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Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

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.

Largest positions each one holds and the other does not
Only in EWTOnly in IDEV
Taiwan Semiconductor Manufacturing Compa 19.35%ASML Holding N.V. 1.95%
MediaTek Inc. 7.56%HSBC HOLDINGS PLC 1.09%
DELTA ELECTRONICS, INC. 5.64%ASTRAZENECA PLC 1.02%
HON HAI PRECISION INDUSTRY CO., LTD. 4.09%Novartis AG 0.97%
ASE Technology Holding Co., Ltd. 2.86%SHELL PLC 0.90%
ELITE MATERIAL CO., LTD. 2.75%Nestle S.A. 0.90%
UNIMICRON TECHNOLOGY CORP. 2.73%ROYAL BANK OF CANADA 0.87%
United Microelectronics Corporation 2.25%Siemens Aktiengesellschaft 0.78%

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 Apr 30, 2026 and May 31, 2026.

EWT and IDEV on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
EWT
iShares MSCI Taiwan ETF
IDEV
iShares Core MSCI International Developed Markets ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it isMSCI TaiwanCore 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 ratio0.59%0.04%
Already in the S&P 5000.0%0.1%
Holdings852268

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 May 31, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 85 positions, with the top ten at 51.6%.

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 Apr 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 2268 positions, with the top ten at 10.2%.

Questions people ask

Which returned more over the last year, EWT or IDEV?
In the year to Sep 12, 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.

EWT against IDEV, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, EWT against IDEV, data as of Sep 12, 2026. https://etfiq.com/compare/any/EWT-IDEV Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources