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

In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and VOX returned +2.9%, so VOX returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or VOX?

MBB charges 0.04% a year and VOX charges 0.09%, 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 VOX: how they differ

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

iShares MBS ETF and Vanguard Communication Services Index Fund.

What they hold in common

By the books each fund has filed, MBB and VOX 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 VOX
BLACKROCK CASH CL INST SL AGENCY 7.26%	Meta Platforms Inc 21.12%
GNMA2 SF 30YR 0.09%	Alphabet Inc 16.14%
GNMA II 30YR SF - JUMBO-CONFORMING 0.08%	Alphabet Inc 10.61%
GNMA2 SINGLE FAMILY 30YR 0.04%	Netflix Inc 4.77%
GNMA II 30YR 0.03%	Verizon Communications Inc 4.17%
GNMA2 30YR TBA(REG C) 0.03%	Walt Disney Co/The 3.96%
UMBS 15YR TBA(REG B) 0.03%	AT&T Inc 3.69%
FNMA 30YR UMBS MEGA REMIC SUPER 0.02%	Warner Bros Discovery Inc 2.74%

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 May 31, 2026 and Sep 10, 2026.

MBB and VOX on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	VOX Vanguard Communication Services Index Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	Vanguard
What it is	Mbs	Communication Services
Total return, 1 year	−0.1%	+2.9%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	−14.6 pts
Expense ratio	0.04%	0.09%
Holdings	2599	114

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.

VOX in plain words

VOX is an index equity fund tracking the Communication Services. Over the year to Sep 11, 2026 it returned +2.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for May 31, 2026, 84% of the fund by weight is stocks the S&P 500 also holds, across 114 positions, with the top ten at 72.1%. It sat 4.3% below its high of Jan 29, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MBB or VOX?: In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and VOX returned +2.9%, so VOX returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or VOX?: MBB charges 0.04% a year and VOX charges 0.09%, 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 VOX, 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 VOX, data as of Sep 13, 2026. https://etfiq.com/compare/any/mbb-vs-vox Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources