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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

EWJ vs MBB: how they differ

EWJ and MBB hold 0% of their weight in the same names, and EWJ returned more over the year.

iShares MSCI Japan ETF and iShares MBS ETF.

What they hold in common

By the books each fund has filed, EWJ and MBB 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 EWJOnly in MBB
Mitsubishi UFJ Financial Group, Inc. 4.08%Freddie Mac 1.07%
TOYOTA MOTOR CORPORATION 3.45%Government National Mortgage Association 0.97%
SoftBank Group Corp. 3.37%UMBS, TBA 0.85%
Tokyo Electron Limited 2.90%Government National Mortgage Association 0.69%
Hitachi, Ltd. 2.86%UMBS, TBA 0.66%
Sumitomo Mitsui Financial Group, Inc. 2.58%Government National Mortgage Association 0.56%
Sony Group Corporation 2.56%Government National Mortgage Association 0.55%
ADVANTEST CORPORATION 2.41%Government National Mortgage Association 0.54%

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 May 31, 2026.

EWJ and MBB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
EWJ
iShares MSCI Japan ETF
MBB
iShares MBS ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it isMSCI JapanMbs
Total return, 1 year+26.5%−0.1%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500+9.0 pts−17.6 pts
Expense ratio0.49%0.04%
Holdings17911144

EWJ in plain words

EWJ is an index equity fund tracking the MSCI Japan. Over the year to Sep 11, 2026 it returned +26.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.49% 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 179 positions, with the top ten at 28.4%.

MBB in plain words

MBB is a bond fund tracking the Mbs. Over the year to Sep 11, 2026 it returned −0.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% a year. It sat 3.3% below its high of Feb 27, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, EWJ or MBB?
In the year to Sep 12, 2026, with distributions reinvested, EWJ returned +26.5% and MBB returned −0.1%, so EWJ returned more. One year is one year; the longer windows are in the table.
Which is cheaper, EWJ or MBB?
EWJ charges 0.49% a year and MBB charges 0.04%, so MBB is cheaper. Fees come from each fund's prospectus.

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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.

EWJ against MBB, 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, EWJ against MBB, data as of Sep 12, 2026. https://etfiq.com/compare/any/EWJ-MBB Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources