Lesson 1 of 5
When you invest, your capital is at risk.
We're available whenever the markets are open, from Sunday night through to Friday night.
A fund is a single investment that pools money from many people to buy a spread of assets. When you hold a fund, you own a proportional slice of everything inside it, not just one company or one bond.
Most people encounter investment funds before they understand them. Many workplace pensions invest via funds. If you have a stocks and shares ISA, it may offer funds among the options. Yet the word fund appears everywhere without a clear explanation of what it actually means or where your money goes when you buy one.
You cannot judge what you do not understand. If you hold a fund inside your pension or ISA without knowing how it works, you may be relying on assumptions rather than understanding. That matters because funds are not all the same. Some hold hundreds of companies across the world. Others hold a narrow slice of one industry. Some charge a small annual fee. Others charge more.
Knowing how a fund works changes what you can assess for yourself. You can look at what a fund holds, who or what decides those holdings and what you pay each year. That is the difference between owning a position and simply having one.
A fund collects money from many investors and invests it as one pool. The fund then buys a spread of assets, such as shares in companies or bonds, according to a set plan. When you buy into a fund, you buy a share of that whole pool, not any single holding inside it.
This is not the same as buying a single company’s shares, where your outcome rides entirely on that company. It is not a savings account, where your money is protected up to a limit. And it is not a guarantee. The value of a fund can fall as well as rise, because the assets inside it can change in value.
The meaning of a fund, at its simplest: pooled money, spread across holdings, owned in proportion to what you put in.
Pooled money: Many investors put money into the same fund. That pooling gives each person exposure to more assets than they could buy alone with the same amount. What are funds in practice? They are pooled investments that let you access a wider basket of holdings in one go.
A manager or a set rule: Someone or something decides what the fund holds. An active fund has a manager who chooses which assets to buy and sell. An index-tracking fund follows a fixed rule, such as holding the same companies as a particular stock market index. Either way, you are not making the individual buy and sell decisions.
Holdings: A fund owns a spread of assets. Your return depends on how all those holdings perform together, not on one company’s results. If one holding falls, others may rise. That spread can reduce the impact of any single loss, but it does not remove risk.
Fees: Running a fund costs money. Most funds charge an annual fee, often called an ongoing charge, expressed as a percentage of what you hold. If the fee is 0.5% a year and you hold £10,000, that is £50 over the year, taken from the fund’s assets and reflected in performance. Over time, fees compound against your returns.
Imagine 10 people each put £1,000 into a pool. The pool now holds £10,000. A manager uses that £10,000 to buy shares in 50 different companies. Each person owns one-tenth of the pool, which means each person owns a slice of all 50 companies.
Now compare that to one person putting £1,000 into a single company’s shares. If that company does well, the return may be strong. If it does badly, the entire £1,000 is exposed to that one result.
The fund spreads the outcome across 50 companies. No single company failing would wipe out the whole position. But the fund can still fall in value if enough of those companies fall. Spreading exposure is not the same as removing risk.
Now add fees. Suppose the fund charges 1% a year. That ongoing cost reduces the fund’s returns over time. Over 10 years, that 1% taken annually compounds. On a hypothetical £1,000 growing at 5% a year, a 1% fee could reduce your final value by more than £130 compared to a 0.1% fee. The numbers are illustrative, but the principle is real: small percentages add up. Your actual results will differ; this is a simplified illustration.
If you’re researching a fund, here are four general questions that can help you compare options. This is not personal advice; please consult a professional if that is what you need.
What does it hold? Look at the fund factsheet and its Key Information Document or Key Investor Information, where available. It can help to check whether it holds shares, bonds, property or a mix. Look for whether it spreads across many sectors and regions or concentrates in one area.
Who or what decides? Is an active manager making choices, or does the fund track an index? Neither is automatically better. An active manager may outperform an index or may not. An index tracker will follow its index closely, for better or worse.
What does it cost each year? Find the ongoing charge figure. Compare it to similar funds. A higher fee means the fund needs stronger performance to leave you better off than a lower-fee alternative, and that is not guaranteed.
How does it match what you are trying to do? If you want broad exposure to global shares, a fund holding only UK property is not a match. If you want lower-risk holdings, a fund concentrated in one volatile sector may not suit you. The answer depends on your own situation and goals.
These questions do not tell you what to buy. They help you judge whether a fund fits your own purpose before you commit money.
Assuming a fund is diversified enough on its own: Some funds hold hundreds of companies across different industries and countries. Others hold a narrow set of similar assets, such as technology shares or emerging market bonds. Owning a fund does not automatically mean owning a well-spread portfolio. Check what is inside before you assume you are diversified.
Ignoring the annual fee because it looks small: A 1% fee sounds modest, but it compounds against your returns every year. Over a decade or more, the difference between a 0.1% fee and a 1% fee can amount to thousands of pounds on a moderate investment. Always compare fees on funds with similar aims.
Treating a fund as safe or guaranteed: A fund holds assets whose value can fall. If the shares or bonds inside a fund drop, the fund’s value drops too. Some products may offer protection features, but they typically come with conditions and costs. The value of investments can fall as well as rise, and you may get back less than you put in.
A fund pools money from many investors and holds a spread of assets as one investment.
Buying a fund gives you a slice of every holding inside it, not a single company.
A manager or an index rule decides what the fund holds.
Funds charge an annual fee that comes out of your returns.
A fund spreads exposure but does not remove risk, and its value can fall.
A fund is a pool of money gathered from many investors, used to buy a spread of assets such as shares or bonds. When you buy into a fund, you own a proportional share of everything the fund holds. One purchase gives you exposure to many holdings rather than one.
You can. The value of a fund rises and falls with the assets inside it. If those assets drop in value, the fund drops too. Funds do not guarantee returns, and you may get back less than you invested.
An active fund manager decides which assets the fund buys and sells, aiming to meet the fund’s stated objective. They research markets, choose holdings and adjust the portfolio over time. In an index-tracking fund, the manager’s role is to follow the index rule as closely as possible, not to pick individual winners.
