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

In the year to Sep 13, 2026, with distributions reinvested, CGBL returned +9.9% and MBB returned −0.1%, so CGBL returned more. One year is one year; the longer windows are in the table.

Which is cheaper, CGBL or MBB?

CGBL charges 0.33% a year and MBB charges 0.04%, 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

CGBL vs MBB: how they differ

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

Capital Group Core Balanced ETF and iShares MBS ETF.

What they hold in common

By the books each fund has filed, CGBL 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 CGBL	Only in MBB
Capital Group Core Plus Income ETF 23.22%	BLACKROCK CASH CL INST SL AGENCY 7.26%
Capital Group Core Bond ETF 15.60%	GNMA2 SF 30YR 0.09%
Broadcom Inc 4.57%	GNMA II 30YR SF - JUMBO-CONFORMING 0.08%
Taiwan Semiconductor Manufacturing Co Lt 3.48%	GNMA2 SINGLE FAMILY 30YR 0.04%
Alphabet Inc 2.78%	GNMA II 30YR 0.03%
Micron Technology Inc 2.23%	GNMA2 30YR TBA(REG C) 0.03%
Philip Morris International Inc 2.07%	UMBS 15YR TBA(REG B) 0.03%
Apple Inc 2.00%	FNMA 30YR UMBS MEGA REMIC SUPER 0.02%

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.

CGBL and MBB on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	CGBL Capital Group Core Balanced ETF	MBB iShares MBS ETF
Where it sits	Core index fund	Core index fund
Issuer	Capital Group	iShares
What it is	Core Balanced	Mbs
Total return, 1 year	+9.9%	−0.1%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−7.6 pts	−17.6 pts
Expense ratio	0.33%	0.04%
Holdings	77	2599

CGBL in plain words

CGBL is an index equity fund tracking the Core Balanced. Over the year to Sep 11, 2026 it returned +9.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.33% a year. By its holdings filed for Jun 30, 2026, 48% of the fund by weight is stocks the S&P 500 also holds, across 77 positions, with the top ten at 59.2%.

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.

Questions people ask

Which returned more over the last year, CGBL or MBB?: In the year to Sep 13, 2026, with distributions reinvested, CGBL returned +9.9% and MBB returned −0.1%, so CGBL returned more. One year is one year; the longer windows are in the table.
Which is cheaper, CGBL or MBB?: CGBL charges 0.33% a year and MBB charges 0.04%, 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.

CGBL against MBB, 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, CGBL against MBB, data as of Sep 13, 2026. https://etfiq.com/compare/any/cgbl-vs-mbb Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources