Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
MBB vs XRT: how they differ
MBB and XRT hold 0% of their weight in the same names, and MBB returned more over the year.
iShares MBS ETF and State Street(R) SPDR(R) S&P(R) Retail ETF.
What they hold in common
By the books each fund has filed, MBB and XRT hold 0% of their money in the same securities at the same weight.
| Only in MBB | Only in XRT |
|---|---|
| Freddie Mac 1.07% | Groupon Inc 1.78% |
| Government National Mortgage Association 0.97% | RealReal Inc/The 1.75% |
| UMBS, TBA 0.85% | Bath & Body Works Inc 1.73% |
| Government National Mortgage Association 0.69% | Warby Parker Inc 1.64% |
| UMBS, TBA 0.66% | Upbound Group Inc 1.59% |
| Government National Mortgage Association 0.56% | Coupang Inc 1.55% |
| Government National Mortgage Association 0.55% | Maplebear Inc 1.55% |
| Government National Mortgage Association 0.54% | Revolve Group Inc 1.52% |
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 Jun 30, 2026 and May 31, 2026.
| MBB iShares MBS ETF | XRT State Street(R) SPDR(R) S&P(R) Retail ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | State Street |
| What it is | Mbs | SPDR S&P Retail |
| Total return, 1 year | −0.1% | −3.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.6 pts | −20.6 pts |
| Expense ratio | 0.04% | 0.35% |
| Holdings | 11144 | 75 |
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.
XRT in plain words
XRT is an index equity fund tracking the SPDR S&P Retail. Over the year to Sep 11, 2026 it returned −3.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.35% a year. By its holdings filed for Jun 30, 2026, 22% of the fund by weight is stocks the S&P 500 also holds, across 75 positions, with the top ten at 16.1%. It sat 12.2% below its high of Nov 16, 2021 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, MBB or XRT?
- In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and XRT returned −3.0%, so MBB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MBB or XRT?
- MBB charges 0.04% a year and XRT charges 0.35%, so MBB is cheaper. Fees come from each fund's prospectus.
Other comparisons
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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 XRT, data as of Sep 12, 2026. https://etfiq.com/compare/any/MBB-XRT Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources