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

In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and USMV +10.8%.

Which is cheaper, MBB or USMV?

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 USMV: Differences, Returns & Fees

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Over the year to Oct 28, 2026, MBB returned −0.8% to USMV's +10.8%; 0% of their weight is in the same names.

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Net assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $24.1bn on Oct 27, 2026 for iShares MSCI USA Min Vol Factor ETF.

MBB on its own →USMV on its own →

At a glance

−0.8%

MBB total return, 1 year

+10.8%

USMV total return, 1 year

0.04%

MBB expense ratio

0.15%

USMV expense ratio

Pair scorecard

MBB costs 0.11 points a year less; their one-year returns differ by 11.6 points; MBB is 1.5 times larger.

MBB vs USMV: Differences, Returns & Fees
Measure	MBB	USMV
Return
Measure	MBB	USMV
Total return, 1 year	−0.8%	+10.8%
Benchmark
Measure	MBB	USMV
What it tracks	Bloomberg U.S. MBS Index	MSCI USA Minimum Volatility (USD) Index
Cost and size
Measure	MBB	USMV
Expense ratio	0.04%	0.15%
Net assets, as of Oct 23, 2026	$35.5bn	$24.1bn
Holdings
Measure	MBB	USMV
Holdings in common	0%
In the S&P 500, by weight		93%
Top ten holdings, share of the fund		14.8%

Holdings in common uses holdings dated Oct 27, 2026. Method

What they share

By the books each fund has filed, MBB and USMV hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first MBB USMV

Only in one fund ↓

Only in MBB

BLACKROCK CASH CL INST SL AGENCY 5.45%

FHLMC 30YR UMBS SUPER 1.05%

UMBS 30YR TBA(REG A) 0.60%

GNMA2 30YR 0.59%

GNMA2 30YR 0.54%

FNMA 30YR UMBS 0.53%

GNMA2 30YR 0.53%

GNMA2 30YR 0.52%

Only in USMV

MICROSOFT 1.61%

EXXONMOBIL HOLDINGS CORP 1.54%

BERKSHIRE HATHAWAY INC CLASS B 1.50%

CHUBB 1.50%

MOTOROLA SOLUTIONS INC 1.48%

AMPHENOL CORP CLASS A 1.47%

NVIDIA 1.47%

JOHNSON & JOHNSON 1.44%

Check overlap with more funds →

Side by side

MBB iShares MBS ETF USMV iShares MSCI USA Min Vol Factor ETF

Where it sits Bond ETF Stock ETF

Issuer iShares iShares

What it is Tracks an index of mortgage-backed securities Tracks the MSCI USA Min Vol Factor

Total return, 1 year −0.8% +10.8%

Its benchmark over the same days −1.1% (SPMB) not measured

Gap to its benchmark +0.3 pts vs SPMB not measured

Expense ratio 0.04% 0.15%

Holdings 10813 176

Net assets, MBB as of Oct 28, 2026 and USMV as of Oct 27, 2026 $35.5bn $24.1bn

MBB and USMV 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.

USMV

USMV tracks the MSCI USA Min Vol Factor. Over the year to Oct 28, 2026 it returned +10.8% with distributions reinvested. The prospectus expense ratio is 0.15% a year. By its holdings published by its issuer for Oct 27, 2026, 93% of the fund by weight is stocks the S&P 500 also holds, across 176 positions, with the top ten at 14.8%.

Questions people ask

Which returned more over the last year, MBB or USMV?: In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and USMV +10.8%.
Which is cheaper, MBB or USMV?: 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

MBB vs SPMO AVUS vs MBB DYNF vs MBB MBB vs SCHB TLT vs USMV BIL vs USMV PULS vs USMV USFR vs USMV

Where to next

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

Sources and dates

MBB and USMV filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

USMV prospectus with the expense ratio (SEC) ↗

iShares page for USMV ↗

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 USMV, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-usmv

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