Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
ACWX vs IYW: how they differ
ACWX and IYW hold 0% of their weight in the same names, and IYW returned more over the year.
iShares MSCI ACWI ex U.S. ETF and iShares U.S. Technology ETF.
What they hold in common
By the books each fund has filed, ACWX and IYW hold 0% of their money in the same securities at the same weight.
| Holding | ACWX | IYW |
|---|---|---|
| ROCHE PS PAR AG | 0.79% | 0.20% |
| BLK CSH FND TREASURY SL AGENCY | 0.11% | 0.03% |
| Only in ACWX | Only in IYW |
|---|---|
| TAIWAN SEMICONDUCTOR MANUFACTURING 5.09% | NVIDIA 14.10% |
| SAMSUNG ELECTRONICS LTD 2.50% | APPLE 13.20% |
| SK HYNIX 2.04% | MICROSOFT 10.75% |
| ASML HOLDING 1.77% | ALPHABET CLASS A 5.48% |
| HSBC HOLDINGS PLC 0.94% | ALPHABET CLASS C 4.44% |
| TENCENT HOLDINGS 0.88% | META PLATFORMS CLASS A 4.17% |
| ROYAL BANK OF CANADA 0.76% | BROADCOM INC 4.07% |
| SHELL PLC 0.70% | MICRON TECHNOLOGY 3.35% |
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 | IYW iShares U.S. Technology ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | MSCI ACWI ex U.S. | U.S. Technology |
| Total return, 1 year | +23.0% | +34.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +5.5 pts | +17.4 pts |
| Expense ratio | 0.32% | 0.37% |
| Already in the S&P 500 | 0.0% | 95.5% |
| Holdings | 1515 | 151 |
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%.
IYW in plain words
IYW is an index equity fund tracking the U.S. Technology. Over the year to Sep 11, 2026 it returned +34.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.37% a year. By its holdings filed for Sep 10, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 151 positions, with the top ten at 64.9%.
Questions people ask
- Which returned more over the last year, ACWX or IYW?
- In the year to Sep 13, 2026, with distributions reinvested, ACWX returned +23.0% and IYW returned +34.9%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, ACWX or IYW?
- ACWX charges 0.32% a year and IYW charges 0.37%, so ACWX is cheaper. Fees come from each fund's prospectus.
- How much do ACWX and IYW overlap with the S&P 500?
- By their latest filed holdings, 0% of ACWX and 96% of IYW by weight is stocks the S&P 500 already holds. Between the two funds, 0% of their books are the same securities at the same weight.
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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 IYW, data as of Sep 13, 2026. https://etfiq.com/compare/any/acwx-vs-iyw Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources