Most people who invest do it through funds, and most of them could not say what they are paying for the privilege. That is not carelessness; the industry has spent decades making costs hard to see. But cost is the one part of investing you control completely, and over a long period it matters more than almost any decision you will make about what to hold.
This guide explains what a fund is, what the different kinds cost, and why a number that looks tiny is not.
What a fund is
A fund pools money from many people and uses it to buy a collection of investments: shares, bonds, property, or a mix. You own a slice of the whole collection. That gives you two things that are hard to get on your own: diversification, because your money is spread across dozens or thousands of holdings instead of one or two, and access, because the fund can buy things in sizes and markets an individual cannot.
In exchange, the fund charges. That is where the reading begins.
Index or active: the honest version
Funds come in two broad kinds, and the argument between them generates more heat than light.
An index fund (or tracker) aims to match a market: the FTSE 100, a global share index, a bond index. It holds what the index holds, in the same proportions, and does not try to beat it. Because there is no one picking, it is cheap to run.
An active fund employs a manager, or a team, to choose what to hold, with the aim of doing better than the market. That costs more, because people are being paid to choose.
The evidence, across decades and across most markets, is that most active funds do not beat their index after costs, most of the time. Some do, sometimes, and it is very hard to know in advance which. That is not an opinion; it is what the long-run studies show, and it is why so much money has moved towards trackers.
It is also not the whole story. There are markets and situations where active management has a better record, and there are reasons beyond return that someone might choose one over the other. We are not telling you which to buy. We are telling you that the cost difference is real, that it compounds, and that “we pick the best companies” is a claim to test rather than accept.
The fees, and where they hide
The fund’s own charge, usually shown as an ongoing charges figure (OCF) or total expense ratio, is a percentage of your money taken every year, whether the fund goes up or down. You never see it leave; it is deducted inside the fund before the price you see.
The platform’s charge, if you hold the fund through an investment platform or account, is another percentage or a flat fee on top.
Transaction costs inside the fund, from buying and selling its holdings, are often not in the headline figure at all.
Entry and exit charges, performance fees, and adviser fees may sit on top again.
Add them up. A fund that says 0.75% may cost you 1.5% or more all-in once the platform and the trading inside it are counted. The number to find is the total you pay per year, as a percentage, for the whole arrangement.
Why one percent is not small
This is the arithmetic that changes minds, so it is worth doing plainly. It is an illustration, not a forecast, and real returns will differ.
Suppose two people each invest €10,000 and add nothing, and suppose the underlying investments return 6% a year before costs for thirty years.
- Paying 0.25% a year in total costs, the money grows at 5.75%. After thirty years: roughly €53,000.
- Paying 1.25% a year, it grows at 4.75%. After thirty years: roughly €40,000.
Same investments, same period, same starting sum. The one-percent difference in cost has taken about a quarter of the final value. Over a working lifetime of contributions, with larger sums, the gap runs into tens of thousands. The fee did not look like much in any single year; compounding is what made it enormous.
That is the whole reason costs deserve more attention than they get. Return is uncertain and largely outside your control. Cost is certain and entirely inside it.
How to read a factsheet
Every fund publishes a factsheet, and it is the document that matters. Five things to find on it:
- What it holds. The top holdings and the regional or sector split. Is it what you think it is? Some “global” funds are mostly one country.
- The ongoing charge. The annual percentage. Compare it with a tracker covering the same market; that is the honest benchmark.
- The benchmark and the performance against it, over several years, not one. A fund that beat its benchmark last year and lost to it over five is telling you something.
- The risk indicator, usually a scale of one to seven. It is crude, but it is comparable between funds.
- Currency. What currency the fund is priced in, and what currencies it holds. If you live in euros and the fund is in sterling, you are taking a currency position whether you meant to or not.
What this guide is not
It is not a recommendation of any fund, platform or approach, and we do not name providers. The industry has an incentive to make cost hard to see; your incentive is to see it. Once you can, the rest of the conversation is on your terms.
Where this fits
Funds and fees are the middle of Module 6 of our Financial Literacy Course, between what risk and return actually mean and the tax wrappers that sit around investments, which are Module 11. If you hold or plan to hold investments while living in a different country from the one you opened them in, the currency point above becomes a much bigger question, covered in investing when you live in two countries.
Educational guidance, not regulated financial advice. The figures above are illustrative arithmetic, not a projection. Past performance is not a guide to future returns; the value of investments can fall as well as rise. Nothing here replaces advice from a regulated adviser who knows your full circumstances.