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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

MUB vs SHY: how they differ

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

iShares National Muni Bond ETF and iShares 1-3 Year Treasury Bond ETF.

What they hold in common

By the books each fund has filed, MUB and SHY 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 MUBOnly in SHY
HOUSTON TEX HIGHER ED FIN CORP 0.13%USD CASH 0.88%
DISTRICT COLUMBIA UNIV REV 0.10%TREASURY NOTE (2OLD) 0.80%
ECTOR CNTY TEX 0.08%TREASURY NOTE (OLD) 0.76%
NEW ORLEANS LA 0.08%TREASURY NOTE (OTR) 0.58%
PORT TACOMA WASH REV 0.08%BLK CSH FND TREASURY SL AGENCY 0.26%
CONTRA COSTA CALIF CMNTY COLLE 0.06%TREASURY NOTE 0.06%
LOS ANGELES CALIF 0.06%
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.

MUB and SHY on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
MUB
iShares National Muni Bond ETF
SHY
iShares 1-3 Year Treasury Bond ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it isNational Muni Bond1-3 Year Treasury Bond
Total return, 1 year+0.1%+1.7%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−17.4 pts−15.8 pts
Expense ratio0.05%0.15%
Holdings521593

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.

SHY in plain words

SHY is a bond fund tracking the 1-3 Year Treasury Bond. Over the year to Sep 11, 2026 it returned +1.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year.

Questions people ask

Which returned more over the last year, MUB or SHY?
In the year to Sep 13, 2026, with distributions reinvested, MUB returned +0.1% and SHY returned +1.7%, so SHY returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MUB or SHY?
MUB charges 0.05% a year and SHY charges 0.15%, 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.

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

A comparison is not a recommendation. Standards and sources