Quick answer
A target-date fund is one fund holding stocks, bonds and other investments that shifts toward more conservative holdings as a target year — usually a planned retirement year — approaches. That schedule is the glide path [1]. These funds can still lose money [2].
Key points
- The year in the name, such as 2060, is roughly when the investor expects to retire.
- The glide path is the schedule for moving from stocks toward bonds over time.
- "To" funds stop shifting at the target date; "through" funds keep shifting after it.
- Funds with the same target year can hold very different mixes and earn very different returns.
- Fees can be layered, because a target-date fund often invests in other funds.
#How does a target-date fund work?
The SEC's Investor.gov describes target-date funds as "investment funds that hold a mix of investments, such as stock, bond, and other investment funds" [1]. Their purpose is convenience: they spread your money across different investments and change that mix — the asset allocation — over time, so you do not have to rebalance by hand. The target year appears in the fund's name. Investor.gov's example is a fund called "Lifecycle 2060 Fund", designed for people who intend to retire in or near 2060 [1].
These funds are common in workplace plans. Investor.gov notes that a popular type of fund in 401(k) plans "is called a target date fund" [3]. See the 401(k) guide for how the plan itself works.
What happens inside a target-date fund
#What is a glide path?
The glide path is the timing of the shift from mostly stocks toward more bonds and cash-like holdings [1]. FINRA explains that a glide path is designed to reduce investment risk over time, "but glide paths can vary considerably from fund to fund" [2]. Stocks usually rise and fall more than high-quality bonds, so a fund with more stocks swings more in value — see asset allocation for why the mix matters.
"To" versus "through" glide paths
Investor.gov describes two designs. Funds with a "to" glide path shift their mix until the target date and generally not past it; funds with a "through" glide path keep shifting up to and past the target date [1]. It adds that "to" funds typically switch to more conservative investments earlier than "through" funds [1]. FINRA puts it the same way: a "to" fund reaches its most conservative allocation at the date in its name, while a "through" fund generally reaches it after the target date [2].
Worked example
Illustration: two invented glide paths
These schedules are made up to show the shape of each design — they are not taken from any real fund. Both start at 90% stocks 40 years before the target and cut stocks by 1 percentage point a year. The "to" path then stays at 50%; the "through" path keeps cutting until it reaches 30%. Calculated with Python.
- 40 years before target
- To: 90% stocks · Through: 90% stocks
- 20 years before target
- To: 70% · Through: 70%
- At the target date
- To: 50% · Through: 50%
- 10 years after target
- To: 50% · Through: 40%
- 20 years after target
- To: 50% · Through: 30%
In this illustration the two funds hold the same mix until the target year and differ only afterwards. Real funds differ much more, including at the target date itself.
Check a real fund's glide path in its prospectus; actual stock percentages at the target date vary widely between fund families.
Stock share over time in the invented example
- "To" glide path
- "Through" glide path
#Can a target-date fund lose money?
Yes. FINRA states that target-date funds "do not provide guaranteed income in retirement and can lose money if the stocks and bonds owned by the fund drop in value" and that investment risk "exists throughout the lifespan of the fund" [2]. Investor.gov adds that target-date mutual funds and ETFs do not guarantee sufficient retirement income, or any specific level of income, at or after the target date [1]. A later target year is not a promise that the money will be there.
| Stock share of the fund | Portfolio change if stocks fall 30% and the rest is flat |
|---|---|
| 90% | −27.0% |
| 70% | −21.0% |
| 50% | −15.0% |
| 30% | −9.0% |
The table uses an assumed 30% fall in stocks with bonds unchanged, calculated with Python as stock share × −30%. Real markets rarely move this neatly — bonds can fall too — but it shows why a fund near its target date can still lose a meaningful amount if it holds a large stock share. Read more about market volatility.
#Why do funds with the same year differ?
Two funds labelled 2050 are not interchangeable. Investor.gov warns that "Even target date funds with the same target date often have very different investments and different performance/returns" [1]. Differences include how much stock they hold at each age, whether the path is "to" or "through", and which underlying funds they use. Some target-date options in retirement plans are collective investment trusts (CITs), which Investor.gov notes are not regulated by the SEC [1].
#What fees do target-date funds charge?
A target-date fund is often a fund of funds: it invests in other funds. Investor.gov explains that in that case, "fees may be charged by both the target date fund and the underlying funds" [1]. FINRA adds that a small percentage difference in fees can add up to a big dollar difference over time [2]. The total cost appears in the fund's expense ratio and prospectus; see expense ratios and fund fees.
Worked example
Fee drag over 25 years (hypothetical)
Assumptions, not forecasts: $10,000 invested once, a 5% yearly return before fees, held for 25 years. Fees are subtracted from the return each year. Calculated with Python.
- Total fees 0.10% a year (10,000 × 1.049^25)
- $33,066.42
- Total fees 0.50% a year (10,000 × 1.045^25)
- $30,054.34
- Difference
- $3,012.08
A 0.40 percentage-point gap in yearly costs leaves about $3,000 less after 25 years in this illustration.
Real returns vary each year and can be negative; the fee gap compounds either way.
Questions to ask before choosing a target-date fund
What is the stock share at the target date?
Look at the glide path chart in the prospectus, not just the year in the name [1].
Is it a "to" or "through" fund?
This decides whether the mix keeps changing after the target year [2].
What are the total fees?
Include the underlying funds' costs. See how to read a fund prospectus.
How does it fit with everything else you own?
A target-date fund is designed as an all-in-one holding; adding other funds changes your overall mix.
Common beginner mistakes
Picking by year alone
Two funds with the same year can hold very different amounts of stock. Compare glide paths, not just names.
Treating the target year as a promise
The fund can lose value before, at and after the target date. The date is a planning label, not a promise of income.
Stacking several target-date funds
Owning a 2040 and a 2060 fund at once blends two glide paths into a mix neither was designed for.
Overlooking layered fees
A fund of funds may charge at two levels. Check the total expense figure in the prospectus fee table.
What's the bottom line?
A target-date fund packages a whole allocation into one holding and adjusts it on a schedule, which suits people who prefer not to manage the mix themselves. The trade-offs are that glide paths vary widely, fees can be layered, and the fund can lose money at any point — including at and after its target date. Compare the glide path and total costs, and see asset allocation to understand what the fund is doing for you.
Frequently asked questions
What does the year in a target-date fund's name mean?
It is the approximate year the investor expects to retire or start using the money. A 2060 fund is designed for people planning to retire in or near 2060.
Are target-date funds only for retirement accounts?
No. They are common in 401(k) plans and IRAs, but some are also available in regular taxable accounts. Tax treatment depends on the account, not the fund.
Is a "through" fund riskier than a "to" fund?
Around the target date, a "through" fund may hold more stock because it keeps de-risking afterwards, which can mean bigger swings. Each fund's glide path decides the actual difference.
Can I choose a year other than my retirement year?
Yes. Some people pick an earlier or later year to get a more conservative or more stock-heavy mix. That changes the risk you take on.
Sources
Grade A = primary source (regulator, government agency, official rulebook or the index provider's own documents). Numbers in brackets in the text point here.
- U.S. SEC — Investor.gov. Target Date Funds — Investor Bulletin (2025). Accessed 2026-10-03.A
- FINRA. Save the Date: Target-Date Funds Explained (2022). Accessed 2026-10-03.A
- U.S. SEC — Investor.gov. 401(k) Plans (2026). Accessed 2026-10-03.A
This page is general education, not personal financial, tax or legal advice. Figures in worked examples are hypothetical and calculated before taxes and fees unless stated. Rules and limits change; check the linked primary sources for the current version. How we check every page.
