How to Invest in the S&P 500 Through Robinhood

Yes, you can invest in the S&P 500 on Robinhood, but not as a single purchase

Robinhood does not offer a fund that tracks the S&P 500 directly. You cannot buy "the S&P 500" as one investment the way you might through a traditional brokerage. Instead, Robinhood lets you build an S&P 500 portfolio in two practical ways: buy individual stocks that make up the index, or buy fractional shares of multiple companies to mirror the index's composition.

The S&P 500 is a list of 500 large U.S. companies weighted by market value. If you own a piece of each company in roughly the same proportion as the index, you own an S&P 500 equivalent portfolio. Robinhood's fractional share feature makes this possible without needing thousands of dollars upfront.

Key Takeaways

Robinhood does not sell S&P 500 index funds or ETFs, so you cannot buy the index as a single security.
You can buy fractional shares of individual S&P 500 companies through Robinhood to build a diversified portfolio that tracks the index.
Fractional shares let you invest small amounts in expensive stocks like Amazon or Berkshire Hathaway without buying a full share.
An S&P 500 portfolio on Robinhood requires you to manage the holdings yourself or use a third-party tracking tool to stay aligned with the index.

How fractional shares work on Robinhood

Fractional shares are portions of a single stock. Instead of buying one whole share of Apple at roughly $230, you can buy $50 worth of Apple, which gives you a fraction of one share. Robinhood allows fractional share purchases with no minimum investment amount — you can start with $1 if you want.

This feature makes it practical to own pieces of all 500 S&P 500 companies without needing $100,000 or more. You can invest $100 and spread it across 50 companies, or $1,000 and own fractional shares of all 500. The fractional shares trade during regular market hours (9:30 a.m. to 4 p.m. Eastern time) and settle the next business day.

Building an S&P 500 portfolio manually

To replicate the S&P 500 on Robinhood, you need a list of the 500 companies and their current weights in the index. The S&P Dow Jones Indices website publishes this list for free. You then decide how much money to invest and calculate how much to put into each stock based on its weight.

For example, if Apple makes up 7% of the S&P 500 and you are investing $1,000, you would put $70 into Apple. If Microsoft is 6.5%, you put $65 into Microsoft. This approach is time-consuming to set up and requires rebalancing every few months as company weights shift. Many investors find this tedious and prefer a different route.

Why Robinhood does not offer S&P 500 funds

Robinhood's business model focuses on individual stock trading, not fund management. Index funds and exchange-traded funds (ETFs) that track the S&P 500 — like VOO, SPY, or IVV — are offered by other brokerages such as Fidelity, Charles Schwab, and Vanguard. These funds automatically hold all 500 stocks in the correct proportions and rebalance without your involvement.

Robinhood has chosen not to add these funds to its platform. If owning an S&P 500 index fund with zero management on your part is your goal, you would need to open an account at a different brokerage. Many investors use multiple brokerages for this reason — Robinhood for individual stocks and another platform for funds.

Costs and fees for S&P 500 investing on Robinhood

Robinhood charges no commission on stock trades, including fractional shares. There are no account fees, no monthly charges, and no fees to buy or sell. This makes it inexpensive to build and rebalance an S&P 500 portfolio compared to traditional brokerages that charge per trade.

The main cost is the bid-ask spread — the difference between what buyers will pay and what sellers ask. On heavily traded stocks like Apple or Microsoft, this spread is tiny (a few cents). On less-traded stocks, the spread can be wider. Over time, spreads add up if you are constantly buying and selling to rebalance. Robinhood also offers margin accounts, which charge interest if you borrow money to invest, but this is optional.

Alternatives to building your own S&P 500 portfolio

If manually tracking 500 stocks sounds impractical, consider opening a second account at a brokerage that offers S&P 500 index funds. Fidelity, Charles Schwab, and Vanguard all offer low-cost index funds or ETFs that track the S&P 500. You can keep your Robinhood account for individual stock picks and use the other account for index investing.

Another option is to use a robo-advisor like Betterment or Wealthfront, which automatically builds and rebalances a diversified portfolio including S&P 500 exposure. These services charge a small annual fee (usually 0.25% of your balance) but handle all the work. Some people use Robinhood for learning and experimentation while keeping their core long-term investments in index funds elsewhere.

Tracking tools and third-party apps

Several free and paid tools help you track an S&P 500 portfolio on Robinhood without doing the math yourself. Websites like Seeking Alpha and Yahoo Finance let you create a watchlist of all 500 stocks and monitor your holdings. Some investors use spreadsheets to track their positions and calculate rebalancing targets.

Paid portfolio tracking apps like Morningstar Premium or Personal Capital integrate with Robinhood and show you how closely your portfolio matches the S&P 500. These tools are optional — many people manage fine with a simple spreadsheet — but they reduce the mental load of staying aligned with the index.

Frequently Asked Questions

Can I buy SPY, VOO, or IVV on Robinhood?

No. Robinhood does not offer these S&P 500 ETFs. You would need to open an account at Fidelity, Charles Schwab, Vanguard, or another brokerage to buy them. These ETFs are the easiest way to own the S&P 500 because they hold all 500 stocks and rebalance automatically.

How often do I need to rebalance an S&P 500 portfolio on Robinhood?

Most investors rebalance every three to six months or when one stock drifts more than 5% from its target weight. Rebalancing means selling stocks that have grown too large and buying stocks that have fallen behind. On Robinhood, this costs nothing in commissions, but you do pay the bid-ask spread on each trade.

Is it cheaper to build an S&P 500 portfolio on Robinhood or buy an index fund elsewhere?

Index funds are usually cheaper over time. An S&P 500 ETF costs roughly 0.03% to 0.04% per year in expense ratios. Building your own portfolio on Robinhood costs nothing in fees, but bid-ask spreads and the time you spend rebalancing add up. For most people, a single index fund is simpler and cheaper.

What happens if I own fractional shares and Robinhood closes my account?

Robinhood would liquidate your fractional shares at market price and send you the cash. Your shares are held in your name, so they are protected even if the brokerage fails. The Securities Investor Protection Corporation (SIPC) covers up to $500,000 per account, including cash and securities.

Can I set up automatic investments in an S&P 500 portfolio on Robinhood?

Robinhood does not offer automatic recurring investments. You must manually buy fractional shares each time you want to invest. Some investors set a calendar reminder to invest weekly or monthly, while others use a different brokerage with automatic investment features for this reason.

This guide is for general information only and is not medical, financial, legal, or other professional advice. For decisions specific to your situation, consult a qualified professional. See our Editorial Policy.