ETF comparison

IUES vs CSPX

iShares S&P 500 EUR Hedged UCITS ETF (Acc)
IE00B3ZW0K18iShares
iShares Core S&P 500 UCITS ETF
IE00B5BMR087iShares
Figures as of October 1, 2026 (IUES) · October 1, 2026 (CSPX)

The comparison in short

IUES (iShares S&P 500 EUR Hedged UCITS ETF (Acc), IE00B3ZW0K18) and CSPX (iShares Core S&P 500 UCITS ETF, IE00B5BMR087) both track the S&P 500 index. CSPX has the lower total expense ratio (TER): 0.07% a year against 0.20% for IUES, 0.13 percentage points less, or about 13 a year on 10,000 invested. CSPX is the larger fund, with USD 159.1bn in assets against EUR 9.0bn for IUES. IUES reports 505 holdings and CSPX 505. 9 of the holdings published by IUES (top 10) and CSPX (top 10) appear in both lists; measured on those published positions only, the overlap is at least 38.8%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC. In 2025, IUES returned +15.2% and CSPX +17.6%, a gap of 2.4 percentage points. Over 10 years, IUES returned +12.3% a year and CSPX +15.0% a year. Returns are in each share class's currency (EUR and USD), so part of the gap reflects exchange rates. IUES and CSPX both reinvest their income (accumulating share classes). IUES and CSPX both hold the index securities directly (physical replication). Both are domiciled in Ireland. IUES and CSPX both carry a risk indicator (SRRI) of 4 on the 1–7 scale. This is a factual comparison from the fund houses' documents, not investment advice.

Side by side

FigureIUESCSPX
ISINIE00B3ZW0K18IE00B5BMR087
Exchange tickersIUES, IUSE, IBCFCSPX, SXR8, CSSPX
Fund houseiSharesiShares
Total expense ratio (TER)0.20%0.07%
Ongoing charges (KID)0.20%0.07%
Fund sizeEUR 9.0bnUSD 159.1bn
Launch dateSeptember 30, 2010May 19, 2010
ReplicationPhysicalPhysical
DomicileIrelandIreland
Distribution policyAccumulatingAccumulating
Share class currencyEURUSD
Number of holdings505505
Risk indicator (SRRI)4 / 74 / 7
SFDR classification—Article 6
BenchmarkS&P 500 Index, 100% EURHedged Net ReturnS&P 500 Index

Performance

Calendar-year returns

YearIUESCSPXDifference
2025+15.2%+17.6%−2.4
2024+22.5%+24.7%−2.2
2023+22.4%+25.9%−3.5
2022−20.9%−18.3%−2.6
2021+27.0%+28.4%−1.4
2020+15.2%+18.0%−2.8

Annualised returns

PeriodIUESCSPXDifference
1 year+12.8%+15.3%−2.5
3 years+20.1%+22.7%−2.6
5 years+10.6%+13.3%−2.7
10 years+12.3%+15.0%−2.7
Returns as published by each fund house, in each share class's currency and net of the fund's charges. The difference is in percentage points. Past performance does not predict future returns.

Holdings

9 of the holdings published by IUES (top 10) and CSPX (top 10) appear in both lists; measured on those published positions only, the overlap is at least 38.8%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC.

Top 10 holdings of IUES

#HoldingWeight
1
NVIDIAIn both
8.47%
2
APPLEIn both
7.31%
3
MICROSOFTIn both
5.78%
4
AMAZON.COM INCIn both
3.70%
5
ALPHABET CLASS AIn both
3.01%
6
BROADCOM INCIn both
2.48%
7
META PLATFORMS CLASS AIn both
2.43%
8
ALPHABET CLASS CIn both
2.41%
9
MICRON TECHNOLOGYIn both
1.88%
10
ADVANCED MICRO DEVICESIn both
1.52%

Top 10 holdings of CSPX

#HoldingWeight
1
NVIDIAIn both
8.44%
2
APPLEIn both
7.28%
3
MICROSOFTIn both
5.75%
4
AMAZON.COM INCIn both
3.68%
5
ALPHABET CLASS AIn both
3.00%
6
BROADCOM INCIn both
2.47%
7
META PLATFORMS CLASS AIn both
2.42%
8
ALPHABET CLASS CIn both
2.41%
9
MICRON TECHNOLOGYIn both
1.87%
10
ADVANCED MICRO DEVICESIn both
1.52%
Compare every published holding of IUES and CSPX in the overlap checker

Sectors and countries

Largest sectors of IUES

  1. Information Technology40.4%
  2. Financials11.4%
  3. Communication9.9%
  4. Health Care9.1%
  5. Consumer Discretionary8.7%
  6. Industrials8.2%
+ 4 more

Largest sectors of CSPX

  1. Information Technology40.0%
  2. Financials11.3%
  3. Communication9.8%
  4. Health Care9.0%
  5. Consumer Discretionary8.6%
  6. Industrials8.1%
+ 4 more

Largest countries of IUES

  1. United States100.3%

Largest countries of CSPX

  1. United States99.9%

Frequently asked questions

What is the difference between IUES and CSPX?

IUES (iShares S&P 500 EUR Hedged UCITS ETF (Acc), IE00B3ZW0K18) and CSPX (iShares Core S&P 500 UCITS ETF, IE00B5BMR087) both track the S&P 500 index. CSPX has the lower total expense ratio (TER): 0.07% a year against 0.20% for IUES, 0.13 percentage points less, or about 13 a year on 10,000 invested. IUES and CSPX both reinvest their income (accumulating share classes). IUES and CSPX both hold the index securities directly (physical replication). Both are domiciled in Ireland. The share class of IUES is in EUR, that of CSPX in USD. This is a factual comparison from the fund houses' documents, not investment advice.

Which is cheaper, IUES or CSPX?

CSPX has the lower total expense ratio (TER): 0.07% a year against 0.20% for IUES, 0.13 percentage points less, or about 13 a year on 10,000 invested. Their key information documents state ongoing charges of 0.20% for IUES and 0.07% for CSPX.

Which is bigger, IUES or CSPX?

CSPX is the larger fund, with USD 159.1bn in assets against EUR 9.0bn for IUES.

Do IUES and CSPX hold the same companies?

9 of the holdings published by IUES (top 10) and CSPX (top 10) appear in both lists; measured on those published positions only, the overlap is at least 38.8%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC.

How did IUES and CSPX perform in 2025?

In 2025, IUES returned +15.2% and CSPX +17.6%, a gap of 2.4 percentage points. Over 10 years, IUES returned +12.3% a year and CSPX +15.0% a year. Over the past year, IUES returned +12.8% and CSPX +15.3%. Returns are in each share class's currency (EUR and USD), so part of the gap reflects exchange rates. Past performance does not predict future returns.

Are IUES and CSPX accumulating or distributing?

IUES is accumulating: it reinvests its income in the fund. CSPX is accumulating: it reinvests its income in the fund.

Go further

Other comparisons

Figures are read from the documents each fund house publishes (product page, factsheet, key information document, holdings file) and refreshed weekly. Names and tickers identify the products; FundFacts API is independent of every fund house and index provider. This comparison is factual information, not investment advice or a recommendation to buy or sell either fund.