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

In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and VGIT returned −1.2%, so MBB returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or VGIT?

MBB charges 0.04% a year and VGIT charges 0.03%, so VGIT 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 VGIT: how they differ

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

iShares MBS ETF and Vanguard Intermediate-Term Treasury Index Fund.

What they hold in common

By the books each fund has filed, MBB and VGIT 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 VGIT
BLACKROCK CASH CL INST SL AGENCY 7.26%	United States Treasury Note/Bond 1.97%
GNMA2 SF 30YR 0.09%	United States Treasury Note/Bond 1.94%
GNMA II 30YR SF - JUMBO-CONFORMING 0.08%	United States Treasury Note/Bond 1.92%
GNMA2 SINGLE FAMILY 30YR 0.04%	United States Treasury Note/Bond 1.92%
GNMA II 30YR 0.03%	United States Treasury Note/Bond 1.92%
GNMA2 30YR TBA(REG C) 0.03%	United States Treasury Note/Bond 1.89%
UMBS 15YR TBA(REG B) 0.03%	United States Treasury Note/Bond 1.89%
FNMA 30YR UMBS MEGA REMIC SUPER 0.02%	United States Treasury Note/Bond 1.87%

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 VGIT on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	VGIT Vanguard Intermediate-Term Treasury Index Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	Vanguard
What it is	Mbs	Intermediate-Term Treasury
Total return, 1 year	−0.1%	−1.2%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	−18.7 pts
Expense ratio	0.04%	0.03%
Holdings	2599	103

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.

VGIT in plain words

VGIT is a bond fund tracking the Intermediate-Term Treasury. Over the year to Sep 11, 2026 it returned −1.2% 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 3.7% below its high of Aug 4, 2020 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MBB or VGIT?: In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and VGIT returned −1.2%, so MBB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or VGIT?: MBB charges 0.04% a year and VGIT charges 0.03%, so VGIT 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 VGIT, 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 VGIT, data as of Sep 13, 2026. https://etfiq.com/compare/any/mbb-vs-vgit Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources