Which returned more over the last year, MBB or VTEB?

In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and VTEB returned +0.2%, so VTEB returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or VTEB?

MBB charges 0.04% a year and VTEB charges 0.03%, so VTEB is cheaper. Fees come from each fund's prospectus.

Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

MBB vs VTEB: how they differ

MBB and VTEB hold 0% of their weight in the same names.

iShares MBS ETF and Vanguard Tax-Exempt Bond Index Fund.

What they hold in common

By the books each fund has filed, MBB and VTEB 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 MBB	Only in VTEB
Freddie Mac 1.07%	University of California 0.12%
Government National Mortgage Association 0.97%	Triborough Bridge & Tunnel Authority 0.12%
UMBS, TBA 0.85%	Colorado State Education Loan Program 0.11%
Government National Mortgage Association 0.69%	State of California 0.11%
UMBS, TBA 0.66%	New York City Transitional Finance Autho 0.09%
Government National Mortgage Association 0.56%	Dallas Independent School District 0.09%
Government National Mortgage Association 0.55%	New York State Dormitory Authority 0.09%
Government National Mortgage Association 0.54%	Ohio Water Development Authority Water P 0.09%

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 Apr 30, 2026 and May 31, 2026.

MBB and VTEB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	VTEB Vanguard Tax-Exempt Bond Index Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	Vanguard
What it is	Mbs	Tax-Exempt Bond
Total return, 1 year	−0.1%	+0.2%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	−17.3 pts
Expense ratio	0.04%	0.03%
Holdings	11144	10185

MBB in plain words

MBB is a bond fund tracking the Mbs. 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 0.04% a year. It sat 3.3% below its high of Feb 27, 2026 on Sep 11, 2026.

VTEB in plain words

VTEB is a bond fund tracking the Tax-Exempt Bond. Over the year to Sep 11, 2026 it returned +0.2% 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. 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, MBB or VTEB?: In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and VTEB returned +0.2%, so VTEB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or VTEB?: MBB charges 0.04% a year and VTEB charges 0.03%, so VTEB 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.

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

A comparison is not a recommendation. Standards and sources