Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
ACWX vs IWB: how they differ
ACWX and IWB hold 1% of their weight in the same names, and ACWX returned more over the year.
iShares MSCI ACWI ex U.S. ETF and iShares Russell 1000 ETF.
What they hold in common
By the books each fund has filed, ACWX and IWB hold 1% of their money in the same securities at the same weight.
| Holding | ACWX | IWB |
|---|---|---|
| SPOTIFY TECHNOLOGY | 0.20% | 0.12% |
| BLK CSH FND TREASURY SL AGENCY | 0.11% | 0.08% |
| NU HOLDINGS CLASS A | 0.14% | 0.07% |
| ARISTOCRAT LEISURE | 0.06% | 0.09% |
| PRUDENTIAL PLC | 0.09% | 0.06% |
| ROCHE PS PAR AG | 0.79% | 0.06% |
| HELVETIA BALOISE HOLDING N AG | 0.05% | 0.05% |
| MERCK | 0.05% | 0.51% |
| DEUTSCHE TELEKOM N AG | 0.29% | 0.04% |
| EQT | 0.04% | 0.05% |
| PEMBINA PIPELINE | 0.07% | 0.04% |
| RESTAURANTS BRANDS INTERNATIONAL | 0.06% | 0.04% |
| Only in ACWX | Only in IWB |
|---|---|
| TAIWAN SEMICONDUCTOR MANUFACTURING 5.09% | NVIDIA 7.26% |
| SAMSUNG ELECTRONICS LTD 2.50% | APPLE 6.73% |
| SK HYNIX 2.04% | MICROSOFT 5.21% |
| ASML HOLDING 1.77% | AMAZON.COM INC 3.49% |
| HSBC HOLDINGS PLC 0.94% | ALPHABET CLASS A 2.77% |
| TENCENT HOLDINGS 0.88% | BROADCOM INC 2.40% |
| ROYAL BANK OF CANADA 0.76% | ALPHABET CLASS C 2.24% |
| SHELL PLC 0.70% | META PLATFORMS CLASS A 2.02% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 10, 2026.
| ACWX iShares MSCI ACWI ex U.S. ETF | IWB iShares Russell 1000 ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | MSCI ACWI ex U.S. | Russell 1000 |
| Total return, 1 year | +23.0% | +16.7% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +5.5 pts | −0.8 pts |
| Expense ratio | 0.32% | 0.15% |
| Already in the S&P 500 | 0.0% | 91.9% |
| Holdings | 1515 | 945 |
ACWX in plain words
ACWX is an index equity fund tracking the MSCI ACWI ex U.S.. Over the year to Sep 11, 2026 it returned +23.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.32% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1515 positions, with the top ten at 16.1%.
IWB in plain words
IWB is an index equity fund tracking the Russell 1000. Over the year to Sep 11, 2026 it returned +16.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. By its holdings filed for Sep 10, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 945 positions, with the top ten at 35.2%.
Questions people ask
- Which returned more over the last year, ACWX or IWB?
- In the year to Sep 13, 2026, with distributions reinvested, ACWX returned +23.0% and IWB returned +16.7%, so ACWX returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, ACWX or IWB?
- ACWX charges 0.32% a year and IWB charges 0.15%, so IWB is cheaper. Fees come from each fund's prospectus.
- How much do ACWX and IWB overlap with the S&P 500?
- By their latest filed holdings, 0% of ACWX and 92% of IWB by weight is stocks the S&P 500 already holds. Between the two funds, 1% of their books are the same securities at the same weight.
Other comparisons
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, ACWX against IWB, data as of Sep 13, 2026. https://etfiq.com/compare/any/acwx-vs-iwb Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources