Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
DIA vs MBB: how they differ
DIA and MBB hold 0% of their weight in the same names, and DIA returned more over the year.
SPDR Dow Jones Industrial Average ETF Trust and iShares MBS ETF.
What they hold in common
By the books each fund has filed, DIA and MBB hold 0% of their money in the same securities at the same weight.
| Only in DIA | Only in MBB |
|---|---|
| GOLDMAN SACHS GROUP INC 11.61% | BLACKROCK CASH CL INST SL AGENCY 7.26% |
| CATERPILLAR INC 9.17% | GNMA2 SF 30YR 0.09% |
| MICROSOFT CORP 5.61% | GNMA II 30YR SF - JUMBO-CONFORMING 0.08% |
| UNITEDHEALTH GROUP INC 4.42% | GNMA2 SINGLE FAMILY 30YR 0.04% |
| AMGEN INC 4.36% | GNMA II 30YR 0.03% |
| TRAVELERS COS INC/THE 4.19% | GNMA2 30YR TBA(REG C) 0.03% |
| VISA INC CLASS A SHARES 4.18% | UMBS 15YR TBA(REG B) 0.03% |
| JPMORGAN CHASE + CO 4.03% | 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 Sep 10, 2026.
| DIA SPDR Dow Jones Industrial Average ETF Trust | MBB iShares MBS ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | State Street | iShares |
| What it is | Dow Jones Industrial Average | Mbs |
| Total return, 1 year | +15.6% | −0.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −1.9 pts | −17.6 pts |
| Expense ratio | not published | 0.04% |
| Holdings | 31 | 2599 |
DIA in plain words
DIA is an index equity fund tracking the Dow Jones Industrial Average. Over the year to Sep 11, 2026 it returned +15.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Sep 10, 2026, 97% of the fund by weight is stocks the S&P 500 also holds, across 31 positions, with the top ten at 55.1%. It sat 3.1% below its high of Aug 5, 2026 on Sep 11, 2026.
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, DIA or MBB?
- In the year to Sep 13, 2026, with distributions reinvested, DIA returned +15.6% and MBB returned −0.1%, so DIA returned more. One year is one year; the longer windows are in the table.
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, DIA against MBB, data as of Sep 13, 2026. https://etfiq.com/compare/any/dia-vs-mbb Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources