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Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

IDEV vs MUB: how they differ

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

iShares Core MSCI International Developed Markets ETF and iShares National Muni Bond ETF.

What they hold in common

By the books each fund has filed, IDEV and MUB 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 IDEVOnly in MUB
ASML HOLDING 2.29%HOUSTON TEX HIGHER ED FIN CORP 0.13%
HSBC HOLDINGS PLC 1.22%DISTRICT COLUMBIA UNIV REV 0.10%
ROCHE PS PAR AG 1.02%ECTOR CNTY TEX 0.08%
ROYAL BANK OF CANADA 0.98%NEW ORLEANS LA 0.08%
SHELL PLC 0.91%PORT TACOMA WASH REV 0.08%
MITSUBISHI UFJ FINANCIAL GROUP 0.88%CONTRA COSTA CALIF CMNTY COLLE 0.06%
NOVARTIS AG 0.87%LOS ANGELES CALIF 0.06%
NESTLE SA 0.85%LOS ANGELES CNTY CALIF 0.06%

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.

IDEV and MUB on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
IDEV
iShares Core MSCI International Developed Markets ETF
MUB
iShares National Muni Bond ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it isCore MSCI International Developed MarketsNational Muni Bond
Total return, 1 year+18.7%+0.1%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500+1.2 pts−17.4 pts
Expense ratio0.04%0.05%
Holdings17825215

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%.

MUB in plain words

MUB is a bond fund tracking the National Muni Bond. 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 0.05% a year. It sat 3.6% below its high of Jul 6, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IDEV or MUB?
In the year to Sep 13, 2026, with distributions reinvested, IDEV returned +18.7% and MUB returned +0.1%, so IDEV returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IDEV or MUB?
IDEV charges 0.04% a year and MUB charges 0.05%, so IDEV 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.

IDEV against MUB, ETFIQ, data as of Sep 13, 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, IDEV against MUB, data as of Sep 13, 2026. https://etfiq.com/compare/any/idev-vs-mub Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources