Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.
MBB vs XLY: how they differ
MBB and XLY hold 0% of their weight in the same names, and MBB returned more over the year.
iShares MBS ETF and State Street(R) Consumer Discretionary Select Sector SPDR(R) ETF.
What they hold in common
By the books each fund has filed, MBB and XLY hold 0% of their money in the same securities at the same weight.
| Only in MBB | Only in XLY |
|---|---|
| BLACKROCK CASH CL INST SL AGENCY 7.26% | AMAZON.COM INC 24.68% |
| GNMA2 SF 30YR 0.09% | TESLA INC 17.84% |
| GNMA II 30YR SF - JUMBO-CONFORMING 0.08% | HOME DEPOT INC 5.31% |
| GNMA2 SINGLE FAMILY 30YR 0.04% | MCDONALD S CORP 4.09% |
| GNMA II 30YR 0.03% | BOOKING HOLDINGS INC 3.52% |
| GNMA2 30YR TBA(REG C) 0.03% | TJX COMPANIES INC 3.44% |
| UMBS 15YR TBA(REG B) 0.03% | STARBUCKS CORP 2.96% |
| FNMA 30YR UMBS MEGA REMIC SUPER 0.02% | LOWE S COS INC 2.88% |
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 | XLY State Street(R) Consumer Discretionary Select Sector SPDR(R) ETF | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | iShares | State Street |
| What it is | Mbs | Consumer discretionary |
| Total return, 1 year | −0.1% | −4.1% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | −17.6 pts | −21.6 pts |
| Expense ratio | 0.04% | 0.08% |
| Holdings | 2599 | 49 |
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.
XLY in plain words
XLY is an index equity fund tracking the Consumer discretionary. Over the year to Sep 11, 2026 it returned −4.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.08% a year. By its holdings filed for Sep 10, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 49 positions, with the top ten at 68.7%. It sat 8.9% below its high of Jan 12, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, MBB or XLY?
- In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and XLY returned −4.1%, so MBB returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, MBB or XLY?
- MBB charges 0.04% a year and XLY 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 XLY, data as of Sep 13, 2026. https://etfiq.com/compare/any/mbb-vs-xly Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources