Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
EWT vs IDEV: how they differ
EWT and IDEV hold 0% of their weight in the same names, and EWT returned more over the year.
iShares MSCI Taiwan ETF and iShares Core MSCI International Developed Markets ETF.
What they hold in common
By the books each fund has filed, EWT and IDEV hold 0% of their money in the same securities at the same weight.
| Holding | EWT | IDEV |
|---|---|---|
| USD CASH | 0.13% | 0.13% |
| BLK CSH FND TREASURY SL AGENCY | 0.07% | 0.01% |
| Only in EWT | Only in IDEV |
|---|---|
| TAIWAN SEMICONDUCTOR MANUFACTURING 22.07% | ASML HOLDING 2.29% |
| MEDIATEK 7.03% | HSBC HOLDINGS PLC 1.22% |
| DELTA ELECTRONICS 3.53% | ROCHE PS PAR AG 1.02% |
| HON HAI PRECISION INDUSTRY 3.28% | ROYAL BANK OF CANADA 0.98% |
| ASE TECHNOLOGY HOLDING 2.79% | SHELL PLC 0.91% |
| UNITED MICRO ELECTRONICS CORP 2.09% | MITSUBISHI UFJ FINANCIAL GROUP 0.88% |
| ELITE MATERIAL 2.08% | NOVARTIS AG 0.87% |
| NAN YA PLASTICS CORP 2.04% | NESTLE SA 0.85% |
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.
| EWT iShares MSCI Taiwan ETF | IDEV iShares Core MSCI International Developed Markets ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | MSCI Taiwan | Core MSCI International Developed Markets |
| Total return, 1 year | +84.9% | +18.7% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +67.4 pts | +1.2 pts |
| Expense ratio | 0.59% | 0.04% |
| Already in the S&P 500 | 0.0% | 0.1% |
| Holdings | 78 | 1782 |
EWT in plain words
EWT is an index equity fund tracking the MSCI Taiwan. Over the year to Sep 11, 2026 it returned +84.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.59% 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 78 positions, with the top ten at 48.6%.
IDEV in plain words
IDEV is an index equity fund tracking the Core MSCI International Developed Markets. Over the year to Sep 11, 2026 it returned +18.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% 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 1782 positions, with the top ten at 10.6%.
Questions people ask
- Which returned more over the last year, EWT or IDEV?
- In the year to Sep 13, 2026, with distributions reinvested, EWT returned +84.9% and IDEV returned +18.7%, so EWT returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, EWT or IDEV?
- EWT charges 0.59% a year and IDEV charges 0.04%, so IDEV is cheaper. Fees come from each fund's prospectus.
- How much do EWT and IDEV overlap with the S&P 500?
- By their latest filed holdings, 0% of EWT and 0% of IDEV 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, EWT against IDEV, data as of Sep 13, 2026. https://etfiq.com/compare/any/ewt-vs-idev Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources