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

In the year to Sep 12, 2026, with distributions reinvested, IGIB returned −1.0% and MBB returned −0.1%, so MBB returned more. One year is one year; the longer windows are in the table.

Which is cheaper, IGIB or MBB?

IGIB charges 0.04% a year and MBB charges 0.04%, so IGIB 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

IGIB vs MBB: how they differ

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

iShares 5-10 Year Investment Grade Corporate Bond ETF and iShares MBS ETF.

What they hold in common

By the books each fund has filed, IGIB and MBB 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 IGIB	Only in MBB
META PLATFORMS INC 0.24%	Freddie Mac 1.07%
AMAZON.COM INC 0.23%	Government National Mortgage Association 0.97%
ANHEUSER-BUSCH CO/INBEV 0.20%	UMBS, TBA 0.85%
BANK OF AMERICA CORP 0.20%	Government National Mortgage Association 0.69%
BANK OF AMERICA CORP 0.20%	UMBS, TBA 0.66%
BANK OF AMERICA CORP 0.20%	Government National Mortgage Association 0.56%
MARS INC 0.19%	Government National Mortgage Association 0.55%
PFIZER INVESTMENT ENTER 0.19%	Government National Mortgage Association 0.54%

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.

IGIB and MBB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	IGIB iShares 5-10 Year Investment Grade Corporate Bond ETF	MBB iShares MBS ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	iShares
What it is	5-10 Year Investment Grade Corporate Bond	Mbs
Total return, 1 year	−1.0%	−0.1%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−18.5 pts	−17.6 pts
Expense ratio	0.04%	0.04%
Holdings	2988	11144

IGIB in plain words

IGIB is a bond fund tracking the 5-10 Year Investment Grade Corporate Bond. Over the year to Sep 11, 2026 it returned −1.0% 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.

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.

Questions people ask

Which returned more over the last year, IGIB or MBB?: In the year to Sep 12, 2026, with distributions reinvested, IGIB returned −1.0% and MBB returned −0.1%, so MBB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IGIB or MBB?: IGIB charges 0.04% a year and MBB charges 0.04%, so IGIB 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.

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

A comparison is not a recommendation. Standards and sources