ETF comparison

IWDA vs SSAC

Figures as of October 1, 2026 (IWDA) · October 1, 2026 (SSAC)

The comparison in short

IWDA (iShares Core MSCI World UCITS ETF, IE00B4L5Y983) tracks the MSCI World index and SSAC (iShares MSCI All Country World UCITS ETF, IE00B6R52259) the MSCI ACWI index. IWDA and SSAC have the same total expense ratio (TER), 0.20% a year. IWDA is the larger fund, with USD 152.1bn in assets against USD 37.0bn for SSAC, about 4.1 times the size. IWDA reports 1,250 holdings and SSAC 1,655. 7 of the holdings published by IWDA (top 10) and SSAC (top 10) appear in both lists; measured on those published positions only, the overlap is at least 22.2%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC. In 2025, IWDA returned +21.2% and SSAC +22.4%, a gap of 1.2 percentage points. Over 10 years, IWDA returned +12.9% a year and SSAC +12.3% a year. IWDA and SSAC both reinvest their income (accumulating share classes). IWDA and SSAC both hold the index securities directly (physical replication). Both are domiciled in Ireland. IWDA and SSAC 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

FigureIWDASSAC
ISINIE00B4L5Y983IE00B6R52259
Exchange tickersIWDA, SWDA, EUNLSSAC, ISAC, IUSQ
Fund houseiSharesiShares
Total expense ratio (TER)0.20%0.20%
Ongoing charges (KID)0.20%0.20%
Fund sizeUSD 152.1bnUSD 37.0bn
Launch dateSeptember 25, 2009October 21, 2011
ReplicationPhysicalPhysical
DomicileIrelandIreland
Distribution policyAccumulatingAccumulating
Share class currencyUSDUSD
Number of holdings1,2501,655
Risk indicator (SRRI)4 / 74 / 7
SFDR classificationArticle 6Article 6
BenchmarkMSCI World Index (Net)MSCI All Country World Index (Net)

Performance

Calendar-year returns

YearIWDASSACDifference
2025+21.2%+22.4%−1.2
2024+18.7%+17.4%+1.3
2023+23.9%+22.3%+1.6
2022−18.0%−18.2%+0.2
2021+21.9%+18.7%+3.2
2020+15.9%+15.6%+0.3

Annualised returns

PeriodIWDASSACDifference
1 year+14.6%+16.2%−1.6
3 years+21.6%+21.9%−0.3
5 years+11.8%+11.5%+0.3
10 years+12.9%+12.3%+0.6
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

7 of the holdings published by IWDA (top 10) and SSAC (top 10) appear in both lists; measured on those published positions only, the overlap is at least 22.2%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC.

Top 10 holdings of IWDA

#HoldingWeight
1
NVIDIAIn both
5.86%
2
APPLEIn both
5.36%
3
MICROSOFTIn both
4.00%
4
AMAZON.COM INCIn both
2.65%
5
ALPHABET CLASS AIn both
2.19%
6
META PLATFORMS CLASS AIn both
1.76%
7
ALPHABET CLASS CIn both
1.73%
8
BROADCOM INCIn both
1.72%
9
MICRON TECHNOLOGY
1.37%
10
TESLA INC
1.12%

Top 10 holdings of SSAC

#HoldingWeight
1
NVIDIAIn both
5.17%
2
APPLEIn both
4.71%
3
MICROSOFTIn both
3.50%
4
AMAZON.COM INCIn both
2.32%
5
ALPHABET CLASS AIn both
1.92%
6
TAIWAN SEMICONDUCTOR MANUFACTURING
1.89%
7
META PLATFORMS CLASS AIn both
1.54%
8
ALPHABET CLASS CIn both
1.52%
9
BROADCOM INCIn both
1.50%
10
ISHARES MSCI INDIA UCITS ETF
1.25%
Compare every published holding of IWDA and SSAC in the overlap checker

Sectors and countries

Largest sectors of IWDA

  1. Information Technology32.0%
  2. Financials15.6%
  3. Industrials10.8%
  4. Health Care9.1%
  5. Consumer Discretionary8.3%
  6. Communication8.2%
+ 4 more

Largest sectors of SSAC

  1. Information Technology33.2%
  2. Financials17.6%
  3. Industrials10.1%
  4. Health Care8.1%
  5. Consumer Discretionary8.0%
  6. Communication7.8%
+ 4 more

Largest countries of IWDA

  1. United States73.0%
  2. Japan6.0%
  3. Other5.0%
  4. United Kingdom3.3%
  5. Canada3.3%
  6. France2.2%
+ 4 more

Largest countries of SSAC

  1. United States64.2%
  2. Other5.7%
  3. Japan5.3%
  4. Taiwan3.5%
  5. United Kingdom2.9%
  6. Canada2.9%
+ 4 more

Frequently asked questions

What is the difference between IWDA and SSAC?

IWDA (iShares Core MSCI World UCITS ETF, IE00B4L5Y983) tracks the MSCI World index and SSAC (iShares MSCI All Country World UCITS ETF, IE00B6R52259) the MSCI ACWI index. IWDA and SSAC have the same total expense ratio (TER), 0.20% a year. IWDA and SSAC both reinvest their income (accumulating share classes). IWDA and SSAC 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, IWDA or SSAC?

IWDA and SSAC have the same total expense ratio (TER), 0.20% a year. Their key information documents state ongoing charges of 0.20% for IWDA and 0.20% for SSAC.

Which is bigger, IWDA or SSAC?

IWDA is the larger fund, with USD 152.1bn in assets against USD 37.0bn for SSAC, about 4.1 times the size.

Do IWDA and SSAC hold the same companies?

7 of the holdings published by IWDA (top 10) and SSAC (top 10) appear in both lists; measured on those published positions only, the overlap is at least 22.2%. Shared holdings include NVIDIA, APPLE, MICROSOFT, ALPHABET CLASS A and AMAZON.COM INC.

How did IWDA and SSAC perform in 2025?

In 2025, IWDA returned +21.2% and SSAC +22.4%, a gap of 1.2 percentage points. Over 10 years, IWDA returned +12.9% a year and SSAC +12.3% a year. Over the past year, IWDA returned +14.6% and SSAC +16.2%. Past performance does not predict future returns.

Are IWDA and SSAC accumulating or distributing?

IWDA is accumulating: it reinvests its income in the fund. SSAC is accumulating: it reinvests its income in the fund.
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.