IUSG vs IWY: Differences, Returns & Fees
IUSG and IWY hold 72% of their weight in the same names, and IUSG returned +15.9% over the year. Net assets on Oct 20, 2026: $33.6bn for iShares Core S&P U.S. Growth ETF and $15.8bn for iShares Russell Top 200 Growth ETF.
IUSG costs 0.16 points a year less; their one-year returns differ by 11.2 points; IUSG is 2.1 times larger.
| IUSG | IWY | |
|---|---|---|
| Expense ratio | 0.04% | 0.20% |
| Net assets | $33.6bn | $15.8bn |
| Total return, 1 year | +15.9% | +4.7% |
| What it tracks | S&P 900 Growth Index | Russell Top 200 Growth Index |
| Holdings in common | 72% | |
| Top ten holdings, share of the fund | 57.4% | 60.9% |
| Below its high | 4.1%, high on Oct 6, 2026 | 5.2%, high on Oct 6, 2026 |
Holdings in common uses holdings dated Oct 19, 2026.
IUSG and IWY are built for the same job. How do they differ in cost, holdings and results?
- What each follows. IUSG follows S&P 900 Growth Index and IWY follows Russell Top 200 Growth Index.
- One-year total return. Over 1 year to Oct 20, 2026 IUSG returned +15.9% and IWY +4.7% with distributions reinvested, a gap of 11.2 points.
- Number of holdings. IUSG holds 402 positions and IWY holds 102.
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, IUSG and IWY hold 72% of their money in the same securities at the same weight. Holdings dated Oct 19, 2026.
half
72% in common
On the same fields
IUSG and IWY on the fields both publish, as of Oct 20, 2026. Source: ETFIQ.
About IUSG
IUSG tracks an index. Over the year to Oct 20, 2026 it returned +15.9% with distributions reinvested. The prospectus expense ratio is 0.04% a year. By its holdings published by its issuer for Oct 19, 2026, 95% of the fund by weight is stocks the S&P 500 also holds, across 402 positions, with the top ten at 57.4%. It sat 4.1% below its high of Oct 6, 2026 on Oct 20, 2026.
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.
Questions people ask
- Which returned more over the last year, IUSG or IWY?
- In the year to Oct 20, 2026, with distributions reinvested, IUSG returned +15.9% and IWY +4.7%.
- Which is cheaper, IUSG or IWY?
- IUSG is cheaper, by 0.16 percentage points a year. That is about $16 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, IUSG against IWY, data as of Oct 20, 2026. https://etfiq.com/compare/any/iusg-vs-iwy
ETFIQ. (Oct 20, 2026). IUSG against IWY. Retrieved from https://etfiq.com/compare/any/iusg-vs-iwy
[IUSG against IWY (ETFIQ, Oct 20, 2026)](https://etfiq.com/compare/any/iusg-vs-iwy)
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