Which returned more over the last year, IGSB or MUB?

In the year to Sep 13, 2026, with distributions reinvested, IGSB returned +1.7% and MUB returned +0.1%, so IGSB returned more. One year is one year; the longer windows are in the table.

Which is cheaper, IGSB or MUB?

IGSB charges 0.04% a year and MUB charges 0.05%, so IGSB 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

IGSB vs MUB: how they differ

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

iShares 1-5 Year Investment Grade Corporate Bond ETF and iShares National Muni Bond ETF.

What they hold in common

By the books each fund has filed, IGSB and MUB 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 IGSB	Only in MUB
BLK CSH FND TREASURY SL AGENCY 0.56%	HOUSTON TEX HIGHER ED FIN CORP 0.13%
EAGLE FUNDING LUXCO S. R.L. 144A 0.29%	DISTRICT COLUMBIA UNIV REV 0.10%
SPACE EXPLORATION TECHNOLOGIES COR 144A 0.15%	ECTOR CNTY TEX 0.08%
DEUTSCHE TELEKOM INTERNATIONAL FIN 0.10%	NEW ORLEANS LA 0.08%
BAYER US FINANCE II LLC 144A 0.09%	PORT TACOMA WASH REV 0.08%
JPMORGAN CHASE & CO MTN 0.09%	CONTRA COSTA CALIF CMNTY COLLE 0.06%
GOLDMAN SACHS BANK USA (FXD-FRN) 0.08%	LOS ANGELES CALIF 0.06%
GOLDMAN SACHS GROUP INC/THE MTN 0.08%	LOS ANGELES CNTY CALIF 0.06%

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 Sep 10, 2026.

IGSB and MUB on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	IGSB iShares 1-5 Year Investment Grade Corporate Bond ETF	MUB iShares National Muni Bond ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	iShares
What it is	1-5 Year Investment Grade Corporate Bond	National Muni Bond
Total return, 1 year	+1.7%	+0.1%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−15.8 pts	−17.4 pts
Expense ratio	0.04%	0.05%
Holdings	4496	5215

IGSB in plain words

IGSB is a bond fund tracking the 1-5 Year Investment Grade Corporate Bond. Over the year to Sep 11, 2026 it returned +1.7% 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.

MUB in plain words

MUB is a bond fund tracking the National Muni Bond. 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 0.05% a year. It sat 3.6% below its high of Jul 6, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IGSB or MUB?: In the year to Sep 13, 2026, with distributions reinvested, IGSB returned +1.7% and MUB returned +0.1%, so IGSB returned more. One year is one year; the longer windows are in the table.
Which is cheaper, IGSB or MUB?: IGSB charges 0.04% a year and MUB charges 0.05%, so IGSB is cheaper. Fees come from each fund's prospectus.

Other comparisons

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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.

IGSB against MUB, 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, IGSB against MUB, data as of Sep 13, 2026. https://etfiq.com/compare/any/igsb-vs-mub Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources