IWY vs VOOG: Differences, Returns & Fees
IWY and VOOG hold 76% of their weight in the same names, and VOOG returned +15.8% over the year. Net assets: $15.8bn on Oct 20, 2026 for iShares Russell Top 200 Growth ETF, and $27.8bn on Sep 30, 2026 for Vanguard S&P 500 Growth ETF.
VOOG costs 0.15 points a year less; their one-year returns differ by 11.1 points; VOOG is 1.7 times larger.
| IWY | VOOG | |
|---|---|---|
| Expense ratio | 0.20% | 0.05% |
| Net assets, as of Sep 30, 2026 | $16.4bn | $27.8bn |
| Total return, 1 year | +4.7% | +15.8% |
| What it tracks | Russell Top 200 Growth Index | S&P 500 Growth Index |
| Holdings in common | 76% | |
| Top ten holdings, share of the fund | 60.9% | 60.2% |
| Below its high | 5.2%, high on Oct 6, 2026 | 4.2%, high on Oct 6, 2026 |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 19, 2026.
IWY and VOOG are built for the same job. How do they differ in cost, holdings and results?
- What each follows. IWY follows Russell Top 200 Growth Index and VOOG follows S&P 500 Growth Index.
- One-year total return. Over 1 year to Oct 20, 2026 IWY returned +4.7% and VOOG +15.8% with distributions reinvested, a gap of 11.1 points.
- Cost. IWY charges 0.20% of assets a year and VOOG 0.05%, a gap of 0.15 points.
Data as of Oct 20, 2026. The differences are picked by a fixed rule, in a fixed order; the PDF prints it. Page 2 has the returns, overlap, risks and sources.
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What they hold in common
By the books each fund has filed, IWY and VOOG hold 76% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 19, 2026.
half
76% in common
On the same fields
IWY and VOOG on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About IWY
IWY tracks an index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 19, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 102 positions, with the top ten at 60.9%. It sat 5.2% below its high of Oct 6, 2026 on Oct 20, 2026.
Over the year to Oct 20, 2026 it returned +4.7% with distributions reinvested, against +15.0% for its benchmark, the Russell 3000 Index.
About VOOG
VOOG tracks the S&P 500 Growth. Over the year to Oct 20, 2026 it returned +15.8% with distributions reinvested, against +15.7% for its benchmark, the S&P 500 Growth Index. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Sep 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 154 positions, with the top ten at 60.2%. It sat 4.2% below its high of Oct 6, 2026 on Oct 20, 2026.
Questions people ask
- Which returned more over the last year, IWY or VOOG?
- In the year to Oct 20, 2026, with distributions reinvested, IWY returned +4.7% and VOOG +15.8%.
- Which is cheaper, IWY or VOOG?
- VOOG is cheaper, by 0.15 percentage points a year. That is about $15 on $10,000 held for a year. Fees come from each fund's prospectus.
ETFIQ links to the documents behind every figure; a link is not an endorsement. 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, IWY against VOOG, data as of Oct 20, 2026. https://etfiq.com/compare/any/iwy-vs-voog
ETFIQ. (Oct 20, 2026). IWY against VOOG. Retrieved from https://etfiq.com/compare/any/iwy-vs-voog
[IWY against VOOG (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/iwy-vs-voog)
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