ETF comparison

GX1A vs CSPX

iShares NASDAQ-100® UCITS ETF (DE)
DE000A0F5UF5iShares
iShares Core S&P 500 UCITS ETF
IE00B5BMR087iShares
Figures as of October 1, 2026 (GX1A) · October 1, 2026 (CSPX)

The comparison in short

GX1A (iShares NASDAQ-100® UCITS ETF (DE), DE000A0F5UF5) tracks the NASDAQ-100 index and CSPX (iShares Core S&P 500 UCITS ETF, IE00B5BMR087) the S&P 500 index. CSPX has the lower total expense ratio (TER): 0.07% a year against 0.30% for GX1A, 0.23 percentage points less, or about 23 a year on 10,000 invested. CSPX is the larger fund, with USD 159.1bn in assets against USD 6.5bn for GX1A, about 24 times the size. GX1A reports 101 holdings and CSPX 505. 8 of the holdings published by GX1A (top 10) and CSPX (top 10) appear in both lists; measured on those published positions only, the overlap is at least 36.3%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC. In 2025, GX1A returned +20.4% and CSPX +17.6%, a gap of 2.8 percentage points. Over 10 years, GX1A returned +20.6% a year and CSPX +15.0% a year. CSPX reinvests its income (accumulating), while GX1A pays it out (distributing). GX1A and CSPX both hold the index securities directly (physical replication). GX1A is domiciled in Germany and CSPX in Ireland. This is a factual comparison from the fund houses' documents, not investment advice.

Side by side

FigureGX1ACSPX
ISINDE000A0F5UF5IE00B5BMR087
Exchange tickersGX1A, NDXEX, EX19CSPX, SXR8, CSSPX
Fund houseiSharesiShares
Total expense ratio (TER)0.30%0.07%
Ongoing charges (KID)0.30%0.07%
Fund sizeUSD 6.5bnUSD 159.1bn
Launch dateMarch 27, 2006May 19, 2010
ReplicationPhysicalPhysical
DomicileGermanyIreland
Distribution policyDistributingAccumulating
Share class currencyUSDUSD
Number of holdings101505
Risk indicator (SRRI)—4 / 7
SFDR classification—Article 6
BenchmarkNASDAQ 100 IndexS&P 500 Index

Performance

Calendar-year returns

YearGX1ACSPXDifference
2025+20.4%+17.6%+2.8
2024+25.9%+24.7%+1.2
2023+54.2%+25.9%+28.3
2022−33.0%−18.3%−14.7
2021+28.1%+28.4%−0.3
2020+47.9%+18.0%+29.9

Annualised returns

PeriodGX1ACSPXDifference
1 year+23.2%+15.3%+7.9
3 years+27.4%+22.7%+4.7
5 years+15.9%+13.3%+2.6
10 years+20.6%+15.0%+5.6
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 GX1A (top 10) and CSPX (top 10) appear in both lists; measured on those published positions only, the overlap is at least 36.3%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC.

Top 10 holdings of GX1A

#HoldingWeight
1
NVIDIAIn both
8.41%
2
APPLEIn both
7.29%
3
MICROSOFTIn both
5.76%
4
MICRON TECHNOLOGYIn both
5.17%
5
ADVANCED MICRO DEVICESIn both
4.20%
6
AMAZON.COM INCIn both
4.05%
7
META PLATFORMS CLASS AIn both
3.26%
8
ALPHABET CLASS AIn both
3.00%
9
TESLA INC
2.81%
10
ALPHABET CLASS CIn both
2.80%

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 INC
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 GX1A and CSPX in the overlap checker

Sectors and countries

Largest sectors of GX1A

  1. Information Technology60.2%
  2. Communication14.8%
  3. Consumer Discretionary10.0%
  4. Consumer Staples5.5%
  5. Health Care3.7%
  6. Industrials3.1%
+ 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 GX1A

  1. United States97.0%
  2. Netherlands1.1%
  3. Canada0.9%
  4. United Kingdom0.5%
  5. China0.2%
  6. Spain0.2%

Largest countries of CSPX

  1. United States99.9%

Frequently asked questions

What is the difference between GX1A and CSPX?

GX1A (iShares NASDAQ-100® UCITS ETF (DE), DE000A0F5UF5) tracks the NASDAQ-100 index and CSPX (iShares Core S&P 500 UCITS ETF, IE00B5BMR087) the S&P 500 index. CSPX has the lower total expense ratio (TER): 0.07% a year against 0.30% for GX1A, 0.23 percentage points less, or about 23 a year on 10,000 invested. CSPX reinvests its income (accumulating), while GX1A pays it out (distributing). GX1A and CSPX both hold the index securities directly (physical replication). GX1A is domiciled in Germany and CSPX in Ireland. This is a factual comparison from the fund houses' documents, not investment advice.

Which is cheaper, GX1A or CSPX?

CSPX has the lower total expense ratio (TER): 0.07% a year against 0.30% for GX1A, 0.23 percentage points less, or about 23 a year on 10,000 invested. Their key information documents state ongoing charges of 0.30% for GX1A and 0.07% for CSPX.

Which is bigger, GX1A or CSPX?

CSPX is the larger fund, with USD 159.1bn in assets against USD 6.5bn for GX1A, about 24 times the size.

Do GX1A and CSPX hold the same companies?

8 of the holdings published by GX1A (top 10) and CSPX (top 10) appear in both lists; measured on those published positions only, the overlap is at least 36.3%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC.

How did GX1A and CSPX perform in 2025?

In 2025, GX1A returned +20.4% and CSPX +17.6%, a gap of 2.8 percentage points. Over 10 years, GX1A returned +20.6% a year and CSPX +15.0% a year. Over the past year, GX1A returned +23.2% and CSPX +15.3%. Past performance does not predict future returns.

Are GX1A and CSPX accumulating or distributing?

GX1A is distributing: it pays its income out to investors. 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.