ETF · iShares
IMSU iShares S&P 500 Materials Sector UCITS ETF
ISIN IE00B4MKCJ84London Stock Exchange: IMSUBlackRock, Inc.
- Single sectors
- ETF
- ISA
- SIPP
- Accumulating
Latest close
LSE£8.34
on
- Ongoing charge
- 0.15% a year
- Fund size
- £117m
Source: TradingView, as of , at least 15 min delayed
At a glance
As of 30/09/2026, IMSU (iShares S&P 500 Materials Sector UCITS ETF, ISIN IE00B4MKCJ84) closed at £8.34 on the London Stock Exchange. Its ongoing charge is 0.15% a year (about £15 on £10,000). Over the five years to 30/09/2026 its total return was +35.9%, or +6.2% after UK CPIH inflation.
Past returns
- 1 year to 30/09/2026
- +12.9%
- +9.3% after inflation (UK CPIH)
- 3 years to 30/09/2026
- +21.3%
- +9.5% after inflation (UK CPIH)
- 5 years to 30/09/2026
- +35.9%
- +6.2% after inflation (UK CPIH)
£1,000 put in five years ago would have been worth about £1,359 on 30/09/2026 — about £1,062 in today’s spending power, once price rises are taken out. Past performance is not a guide to future returns.
Returns: TradingView (delayed data). Inflation: ONS CPIH, latest month published.
How we work it out:ReturnsReturns after inflationTotal returnReal returnCPIH
Calendar-year and 12-month returns
Calendar-year returns of iShares S&P 500 Materials Sector UCITS ETF in pounds (price, with income reinvested in the fund): 2022 −1.4%, 2023 +6.3%, 2024 +1.6%, 2025 +2.5%; 2026 to 30/09/2026 +10.4%. Returns of iShares S&P 500 Materials Sector UCITS ETF in pounds (price, with income reinvested in the fund) over the 12 months to 30/09/2026: +13.4%; to 30/09/2025: −7.1%; to 30/09/2024: +14.0%; to 30/09/2023: +6.6%; to 30/09/2022: +6.1%.
| Year | Return | After inflation | Return shown as a bar |
|---|---|---|---|
| to | +10.4% | +7.3% | |
| +2.5% | −1.1% | ||
| +1.6% | −1.9% | ||
| +6.3% | +2.0% | ||
| −1.4% | −9.7% |
| 12 months to | Return | After inflation |
|---|---|---|
| from | +13.4% | Not available |
| from | −7.1% | −10.7% |
| from | +14.0% | +11.1% |
| from | +6.6% | +0.2% |
| from | +6.1% | −2.5% |
Source: Fundology, from recorded closes and the data vendor’s weekly price history, as of , inflation: ONS CPIH
How we work it out:Calendar-year returnsWhat a calendar-year return isAccumulating and distributing
Risk: volatility and largest fall
Volatility (annualised)
16.1%over 5 years
| 1 year | 16.3% |
|---|---|
| 3 years | 14.9% |
| 5 years | 16.1% |
Annualised from weekly returns. Higher means bumpier.
- Largest fall since October 2021
- −18.8%
- From to
- Lowest 12-month return
- −15.8%
- 12 months to
- Highest 12-month return
- +29.9%
- 12 months to
- Below its highest weekly close since October 2021
- 5.3%
- High of , latest
In words: Volatility of iShares S&P 500 Materials Sector UCITS ETF in pounds, annualised from weekly returns to 30/09/2026: 16.3% over 1 year, 14.9% over 3 years, 16.1% over 5 years. Largest fall in the price of iShares S&P 500 Materials Sector UCITS ETF since October 2021, in pounds: −18.8% from 18/10/2024 to 11/04/2025. The lowest 12-month return of iShares S&P 500 Materials Sector UCITS ETF in pounds (price, with income reinvested in the fund) since January 2021 was −15.8% (12 months to 11/04/2025); the highest was +29.9% (12 months to 10/04/2026). On 30/09/2026 the price of iShares S&P 500 Materials Sector UCITS ETF was 5.3% below its highest weekly close since October 2021 (27/02/2026), in pounds.
Source: Fundology, from recorded closes and the data vendor’s weekly price history, as of , price, with income reinvested in the fund
How we work it out:Risk figuresFallsVolatilityLargest fall
Charges compared with similar funds
- Ongoing charge
- 0.15%
- a year
- On £10,000
- £15
- a year, roughly
- Over five years
- £75
- of £10,000, before growth
- 15 charge less
- 15 the same
- 111 charge more
Ongoing charge of iShares S&P 500 Materials Sector UCITS ETF 0.15% a year, as of 01/10/2026: 111 of the 141 other single-sector funds charge more, 15 the same and 15 less (share classes counted once).
Source: Fund ongoing charges via TradingView, as of
A lower charge is not a promise of a higher return: what the fund holds matters more. Charges are the fund’s own published ongoing charges figure.
Read more:Ongoing charge (OCF)OCF and TERFee dragHow charges add up
In plain English
iShares S&P 500 Materials Sector UCITS ETF is an exchange-traded fund (ETF) from iShares, launched in 2017.
It tracks the S&P 500 Capped 35/20 Materials Sector Index — about 500 of the largest companies listed in the US.
You buy and sell it through a share-dealing account or platform during stock-market hours, like a share.
Its ongoing charge is 0.15% a year — about £15 a year on every £10,000 invested, taken from the fund's value rather than billed to you.
Income from its investments is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
Single sectors: Funds focused on one industry — banks, energy, defence, mining and so on.
Terms:ETFIndex fundUCITSAccumulating or incomeShare classISIN
Key facts
- Ticker
- IMSU
- ISIN
- IE00B4MKCJ84
- Provider
- iShares
- Tracks
- S&P 500 Capped 35/20 Materials Sector Index
- Structure
- ETF
- An exchange-traded fund: bought and sold on the stock exchange through the day, like a share.
- Income
- Accumulating
- Income is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
- Ongoing charge
- 0.15% a year · about £15 on £10,000
- Fund size
- £117m
- Launched
- Domicile
- Ireland
- Can be held in
- ISA and SIPP
- Currency hedged
- No
- Price currency
- Pounds (GBP)
- Category
- Single sectors
Price chart
Since 31/07/2026, the closing price went from £8.23 on 31/07/2026 to £8.34 on 30/09/2026 (+1.3%). The lowest close shown was £8.23 on 31/07/2026 and the highest £8.75 on 28/08/2026.
Chart: closing prices we have recorded since 31/07/2026.
Source: TradingView, as of , at least 15 min delayed
Five years of prices, and after inflation
9 weekly closes, from 31/07/2026 to 30/09/2026. The same history in September 2026 pounds, adjusted with ONS CPIH inflation.
Create a free account to see the 5-year price chart and the after-inflation chart
Sign-up takes an email address. There is no card to enter and nothing to pay.
How we work it out:Prices and returnsNAV and price
Risk and return in depth
Sharpe, Sortino and Calmar ratios
Sharpe, Sortino and Calmar ratios over 1, 3 and 5 years, from weekly returns in pounds.
With a free accountRolling returns
The full range of 247 rolling 12-month returns since January 2021, and of 143 rolling three-year returns, in pounds, with how often they were above zero.
With a free accountLargest falls and recoveries
The 3 largest falls since October 2021, in pounds, with how many weeks each took to reach its low and to recover.
With a free account
Create a free account to see the risk ratios, every rolling return and each large fall and its recovery
Sign-up takes an email address. There is no card to enter and nothing to pay.
Moves compared with a similar fund
Correlation and beta of weekly returns in pounds against iShares Core S&P 500 UCITS ETF, over the three years to 30/09/2026 (149 weeks).
Pro
Pro — currently by invitation
Pro includes moves against a comparable fund
Pro is open by invitation while it is being built. There is nothing to buy. To ask about access, email [email protected].
Questions people ask
What is the ongoing charge of IMSU?
The ongoing charge of IMSU is 0.15% a year — about £15 a year on every £10,000 invested, taken from the fund’s value rather than billed to you. Platform and dealing fees are charged separately. Ongoing charge of iShares S&P 500 Materials Sector UCITS ETF 0.15% a year, as of 01/10/2026: 111 of the 141 other single-sector funds charge more, 15 the same and 15 less (share classes counted once).
What does IMSU track?
IMSU tracks the S&P 500 Capped 35/20 Materials Sector Index — about 500 of the largest companies listed in the US.
Is IMSU accumulating or distributing?
IMSU is accumulating: income is reinvested inside the fund, so it shows up as a rising price rather than cash paid to you.
What is the ISIN of IMSU?
The ISIN of IMSU is IE00B4MKCJ84. An ISIN identifies one exact share class of a fund; IMSU is its ticker on the London Stock Exchange.
What were IMSU’s returns in each of the last five years?
Calendar-year returns of IMSU in pounds (price, with income reinvested in the fund): 2022 −1.4%, 2023 +6.3%, 2024 +1.6%, 2025 +2.5%; 2026 to 30/09/2026 +10.4%. Past performance is not a guide to future returns.
How has IMSU done after inflation?
Over the five years to 30/09/2026 IMSU’s total return was +35.9%, or +6.2% after UK CPIH inflation. Past performance is not a guide to future returns.
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Sources and dates
- Prices
- London Stock Exchange closes via TradingView, at least 15 minutes delayed, latest
- Returns
- TradingView reported returns (net asset value with income reinvested where available)
- Calendar years, risk
- Fundology, from recorded closes (weekly history from the data vendor where our record is short)
- Inflation
- ONS CPIH, latest month used August 2026
- Charges
- The fund’s ongoing charges figure, via TradingView
- Identity
- FCA Financial Instruments Reference Data System (FIRDS) and the issuer
- Fund size
- TradingView, converted to pounds at the latest ECB reference rate
Methodology:Data sourcesReturnsCategoriesAll methods
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