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

In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and SGOV returned +3.8%, so SGOV returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or SGOV?

MBB charges 0.04% a year and SGOV charges 0.09%, 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

MBB vs SGOV: how they differ

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

iShares MBS ETF and iShares 0-3 Month Treasury Bond ETF.

What they hold in common

By the books each fund has filed, MBB and SGOV 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 SGOV
BLACKROCK CASH CL INST SL AGENCY 7.26%	TREASURY BILL 0.94%
GNMA2 SF 30YR 0.09%	BLK CSH FND TREASURY SL AGENCY 0.51%
GNMA II 30YR SF - JUMBO-CONFORMING 0.08%
GNMA2 SINGLE FAMILY 30YR 0.04%
GNMA II 30YR 0.03%
GNMA2 30YR TBA(REG C) 0.03%
UMBS 15YR TBA(REG B) 0.03%
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 Sep 10, 2026.

MBB and SGOV on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	SGOV iShares 0-3 Month Treasury Bond ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	iShares
What it is	Mbs	0-3 month T-bills
Total return, 1 year	−0.1%	+3.8%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	−13.7 pts
Expense ratio	0.04%	0.09%
Holdings	2599	23

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.

SGOV in plain words

SGOV is a cash and treasury bills tracking the 0-3 month T-bills. Over the year to Sep 11, 2026 it returned +3.8% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year.

Questions people ask

Which returned more over the last year, MBB or SGOV?: In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and SGOV returned +3.8%, so SGOV returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or SGOV?: MBB charges 0.04% a year and SGOV charges 0.09%, 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.

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

A comparison is not a recommendation. Standards and sources