Which returned more over the last year, MBB or XLF?

In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and XLF +7.6%.

Which is cheaper, MBB or XLF?

MBB is cheaper, by 0.04 percentage points a year. That is about $4 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

MBB vs XLF: Differences, Returns & Fees

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Over the year to Oct 28, 2026, MBB returned −0.8% to XLF's +7.6%; 0% of their weight is in the same names.

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Net assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $51.6bn on Oct 27, 2026 for State Street Financial Select Sector SPDR ETF.

MBB on its own →XLF on its own →

At a glance

−0.8%

MBB total return, 1 year

+7.6%

XLF total return, 1 year

0.04%

MBB expense ratio

0.08%

XLF expense ratio

Pair scorecard

MBB costs 0.04 points a year less; their one-year returns differ by 8.4 points; XLF is 1.4 times larger.

MBB vs XLF: Differences, Returns & Fees
Measure	MBB	XLF
Return
Measure	MBB	XLF
Total return, 1 year	−0.8%	+7.6%
Drawdown
Measure	MBB	XLF
Below its high		3.8%, high on Sep 3, 2026
Benchmark
Measure	MBB	XLF
What it tracks	Bloomberg U.S. MBS Index	Financial Select Sector Index
Cost and size
Measure	MBB	XLF
Expense ratio	0.04%	0.08%
Net assets, as of Oct 26, 2026	$35.6bn	$51.5bn
Holdings
Measure	MBB	XLF
Holdings in common	0%
In the S&P 500, by weight		100%
Top ten holdings, share of the fund		57.4%

Holdings in common uses holdings dated Oct 27, 2026. Method

What they share

By the books each fund has filed, MBB and XLF hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first MBB XLF

Only in one fund ↓

Only in MBB

BLACKROCK CASH CL INST SL AGENCY 5.45%

FHLMC 30YR UMBS SUPER 1.05%

UMBS 30YR TBA(REG A) 0.60%

GNMA2 30YR 0.59%

GNMA2 30YR 0.54%

FNMA 30YR UMBS 0.53%

GNMA2 30YR 0.53%

GNMA2 30YR 0.52%

Only in XLF

BERKSHIRE HATHAWAY INC CL B 12.84%

JPMORGAN CHASE + CO 11.33%

VISA INC CLASS A SHARES 8.69%

MASTERCARD INC A 6.26%

BANK OF AMERICA CORP 4.18%

GOLDMAN SACHS GROUP INC 3.37%

WELLS FARGO + CO 3.17%

MORGAN STANLEY 2.83%

Check overlap with more funds →

Side by side

MBB iShares MBS ETF XLF State Street Financial Select Sector SPDR ETF

Where it sits Bond ETF Stock ETF

Issuer iShares State Street

What it is Tracks an index of mortgage-backed securities Tracks an index of Financials

Total return, 1 year −0.8% +7.6%

Its benchmark over the same days −1.1% (SPMB) not measured

Gap to its benchmark +0.3 pts vs SPMB not measured

Expense ratio 0.04% 0.08%

Holdings 10813 77

Net assets, MBB as of Oct 28, 2026 and XLF as of Oct 27, 2026 $35.5bn $51.6bn

MBB and XLF on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

Alert

About each fund

MBB

MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.

XLF

XLF tracks an index of Financials. Over the year to Oct 28, 2026 it returned +7.6% with distributions reinvested. The prospectus expense ratio is 0.08% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 77 positions, with the top ten at 57.4%. It sat 3.8% below its high of Sep 3, 2026 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, MBB or XLF?: In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and XLF +7.6%.
Which is cheaper, MBB or XLF?: MBB is cheaper, by 0.04 percentage points a year. That is about $4 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

KRE vs MBB MBB vs XLE MBB vs VNQ MBB vs XLI TLT vs XLF PULS vs XLF USFR vs XLF SCHP vs XLF

Where to next

MBB on its own →XLF on its own →Hold both: look the portfolio through →Rankings →MBB dividend history →MBB holdings →XLF dividend history →XLF holdings →Standards and sources →

Sources and dates

MBB filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

XLF filings on SEC EDGAR ↗

XLF prospectus with the expense ratio (SEC) ↗

State Street website ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, MBB against XLF, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-xlf

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Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.