ETF comparison

SPXS vs CSPX

Invesco S&P 500 UCITS ETF Acc
IE00B3YCGJ38Invesco
iShares Core S&P 500 UCITS ETF
IE00B5BMR087iShares
Figures as of October 1, 2026 (SPXS) · October 1, 2026 (CSPX)

The comparison in short

SPXS (Invesco S&P 500 UCITS ETF Acc, IE00B3YCGJ38) and CSPX (iShares Core S&P 500 UCITS ETF, IE00B5BMR087) both track the S&P 500 index. SPXS has the lower total expense ratio (TER): 0.05% a year against 0.07% for CSPX, 0.02 percentage points less, or about 2 a year on 10,000 invested. CSPX is the larger fund, with USD 159.1bn in assets against USD 58,979m for SPXS, about 2.7 times the size. SPXS replicates its index through a swap and publishes the collateral basket behind it, so the holdings overlap is not measured. In 2025, SPXS returned +17.8% and CSPX +17.6%, a gap of 0.2 percentage points. Over 10 years, SPXS returned +15.2% a year and CSPX +15.0% a year. SPXS and CSPX both reinvest their income (accumulating share classes). CSPX holds the index securities directly (physical replication), while SPXS replicates its index through a swap (synthetic). Both are domiciled in Ireland. SPXS 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

FigureSPXSCSPX
ISINIE00B3YCGJ38IE00B5BMR087
Exchange tickersSPXS, P500, SPXPCSPX, SXR8, CSSPX
Fund houseInvescoiShares
Total expense ratio (TER)0.05%0.07%
Ongoing charges (KID)0.05%0.07%
Fund sizeUSD 58,979mUSD 159.1bn
Launch dateMay 20, 2010May 19, 2010
ReplicationSynthetic (swap)Physical
DomicileIrelandIreland
Distribution policyAccumulatingAccumulating
Share class currencyUSDUSD
Number of holdings—505
Risk indicator (SRRI)4 / 74 / 7
SFDR classificationArticle 6Article 6
BenchmarkS&P 500 IndexS&P 500 Index

Performance

Calendar-year returns

YearSPXSCSPXDifference
2025+17.8%+17.6%+0.2
2024+24.9%+24.7%+0.2
2023+26.2%+25.9%+0.3
2022−18.2%−18.3%+0.1
2021+28.6%+28.4%+0.2
2020+18.3%+18.0%+0.3

Annualised returns

PeriodSPXSCSPXDifference
1 year+15.4%+15.3%+0.1
3 years+22.8%+22.7%+0.1
5 years+13.5%+13.3%+0.2
10 years+15.2%+15.0%+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

SPXS replicates its index through a swap and publishes the collateral basket behind it, so the holdings overlap is not measured.

Top 10 holdings of SPXS

SPXS replicates its index through a swap: the securities it publishes are the collateral basket behind the swap, not the index, so they are not compared.
#HoldingWeight
1
NVIDIA ORD
8.10%
2
APPLE ORD
7.00%
3
MICROSOFT ORD
5.70%
4
AMAZON COM ORD
3.80%
5
ALPHABET CL A ORD
3.00%
6
BROADCOM ORD
2.70%
7
ALPHABET CL C ORD
2.40%
8
META PLATFORMS CL A ORD
1.90%
9
MICRON TECHNOLOGY ORD
1.60%
10
TESLA ORD
1.60%

Top 10 holdings of CSPX

#HoldingWeight
1
NVIDIA
8.44%
2
APPLE
7.28%
3
MICROSOFT
5.75%
4
AMAZON.COM INC
3.68%
5
ALPHABET CLASS A
3.00%
6
BROADCOM INC
2.47%
7
META PLATFORMS CLASS A
2.42%
8
ALPHABET CLASS C
2.41%
9
MICRON TECHNOLOGY
1.87%
10
ADVANCED MICRO DEVICES
1.52%
Compare every published holding of SPXS and CSPX in the overlap checker

Sectors and countries

Largest sectors of SPXS

  1. Information technology36.7%
  2. Financials12.5%
  3. Communication services9.7%
  4. Consumer discretionary9.4%
  5. Health care9.1%
  6. Industrials8.8%
+ 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 SPXS

  1. United States99.8%
  2. Switzerland0.1%
  3. Netherlands0.1%

Largest countries of CSPX

  1. United States99.9%

Frequently asked questions

What is the difference between SPXS and CSPX?

SPXS (Invesco S&P 500 UCITS ETF Acc, IE00B3YCGJ38) and CSPX (iShares Core S&P 500 UCITS ETF, IE00B5BMR087) both track the S&P 500 index. SPXS has the lower total expense ratio (TER): 0.05% a year against 0.07% for CSPX, 0.02 percentage points less, or about 2 a year on 10,000 invested. SPXS and CSPX both reinvest their income (accumulating share classes). CSPX holds the index securities directly (physical replication), while SPXS replicates its index through a swap (synthetic). Both are domiciled in Ireland. This is a factual comparison from the fund houses' documents, not investment advice.

Which is cheaper, SPXS or CSPX?

SPXS has the lower total expense ratio (TER): 0.05% a year against 0.07% for CSPX, 0.02 percentage points less, or about 2 a year on 10,000 invested. Their key information documents state ongoing charges of 0.05% for SPXS and 0.07% for CSPX.

Which is bigger, SPXS or CSPX?

CSPX is the larger fund, with USD 159.1bn in assets against USD 58,979m for SPXS, about 2.7 times the size.

Do SPXS and CSPX hold the same companies?

SPXS replicates its index through a swap and publishes the collateral basket behind it, so the holdings overlap is not measured.

How did SPXS and CSPX perform in 2025?

In 2025, SPXS returned +17.8% and CSPX +17.6%, a gap of 0.2 percentage points. Over 10 years, SPXS returned +15.2% a year and CSPX +15.0% a year. Over the past year, SPXS returned +15.4% and CSPX +15.3%. Past performance does not predict future returns.

Are SPXS and CSPX accumulating or distributing?

SPXS 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.