IWDA vs ISAC
The two products in full comparison: facts, key differences and what to look out for.
Key differences
- Both cost the same per year: 0.20%.
- They track different indices: MSCI World (IWDA) versus MSCI ACWI (ISAC).
- IWDA is significantly larger: ~€126bn versus ~€30bn.
Facts compared
| IWDA | ISAC | |
|---|---|---|
| Full name | iShares Core MSCI World UCITS ETF USD (Acc) | iShares MSCI ACWI UCITS ETF USD (Acc) |
| Ticker | IWDA · EUNL · SWDA | ISAC · IUSQ |
| Index | MSCI World | MSCI ACWI |
| TER (annual cost) | 0.20% | 0.20% |
| Fund size (approx.) | ~€126bn | ~€30bn |
| Replication | Physical (sampling) | Physical (sampling) |
| Distributions | Accumulating | Accumulating |
| Domicile | Ireland | Ireland |
| Base currency | USD | USD |
| Launch year | 2009 | 2011 |
| ISIN | IE00B4L5Y983 | IE00B6R52259 |
What to look out for
Two iShares core holdings with one substantive difference: IWDA covers developed markets only, while ISAC (MSCI ACWI) adds emerging markets, roughly 10% of its portfolio. Cost is identical (0.20%).
IWDA is about four times larger with even greater liquidity. The decision is simple: do you want emerging markets inside one product (ISAC) or would you rather add them separately or not at all (IWDA)?
IWDA
iShares Core MSCI World UCITS ETF USD (Acc)
See profile →
ISAC
iShares MSCI ACWI UCITS ETF USD (Acc)
See profile →
Data as of 2026-08. Refreshed periodically. This content is for information only and is not investment advice or a recommendation. Verify the official documents (KID/prospectus) with the provider before any decision.