What are fractional shares and how do they work?

Quick answer: A fractional share is a portion of a single share of stock or an ETF. It lets you invest based on a dollar amount instead of a whole-share price, so you don't have to wait until you've saved up enough for a full share before you start building a position.

Investing in the stock market traditionally required buying whole shares of a company or fund. If a stock traded at $500 per share, for example, you generally needed enough money to buy at least one full share. That requirement kept some higher-priced stocks out of reach for investors working with smaller amounts.

Today, many brokerage platforms offer another option: fractional shares. Instead of deciding how many shares to purchase, you can choose how many dollars you want to invest and receive a corresponding fraction of a share, or shares.

If you're just getting started, fractional shares can give you more flexibility and help you build a diversified portfolio without needing a large upfront investment.

"Fractional shares can make investing more accessible because investors can put smaller dollar amounts to work and build diversified portfolios over time," says Rob Haworth, senior investment strategy director for U.S. Bank Asset Management Group. "The key is to focus on your long-term goals and investment strategy rather than the number of shares you own. Whether you own a full share or a fractional share, what matters most is the quality of the investment and how it fits within your overall portfolio."

What is a fractional share?

A fractional share is a piece of a whole share of stock or an ETF.

For example, instead of buying one share of a company trading at $400 per share, you could invest $100 and own one-quarter of a share. You share in gains and losses based on the fraction you own.

Fractional shares generally move up or down in value the same way a full share does, just in proportion to your portion.

How does fractional share trading work?

Fractional share trading lets you buy securities based on a dollar amount rather than a specific number of shares.

Suppose you want to invest $50 in a stock trading at $125 per share. Rather than buying a full share, you could buy 0.4 shares.

If the stock price rises 10%, the value of both full shares and fractional shares increases proportionally. Likewise, if the stock declines, you take a proportional loss.

This approach can make investing more accessible because you can put a specific amount of money to work, regardless of a security's share price.

How do you get fractional shares?

Not all fractional shares are purchased intentionally. You may get fractional shares in several ways:

• Fractional share purchases. Many brokerage platforms let you invest a specific dollar amount in a stock or ETF. That can result in a partial share.
• Dividend reinvestment plans (DRIPs). When dividends are automatically reinvested, the dividend may not be enough to buy a full additional share. In those cases, you often get a fractional share instead.
• Stock splits and corporate actions. Corporate actions can sometimes result in fractional share ownership. For example, your holdings may not divide evenly during a stock split, merger, or other restructuring event.
• Employee stock plans. Some employee stock purchase plans and equity compensation programs may also result in fractional ownership.

Do fractional shares pay dividends?

Generally, yes. If a company pays dividends, you're typically entitled to a proportional share of those payments.

For example, if a stock pays a $1 annual dividend per share and you own half a share, you’d generally receive $0.50 in dividends, before considering taxes or account-specific factors.

The exact treatment of dividends depends on the brokerage platform and account type.

Do fractional shares have voting rights?

Voting rights don't always come with fractional ownership. Because a fractional position represents less than one full share, it may have proportional voting rights, limited voting rights, or none at all.

If shareholder voting is important to you, check how proxy voting works for fractional positions before you invest.

Can you buy fractional shares of ETFs?

In many cases, yes. Some brokerage firms let you buy fractional shares of ETFs in addition to individual stocks. This can make it easier to build a diversified portfolio with smaller dollar amounts.

However, availability varies by provider. You should confirm which ETFs are eligible for fractional share trading through your brokerage platform.

How do you buy fractional shares?

You’ll typically need a brokerage account that offers fractional share investing, such as a self-directed investing account. From there, you’ll generally:

1. Open and fund a brokerage account.
2. Select a stock or ETF.
3. Enter either the number of shares or the dollar amount you want to invest.
4. Submit the trade.

Instead of buying one or more whole shares, the brokerage may calculate and allocate a fractional ownership amount based on the amount you invest and the market price.

Available securities, order types, and trading rules differ among providers, so you should review your brokerage's specific policies on fractional share eligibility before you place a trade.

Can you sell or transfer fractional shares?

Fractional shares can often be sold, but policies vary by brokerage firm. Some providers let you sell fractional shares at any time, while others may require the fractional portion to be sold when you sell a full position.

Transfers may also be subject to restrictions. In some cases, a brokerage can transfer only whole shares and may sell the fractional portion, delivering the proceeds as cash instead.

Because procedures vary, you should review your brokerage agreement and transfer policies before moving assets between financial institutions.

What is cash in lieu of fractional shares?

Cash in lieu is a cash payment you may get when a fractional share can’t be kept after a corporate action.

For example, after a merger, stock conversion, or certain stock splits, you might get whole shares plus a cash payment for the remaining fractional share amount. Rather than issuing or transferring the fractional portion, the institution pays you its cash value.

Cash in lieu is generally treated as a sale of the fractional share. That means it can result in a capital gain or loss in a taxable account. This can happen even if you didn’t initiate the transaction. The proceeds are typically reported on your year-end tax forms.

You should review statements and tax documents carefully when you receive cash-in-lieu payments.

What are the benefits and drawbacks of fractional shares?

Fractional shares offer several potential advantages, but also come with considerations.

Benefits of fractional shares

• Lower entry points for higher-priced stocks.
• Ability to invest specific dollar amounts.
• Simplified recurring investing strategies.
• Easier portfolio diversification.
• More flexibility for newer investors.

Considerations before investing

• Transfer limitations may apply.
• Not every stock or ETF may be eligible.
• Trading features vary by brokerage platform.
• Fractional shares don’t eliminate market risk.

Most importantly, a fractional share isn’t inherently better or worse than a full share. Investment results depend on the performance of the underlying security, not the size of the ownership stake.

Understanding fractional shares

Fractional shares have expanded access to investing by allowing you to buy portions of stocks and ETFs rather than full shares. You may get them through direct purchases, dividend reinvestment plans, stock splits, and other corporate actions.

Fractional shares can be a practical way to start investing, diversify your holdings, and build a portfolio over time. As with any investment decision, it’s important to understand the risks, costs, and features of both the investment and the brokerage platform you’re using.

Whether you're investing a small amount on a regular basis or building a diversified portfolio over many years, understanding how fractional shares work can help you make more informed investment decisions.

From investing online to working with a financial professional, learn more about your investing options.

Frequently asked questions

Can you hold fractional shares in an individual retirement account?

In many cases, yes. If your brokerage platform supports fractional investing within retirement accounts, you can generally hold fractional shares in a traditional or Roth IRA the same way you would in a taxable account. Confirm eligibility with your provider, since rules can vary by account type.

Are fractional shares a good strategy for beginner investors?

Fractional shares can be a practical starting point because they let you invest a set dollar amount instead of saving up for a full share. They don't remove investment risk, so it's still worth understanding what you own and why it fits your broader strategy.

What happens to taxes when you sell a fractional share?

When you sell a fractional share in a taxable account, any profit you make may be subject to capital gains tax. Your brokerage typically tracks what you paid for your shares and reports this information on your year-end tax forms, so you don't have to calculate it yourself.