IOO vs F100: Which ETF Is Better?
A side-by-side comparison of fees, size, returns and holdings, using data to 30 September 2026.
IOO comes out ahead on 10 of 10 measures. Which matters most depends on you.
The short answer
Worth about $3,353 on $100,000 over 20 years.
Bigger funds usually trade more cheaply and are less likely to close.
A tighter gap between the buy and sell price.
IOO vs F100 side by side
| IOO leads on 10, F100 on 0 | IOOiShares Global 100 ETF | F100Betashares FTSE 100 ETF |
|---|---|---|
| The basics | ||
| Index tracked | S&P Global 100 Index | See the PDS |
| Fund manager | iShares | Betashares |
| Asset class | International shares | International shares |
| Listed | Oct 2007 | Jul 2019 |
| Cost and size | ||
| MERyearly fee, lower is better | 0.40%✓ | 0.45% |
| AUMfund size | $6.1bn✓ | $429m |
| Net flows (Sep)new money in, last month | $11m✓ | $0.0m |
| Bid/ask spreadtrading cost, lower is better | 0.03%✓ | 0.13% |
| Total returns | ||
| 1 month | +2.6%✓ | −0.7% |
| 1 year | +15.6%✓ | +10.3% |
| 3 years p.a. | +22.9%✓ | +14.6% |
| 5 years p.a. | +16.4%✓ | +11.2% |
| $10,000 invested | ||
| 1 year ago | $11,555✓ | $11,031 |
| 5 years ago | $21,345✓ | $16,996 |
✓ marks the better figure on each measure. Returns include distributions, to 30 September 2026.
IOO vs F100 price chart
Both ETFs on one chart as % change. Use the 1D to All buttons to change the period. Price only, so it leaves out distributions · TradingView
What $10,000 invested is worth now
$10,000 put into IOO 5 years ago is worth $21,345 today, against $16,996 in F100. That is $4,349 more in IOO.
Total returns to 30 September 2026, with distributions reinvested, before tax and brokerage. The price chart above leaves out distributions, so it can look worse. Past performance is not a reliable indicator of future performance.
What the fees cost you
IOO's lower fee leaves about $3,353 more in your pocket over 20 years.
Total fees paid on a $100,000 investment, assuming a 7% a year return before fees. Illustration only: it ignores tax, brokerage and differences in returns.
IOO and F100 overlap
7 companies appear in both funds. Overlap is the share of the portfolio that is the same in both, counting the smaller weight of each shared company.
| Biggest shared holdings | % of IOO | % of F100 |
|---|---|---|
| 0.72% | 8.57% | |
| 0.71% | 8.19% | |
| 0.35% | 3.96% | |
| 0.32% | 3.85% | |
| 0.20% | 2.46% | |
| 0.19% | 2.19% | |
| 0.13% | 1.53% |
Add more ETFs and see the overlap in Compare ETFs →
Best-endeavours estimate. Built from each issuer's published holdings, which may be weeks or months old, may cover only part of a fund (some publish only their top 10) and are matched by company name. Figures may be incomplete or inaccurate. Check the issuer's website and PDS before relying on them. General information only.
Get the full IOO vs F100 report
- Every holding of each ETF: the top 50 companies, with sectors and countries
- Exactly which companies they share, and how much of each
- Fees in dollars over 10, 20 and 30 years
- Every metric side by side, including the index each tracks
- ★ FREE BONUSIs now a good time to invest? The Market Health-O-Meter
FAQs
Which is better, IOO or F100?
It depends on what you need. On our numbers IOO wins on 10 measures and F100 on 0. IOO is cheaper, with a management fee of 0.40% vs 0.45%. On $100,000 over 20 years that difference is worth about $3,353. IOO is the larger fund at $6.1bn vs $429m. IOO has the better 1-year return: +15.6% vs +10.3%.
Which is cheaper, IOO or F100?
IOO charges 0.40% a year and F100 charges 0.45% a year.
Can I hold both IOO and F100?
You can, but check how much they overlap. IOO is a international shares fund and F100 is a international shares fund.
More comparisons
General information only, not a recommendation. Past performance is not a reliable indicator of future performance.