Investing term

What is Active fund?

A fund whose manager picks stocks in the hope of beating a benchmark.

An active fund employs a manager and team who pick which stocks or bonds to hold, aiming to beat a benchmark index. You pay for that effort through a higher expense ratio — often ten to twenty times what an index fund charges.

The catch, shown repeatedly in long-run studies, is that most active funds fail to beat their index after fees. The higher cost is a guaranteed drag every year; the outperformance that's meant to justify it is not. A handful of managers do beat the market over long stretches, but identifying them in advance is notoriously hard, and this year's star is often next year's laggard.

Most active funds trail the index
~10%beat the indexBeat the index10%Trailed it90%Over 15 years, most active funds trail their benchmark after fees — the fee is certain, the edge isn't.

Over 15 years only about 10% of active funds beat their benchmark. The higher fee is a certain drag every year; the outperformance meant to justify it usually never shows up.

For example

An active fund charging 0.9% a year must beat its index by 0.9% just to tie a cheap index fund charging 0.05% — a head start it has to overcome every single year.

Learn it by doing

That's Active fund in theory — it clicks when you use it. Practise it hands-on in a free, interactive lesson (Stage 6, Index Funds, ETFs & Mutual Funds).

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Why it matters to you

Active funds matter because they're heavily marketed and intuitively appealing — surely a smart expert beats a dumb index? — yet the evidence says otherwise for the large majority, mostly because of their fees. Understanding that the higher cost is certain while the outperformance is not reframes the choice: you're paying a guaranteed premium for an unlikely edge. That's why low-cost index funds have become the evidence-based default.

⚠ Chasing last year's top performer

The active fund at the top of the recent charts attracts the most money — and its lead rarely lasts, since strong runs tend to cool and today's star often becomes tomorrow's laggard. Picking active funds by recent performance is buying high on a manager's hot streak. Past returns are a poor guide, while high fees are a reliable drag.

Frequently asked questions

What is an active fund?

An active fund is a managed fund whose team picks investments in an attempt to beat a benchmark index. It charges a higher fee than an index fund to pay for that effort. The aim is outperformance, but most active funds fail to beat their benchmark after fees over the long run.

Do active funds beat index funds?

Most don't, over the long run and after fees. Studies repeatedly show the majority of active funds underperform their benchmark, largely because their higher costs are a certain drag while their outperformance is not. A minority do beat the market, but picking them in advance is very difficult.

Why are active funds more expensive?

Because you're paying for a manager and research team, plus more frequent trading, all of which cost money and are charged through a higher expense ratio. That extra cost is deducted every year whether or not the fund outperforms, which is why it's such a reliable headwind to returns.

Read the full guide

Funds & ETFsActive vs Passive ETFs: Is a Stock-Picker Worth the Extra Fee?Active ETFs pay a manager to pick winners; passive (index) ETFs just track the market cheaply. What actually differs — and whether the higher fee is worth it.8 min readFunds & ETFsIndex Fund vs ETF vs Mutual Fund: What's the Real Difference?"Index fund," "ETF," and "mutual fund" get compared as if they're the same kind of thing. Two are wrappers; one's a strategy. Here's how they actually fit together.8 min read

Related terms

BenchmarkThe reference index a fund compares itself to — e.g. the S&P 500, MSCI World, or Bloomberg Aggregate.Creation/redemptionThe mechanism that keeps ETF prices close to NAV. Authorized participants swap baskets of underlying stocks for ETF shares (or vice versa).DistributionThe income a fund pays out to its shareholders — dividends from stocks held, plus realized capital gains.ETFExchange-Traded Fund — a basket of many stocks (or bonds) bundled into a single share that trades on an exchange like a regular stock.
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