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

In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and USFR +4.1%.

Which is cheaper, MBB or USFR?

MBB is cheaper, by 0.11 percentage points a year. That is about $11 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

MBB vs USFR: Differences, Returns & Fees

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MBB's duration was 5.7 years on Aug 31, 2026 and USFR's 0.0 on May 31, 2026; MBB charges 0.04% to USFR's 0.15%.

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Net assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $17.0bn on May 31, 2026 for WisdomTree Floating Rate Treasury Fund.

MBB on its own →USFR on its own →

At a glance

−0.8%

MBB total return, 1 year

+4.1%

USFR total return, 1 year

0.04%

MBB expense ratio

0.15%

USFR expense ratio

Pair scorecard

MBB costs 0.11 points a year less; their one-year returns differ by 4.9 points.

MBB vs USFR: Differences, Returns & Fees
Measure	MBB	USFR
Return
Measure	MBB	USFR
Total return, 1 year	−0.8%	+4.1%
Benchmark
Measure	MBB	USFR
What it tracks	Bloomberg U.S. MBS Index	Bloomberg U.S. Treasury Floating Rate Bond Index
Cost and size
Measure	MBB	USFR
Expense ratio	0.04%	0.15%
Net assets, MBB as of Oct 28, 2026 and USFR as of May 31, 2026	$35.5bn	$17.0bn
Holdings
Measure	MBB	USFR
Holdings in common	0%

Holdings in common uses holdings dated May 31, 2026 and Aug 31, 2026. Method

What they share

By the books each fund has filed, MBB and USFR hold 0% of their money in the same securities at the same weight. Holdings dated May 31, 2026 and Aug 31, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first MBB USFR

Only in one fund ↓

Only in MBB

Ginnie Mae, due Sep 1, 2056 1.05%

Freddie Mac Pool, due May 1, 2051 0.98%

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.85%

Uniform Mortgage-Backed Security, TBA, due Sep 1, 2056 0.70%

Ginnie Mae, due Sep 1, 2056 0.53%

Ginnie Mae II Pool, due Nov 20, 2054 0.51%

Ginnie Mae II Pool, due Oct 20, 2051 0.51%

Ginnie Mae II Pool, due Dec 20, 2051 0.50%

Only in USFR

TF 0 10/31/27, due Oct 31, 2027 27.95%

TF 0 07/31/27, due Jul 31, 2027 27.93%

TF 0 01/31/28, due Jan 31, 2028 27.91%

TF 0 04/30/28, due Apr 30, 2028 15.90%

Check overlap with more funds →

Side by side

MBB iShares MBS ETF USFR WisdomTree Floating Rate Treasury Fund

Where it sits Bond ETF Bond ETF

Issuer iShares WisdomTree

What it is Tracks an index of mortgage-backed securities Tracks an index of Floating Rate Treasury

Total return, 1 year −0.8% +4.1%

Its benchmark over the same days −1.1% (SPMB) +4.0% (TFLO)

Gap to its benchmark +0.3 pts vs SPMB +0.1 pts vs TFLO

Expense ratio 0.04% 0.15%

Holdings 10813 4

Net assets, MBB as of Oct 28, 2026 and USFR as of May 31, 2026 $35.5bn $17.0bn

MBB and USFR on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Alert

About each fund

MBB

MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.

USFR

USFR tracks an index of Floating Rate Treasury. Over the year to Oct 28, 2026 it returned +4.1% with distributions reinvested, against +4.0% for its benchmark, the Bloomberg U.S. Treasury Floating Rate Bond Index. 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 Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and USFR +4.1%.
Which is cheaper, MBB or USFR?: MBB is cheaper, by 0.11 percentage points a year. That is about $11 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

BOXX vs MBB MBB vs VBIL MBB vs VUSB BIL vs MBB SCHP vs USFR TIP vs USFR PFF vs USFR USFR vs VGSH

Where to next

MBB on its own →USFR on its own →Hold both: look the portfolio through →Rankings →MBB dividend history →MBB holdings →USFR dividend history →USFR holdings →Standards and sources →

Sources and dates

MBB filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

USFR filings on SEC EDGAR ↗

USFR prospectus with the expense ratio (SEC) ↗

WisdomTree page for USFR ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, MBB against USFR, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-usfr

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.