How to understand what an index fund invests in

Most people’s investing journey starts in the same place: index funds.

They're cheap. They're simple. And they don’t require you to become a part-time market analyst overnight.

But while owning index funds is straightforward, choosing one often isn't.

Open any investing platform and you’re immediately hit with a wall of jargon-heavy fund names that look like they were generated by a malfunctioning spreadsheet. Long. Technical. Almost identical... yet somehow not.

For example:

• HSBC European Index C Inc
• Vanguard FTSE 100 Index Acc
• Vanguard Global Small-Cap Index Acc
• Legal & General Future World ESG Europe ex-UK Index I

And that's just four of them.

There are thousands more where those came from – all with subtle differences hidden behind strings of acronyms, abbreviations, and corporate word soup.

Let’s decode what these fund names are actually telling you.

Fund provider

This one's simple enough: the name of the fund provider usually comes first. In the examples above, it's HSBC, Vanguard, and Legal & General.

There are many other fund providers out there such as iShares, Fidelity and Xtrackers.

The fund provider – the fund manager – must act in the best interest of investors at all times.

Index

Next comes the market exposure the fund is aiming to track. Often, this is the name of a specific index – but not always in a neat, obvious way.

Take Vanguard FTSE 100 Index Acc.

Here, the clue is fairly explicit. It's a fund provided by Vanguard that aims to track the performance of the FTSE 100 – the index made up of the 100 largest companies listed on the London Stock Exchange.

You’ll see other well-known index names crop up too, such as the S&P500 (the 500 largest listed companies in the US) or Nikkei 225 (the 225 largest companies in Japan).

That said, not every fund makes this bit so obvious. Some use broader descriptions without naming a specific index at all, even though the fund will still be tracking one behind the scenes.

If you're ever unsure, a quick search of the fund name will usually reveal the exact index it follows. Or, failing that, you can ask your friendly neighbourhood AI robot to translate the finance-speak for you.

Don't know index funds from your elbow? Start with our free index funds for beginners course hosted by Damien by Damien Talks Money. As we mentioned, it's totally free (no upsells) and you can move through it at your own pace.

Location

The fund name may also tell you a specific geography which is being tracked.

The Fidelity Index World Fund, for example, tracks well over 1,000 companies from around the world – but 23 developed market nations, to be precise.

These are countries like the UK or US which have relatively high levels of economic growth and security.

The Vanguard FTSE Global All Cap Index Fund is also comprised of companies from around the world. However, the FTSE Global All Cap index includes both developed markets and emerging markets, which are countries like China, Brazil or Argentina which are moving to a modern, industrialised economy and higher living standards.

Sometimes the fund name will directly specify whether it is tracking Developed or Emerging Markets stocks.

It's important not to feel overwhelmed at this point: you will never know an index fund inside-out from its name alone. All we want to do here is give you a little more knowledge than you had before so that you can get a better feel of an index fund so you can rule out lots of funds that you won't be interested in without even needing to do any research.

To make things a little more simple, you'll also see names of specific countries appearing, like 'UK Index' or a 'US index'. This means that the companies being tracked and invested into are just those listed in the UK or the US.

You may also see Europe ex-UK or Asia ex-Japan. This means that these funds track companies all over Europe but not the UK, and companies all over Asia but not Japan.

Size

The "All Cap" in the Vanguard FTSE Global All Cap Index Fund means that the fund tracks companies of all sizes.

If a fund says it is Small-Cap then that means that it tracks smaller-sized companies and if it is Mid-Cap then it tracks medium-sized companies.

So, a US Large-Cap fund will track large companies in the United States.

Sector/Theme

Some funds might be tracking an index focused on a specific sector. The iShares US Energy ETF, for example, tracks the largest 1,000 US stocks within (you guessed it) the energy sector.

Or the index could be centred around an economic, cultural or social theme. The Invesco AI Enablers ETF tracks global companies developing and producing the tech and hardware driving AI growth.

ESG

Given heightened concerns in recent years over climate change and the environment, there's been an increase in investor interest in so-called ESG investing. ESG stands for Environmental, Social and Governance.

The emphasis here is looking to invest in companies which are – apparently – doing their bit to make the world a better place such as investing in renewable energy, fighting racial discrimination, or just doing business more ethically.

These types of funds might have "ESG" directly in the name, or they might instead say that a fund is "screened" – meaning that the fossil fuel and arms-dealing ne'er do-wells have been removed from their underlying index.

Other Investments

Not all index funds directly track companies. They can also track other investments such as bonds.

An example is the Vanguard Global Corporate Bond Index Fund which tracks the performance of bonds issued by companies around the world.

Simplify index funds and their confusing fees

Get our free cheat sheet to make everything easy

Send me the sheet

Acc/Inc

'Acc' and 'Inc' are also commonly seen in fund names. They are known as share classes.

We listed the Vanguard FTSE 100 Index Acc and the HSBC European Index Inc in our earlier examples.

'Inc' stands for income, which means that money made by the fund will be paid out to you in the form of a regular dividend. It will give you an income. Some funds also use the term 'Dist' which is short for distribution, but this means the same thing.

'Acc' stands for accumulation, which simply means that those dividends, instead of heading straight into your bank account, get reinvested back into the fund instead. The idea is that this will boost the value of the fund and that you will get a bigger amount of money when you eventually decide to sell.

Sometimes a fund won't show either Acc or Inc within the name, and this can sometimes depend on the broker listing the fund, so you'll need to check the fund page online for more information.

It's important to remember that, regardless of whether a fund is an Acc or an Inc, the index will follow the same strategy and invest in the same companies. This only refers to the way any dividends you may be eligible for are handled.

A, B, C

There may also be letters such as A, B, C or I in the fund name. These are also share classes and can affect how much you are charged as well as minimum investment levels.

Confusingly, the letters can differ per provider. So, it pays to log onto the fund's website and drill-down for more information.

UCITS

This term is also commonly found in index names. This stands for Undertakings for Collective Investment in Transferable Securities.

This lets you know that the fund has passed certain criteria set out by the European Commission and means that the fund can be sold anywhere within the European Union. The UK has also adopted this framework.

ETF

You will sometimes see – as above – ETF at the end of a fund name. This stands for Exchange Traded Fund.

These are a type of index fund, but they behave a little differently to the other types of index fund you'll encounter – mutual funds – in that they are bought and sold just like stocks throughout the trading day, and that they have a low minimum investment amount. Read our full beginner guide to ETFs, or learn more about the differences between index mutual funds and ETFs.

Tickers

You'll often see acronyms below each of the fund names. They tend to be unique to the provider of the fund and can help you quickly identify it when you are looking for information.

An example is VUAG, which is Vanguard's S&P 500 accumulative fund.

There are sometimes regional peculiarities to look out for, such as Vanguard's S&P 500 UCITS ETF, which uses the VOO ticker in the US, but VUSA in the UK.

Another thing to watch out for with tickers is that they'll change depending on whether a fund is accumulating (dividend reinvesting) or income (dividend paying). In our fund above, for example, the ticker of the acc version is VUAG.

Fund names can look intimidating at first, but once you know what you're looking for, the blizzard of jargon starts to thin out. With a bit of time and patience, you can quickly filter out what matters and ignore the rest.

That said, understanding the name is only step one.

Before you invest, it's still essential to dig a little deeper: what the fund actually holds, how it behaves, and whether it fits your goals and risk tolerance.

In other words, decoding the label gets you to the right shelf, but you should still check what's inside the box before you hand over your money.

Using an auto-enrolled work-based pension?

The fund you're contributing to might not be right for you

Send the info