Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
ACWI vs IYW: how they differ
ACWI and IYW hold 28% of their weight in the same names, and IYW returned more over the year.
iShares MSCI ACWI ETF and iShares U.S. Technology ETF.
What they hold in common
By the books each fund has filed, ACWI and IYW hold 28% of their money in the same securities at the same weight.
| Holding | ACWI | IYW |
|---|---|---|
| NVIDIA | 4.89% | 14.10% |
| APPLE | 4.67% | 13.20% |
| MICROSOFT | 3.38% | 10.75% |
| ALPHABET CLASS A | 1.90% | 5.48% |
| BROADCOM INC | 1.59% | 4.07% |
| ALPHABET CLASS C | 1.50% | 4.44% |
| META PLATFORMS CLASS A | 1.38% | 4.17% |
| MICRON TECHNOLOGY | 1.08% | 3.35% |
| ADVANCED MICRO DEVICES | 0.80% | 3.08% |
| INTEL CORPORATION | 0.43% | 2.27% |
| LAM RESEARCH | 0.36% | 1.85% |
| APPLIED MATERIAL INC | 0.35% | 1.78% |
| Only in ACWI | Only in IYW |
|---|---|
| AMAZON.COM INC 2.38% | TD SYNNEX 0.10% |
| TAIWAN SEMICONDUCTOR MANUFACTURING 1.86% | MACOM TECHNOLOGY SOLUTIONS 0.09% |
| TESLA INC 1.02% | AKAMAI TECHNOLOGIES INC 0.08% |
| JPMORGAN CHASE & CO 0.92% | DYNATRACE INC 0.08% |
| SAMSUNG ELECTRONICS LTD 0.91% | LATTICE SEMICONDUCTOR 0.08% |
| ELI LILLY 0.88% | NUTANIX CLASS A 0.08% |
| SK HYNIX 0.74% | UNITY SOFTWARE 0.08% |
| BERKSHIRE HATHAWAY INC CLASS B 0.69% | BITMINE IMMERSION TECHNOLOGIES 0.07% |
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.
| ACWI iShares MSCI ACWI ETF | IYW iShares U.S. Technology ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | MSCI ACWI | U.S. Technology |
| Total return, 1 year | +19.1% | +34.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +1.6 pts | +17.4 pts |
| Expense ratio | 0.32% | 0.37% |
| Already in the S&P 500 | 61.4% | 95.5% |
| Holdings | 1630 | 151 |
ACWI in plain words
ACWI is an index equity fund tracking the MSCI ACWI. Over the year to Sep 11, 2026 it returned +19.1% 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, 61% of the fund by weight is stocks the S&P 500 also holds, across 1630 positions, with the top ten at 24.6%.
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, ACWI or IYW?
- In the year to Sep 13, 2026, with distributions reinvested, ACWI returned +19.1% and IYW returned +34.9%, so IYW returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, ACWI or IYW?
- ACWI charges 0.32% a year and IYW charges 0.37%, so ACWI is cheaper. Fees come from each fund's prospectus.
- How much do ACWI and IYW overlap with the S&P 500?
- By their latest filed holdings, 61% of ACWI and 96% of IYW by weight is stocks the S&P 500 already holds. Between the two funds, 28% 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, ACWI against IYW, data as of Sep 13, 2026. https://etfiq.com/compare/any/acwi-vs-iyw Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources