CSP1 vs SSAC (ISAC): which ETF won each year?

Yearly returns side by side, one winner per year — dividends included, priced as you'd actually buy them.

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 tracks the S&P 500 IndexSSAC tracks the MSCI ACWI Index

What did the last 10 years do to £10,000?

You invest £10,000 at the start of the window and touch nothing — dividends reinvested, the running year not counted.

CSP1 turned it into
£42,477
+15.56% per year on average · 20162025
SSAC turned it into
£33,247
+12.77% per year on average · 20162025
Difference
+£9,231
CSP1 made more of the same money

CSP1 vs SSAC, year by year

Calendar-year total returns (dividends included) side by side, and who took the crown each year. A dash means the fund did not exist yet.

Years compared
16
where both funds were trading
CSP1 won
11
years
SSAC won
5
years
YearCSP1SSACWinner
2026 (so far)+10.66%+12.33%SSAC
2025+9.37%+13.95%SSAC
2024+27.35%+19.63%CSP1
2023+19.79%+16.14%CSP1
2022-9.05%-8.56%SSAC
2021+31.07%+20.35%CSP1
2020+13.65%+11.80%CSP1
2019+26.42%+22.09%CSP1
2018+0.01%-4.76%CSP1
2017+10.83%+13.26%SSAC
2016+34.10%+29.60%CSP1
2015+5.78%+1.60%CSP1
2014+22.03%+11.27%CSP1
2013+31.40%+21.20%CSP1
2012+7.14%+9.30%SSAC
2011+1.73%-35.63%CSP1
2010-26.08%

CSP1 vs SSAC in plain words

CSP1 tracks the S&P 500 Index while SSAC follows the MSCI ACWI Index, so they own different slices of the market and their years can look very different. CSP1 charges 0.07% a year in running costs and SSAC charges 0.20% — CSP1 is the cheaper fund to hold.

Both are accumulating funds: dividends are reinvested inside the fund and show up as a higher share price, never as a payout. Across the 16 calendar years both funds were trading, CSP1 finished the year ahead 11 times and SSAC 5 times. £10,000 invested at the start of 2016 was worth £42,477 in CSP1 versus £33,247 in SSAC by the end of 2025, dividends reinvested.

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.

ISAC is the London (USD) listing and IUSQ the Xetra (EUR) line of the same fund, ISIN IE00B6R52259 — SSAC is its GBP line on the London Stock Exchange.

Fund facts: CSP1 vs SSAC

FactCSP1SSAC
FundiShares Core S&P 500 UCITS ETF USD (Acc)iShares MSCI ACWI UCITS ETF USD (Acc)
TracksS&P 500 IndexMSCI ACWI Index
Yearly cost (TER)0.07%0.20%
DividendsAccumulating — dividends reinvestedAccumulating — dividends reinvested
Launched19 May 201021 Oct 2011
ISINIE00B5BMR087IE00B6R52259
Also trades asISAC

Frequently asked

Is CSP1 or SSAC better?

Across the 16 calendar years both funds were trading, CSP1 finished the year ahead 11 times and SSAC 5 times. £10,000 invested at the start of 2016 was worth £42,477 in CSP1 versus £33,247 in SSAC by the end of 2025, dividends reinvested. Past returns don't promise future ones — but this is what actually happened.

What is the difference between CSP1 and SSAC?

CSP1 tracks the S&P 500 Index while SSAC follows the MSCI ACWI Index, so they own different slices of the market and their years can look very different. CSP1 charges 0.07% a year in running costs and SSAC charges 0.20% — CSP1 is the cheaper fund to hold. Both are accumulating funds: dividends are reinvested inside the fund and show up as a higher share price, never as a payout.

What would £10,000 in CSP1 have become?

£10,000 invested in CSP1 at the start of 2016 grew to £42,477 by the end of 2025, with dividends reinvested — an average of 15.6% per year.

Is ISAC the same as SSAC?

ISAC is the London (USD) listing and IUSQ the Xetra (EUR) line of the same fund, ISIN IE00B6R52259 — SSAC is its GBP line on the London Stock Exchange.

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