ETF comparison

CSPX vs VUAA

iShares Core S&P 500 UCITS ETF
IE00B5BMR087iShares
Vanguard S&P 500 UCITS ETF (USD) Accumulating
IE00BFMXXD54Vanguard
Figures as of October 1, 2026 (CSPX) · September 30, 2026 (VUAA)

The comparison in short

CSPX (iShares Core S&P 500 UCITS ETF, IE00B5BMR087) and VUAA (Vanguard S&P 500 UCITS ETF (USD) Accumulating, IE00BFMXXD54) both track the S&P 500 index. CSPX and VUAA have the same total expense ratio (TER), 0.07% a year. CSPX is the larger fund, with USD 159.1bn in assets against USD 89,226m for VUAA, about 1.8 times the size. CSPX reports 505 holdings and VUAA 512. 8 of the holdings published by CSPX (top 10) and VUAA (top 10) appear in both lists; measured on those published positions only, the overlap is at least 35.9%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC. In 2025, CSPX and VUAA both returned +17.6%. Over 5 years, CSPX returned +13.3% a year and VUAA +13.5% a year. CSPX and VUAA both reinvest their income (accumulating share classes). CSPX and VUAA both hold the index securities directly (physical replication). Both are domiciled in Ireland. CSPX and VUAA 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

FigureCSPXVUAA
ISINIE00B5BMR087IE00BFMXXD54
Exchange tickersCSPX, SXR8, CSSPXVUAA, VUAG
Fund houseiSharesVanguard
Total expense ratio (TER)0.07%0.07%
Ongoing charges (KID)0.07%0.07%
Fund sizeUSD 159.1bnUSD 89,226m
Launch dateMay 19, 2010May 14, 2019
ReplicationPhysicalPhysical
DomicileIrelandIreland
Distribution policyAccumulatingAccumulating
Share class currencyUSDUSD
Number of holdings505512
Risk indicator (SRRI)4 / 74 / 7
SFDR classificationArticle 6—
BenchmarkS&P 500 IndexS&P 500 Net Total Return

Performance

Calendar-year returns

YearCSPXVUAADifference
2025+17.6%+17.6%0.0
2024+24.7%+24.7%0.0
2023+25.9%+25.9%0.0
2022−18.3%−18.3%0.0
2021+28.4%+28.4%0.0
2020+18.0%+18.0%0.0

Annualised returns

PeriodCSPXVUAADifference
1 year+15.3%+15.5%−0.2
3 years+22.7%+22.6%+0.1
5 years+13.3%+13.5%−0.2
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

8 of the holdings published by CSPX (top 10) and VUAA (top 10) appear in both lists; measured on those published positions only, the overlap is at least 35.9%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC.

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 DEVICES
1.52%

Top 10 holdings of VUAA

#HoldingWeight
1
NVIDIA Corp.In both
8.10%
2
Apple Inc.In both
7.00%
3
Microsoft Corp.In both
5.70%
4
Alphabet Inc.In both
5.40%
5
Amazon.com Inc.In both
3.80%
6
Broadcom Inc.In both
2.70%
7
Meta Platforms Inc.In both
1.90%
8
Micron Technology Inc.In both
1.60%
9
Tesla Inc.
1.60%
10
JPMorgan Chase & Co.
1.40%
Compare every published holding of CSPX and VUAA in the overlap checker

Sectors and countries

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 sectors of VUAA

  1. Information Technology37.9%
  2. Financials12.3%
  3. Communication Services9.5%
  4. Health Care9.3%
  5. Consumer Discretionary9.1%
  6. Industrials8.3%
+ 4 more

Largest countries of CSPX

  1. United States99.9%

Largest countries of VUAA

  1. United States99.9%
  2. United Kingdom0.1%

Frequently asked questions

What is the difference between CSPX and VUAA?

CSPX (iShares Core S&P 500 UCITS ETF, IE00B5BMR087) and VUAA (Vanguard S&P 500 UCITS ETF (USD) Accumulating, IE00BFMXXD54) both track the S&P 500 index. CSPX and VUAA have the same total expense ratio (TER), 0.07% a year. CSPX and VUAA both reinvest their income (accumulating share classes). CSPX and VUAA both hold the index securities directly (physical replication). Both are domiciled in Ireland. This is a factual comparison from the fund houses' documents, not investment advice.

Which is cheaper, CSPX or VUAA?

CSPX and VUAA have the same total expense ratio (TER), 0.07% a year. Their key information documents state ongoing charges of 0.07% for CSPX and 0.07% for VUAA.

Which is bigger, CSPX or VUAA?

CSPX is the larger fund, with USD 159.1bn in assets against USD 89,226m for VUAA, about 1.8 times the size.

Do CSPX and VUAA hold the same companies?

8 of the holdings published by CSPX (top 10) and VUAA (top 10) appear in both lists; measured on those published positions only, the overlap is at least 35.9%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC.

How did CSPX and VUAA perform in 2025?

In 2025, CSPX and VUAA both returned +17.6%. Over 5 years, CSPX returned +13.3% a year and VUAA +13.5% a year. Over the past year, CSPX returned +15.3% and VUAA +15.5%. Past performance does not predict future returns.

Are CSPX and VUAA accumulating or distributing?

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