OriginaveCSP1 — iShares Core S&P 500 UCITS ETF USD (Acc)
iShares Core S&P 500 UCITS ETF USD (Acc): what it is, what it costs, and what its GBP line on the London Stock Exchange actually returned — dividends reinvested.
Every figure here is in pounds — what you'd actually pocket buying on the London Stock Exchange. Fund fact sheets usually headline returns in US dollars, which can look very different in years when the pound moves against the dollar. Here's the full story, year by year.
CSP1 in plain words
CSP1 is the iShares Core S&P 500 UCITS ETF USD (Acc) from iShares. It tracks the S&P 500 Index and costs 0.07% a year, quietly deducted from returns. No cash payouts — CSP1 is an accumulating fund. Dividends are reinvested inside the fund and show up as a higher share price instead of landing in your account.
£10,000 invested at the start of 2016 was worth £42,477 by the end of 2025 — an average of 15.6% per year over 10 full years, dividends reinvested. Its best full year so far was 2016 (+34.10%), its worst 2010 (-26.08%) — the range you sign up for.
CSPX is the London (USD) listing and SXR8 the Xetra (EUR) line of the same fund, ISIN IE00B5BMR087 — CSP1 is its GBP line on the London Stock Exchange.
CSP1 fund facts
| Fund | iShares Core S&P 500 UCITS ETF USD (Acc) |
|---|---|
| Provider | iShares |
| Tracks | S&P 500 Index |
| Yearly cost (TER) | 0.07% |
| Dividends | Accumulating — reinvested automatically |
| Launched | 19 May 2010 |
| ISIN | IE00B5BMR087 |
Curious what the index actually holds? Read our S&P 500 Index profile.
CSP1 returns by year (USD)
| Year | Total return |
|---|---|
| 2026 (so far) | +10.66% |
| 2025 | +9.37% |
| 2024 | +27.35% |
| 2023 | +19.79% |
| 2022 | -9.05% |
| 2021 | +31.07% |
| 2020 | +13.65% |
| 2019 | +26.42% |
| 2018 | +0.01% |
| 2017 | +10.83% |
| 2016 | +34.10% |
| 2015 | +5.78% |
| 2014 | +22.03% |
| 2013 | +31.40% |
| 2012 | +7.14% |
| 2011 | +1.73% |
| 2010 | -26.08% |
Calendar-year total returns of CSP1 in USD, dividends reinvested — the ETF tracking this index, not the raw index level.
Frequently asked
Is CSP1 a good investment?
CSP1 is a broad, low-effort way to own the S&P 500 Index at 0.07% a year. £10,000 invested at the start of 2016 was worth £42,477 by the end of 2025 — an average of 15.6% per year over 10 full years, dividends reinvested. Whether it fits depends on your goals and horizon — past returns don't promise future ones, but this is the actual track record.
What is CSP1's TER?
CSP1's total expense ratio (TER) is 0.07% per year, deducted continuously from the fund's assets — you never get a bill, the returns are simply quoted after costs.
Does CSP1 pay dividends?
No cash payouts — CSP1 is an accumulating fund. Dividends are reinvested inside the fund and show up as a higher share price instead of landing in your account.
What would £10,000 invested in CSP1 be worth?
£10,000 invested at the start of 2016 was worth £42,477 by the end of 2025 — an average of 15.6% per year over 10 full years, dividends reinvested.
Curious about other amounts or start years? Try the CSP1 what-if calculator.