Best Ways to Invest for Kids: Accounts, Brokerages and Index Funds Explained
Investing for a child does not have to mean picking individual stocks or trying to predict which company will become the next big winner. For many parents, the most important decisions are choosing the right type of account, selecting a trustworthy brokerage, and using diversified, low-cost investments that can remain in place for years.
This guide explains the major options parents commonly consider, including UGMA and UTMA custodial accounts, 529 education savings plans, and regular brokerage accounts held by a parent. It also compares popular investing platforms such as Fidelity, Charles Schwab, Vanguard and Robinhood, followed by a plain-English breakdown of broad-market ETFs such as VOO, VTI, SPY, QQQ, VT and VXUS.
The three decisions parents need to make
First decide what the money is for. Next decide who should legally own and control it. Only then choose the investments that will go inside the account.
Why Investing Early Can Be So Powerful
A child's greatest investing advantage is time. A baby may have nearly two decades before college and many more decades before retirement. That long runway gives investments time to experience market growth, reinvest dividends and compound.
Starting early does not guarantee a specific return, and the stock market will have good years and bad years. However, consistently investing a manageable amount may be more realistic—and often more useful—than waiting until you can contribute a large lump sum.
The goal is not to create a perfect portfolio. The goal is to build a repeatable system that fits your family’s budget and keeps the money invested for its intended timeline.
Start With the Account: Where Should the Money Be Held?
An investment account is the container. Stocks, bonds, mutual funds and ETFs are the investments placed inside that container. The account determines who owns the money, how it is taxed and when it can be used.
529 Education Savings Plan
Designed primarily for qualified education expenses, with valuable federal tax advantages when the rules are followed.
Strong choice for college and other qualified education goals
Account owner normally keeps control
Investment menu is selected by the plan
UGMA or UTMA Custodial Account
A taxable brokerage account legally owned by the child and managed by an adult custodian until the transfer age.
Can support many goals beyond education
Offers broad investment flexibility
Becomes the child’s direct control at adulthood
Parent-Owned Brokerage Account
A taxable account in the parent’s name that the parent intends to use for the child later.
Parent keeps ownership and decision-making control
No requirement to transfer it at a certain age
Taxes generally belong to the parent
High-Yield Savings Account
Better suited to short-term goals or money that should not be exposed to stock-market losses.
Useful for expenses expected within a few years
Stable value and easier access
Lower long-term growth potential than stocks
What Is a UGMA or UTMA Account?
UGMA stands for Uniform Gifts to Minors Act, while UTMA stands for Uniform Transfers to Minors Act. Both allow an adult to open and manage a custodial account for a minor who cannot legally manage the property alone.
The adult is the custodian, but the child is the legal owner of the assets. Contributions are generally irrevocable gifts. Once money or investments are transferred into the account, they are no longer the parent’s property and cannot simply be taken back.
UGMA accounts traditionally hold financial assets such as cash, stocks, bonds, mutual funds and ETFs. UTMA laws may allow a wider variety of property, depending on the state. In everyday investing conversations, parents often use “UGMA,” “UTMA” and “custodial brokerage account” almost interchangeably, although the exact account available depends on state law and the brokerage.
How the money may be used while the child is a minor
The custodian must manage and use the assets for the child’s benefit. This can provide more flexibility than a 529 plan because withdrawals are not limited only to qualified education expenses. Depending on the circumstances, the funds might support education, enrichment programs, a vehicle needed by the child, housing-related needs, or other expenses that genuinely benefit the minor.
This does not mean the account is a general family checking account. The custodian has a legal responsibility to act for the child, and the assets should not be used to replace expenses that are simply the parent’s normal obligation without getting legal or tax guidance.
What happens when the child becomes an adult?
At the age required by the governing state’s law—commonly 18 or 21, and sometimes later—the custodianship ends and the remaining assets must be transferred to the child. At that point, the child can generally use the money however they choose.
The biggest custodial-account tradeoff
The account gives families flexibility before adulthood, but the parent cannot permanently control the money. A child who receives the account may use it for college, a home or a business—or may choose something the parent would not have selected.
Tax considerations for UGMA and UTMA accounts
Custodial brokerage accounts are taxable accounts. Interest, dividends and realized capital gains can create a tax obligation. Some unearned income may receive the child’s tax treatment, while income above applicable thresholds can be subject to the “kiddie tax” rules. Those thresholds can change, so families should check the current IRS rules or consult a tax professional.
Selling investments may also create capital gains. Even when the account is intended for a child, it is important to keep records of contributions, purchases, sales and cost basis.
Advantages of a UGMA or UTMA
Flexible purpose: The money is not restricted only to education, as long as it is used for the child’s benefit while the child is a minor.
Broad investment choice: Many custodial brokerages allow stocks, ETFs, mutual funds, bonds and cash investments.
No standard annual contribution ceiling: Families can contribute different amounts, although federal gift-tax rules still apply.
Simple wealth transfer: Assets can be gifted to a minor without creating a formal trust.
Disadvantages of a UGMA or UTMA
The gift is irrevocable: Once contributed, the assets legally belong to the child.
Mandatory transfer: The child receives full control at the state’s transfer age.
Taxable growth: Dividends, interest and gains do not receive the same broad tax-free treatment as qualified 529 withdrawals.
Financial-aid impact: Student-owned assets may be treated less favorably than parent-owned 529 assets under some financial-aid formulas.
What Is a 529 Plan?
A 529 plan is a state-sponsored, tax-advantaged account designed to help families save and invest for education. Contributions are made with after-tax money, but investment earnings can grow without annual federal tax, and qualified withdrawals are generally federally tax-free.
Qualified expenses can include eligible college costs and certain other education expenses permitted under current law. Rules have expanded over time, so parents should verify the latest federal rules and their own state plan’s requirements before taking a withdrawal.
Who owns and controls a 529?
The adult account owner generally controls the account. The child is named as the beneficiary, but the account does not automatically become the child’s unrestricted property when the child turns 18 or 21. This is an important distinction from a UGMA or UTMA.
In many situations, the owner may also change the beneficiary to another qualifying family member. This can be useful when one child receives a scholarship, chooses a less expensive school, or does not need the entire balance.
What if the child does not go to college?
A 529 is not necessarily wasted when the original beneficiary does not attend a traditional four-year college. Depending on the situation and current law, families may be able to change the beneficiary, use the money for other qualified education, withdraw an amount related to certain scholarships without the additional penalty on earnings, or complete a limited rollover to the beneficiary’s Roth IRA when all requirements are satisfied.
Nonqualified withdrawals can cause the earnings portion to be subject to income tax and usually an additional federal penalty. Contributions themselves were made after tax and are treated differently from the earnings portion.
Advantages of a 529 plan
Tax-free qualified growth: Earnings may be withdrawn federally tax-free for qualified education expenses.
Possible state benefit: Some states offer a deduction, credit or other benefit for eligible contributions.
Parent retains control: The beneficiary does not automatically gain unrestricted control at adulthood.
High lifetime limits: Plans often allow substantial long-term contributions, subject to plan and gift-tax rules.
Beneficiary flexibility: The owner may often change the beneficiary to another eligible family member.
Disadvantages of a 529 plan
Education focus: The strongest tax advantages depend on qualified use.
Plan investment menu: You cannot usually buy any individual stock or ETF you want; you select from the plan’s portfolios.
Nonqualified withdrawal consequences: The earnings portion may face tax and an additional penalty.
State rules differ: Fees, tax benefits, investment menus and contribution limits vary by plan.
Feature
529 Plan
UGMA / UTMA
Parent Brokerage
Legal owner
Usually the adult account owner
The child
The parent
Primary purpose
Qualified education
Any purpose benefiting the child
Any purpose chosen by the parent
Tax treatment
Qualified withdrawals may be tax-free
Taxable; kiddie-tax rules may apply
Taxable to the parent
Investment choices
Limited to plan menu
Broad brokerage selection
Broad brokerage selection
Control at adulthood
Owner generally keeps control
Transfers to child under state law
Parent keeps control
Best fit
Families prioritizing education tax benefits
Families prioritizing flexibility for the child
Families prioritizing parental control
Where Can Parents Open an Account?
The brokerage is the company that holds the account and provides the investing platform. A strong brokerage should make it easy to automate deposits, buy diversified funds, review statements and eventually transfer or use the assets.
Fees and product features can change. Before opening an account, verify the brokerage’s current account types, trading costs, fractional-share rules, automatic-investing tools and available 529 plan.
F
Fidelity
Strong all-around choice
Fidelity offers UGMA/UTMA custodial brokerage accounts, 529 plans, regular brokerage accounts and a separate Youth Account for eligible teens.
$0 online commissions on U.S. stocks and most ETFs
Fractional stock and ETF investing starting with small dollar amounts
Large mutual-fund and ETF selection
Useful for parents who want several family account types in one place
Good fit for: Beginners who value low minimums, fractional shares and a broad range of account options.
S
Charles Schwab
Strong service and research
Schwab offers custodial brokerage accounts and a 529 education savings plan, along with a large selection of ETFs, mutual funds and educational resources.
Established brokerage with extensive research tools
Custodial account can be opened and managed by an adult
Useful customer-service options, including branches in many areas
Schwab Stock Slices may provide fractional access to eligible S&P 500 stocks, though ETF fractional-share rules should be checked
Good fit for: Parents who value service, research and the option to speak with someone in person.
V
Vanguard
Built around long-term, low-cost funds
Vanguard offers UGMA/UTMA accounts, 529 plans and brokerage accounts, and is widely associated with low-cost index mutual funds and ETFs.
Direct access to well-known Vanguard funds such as VOO, VTI, VT and VXUS
Simple long-term investing philosophy
Fractional investing is available for eligible Vanguard ETFs
Strong fit for investors who primarily want diversified Vanguard funds
Good fit for: Parents who prefer a straightforward buy-and-hold strategy centered on Vanguard index funds.
R
Robinhood
Simple mobile-first experience
Robinhood now offers UTMA custodial accounts. The platform is designed around a streamlined mobile experience and supports stocks and ETFs.
Easy-to-use mobile interface
Fractional investing may help parents start with smaller amounts
Custodial gifting features may make contributions easier for relatives
Robinhood does not currently offer 529 plans
Good fit for: Parents who prioritize a simple app experience and specifically want a UTMA brokerage account rather than a 529.
Platform
Custodial Account
529 Plan
Fractional Investing
Standout Feature
Fidelity
UGMA / UTMA
Yes
U.S. stocks and ETFs from small dollar amounts
Broad family-account lineup and beginner-friendly minimums
Charles Schwab
UGMA / UTMA
Yes
Eligible stock slices; verify current ETF availability
Research, service and branch access
Vanguard
UGMA / UTMA
Yes
Eligible Vanguard ETFs
Low-cost Vanguard index funds
Robinhood
UTMA
No
Stocks and ETFs
Simple mobile-first experience and gifting tools
What Are Index Funds and ETFs?
An index is a group of investments designed to represent part of the market. An index fund attempts to track that index instead of relying on a manager to choose which stocks will win.
An ETF, or exchange-traded fund, is a fund that trades during the day like a stock. Many of the most popular ETFs are index funds. VOO, VTI, SPY, QQQ, VT and VXUS are ETFs, not individual companies.
Broad index funds can be attractive for a child’s long timeline because one purchase may provide ownership in hundreds or even thousands of companies. Diversification cannot prevent losses, but it reduces dependence on the success of one company.
Important: “Popular” does not mean identical
VOO and SPY both track the S&P 500. VTI holds nearly the entire U.S. stock market. QQQ follows the Nasdaq-100 and is more concentrated in large growth-oriented companies. VT includes both U.S. and international stocks. The ticker symbol should match the job you want the fund to perform.
Popular Broad-Market ETFs for a Child’s Account
VOO
Vanguard S&P 500 ETF
VOO tracks the S&P 500, representing roughly 500 of the largest publicly traded U.S. companies.
Simple exposure to large U.S. companies
Low-cost, diversified core holding
Does not directly include most small companies or international markets
Often considered by: Parents who want a straightforward large-cap U.S. foundation.
VTI
Vanguard Total Stock Market ETF
VTI tracks the broad U.S. stock market, including large-, mid-, small- and micro-cap companies.
Broader U.S. diversification than an S&P 500-only fund
One-fund approach to domestic stocks
Still does not provide international diversification
Often considered by: Parents who want one fund representing nearly the entire U.S. stock market.
SPY
State Street SPDR S&P 500 ETF Trust
SPY also tracks the S&P 500 and is one of the oldest and most heavily traded U.S. ETFs.
Very liquid and widely available
Similar underlying large-company exposure to VOO
Long-term parents may compare its expense ratio with lower-cost S&P 500 alternatives
Often considered by: Investors who value trading liquidity; VOO may be more commonly compared for long-term buy-and-hold costs.
QQQ
Invesco QQQ ETF
QQQ tracks the Nasdaq-100, which includes 100 of the largest nonfinancial companies listed on the Nasdaq.
Meaningful exposure to technology and growth-oriented companies
Less diversified by sector than VTI or an S&P 500 fund
Can experience larger swings and should not be confused with a total-market fund
Often considered by: Parents using it as a smaller growth-focused addition rather than their only diversified holding.
VT
Vanguard Total World Stock ETF
VT provides exposure to companies across the United States and international developed and emerging markets.
Global diversification in one fund
Automatically includes U.S. and non-U.S. companies
International markets may lag or outperform the U.S. during different periods
Often considered by: Parents who want a globally diversified one-fund stock portfolio.
VXUS
Vanguard Total International Stock ETF
VXUS covers a broad range of developed and emerging-market companies outside the United States.
Useful for adding international exposure to VTI or VOO
Includes thousands of non-U.S. companies
Generally used alongside, rather than instead of, a U.S. stock fund
Often considered by: Parents building a two-fund portfolio with U.S. and international stocks.
ETF
What It Tracks
Primary Exposure
Potential Role
Main Limitation
VOO
S&P 500
Large U.S. companies
Core U.S. holding
Limited small-company and international exposure
VTI
Total U.S. stock market
Large, mid and small U.S. companies
One-fund U.S. portfolio
No direct international exposure
SPY
S&P 500
Large U.S. companies
Highly liquid S&P 500 exposure
May cost more than some long-term alternatives
QQQ
Nasdaq-100
Large nonfinancial Nasdaq companies
Growth-focused satellite position
Higher concentration and sector imbalance
VT
Global stock market
U.S. and international companies
One-fund global portfolio
Less control over the U.S./international split
VXUS
Total international market
Developed and emerging markets outside the U.S.
International partner to VTI or VOO
Not a complete portfolio by itself for many U.S. investors
VOO vs. VTI vs. SPY vs. QQQ: Which Is Better for Kids?
There is no single fund that is automatically best for every child. The better question is whether the fund provides the diversification, cost and risk level the parent wants.
VOO: A simple S&P 500 option for exposure to major U.S. companies.
VTI: A broader U.S. option that adds mid- and small-company exposure.
SPY: Similar S&P 500 exposure to VOO, with extremely high trading liquidity.
QQQ: A more concentrated growth-oriented fund that may work better as an addition than as the entire portfolio.
VT: A one-fund option for global stock exposure.
VTI plus VXUS: A two-fund approach that lets parents choose their own U.S. and international percentages.
A simple portfolio can still be a strong portfolio
A child does not need ten overlapping ETFs. VOO already owns many of the same large companies found in VTI and QQQ. Adding more tickers does not always add meaningful diversification.
Should Parents Add Bonds or Keep Everything in Stocks?
The answer depends mostly on when the money will be needed and how much short-term loss the family can tolerate. A newborn investing for a goal 18 years away has a longer recovery window than a teenager who will need the money in two years.
Parents with a long horizon may choose a stock-heavy approach, while families approaching college or another fixed goal may gradually move part of the balance into bonds, stable-value options, money-market funds or cash. Many 529 plans offer age-based portfolios that automatically become more conservative as the beneficiary approaches college age.
Money needed within the next few years should generally not depend entirely on the stock market being up at the exact moment it is needed.
A Simple Step-by-Step Plan for Parents
Define the goal. Decide whether the money is primarily for education, general adulthood, a first home, a business or another purpose.
Choose the account. Compare the tax benefits and control of a 529 with the flexibility and mandatory transfer rules of a UGMA/UTMA.
Select a brokerage or state plan. Compare account availability, fees, investment choices, automation and customer support.
Choose a diversified core investment. Consider whether an S&P 500, total U.S. market or global fund fits the plan.
Automate a realistic contribution. A repeatable $25, $50 or $100 contribution may be easier to maintain than an ambitious amount that stops after a few months.
Review annually. Confirm the goal, account rules, beneficiary information, investments and risk level.
Reduce risk as the goal approaches. Avoid waiting until the last minute to protect money that will soon be needed.
Can Parents Use More Than One Account?
Yes. A family does not have to choose only one account forever. Some parents direct education-focused savings into a 529 while also maintaining a custodial or parent-owned brokerage account for flexibility.
The percentage placed in each account can reflect the family’s priorities. A parent who is highly confident that college will be a major expense may place more into the 529. A parent who values flexibility for a first home, business or other opportunity may place more into a brokerage account.
What My Wife and I Are Doing for Our Daughter
My wife and I decided not to rely on only one account. We split the money we invest for our daughter between a 529 plan and a brokerage account.
The 529 gives us a dedicated pool of money for college and other qualified education expenses, along with the potential tax benefits that come with using the account correctly. The brokerage side gives her investments that are not tied only to school.
Our hope is that she will have help paying for education without student debt, while also having assets that may support a first home, a business, transportation or another meaningful opportunity. For our family, combining the two provides a balance between education planning, long-term growth and flexibility.
See How Your Child’s Investments Could Grow
Compare different starting ages, monthly contributions and return assumptions with the free Child Wealth Calculator.
Platform features, account availability, tax rules, fund expenses and investment choices may change. Verify current information directly with the brokerage, plan provider and IRS before opening an account or making a financial decision.
This article is for educational purposes only and is not financial, tax, legal or investment advice. Investing involves risk, including possible loss of principal. Consider speaking with a qualified professional about your family’s specific circumstances.