# Amundi Index Solutions - S&P 500 Buyback ETF (BYBU)

**Page:** https://fundology.uk/fund/bybu · ISIN LU1681048556

## At a glance

> Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise.

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.

## Summary

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.

Latest close: **£304.25** (06/11/2026).

## Key facts

| Fact | Value |
|---|---|
| Ticker (LSE) | BYBU |
| ISIN | LU1681048556 |
| Category | US shares |
| Type | ETF |
| Provider | Amundi |
| Tracks | S&P 500 Buyback |
| Income | Accumulating |
| Ongoing charge | 0.15% a year (£15 per £10,000) |
| Fund size | £17.0m |
| Launched | 2015 |
| Domicile | Luxembourg |
| UK reporting fund status | Yes — on HMRC’s list of reporting funds (list of 02/11/2026); reporting fund since 31/01/2018 |

## Past returns (periods to 06/11/2026)

After the fund's ongoing charges. "Income reinvested" is total return; "price only" leaves out income paid out. Real returns are after UK CPIH inflation.

| Window | Return | After CPIH inflation | Measured as |
|---|---|---|---|
| 1 year | +14.63% | +10.57% | income reinvested |
| 3 years | +52.03% | +37.36% | income reinvested |
| 5 years | +56.04% | +21.79% | income reinvested |

Returns: as reported (delayed data). Inflation: UK CPIH, latest month published.

## Calendar-year 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 CPIH inflation | Measured as |
|---|---|---|---|
| 2022 | -1.3% | -9.6% | Price |
| 2023 | +9.6% | +5.2% | Price |
| 2024 | +17.6% | +13.6% | Price |
| 2025 | +7.4% | +3.7% | Price |
| 2026 to 06/11/2026 | +12.4% | +8.8% | Price |

## Risk metrics

| Window | Volatility | Max drawdown |
|---|---|---|
| 1 year | 9.34% | -4.38% |
| 3 years | 12.45% | -18.50% |
| 5 years | 14.07% | -18.50% |

## Largest fall

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.

## Charges compared with similar funds

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).

## Charges & eligibility

- Ongoing charges figure (OCF): **0.15%** per year (as of 06/11/2026)
- Stocks and shares ISA eligible: usually (check with your platform)
- SIPP eligible: usually (check with your provider)
- ISA and SIPP mean the kind of product usually qualifies under HMRC rules. We do not check each platform’s list — each provider decides which funds it offers. Crypto ETNs have not qualified for a stocks and shares ISA since 06/04/2026, and overseas funds that are not UK-recognised UCITS, such as Swiss ETFs, do not usually qualify.

## What it holds

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.

### Top holdings

Largest positions (as of 04/11/2026), as a percentage of the whole fund:

| # | Holding | Ticker | Weight |
|---|---|---|---|
| 1 | Microsoft | [MSFT](https://fundology.uk/stock/MSFT) | 8.78% |
| 2 | Coca-Cola | [KO](https://fundology.uk/stock/KO) | 8.47% |
| 3 | Eli Lilly | [LLY](https://fundology.uk/stock/LLY) | 8.02% |
| 4 | Western Digital | [WDC](https://fundology.uk/stock/WDC) | 5.80% |
| 5 | Micron Technology | [MU](https://fundology.uk/stock/MU) | 4.67% |
| 6 | Home Depot | [HD](https://fundology.uk/stock/HD) | 4.49% |
| 7 | Cencora | [COR](https://fundology.uk/stock/COR) | 4.35% |
| 8 | Humana | [HUM](https://fundology.uk/stock/HUM) | 4.27% |
| 9 | Garmin | [GRMN](https://fundology.uk/stock/GRMN) | 4.10% |
| 10 | Ametek | [AME](https://fundology.uk/stock/AME) | 3.89% |

The 32 holdings on record (of 33 reported): https://fundology.uk/fund/bybu/holdings

## 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.

## Fund documents

- [Fund page at Amundi](https://www.amundietf.co.uk/en/professional/products/equity/amundi-sp-500-buyback-ucits-etf-usd-acc/lu1681048556)
- Links checked 12/10/2026.

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Capital at risk. Past performance is not a guide to future returns. The value of investments can fall as well as rise.
