Data as of Oct 28, 2026.
IWO vs VWO: Differences, Returns & Fees
Over the year to Oct 28, 2026, IWO returned +7.9% to VWO's +4.8%; 0% of their weight is in the same names.
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Net assets: $14.0bn on Oct 27, 2026 for iShares Russell 2000 Growth ETF, and $125.4bn on Sep 30, 2026 for Vanguard FTSE Emerging Markets ETF.
Pair scorecard
VWO costs 0.18 points a year less; their one-year returns differ by 3.1 points; VWO is 8.9 times larger.
| Measure | IWO | VWO |
|---|---|---|
| Return | ||
| Total return, 1 year | +7.9% | +4.8% |
| Drawdown | ||
| Below its high | 9.9%, high on Aug 14, 2026 | 7.0%, high on Sep 4, 2026 |
| Benchmark | ||
| What it tracks | Russell 2000 Growth Index | FTSE Emerging Markets All Cap China A Inclusion Index |
| Cost and size | ||
| Expense ratio | 0.24% | 0.06% |
| Net assets, as of Sep 30, 2026 | $14.1bn | $125.4bn |
| Holdings | ||
| Holdings in common | 0% | |
| Top ten holdings, share of the fund | 6.4% | 29.8% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
What they share
By the books each fund has filed, IWO and VWO hold 0% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
IWO and VWO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IWO
IWO tracks the Russell 2000 Growth. Over the year to Oct 28, 2026 it returned +7.9% with distributions reinvested, against +8.0% for its benchmark, the Russell 2000 Growth Index. The prospectus expense ratio is 0.24% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,122 positions, with the top ten at 6.4%. It sat 9.9% below its high of Aug 14, 2026 on Oct 28, 2026.
VWO
VWO tracks an index of Emerging markets. Over the year to Oct 28, 2026 it returned +4.8% with distributions reinvested. The prospectus expense ratio is 0.06% a year. By its holdings published by its issuer as of Sep 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 6,515 positions, with the top ten at 29.8%. It sat 7.0% below its high of Sep 4, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, IWO or VWO?
- In the year to Oct 28, 2026, with distributions reinvested, IWO returned +7.9% and VWO +4.8%.
- Which is cheaper, IWO or VWO?
- VWO is cheaper, by 0.18 percentage points a year. That is about $18 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, IWO against VWO, data as of Oct 28, 2026. https://etfiq.com/compare/any/iwo-vs-vwo
ETFIQ. (Oct 28, 2026). IWO against VWO. Retrieved from https://etfiq.com/compare/any/iwo-vs-vwo
[IWO against VWO (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/iwo-vs-vwo)
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