available to everyday investors. It gives you instant exposure to 500 of the world’s greatest companies, charges almost nothing in fees, and requires no prior investing knowledge to use.
You do not need a financial advisor. You do not need a big salary. You do not even need a large initial investment. What you need is a willingness to start, a long-term mindset, and the patience to let compounding do its work.
If you have been sitting on the sidelines wondering how to begin building wealth, this might be the clearest answer available. Open a Fidelity account, search for FXAIX, invest what you can, and repeat month after month.
The best time to invest was ten years ago. The second-best time is today.
What is holding you back from starting your investment journey? Share your thoughts or questions below. And if you found this guide helpful, pass it along to someone who could use a nudge in the right direction.
FAQs
1. What is the Fidelity S&P 500 Index Fund? It is a mutual fund managed by Fidelity that tracks the performance of the S&P 500 index, which includes 500 of the largest publicly traded U.S. companies. The most popular version is FXAIX.
2. How much do I need to start investing in FXAIX? There is no minimum investment required. You can start with as little as $1. This makes it one of the most accessible index funds available.
3. What is the expense ratio of FXAIX? The expense ratio is 0.015%, which is among the lowest in the entire mutual fund industry. It translates to about $1.50 per year for every $10,000 invested.
4. Is the Fidelity S&P 500 Index Fund safe? No stock market investment is completely safe. The fund’s value rises and falls with the market. However, it is considered a low-risk, diversified investment for long-term investors due to its broad exposure to 500 companies.
5. Can I hold FXAIX in a Roth IRA? Yes. Fidelity allows you to hold FXAIX in a Roth IRA, Traditional IRA, or taxable brokerage account. A Roth IRA is especially tax-efficient for long-term growth.
6. How does FXAIX compare to VOO? Both track the S&P 500, but FXAIX has a lower expense ratio (0.015% vs. 0.03%) and no minimum investment. VOO is an ETF and may suit investors who prefer intraday trading flexibility.
7. Does the Fidelity S&P 500 Index Fund pay dividends? Yes. The fund distributes dividends paid by the underlying companies, typically on a quarterly basis. You can choose to reinvest them automatically.
8. What happens to my money if Fidelity goes out of business? Your investments are held separately from Fidelity’s own assets and are protected by SIPC coverage up to $500,000. Even if Fidelity were to fail, your investments would be transferred or returned to you.
9. How often should I invest in FXAIX? The most effective strategy is to invest consistently, ideally monthly, regardless of market conditions. This is called dollar-cost averaging and it reduces the impact of short-term market swings.
10. Can I lose all my money in the Fidelity S&P 500 Index Fund? In theory, you would lose all your money only if every single company in the S&P 500 went to zero simultaneously. That has never happened and is considered extremely unlikely. You can, however, experience significant temporary losses during market downturns.
Author Bio: Hamid Ali is a personal finance writer and investment educator with a passion for making complex financial concepts simple and actionable. With years of experience researching index funds, retirement strategies, and wealth-building tools, Hamid helps everyday readers make smarter money decisions. His writing focuses on practical guidance that anyone, regardless of income or background, can apply to build a stronger financial future.
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Author Name: Hamid Ali
