CGUS vs IWB: Differences, Returns & Fees
CGUS and IWB hold 41% of their weight in the same names, and IWB returned +16.6% over the year. Net assets: $12.2bn on Oct 8, 2026 for Capital Group Core Equity ETF, and $49.6bn on Oct 9, 2026 for iShares Russell 1000 ETF.
IWB costs 0.18 points a year less; their one-year returns differ by 1.7 points; IWB is 4.0 times larger.
| CGUS | IWB | |
|---|---|---|
| Expense ratio | 0.33% | 0.15% |
| Net assets, as of Oct 8, 2026 | $12.2bn | $49.4bn |
| Total return, 1 year | +14.9% | +16.6% |
| What it tracks | No index, actively managed | Russell 1000 Index |
| Holdings in common | 41% | |
| Top ten holdings, share of the fund | 43.1% | 36.1% |
Holdings in common uses holdings dated May 31, 2026 and Oct 9, 2026.
What they hold in common
By the books each fund has filed, CGUS and IWB hold 41% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated May 31, 2026 and Oct 9, 2026.
half
41% in common
On the same fields
CGUS and IWB on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.
About CGUS
CGUS is actively managed and tracks no index. Over the year to Oct 9, 2026 it returned +14.9% with distributions reinvested, against +17.3% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.33% a year. By its holdings filed for May 31, 2026, 86% of the fund by weight is stocks the S&P 500 also holds, across 66 positions, with the top ten at 43.1%.
About IWB
IWB tracks the Russell 1000. Over the year to Oct 9, 2026 it returned +16.6% with distributions reinvested, against +16.8% for its benchmark, the Russell 1000 Index. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 9, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1,025 positions, with the top ten at 36.1%.
Questions people ask
- Which returned more over the last year, CGUS or IWB?
- In the year to Oct 9, 2026, with distributions reinvested, CGUS returned +14.9% and IWB +16.6%.
- Which is cheaper, CGUS or IWB?
- IWB 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.
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, CGUS against IWB, data as of Oct 9, 2026. https://etfiq.com/compare/any/cgus-vs-iwb
ETFIQ. (Oct 9, 2026). CGUS against IWB. Retrieved from https://etfiq.com/compare/any/cgus-vs-iwb
[CGUS against IWB (ETFIQ, Oct 9, 2026)](https://etfiq.com/compare/any/cgus-vs-iwb)
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