Where to buy a mutual fund

You buy mutual funds through a brokerage account, not directly from the fund company in most cases. A brokerage is a financial firm that holds your money and executes trades on your behalf. The major brokerages — Fidelity, Vanguard, Charles Schwab, E*TRADE, and others — all allow you to purchase mutual funds through accounts you open with them online.

You can also buy mutual funds directly from the fund company itself, but this limits you to that company's own funds. For example, if you open an account with Vanguard, you can buy Vanguard funds directly, but buying a Fidelity fund through Vanguard usually costs more in fees. Most people use a brokerage because it gives them access to thousands of funds from different companies in one place.

Some employers offer mutual funds through retirement plans like a 401(k), where you buy them as part of your workplace benefits. Banks also sell mutual funds, though their selection is often smaller and fees tend to be higher than at dedicated brokerages.

Key Takeaways

  • Open a brokerage account online at a firm like Fidelity, Vanguard, or Charles Schwab, then fund it with money from your bank account.
  • Search for the mutual fund you want by its ticker symbol or fund name, review its expense ratio and holdings, then place a buy order during market hours.
  • Mutual funds trade once per day after the market closes, so your order executes at that day's closing price, not immediately.
  • You can hold mutual funds in a regular taxable account, a retirement account like an IRA, or a 401(k) through your employer.
  • Fees vary widely — expense ratios range from under 0.05% per year for index funds to over 1% for actively managed funds, so compare before you buy.

Opening a brokerage account

Start by choosing a brokerage and visiting their website. You will need to provide your name, address, Social Security number, and employment information. The process takes 10 to 15 minutes and is entirely online. Most brokerages verify your identity instantly or within a few hours.

Once your account is open, you must fund it by linking a bank account and transferring money. You can transfer as little as $1 or as much as you want, depending on the brokerage's minimum (many have no minimum). The transfer typically takes one to three business days to appear in your brokerage account.

Decide what type of account you want. A taxable brokerage account has no contribution limits and no restrictions on when you withdraw money, but you pay taxes on gains and dividends each year. An IRA (Individual Retirement Account) lets you contribute up to a set amount per year and defer or avoid taxes on gains, but you cannot withdraw before age 59½ without penalties. If your employer offers a 401(k), that is another option, though you buy mutual funds through your employer's plan, not a brokerage.

Finding and researching the fund

Once money is in your account, search for the mutual fund by its ticker symbol — a four-letter code like VTSAX (Vanguard Total Stock Market Index Fund) or FSKAX (Fidelity Total Market Index Fund). You can also search by the fund's full name. The brokerage website will show you the fund's current price, its expense ratio, and a summary of what it holds.

The expense ratio is the annual fee the fund charges, expressed as a percentage of your investment. A fund with a 0.05% expense ratio costs $5 per year for every $10,000 you invest. A fund with a 1% expense ratio costs $100 per year on the same $10,000. Over decades, this difference compounds significantly. Index funds (which track a market index like the S&P 500) typically have lower expense ratios than actively managed funds (where a manager picks stocks).

Review the fund's holdings to understand what you are buying. Most fund websites show the top 10 holdings and the fund's overall strategy. Read the fund's prospectus if you want details, though the summary information is usually enough for a first purchase.

Placing your order

In your brokerage account, navigate to the "Buy" or "Trade" section and enter the fund's ticker symbol. The site will show you the current price and ask how many shares you want to buy. You can buy a specific dollar amount (like $5,000) or a specific number of shares. Most people buy by dollar amount because it is simpler.

Choose the order type. A market order buys at the next available price, which for mutual funds is the closing price at the end of that trading day. A limit order lets you set a maximum price you are willing to pay, but it may not execute if the price does not reach your limit. For most people, a market order is the right choice.

Review the order summary and confirm. Your order will execute after the stock market closes that day (usually around 4 p.m. Eastern time). You will see the transaction in your account by the next morning. Unlike stocks, which trade throughout the day, all mutual fund orders for a given day execute at the same price — the fund's closing net asset value (NAV).

Understanding mutual fund timing and pricing

Mutual funds price once per day, after the market closes. If you place an order at 2 p.m., it executes at that day's closing price. If you place an order after 4 p.m., it executes at the next day's closing price. This is different from stocks, which you can buy and sell throughout the trading day at changing prices.

The price you pay is the fund's net asset value (NAV), which is the total value of all the fund's holdings divided by the number of shares outstanding. The NAV changes daily based on how the fund's stocks or bonds perform. You cannot predict or control the exact price you will pay — you accept whatever the closing NAV is on the day your order executes.

Holding and managing your mutual fund

Once you own shares, they sit in your account and generate returns as the fund's holdings gain or lose value. Most mutual funds distribute dividends and capital gains to shareholders once or twice per year. You can choose to reinvest these distributions (buy more shares automatically) or receive them as cash. Reinvestment is usually the better choice for long-term investing because it compounds your returns.

You can sell your mutual fund shares anytime during market hours by placing a sell order, just as you did when buying. The sale executes at that day's closing NAV. There are no restrictions on selling (unlike some retirement accounts), though selling in a taxable account triggers capital gains taxes if the fund has gained value.

Monitor your fund periodically — not daily, but perhaps quarterly or annually. Check whether the expense ratio has changed, whether the fund's strategy still matches your goals, and whether the fund's performance is in line with similar funds. If you find a better option, you can sell and buy a different fund, though be mindful of tax consequences in taxable accounts.

Fees and costs to watch

The expense ratio is the main ongoing cost, but there are others. Some brokerages charge a transaction fee when you buy or sell a mutual fund — typically $5 to $50 per trade. Many brokerages have eliminated these fees for their own funds or for funds on a preferred list, so compare before you choose a brokerage.

Some mutual funds charge a load, which is an upfront sales commission (a front-end load) or a fee when you sell (a back-end load). Loads typically range from 3% to 6% of your investment. A $10,000 investment in a fund with a 5% front-end load costs you $500 immediately, leaving only $9,500 to invest. Most individual investors should avoid loaded funds because no-load alternatives exist at every brokerage.

If you hold a mutual fund in a taxable account, you also pay income taxes on dividends and capital gains distributions each year, even if you do not sell. This is another reason many people prefer to hold mutual funds in retirement accounts like IRAs, where taxes are deferred.

Frequently Asked Questions

Can I buy a mutual fund with just $100?

Yes. Most brokerages have no minimum investment, so you can start with $100 or even $50. Some funds have their own minimums (often $1,000 or $2,500 for initial purchases), but you can check this before you buy. Starting small and adding money over time is a common and sensible approach.

What happens if I place an order after the market closes?

Your order will execute at the next trading day's closing price. If you place an order at 5 p.m. on a Monday, it executes at Tuesday's closing NAV. If you place it on a Friday after 4 p.m., it executes at Monday's closing price (assuming the market is open Monday).

Should I buy an index fund or an actively managed fund?

Index funds have lower expense ratios and most actively managed funds do not outperform their benchmarks over long periods, so index funds are usually the better choice for most investors. However, some people prefer actively managed funds if they believe a particular manager has skill. Compare the expense ratios and historical performance before deciding.

Can I buy mutual funds in my 401(k)?

Yes. Your employer's 401(k) plan offers a menu of mutual funds to choose from. You select which funds to buy when you enroll, and contributions are deducted from your paycheck. The process is simpler than opening a brokerage account because your employer handles the setup.

Do I need to sell my mutual fund at a certain time?

No. You can hold a mutual fund indefinitely. Many investors buy and hold for decades, especially in retirement accounts. Selling is entirely your choice based on your financial goals and whether you want to move money to a different investment.