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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

IYE vs MUB: how they differ

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

iShares U.S. Energy ETF and iShares National Muni Bond ETF.

What they hold in common

By the books each fund has filed, IYE 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 IYEOnly in MUB
EXXONMOBIL HOLDINGS CORP 22.32%HOUSTON TEX HIGHER ED FIN CORP 0.13%
CHEVRON 16.00%DISTRICT COLUMBIA UNIV REV 0.10%
CONOCOPHILLIPS 6.77%ECTOR CNTY TEX 0.08%
MARATHON PETROLEUM 4.68%NEW ORLEANS LA 0.08%
VALERO ENERGY CORP 4.62%PORT TACOMA WASH REV 0.08%
PHILLIPS 66 4.20%CONTRA COSTA CALIF CMNTY COLLE 0.06%
WILLIAMS 3.60%LOS ANGELES CALIF 0.06%
SLB 3.39%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.

IYE and MUB on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
IYE
iShares U.S. Energy ETF
MUB
iShares National Muni Bond ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it isU.S. EnergyNational Muni Bond
Total return, 1 year+48.8%+0.1%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500+31.3 pts−17.4 pts
Expense ratio0.37%0.05%
Holdings435215

IYE in plain words

IYE is an index equity fund tracking the U.S. Energy. Over the year to Sep 11, 2026 it returned +48.8% 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, 89% of the fund by weight is stocks the S&P 500 also holds, across 43 positions, with the top ten at 71.3%.

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, IYE or MUB?
In the year to Sep 13, 2026, with distributions reinvested, IYE returned +48.8% and MUB returned +0.1%, so IYE returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IYE or MUB?
IYE charges 0.37% a year and MUB charges 0.05%, so MUB 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.

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

A comparison is not a recommendation. Standards and sources