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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 VXF: how they differ

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

iShares National Muni Bond ETF and Vanguard Extended Market Index Fund.

What they hold in common

By the books each fund has filed, MUB and VXF 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 VXF
Board of Regents of the University of Te 0.20%Space Exploration Technologies Corp 1.19%
New York State Thruway Authority 0.16%Snowflake Inc 1.03%
New York State Dormitory Authority 0.14%Bloom Energy Corp 0.93%
Houston Higher Education Finance Corp. 0.13%Cloudflare Inc 0.92%
Northwest Independent School District 0.13%Astera Labs Inc 0.76%
Ohio State University (The) 0.13%Rocket Lab Corp 0.61%
State of New Jersey 0.13%Cheniere Energy Inc 0.59%
State of California 0.13%Ferguson Enterprises Inc 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 Jun 30, 2026 and May 31, 2026.

MUB and VXF on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
MUB
iShares National Muni Bond ETF
VXF
Vanguard Extended Market Index Fund
Where it sitsCore index fundCore index fund
IssueriSharesVanguard
What it isNational Muni BondExtended Market
Total return, 1 year+0.1%+14.1%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−17.4 pts−3.4 pts
Expense ratio0.05%0.05%
Holdings66033365

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.

VXF in plain words

VXF is an index equity fund tracking the Extended Market. Over the year to Sep 11, 2026 it returned +14.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 3365 positions, with the top ten at 7.6%. 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 VXF?
In the year to Sep 12, 2026, with distributions reinvested, MUB returned +0.1% and VXF returned +14.1%, so VXF returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MUB or VXF?
MUB charges 0.05% a year and VXF 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.

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

A comparison is not a recommendation. Standards and sources