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

In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and USFR returned +4.1%, so USFR returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or USFR?

MBB charges 0.04% a year and USFR charges 0.15%, so MBB 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

MBB vs USFR: how they differ

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

iShares MBS ETF and WisdomTree Floating Rate Treasury Fund.

What they hold in common

By the books each fund has filed, MBB and USFR 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 USFR
Freddie Mac 1.07%	UNITED STATES OF AMERICA - BUREAU OF THE 28.04%
Government National Mortgage Association 0.97%	UNITED STATES OF AMERICA - BUREAU OF THE 28.01%
UMBS, TBA 0.85%	UNITED STATES OF AMERICA - BUREAU OF THE 28.00%
Government National Mortgage Association 0.69%	UNITED STATES OF AMERICA - BUREAU OF THE 15.95%
UMBS, TBA 0.66%
Government National Mortgage Association 0.56%
Government National Mortgage Association 0.55%
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.

MBB and USFR on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	USFR WisdomTree Floating Rate Treasury Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	WisdomTree
What it is	Mbs	Floating Rate Treasury
Total return, 1 year	−0.1%	+4.1%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	−13.4 pts
Expense ratio	0.04%	0.15%
Holdings	11144	4

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.

USFR in plain words

USFR is a bond fund tracking the Floating Rate Treasury. Over the year to Sep 11, 2026 it returned +4.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year.

Questions people ask

Which returned more over the last year, MBB or USFR?: In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and USFR returned +4.1%, so USFR returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or USFR?: MBB charges 0.04% a year and USFR charges 0.15%, 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 USFR, 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, MBB against USFR, data as of Sep 12, 2026. https://etfiq.com/compare/any/MBB-USFR Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources