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

In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and VCLT returned −4.8%, so MBB returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or VCLT?

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

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

iShares MBS ETF and Vanguard Long-Term Corporate Bond Index Fund.

What they hold in common

By the books each fund has filed, MBB and VCLT 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 VCLT
BLACKROCK CASH CL INST SL AGENCY 7.26%	Anheuser-Busch Cos LLC / Anheuser-Busch 0.38%
GNMA2 SF 30YR 0.09%	CVS Health Corp 0.34%
GNMA II 30YR SF - JUMBO-CONFORMING 0.08%	Meta Platforms Inc 0.29%
GNMA2 SINGLE FAMILY 30YR 0.04%	Boeing Co/The 0.27%
GNMA II 30YR 0.03%	Pfizer Investment Enterprises Pte Ltd 0.27%
GNMA2 30YR TBA(REG C) 0.03%	Amazon.com Inc 0.26%
UMBS 15YR TBA(REG B) 0.03%	Oracle Corp 0.24%
FNMA 30YR UMBS MEGA REMIC SUPER 0.02%	AT&T Inc 0.24%

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 VCLT on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	VCLT Vanguard Long-Term Corporate Bond Index Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	Vanguard
What it is	Mbs	Long-Term Corporate Bond
Total return, 1 year	−0.1%	−4.8%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	−22.3 pts
Expense ratio	0.04%	0.03%
Holdings	2599	2775

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.

VCLT in plain words

VCLT is a bond fund tracking the Long-Term Corporate Bond. Over the year to Sep 11, 2026 it returned −4.8% 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 18.1% below its high of Sep 22, 2021 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MBB or VCLT?: In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and VCLT returned −4.8%, so MBB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or VCLT?: MBB charges 0.04% a year and VCLT charges 0.03%, so VCLT 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 VCLT, 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 VCLT, data as of Sep 13, 2026. https://etfiq.com/compare/any/mbb-vs-vclt Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources