Data as of Oct 28, 2026.

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AVUV vs MBB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, AVUV returned +25.1% to MBB's −0.8%; 0% of their weight is in the same names.

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Net assets: $32.1bn on Oct 27, 2026 for Avantis U.S. Small Cap Value ETF, and $35.5bn on Oct 28, 2026 for iShares MBS ETF.

At a glance
+25.1%
AVUV total return, 1 year
−0.8%
MBB total return, 1 year
0.25%
AVUV expense ratio
0.04%
MBB expense ratio

Pair scorecard

MBB costs 0.21 points a year less; their one-year returns differ by 25.9 points; MBB is 1.1 times larger.

AVUV vs MBB: Differences, Returns & Fees
MeasureAVUVMBB
Return
Total return, 1 year+25.1%−0.8%
Drawdown
Below its high4.4%, high on Aug 4, 2026
Benchmark
What it tracksNo index, actively managedBloomberg U.S. MBS Index
Cost and size
Expense ratio0.25%0.04%
Net assets, as of Oct 26, 2026$32.0bn$35.6bn
Holdings
Holdings in common0%
In the S&P 500, by weight0%
Top ten holdings, share of the fund7.9%

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

What they share

0%

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

0 half 100%

half

0% in common

Positions both hold · largest shared weight first AVUV MBB
Only in one fund ↓
Only in AVUV
MATSON INC COMMON STOCK 0.99%
GATX CORP COMMON STOCK USD.625 0.89%
SM ENERGY CO COMMON STOCK USD.01 0.83%
ABERCROMBIE + FITCH CO CL A COMMON STOCK USD.01 0.79%
LYFT INC A COMMON STOCK USD.00001 0.77%
MACY S INC COMMON STOCK USD.01 0.77%
MURPHY OIL CORP COMMON STOCK USD1.0 0.73%
SKYWEST INC COMMON STOCK 0.73%
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%
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Side by side

AVUV Avantis U.S. Small Cap Value ETF MBB iShares MBS ETF
Where it sits Stock ETF Bond ETF
What it is Actively managed Tracks an index of mortgage-backed securities
Total return, 1 year +25.1% −0.8%
Its benchmark over the same days +21.1% (IWN) −1.1% (SPMB)
Gap to its benchmark +4.0 pts vs IWN +0.3 pts vs SPMB
Expense ratio 0.25% 0.04%
Holdings 791 10813
Net assets, AVUV as of Oct 27, 2026 and MBB as of Oct 28, 2026 $32.1bn $35.5bn

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

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About each fund
AVUV

Over the year to Oct 28, 2026 it returned +25.1% with distributions reinvested, against +21.1% for its benchmark, the Russell 2000 Value.

AVUV is actively managed and tracks no index. The prospectus expense ratio is 0.25% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 791 positions, with the top ten at 7.9%. It sat 4.4% below its high of Aug 4, 2026 on Oct 28, 2026.

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.

Questions people ask

Which returned more over the last year, AVUV or MBB?
In the year to Oct 28, 2026, with distributions reinvested, AVUV returned +25.1% and MBB −0.8%.
Which is cheaper, AVUV or MBB?
MBB is cheaper, by 0.21 percentage points a year. That is about $21 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, AVUV against MBB, data as of Oct 28, 2026. https://etfiq.com/compare/any/avuv-vs-mbb

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