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

In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and VBR returned +16.3%, so VBR returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or VBR?

MBB charges 0.04% a year and VBR charges 0.05%, so MBB is cheaper. Fees come from each fund's prospectus.

Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

MBB vs VBR: how they differ

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

iShares MBS ETF and Vanguard Small-Cap Value Index Fund.

What they hold in common

By the books each fund has filed, MBB and VBR 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 VBR
BLACKROCK CASH CL INST SL AGENCY 7.26%	Jabil Inc 0.87%
GNMA2 SF 30YR 0.09%	NRG Energy Inc 0.66%
GNMA II 30YR SF - JUMBO-CONFORMING 0.08%	Tapestry Inc 0.64%
GNMA2 SINGLE FAMILY 30YR 0.04%	Atmos Energy Corp 0.62%
GNMA II 30YR 0.03%	Williams-Sonoma Inc 0.59%
GNMA2 30YR TBA(REG C) 0.03%	Moderna Inc 0.54%
UMBS 15YR TBA(REG B) 0.03%	Smurfit Westrock PLC 0.52%
FNMA 30YR UMBS MEGA REMIC SUPER 0.02%	F5 Inc 0.50%

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 Sep 10, 2026.

MBB and VBR on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	VBR Vanguard Small-Cap Value Index Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	Vanguard
What it is	Mbs	Small-Cap Value
Total return, 1 year	−0.1%	+16.3%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	−1.2 pts
Expense ratio	0.04%	0.05%
Holdings	2599	840

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.

VBR in plain words

VBR is an index equity fund tracking the Small-Cap Value. Over the year to Sep 11, 2026 it returned +16.3% 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. By its holdings filed for Jun 30, 2026, 30% of the fund by weight is stocks the S&P 500 also holds, across 840 positions, with the top ten at 5.9%. It sat 3.8% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MBB or VBR?: In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and VBR returned +16.3%, so VBR returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or VBR?: MBB charges 0.04% a year and VBR charges 0.05%, so MBB 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 VBR, 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, MBB against VBR, data as of Sep 13, 2026. https://etfiq.com/compare/any/mbb-vs-vbr Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources