ETF · Amundi
BYBU Amundi Index Solutions - S&P 500 Buyback ETF
ISIN LU1681048556London Stock Exchange: BYBUSAS Rue la Boétie
Latest close
LSE£304.25
on · the latest close we have
- Ongoing charge
- 0.15% a year
- Fund size
- £17.0m
As of , at least 15 min delayed
At a glance
As of 06/11/2026, BYBU (Amundi Index Solutions - S&P 500 Buyback ETF, ISIN LU1681048556) closed at £304.25 on the London Stock Exchange. Its ongoing charge is 0.15% a year (about £15 on £10,000). Over the five years to 06/11/2026 its total return was +56.0%, or +21.8% after UK CPIH inflation.
Past returns
- 1 year to 06/11/2026
- +14.6%
- +10.6% after inflation (UK CPIH)
- 3 years to 06/11/2026
- +52.0%
- +37.4% after inflation (UK CPIH)
- 5 years to 06/11/2026
- +56.0%
- +21.8% after inflation (UK CPIH)
£1,000 put in five years ago would have been worth about £1,560 on 06/11/2026 — about £1,218 in today’s spending power, once price rises are taken out. Past performance is not a guide to future returns.
Returns: as reported (delayed data). Inflation: UK CPIH, latest month published.
How we work it out:ReturnsReturns after inflationTotal returnReal returnCPIH
Calendar-year and 12-month returns
Calendar-year returns of Amundi Index Solutions - S&P 500 Buyback ETF in pounds (price, with income reinvested in the fund): 2022 −1.3%, 2023 +9.6%, 2024 +17.6%, 2025 +7.4%; 2026 to 06/11/2026 +12.4%. Returns of Amundi Index Solutions - S&P 500 Buyback ETF in pounds (price, with income reinvested in the fund) over the 12 months to 30/09/2026: +10.9%; to 30/09/2025: +11.9%; to 30/09/2024: +17.6%; to 30/09/2023: +5.5%; to 30/09/2022: +7.0%.
| Year | Return | After inflation | Return shown as a bar |
|---|---|---|---|
| to | +12.4% | +8.8% | |
| to | +7.4% | +3.7% | |
| to | +17.6% | +13.6% | |
| +9.6% | +5.2% | ||
| −1.3% | −9.6% |
| 12 months to | Return | After inflation |
|---|---|---|
| from | +10.9% | +6.9% |
| from | +11.9% | +7.6% |
| from | +17.6% | +14.6% |
| from | +5.5% | −0.9% |
| from | +7.0% | −1.7% |
As of , inflation: UK CPIH
How we work it out:Calendar-year returnsWhat a calendar-year return isAccumulating and distributing
Risk: volatility and largest fall
Volatility (annualised)
14.1%over 5 years
| 1 year | 9.3% |
|---|---|
| 3 years | 12.5% |
| 5 years | 14.1% |
Annualised from weekly returns. Higher means bumpier.
- Largest fall since November 2021
- −18.5%
- From to
- Lowest 12-month return
- −6.4%
- 12 months to
- Highest 12-month return
- +32.2%
- 12 months to
- Below its highest weekly close since November 2021
- 0.4%
- High of , latest
In words: Volatility of Amundi Index Solutions - S&P 500 Buyback ETF in pounds, annualised from weekly returns to 06/11/2026: 9.3% over 1 year, 12.5% over 3 years, 14.1% over 5 years. Largest fall in the price of Amundi Index Solutions - S&P 500 Buyback ETF since November 2021, in pounds: −18.5% from 22/11/2024 to 11/04/2025. The lowest 12-month return of Amundi Index Solutions - S&P 500 Buyback ETF in pounds (price, with income reinvested in the fund) since January 2021 was −6.4% (12 months to 11/04/2025); the highest was +32.2% (12 months to 22/11/2024). On 06/11/2026 the price of Amundi Index Solutions - S&P 500 Buyback ETF was 0.4% below its highest weekly close since November 2021 (04/09/2026), in pounds.
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
- 86 charge less
- 16 the same
- 151 charge more
Ongoing charge of Amundi Index Solutions - S&P 500 Buyback ETF 0.15% a year. Compared on 11/11/2026, 151 of the 253 other US share funds charge more, 16 the same and 86 less (share classes counted once).
As of
A lower charge is not a promise of a higher return: what the fund holds matters more.
As of
Read more:Ongoing charge (OCF)OCF and TERFee dragHow charges add up
In plain English
Amundi Index Solutions - S&P 500 Buyback ETF is an exchange-traded fund (ETF) from Amundi, launched in 2015.
It tracks the S&P 500 Buyback — 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.
US shares: American companies, including the S&P 500 and Nasdaq-100 — the largest stock market in the world.
Key facts
- Ticker
- BYBU
- ISIN
- LU1681048556
- Provider
- Amundi
- Tracks
- S&P 500 Buyback
- 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
- £17.0m
- Launched
- Domicile
- Luxembourg
- UK reporting fund status
- Yes — on HMRC’s list of reporting funds (list of )
- Reporting fund since . What reporting fund status means
- Can usually be held in
- ISA and SIPP
- Check with your platform: each decides which funds it offers.
- Currency hedged
- No
- Price currency
- Pounds (GBP)
- Category
- US shares
Price chart
Over the last year, the closing price went from £263.65 on 07/11/2025 to £304.25 on 06/11/2026 (+15.4%). The lowest close shown was £262.08 on 21/11/2025 and the highest £305.45 on 04/09/2026.
One close a week. Before 27/07/2026 the closes are from the weekly price history for this listing; from then on, the closing prices we have recorded.
As of , at least 15 min delayed
Five years of prices, and after inflation
258 weekly closes, from 05/11/2021 to 06/11/2026. The same history in November 2026 pounds, adjusted with 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
What it holds
- Holdings
- 32
- 33 reported in all
- Ten largest
- 56.8%
- of the whole fund
- Effective number of holdings
- 21
- As concentrated as this many equal-sized holdings (how it is worked out)
- Largest holding
- 8.8%
- Microsoft
Top 10 holdings
| Rank# | Holding | Weight as a percentage of the fund |
|---|---|---|
| 1 | MicrosoftMSFTInformation TechnologyUnited States | 8.78% |
| 2 | Coca-ColaKOConsumer StaplesUnited States | 8.47% |
| 3 | Eli LillyLLYHealth CareUnited States | 8.02% |
| 4 | Western DigitalWDCInformation TechnologyUnited States | 5.80% |
| 5 | Micron TechnologyMUInformation TechnologyUnited States | 4.67% |
| 6 | Home DepotHDConsumer DiscretionaryUnited States | 4.49% |
| 7 | CencoraCORHealth CareUnited States | 4.35% |
| 8 | HumanaHUMHealth CareUnited States | 4.27% |
| 9 | GarminGRMNConsumer DiscretionaryUnited States | 4.10% |
| 10 | AmetekAMEIndustrialsUnited States | 3.89% |
As of , holdings as published
See the full portfolio
Every holding with search and filters, the whole breakdown by sector, country and type of asset, a map of the 32 largest and what changed since .
All holdings
The fund publishes 33 holdings; the ten largest make up 56.8% of it.
Create a free account to see the full holdings list
Sign-up takes an email address. There is no card to enter and nothing to pay.
Sector split
As a share of the whole fund. 97.9% of it is classified by sector; bonds, cash and positions that cannot be matched are left out rather than guessed.
- Electronic Technology22.5%
- Health Technology16.5%
- Technology Services14.0%
- Consumer Non-Durables10.3%
- Retail Trade7.8%
- Producer Manufacturing6.8%
- Distribution Services4.3%
- Health Services4.3%
- Other classified sectors11.4%
Holdings:Compare what it holds with another fundHoldings overlapHow overlap is measured
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 248 rolling 12-month returns since January 2021, and of 144 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 November 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.
Rank among similar funds
Rank by total return over 1, 3 and 5 years among up to 193 US share funds, not currency-hedged, highest first.
ProMoves 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 06/11/2026 (151 weeks).
Pro
Pro — currently by invitation
Pro includes the rank among similar funds and 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 BYBU?
The ongoing charge of BYBU 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 Amundi Index Solutions - S&P 500 Buyback ETF 0.15% a year. Compared on 11/11/2026, 151 of the 253 other US share funds charge more, 16 the same and 86 less (share classes counted once).
What does BYBU track?
BYBU tracks the S&P 500 Buyback — about 500 of the largest companies listed in the US.
Is BYBU accumulating or distributing?
BYBU 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 BYBU?
The ISIN of BYBU is LU1681048556. An ISIN identifies one exact share class of a fund; BYBU is its ticker on the London Stock Exchange.
What does BYBU hold?
BYBU is a swap-based (synthetic) fund: it gets the return of the index it tracks through a swap. Its published holdings, as of 04/11/2026, are the substitute basket of securities the fund holds as collateral, not the companies in that index.
What were BYBU’s returns in each of the last five years?
Calendar-year returns of BYBU in pounds (price, with income reinvested in the fund): 2022 −1.3%, 2023 +9.6%, 2024 +17.6%, 2025 +7.4%; 2026 to 06/11/2026 +12.4%. Past performance is not a guide to future returns.
How has BYBU done after inflation?
Over the five years to 06/11/2026 BYBU’s total return was +56.0%, or +21.8% after UK CPIH inflation. Past performance is not a guide to future returns.
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Fund documents and methods
- Fund documents
- Fund page at Amundi (links checked )
Methodology:ReturnsCategoriesAll methods
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