iShares MSCI World ETF (IWDA) Review 2026
Complete review of iShares Core MSCI World UCITS ETF. Performance, costs, alternatives, and how to buy from Poland.
9 min czytaniaiShares MSCI World ETF (IWDA) Review 2026
IWDA is arguably the most widely held ETF among European long-term investors. iShares Core MSCI World UCITS ETF from BlackRock manages over $95 billion and is the gold standard for anyone wanting developed-world equities in a single fund. Does it still deserve its reputation in 2026? Let's break it down.
Fund fact sheet
| Parameter | Value |
|---|---|
| Full name | iShares Core MSCI World UCITS ETF (Acc) |
| ISIN | IE00B4L5Y983 |
| Ticker | IWDA (LSE/Xetra), EUNL (EUR line) |
| Index | MSCI World |
| TER | 0.20% |
| AUM | ~$95 billion |
| Domicile | Ireland |
| Replication | Physical (optimised sampling) |
| Share class | Accumulating |
| Base currency | USD |
| Holdings | ~1,500 stocks |
| Inception | September 2009 |
What is MSCI World?
The MSCI World index covers ~1,500 large and mid-cap stocks across 23 developed markets — USA, Europe, Japan, Australia, Canada. It excludes emerging markets (China, India, Brazil, Poland). For a truly global portfolio including EM, pick VWCE or add EIMI alongside.
Regional split (Feb 2026):
- USA: ~71%
- Japan: ~6%
- UK: ~4%
- Canada: ~3%
- France: ~3%
- Germany: ~2%
- Other: ~11%
Top 10 holdings
| # | Company | Weight |
|---|---|---|
| 1 | Apple | ~4.9% |
| 2 | Microsoft | ~4.5% |
| 3 | Nvidia | ~4.3% |
| 4 | Amazon | ~2.4% |
| 5 | Meta | ~1.8% |
| 6 | Alphabet A | ~1.5% |
| 7 | Alphabet C | ~1.3% |
| 8 | Broadcom | ~1.2% |
| 9 | Tesla | ~1.0% |
| 10 | Berkshire Hathaway | ~0.9% |
Top 10 = ~23% of portfolio. Tech concentration is high, a direct result of cap weighting.
Sectors
- Technology: ~25%
- Financials: ~15%
- Healthcare: ~11%
- Industrials: ~11%
- Consumer Discretionary: ~11%
- Communications: ~8%
- Consumer Staples: ~6%
- Other: ~13%
Historical performance (USD)
| Period | Return |
|---|---|
| 1 year | +16.4% |
| 3 years (annualised) | +12.1% |
| 5 years (annualised) | +12.8% |
| 10 years (annualised) | +10.6% |
Tracking difference vs index: ~-0.10%/year (the fund actually beats the benchmark slightly thanks to tax-optimised swaps — better than TER implies).
IWDA vs competitors
| ETF | TER | AUM | Index | EM? |
|---|---|---|---|---|
| IWDA | 0.20% | $95B | MSCI World | ❌ |
| SWDA (iShares, Dist) | 0.20% | $25B | MSCI World | ❌ |
| VWCE (Vanguard) | 0.22% | €20B | FTSE All-World | ✅ |
| PRIW (Amundi) | 0.05% | €2.8B | Solactive GBS Dev | ❌ |
| SPYI (SPDR) | 0.17% | €2.5B | MSCI ACWI IMI | ✅ |
Core choice: IWDA (DM only) vs VWCE (+EM). IWDA has larger AUM and tighter spreads; VWCE gives complete global exposure.
Real costs for Polish investors
€10,000 purchase on XTB:
- Commission: 0 PLN (up to €100k/month)
- Spread: ~0.05% = 5 PLN
- FX PLN→USD/EUR: ~0.5% = 50 PLN
- Annual TER: 20 PLN
On Bossa:
- Commission: 0.29% min 19 PLN
- Similar spread + FX costs
Availability in Poland
| Broker | Available | IKE/IKZE |
|---|---|---|
| XTB | ✅ | ❌ (no IKE/IKZE) |
| Bossa | ✅ | ✅ |
| mBank Brokerage | ✅ | ✅ |
| DM BOŚ | ✅ | ✅ (IKE only) |
| DEGIRO | ✅ | ❌ |
IKE/IKZE — a great fit
IWDA is one of the most chosen ETFs for Polish IKE/IKZE thanks to:
- Accumulating structure (no dividend distributions → no interim tax friction)
- Broad diversification (1,500 stocks)
- Low TER
- Irish domicile (optimal 15% US withholding tax)
2026 limits:
- IKE: 26,019 PLN
- IKZE: 10,407.60 PLN (employees) / 15,611.40 PLN (self-employed)
Sample portfolio
Passive 3-ETF (recommended for most):
- 70% IWDA (developed markets)
- 15% EIMI (emerging markets)
- 15% AGGH (global bonds EUR-hedged)
Aggressive 100% equity:
- 85% IWDA
- 15% EIMI
Who is IWDA for?
✅ Yes if you:
- Want a single global core ETF
- Value safety and largest AUM
- Invest for 10+ years in IKE/IKZE
❌ No if you:
- Cost is everything → pick PRIW (0.05%)
- Want EM bundled in → VWCE
- Want dividends → SWDA
FAQ
IWDA vs VWCE — which is better? IWDA covers developed markets only (~88% of global market cap). VWCE adds emerging markets. Believe in EM → VWCE. Think US + Europe is enough → IWDA (optionally with EIMI separately).
IWDA vs SWDA? Same fund, two share classes: IWDA accumulates dividends, SWDA distributes them. Long-term compounding → IWDA. Passive income → SWDA.
How much IWDA should I hold? For most investors, 60-80% of your equity sleeve is a reasonable range. Add bonds (AGGH) according to age/risk tolerance.
Does IWDA pay dividends? No — it's accumulating. Dividends are reinvested inside the fund, deferring taxation and boosting compounding.
Is IWDA good for IKE? Yes — it's the most popular ETF in Polish IKE/IKZE accounts. Broad diversification, low cost, accumulating.
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