Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
MBB vs USHY: how they differ
MBB and USHY hold 0% of their weight in the same names, and USHY returned more over the year.
iShares MBS ETF and iShares Broad USD High Yield Corporate Bond ETF.
What they hold in common
By the books each fund has filed, MBB and USHY hold 0% of their money in the same securities at the same weight.
| Only in MBB | Only in USHY |
|---|---|
| BLACKROCK CASH CL INST SL AGENCY 7.26% | BLK CSH FND TREASURY SL AGENCY 1.17% |
| GNMA2 SF 30YR 0.09% | 1261229 BC LTD 144A 0.49% |
| GNMA II 30YR SF - JUMBO-CONFORMING 0.08% | MERIDIAN ARC HOLDCO LLC 144A 0.38% |
| GNMA2 SINGLE FAMILY 30YR 0.04% | PR RNO PROPERTY OWNER 1 LLC 144A 0.29% |
| GNMA II 30YR 0.03% | GALAXY HELIOS DATA CENTERS II LLC 144A 0.24% |
| GNMA2 30YR TBA(REG C) 0.03% | SV RNO PROPERTY OWNER 1 LLC 144A 0.24% |
| UMBS 15YR TBA(REG B) 0.03% | WULF COMPUTE LLC 144A 0.24% |
| FNMA 30YR UMBS MEGA REMIC SUPER 0.02% | CORE SCIENTIFIC FINANCE I LLC 144A 0.23% |
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.
| MBB iShares MBS ETF | USHY iShares Broad USD High Yield Corporate Bond ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | iShares |
| What it is | Mbs | Broad USD High Yield Corporate Bond |
| Total return, 1 year | −0.1% | +3.3% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.6 pts | −14.2 pts |
| Expense ratio | 0.04% | 0.08% |
| Holdings | 2599 | 1871 |
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.
USHY in plain words
USHY is a bond fund tracking the Broad USD High Yield Corporate Bond. Over the year to Sep 11, 2026 it returned +3.3% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.08% a year.
Questions people ask
- Which returned more over the last year, MBB or USHY?
- In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and USHY returned +3.3%, so USHY returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MBB or USHY?
- MBB charges 0.04% a year and USHY charges 0.08%, 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, MBB against USHY, data as of Sep 13, 2026. https://etfiq.com/compare/any/mbb-vs-ushy Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources