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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

MUB vs VB: how they differ

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

iShares National Muni Bond ETF and Vanguard Small-Cap Index Fund.

What they hold in common

By the books each fund has filed, MUB and VB 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 VB
Board of Regents of the University of Te 0.20%Credo Technology Group Holding Ltd 0.55%
New York State Thruway Authority 0.16%Jabil Inc 0.49%
New York State Dormitory Authority 0.14%REVOLUTION Medicines Inc 0.46%
Houston Higher Education Finance Corp. 0.13%Astera Labs Inc 0.45%
Northwest Independent School District 0.13%Natera Inc 0.45%
Ohio State University (The) 0.13%EMCOR Group Inc 0.45%
State of New Jersey 0.13%Twilio Inc 0.38%
State of California 0.13%NRG Energy Inc 0.38%

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 Jun 30, 2026 and May 31, 2026.

MUB and VB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
MUB
iShares National Muni Bond ETF
VB
Vanguard Small-Cap Index Fund
Where it sitsCore index fundCore index fund
IssueriSharesVanguard
What it isNational Muni BondSmall-Cap
Total return, 1 year+0.1%+15.2%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−17.4 pts−2.3 pts
Expense ratio0.05%0.03%
Holdings66031311

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.

VB in plain words

VB is an index equity fund tracking the Small-Cap. Over the year to Sep 11, 2026 it returned +15.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 22% of the fund by weight is stocks the S&P 500 also holds, across 1311 positions, with the top ten at 4.3%. It sat 5.1% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MUB or VB?
In the year to Sep 12, 2026, with distributions reinvested, MUB returned +0.1% and VB returned +15.2%, so VB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MUB or VB?
MUB charges 0.05% a year and VB charges 0.03%, so VB 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 VB, 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, MUB against VB, data as of Sep 12, 2026. https://etfiq.com/compare/any/MUB-VB Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources