Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
AVUV vs MBB: how they differ
AVUV and MBB hold 0% of their weight in the same names, and AVUV returned more over the year.
Avantis U.S. Small Cap Value ETF and iShares MBS ETF.
What they hold in common
By the books each fund has filed, AVUV and MBB hold 0% of their money in the same securities at the same weight.
| Only in AVUV | Only in MBB |
|---|---|
| Viasat Inc 1.39% | BLACKROCK CASH CL INST SL AGENCY 7.26% |
| Matson Inc 0.98% | GNMA2 SF 30YR 0.09% |
| Lear Corp 0.90% | GNMA II 30YR SF - JUMBO-CONFORMING 0.08% |
| SM Energy Co 0.86% | GNMA2 SINGLE FAMILY 30YR 0.04% |
| Avnet Inc 0.86% | GNMA II 30YR 0.03% |
| Macy's Inc 0.78% | GNMA2 30YR TBA(REG C) 0.03% |
| StoneX Group Inc 0.77% | UMBS 15YR TBA(REG B) 0.03% |
| Five Below Inc 0.72% | 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 May 31, 2026 and Sep 10, 2026.
| AVUV Avantis U.S. Small Cap Value ETF | MBB iShares MBS ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Avantis | iShares |
| What it is | U.S. Small Cap Value | Mbs |
| Total return, 1 year | +24.6% | −0.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +7.2 pts | −17.6 pts |
| Expense ratio | 0.25% | 0.04% |
| Holdings | 795 | 2599 |
AVUV in plain words
AVUV is an index equity fund tracking the U.S. Small Cap Value. Over the year to Sep 11, 2026 it returned +24.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.25% a year. By its holdings filed for May 31, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 795 positions, with the top ten at 8.7%.
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.
Questions people ask
- Which returned more over the last year, AVUV or MBB?
- In the year to Sep 13, 2026, with distributions reinvested, AVUV returned +24.6% and MBB returned −0.1%, so AVUV returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, AVUV or MBB?
- AVUV charges 0.25% a year and MBB charges 0.04%, so MBB is cheaper. Fees come from each fund's prospectus.
Other comparisons
Where to next
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.
Cite this page. ETFIQ, AVUV against MBB, data as of Sep 13, 2026. https://etfiq.com/compare/any/avuv-vs-mbb Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources