IOZ invests in the 200 largest companies in the S&P/ASX 200 index, weighted by size. It charges 0.05% a year, has $9.7b invested and returned +2.6% over the past year. The most similar ETF is AYLD, which overlaps with it by about 99%.
📅 As at 30 September 2026: fee, size and 1-year return from the TMX Australia funds report; holdings and overlap from IOZ’s published holdings as at 30 October 2026.
Is it a good time to buy IOZ?
Nobody can time the market perfectly, but you can check the trend before you buy. Here’s where IOZ stands right now.
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| Net flow, September | +$321m |
| Net flow, 2026 so far | +$1.7b |
| Average month in 2026 | +$193m |
Week to 23 October: top 10 for inflows on the ASX (+$61m).
Is the whole market risk on, caution or risk off this week? Members see it every Sunday, with the core ETF check-up.
🔒 See it free for 30 days →IOZ is in a base. Prices moving sideways can be a time to build a position gradually and watch which way the trend breaks. There’s no rush either way.
General information only, not a recommendation to buy or sell IOZ. Whether it suits you depends on your goals and the rest of your portfolio. Trend updated weekly; flows from the TMX Australia funds report (September 2026) and the Global X weekly market monitor. See every ETF’s trend in the ETF trend scanner, or read when to buy an ETF.
What is IOZ?
Index: S&P/ASX 200 Index · Distributions: Quarterly · Issuer: iShares (BlackRock) · Exchange: ASX
Top 10 holdings
The 10 largest companies make up 50% of IOZ.
| # | Company | Weight | |
|---|---|---|---|
| 1 | BHP Group LtdMaterials | 10.83% | |
| 2 | Commonwealth Bank of AustraliaFinancials | 10.33% | |
| 3 | National Australia Bank LtdFinancials | 4.79% | |
| 4 | Westpac Banking CorpFinancials | 4.66% | |
| 5 | ANZ Group Holdings LtdFinancials | 4.56% | |
| 6 | CSL LtdHealth Care | 3.56% | |
| 7 | Wesfarmers LtdConsumer Discretionary | 3.22% | |
| 8 | Macquarie Group LtdFinancials | 3.19% | |
| 9 | Woodside Energy Group LtdEnergy | 2.35% | |
| 10 | Goodman GroupReal Estate | 2.05% |
Sector breakdown
ETFs most similar to IOZ
How much each ETF’s holdings overlap with IOZ, by weight. High overlap means owning both mostly doubles up.
| ETF | Overlap | |
|---|---|---|
| AYLDGlobal X S&P/ASX 200 Covered Call Complex ETF | 99% | Compare in calculator → |
| STWSPDR S&P/ASX 200 ETF | 98% | Compare in calculator → |
| A300Global X Australia 300 ETF | 95% | Compare in calculator → |
| A200Betashares Australia 200 ETF | 95% | IOZ vs A200 → |
| VASVanguard Australian Shares Index ETF | 91% | IOZ vs VAS → |
| SFYSPDR S&P/ASX 50 ETF | 80% | Compare in calculator → |
Head to head: VAS vs IOZ · A200 vs IOZ · all comparisons
Check IOZ against your own ETFs →Core or satellite?
CORE Australian shares
IOZ is a core building block for Australian shares, paired with a global shares ETF. Read more in core and satellite investing.
Read more: VAS vs A200 · Franking credits and ETFs
IOZ FAQs
Is IOZ a good ETF?
IOZ is a low-cost, well-established ASX 200 ETF. Its holdings are almost the same as STW and A200, so fees and personal preference decide between them. On its own it only covers Australia, so most investors pair it with a global shares ETF. Whether it suits you depends on your goals and the rest of your portfolio.
What does IOZ invest in?
IOZ invests in the 200 largest companies in the S&P/ASX 200 index, weighted by size. Its largest holdings are BHP Group Ltd, Commonwealth Bank of Australia, National Australia Bank Ltd, and its biggest sector is financials at about 34%.
What ETFs are similar to IOZ?
The ETFs with the most overlap with IOZ are AYLD (about 99%) and STW (about 98%). Use the free ETF overlap calculator to check your own mix.
How often does IOZ pay distributions?
IOZ pays distributions quarterly.
Should I own IOZ and AYLD together?
Usually there is little point: their holdings overlap by about 99%, so owning both mostly doubles up.
Fee, size and returns: TMX Australia Funds Report to 30 September 2026; returns are total returns, 5-year figure is cumulative. Holdings from iShares (BlackRock) as at 30 October 2026. Chart: TradingView. General information only, not a recommendation to buy or sell IOZ. Consider the PDS and TMD before investing.