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Small-cap ETFs

Small-cap ETFs bundle lots of smaller companies into a single fund, so you can own a slice of them without choosing individual shares yourself.

Smaller companies, bigger swings

What Small-cap ETFs are

A small-cap ETF holds shares in hundreds or even thousands of smaller companies. 'Small-cap' just means a company with a relatively low total market value (its share price multiplied by the number of shares). So instead of buying one small business, you own a tiny piece of many at once.

Over some long periods, smaller companies as a group have historically returned more than large ones, which is one reason some investors add a small-cap slice. That extra return has come with extra risk, though: smaller companies can be more fragile, and their share prices tend to swing more sharply, especially when markets fall. Past patterns are not a promise about the future.

Because of this, a small-cap ETF is usually treated as a small 'satellite' — a side holding next to a broad, worldwide fund — rather than a first building block. Many broad world ETFs already include some smaller companies, so a dedicated small-cap fund is an optional extra, not a starting point.

At a glance

Risk levelHigher than large-cap
Typical fee (TER)~0.2%–0.5% per year
What's insideHundreds to thousands of small companies
Price swingsBigger moves, up and down
Typical roleSmall satellite, not a core holding

Why beginners look here

A different slice of the market

Small-cap funds hold companies a large-cap fund often skips. Over some long periods this group has returned more than large firms — but not in every period, and past patterns aren't a promise.

Higher swings, higher risk

Smaller companies can be more fragile, and their share prices often move more sharply — up and down — than large, well-established firms.

Many names, one fund

Owning hundreds of small companies at once spreads out the risk of any single one struggling.

What to look for

Overlap with your core fund Check how much your broad world ETF already holds in smaller companies, so you don't double up by accident.
Cost (the TER) The TER is the yearly fee, taken automatically from the fund. Small-cap funds often cost a little more than plain large-cap trackers, so it's worth comparing.
How many holdings More companies in the index generally means less riding on any single one, which softens concentration.
Which region it covers Some funds track one country's small companies while others span the whole developed world, and wider is usually more spread out.

Popular Small-cap ETFs

A few of the largest, pulled live from the screener — an example, not a recommendation.

See all Small-cap ETFs in the screener →

Good to know

Is a small-cap ETF too risky for a beginner?

It carries more risk than a broad world fund, so it's often treated as a small extra rather than a first or only holding. How much risk suits you is a personal decision.

Do I need one if I already own a world ETF?

Not necessarily. Most broad world ETFs already include some smaller companies, so a separate small-cap fund just tilts your mix further toward them.

Why do small-cap prices swing so much?

Smaller companies are often younger and more sensitive to the wider economy, so their share prices can rise and fall more sharply than large, well-known firms.

Related topics

Finance Hamster provides educational information about ETFs and investing. It is not investment, tax, or legal advice, and not a recommendation to buy or sell any security. Markets carry risk; do your own research or consult a licensed adviser.