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

In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and XLG +6.4%.

Which is cheaper, MBB or XLG?

MBB is cheaper, by 0.16 percentage points a year. That is about $16 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

MBB vs XLG: Differences, Returns & Fees

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Over the year to Oct 28, 2026, MBB returned −0.8% to XLG's +6.4%; 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 $11.9bn on Oct 27, 2026 for Invesco S&P 500 Top 50 ETF.

MBB on its own →XLG on its own →

At a glance

−0.8%

MBB total return, 1 year

+6.4%

XLG total return, 1 year

0.04%

MBB expense ratio

0.20%

XLG expense ratio

Pair scorecard

MBB costs 0.16 points a year less; their one-year returns differ by 7.2 points; MBB is 3.0 times larger.

MBB vs XLG: Differences, Returns & Fees
Measure	MBB	XLG
Return
Measure	MBB	XLG
Total return, 1 year	−0.8%	+6.4%
Benchmark
Measure	MBB	XLG
What it tracks	Bloomberg U.S. MBS Index	S&P 500 Top 50 Index
Cost and size
Measure	MBB	XLG
Expense ratio	0.04%	0.20%
Net assets, as of Oct 26, 2026	$35.6bn	$11.7bn
Holdings
Measure	MBB	XLG
Holdings in common	0%
In the S&P 500, by weight		98%
Top ten holdings, share of the fund		60.3%

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

What they share

By the books each fund has filed, MBB and XLG 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 XLG

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 XLG

NVIDIA Corp 12.54%

Apple Inc 12.04%

Microsoft Corp 9.38%

Amazon.com Inc 5.91%

Alphabet Inc 4.47%

Broadcom Inc 3.87%

Alphabet Inc 3.58%

Meta Platforms Inc 3.25%

Check overlap with more funds →

Side by side

MBB iShares MBS ETF XLG Invesco S&P 500 Top 50 ETF

Where it sits Bond ETF Stock ETF

Issuer iShares Invesco

What it is Tracks an index of mortgage-backed securities Tracks the S&P 500 top 50

Total return, 1 year −0.8% +6.4%

Its benchmark over the same days −1.1% (SPMB) +13.7% (IVV)

Gap to its benchmark +0.3 pts vs SPMB −7.3 pts vs IVV

Expense ratio 0.04% 0.20%

Holdings 10813 53

Net assets, MBB as of Oct 28, 2026 and XLG as of Oct 27, 2026 $35.5bn $11.9bn

MBB and XLG 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.

XLG

XLG tracks the S&P 500 top 50. Over the year to Oct 28, 2026 it returned +6.4% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.20% a year. By its holdings published by its issuer for Oct 27, 2026, 98% of the fund by weight is stocks the S&P 500 also holds, across 53 positions, with the top ten at 60.3%.

Questions people ask

Which returned more over the last year, MBB or XLG?: In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and XLG +6.4%.
Which is cheaper, MBB or XLG?: MBB is cheaper, by 0.16 percentage points a year. That is about $16 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

AVUS vs MBB DGRW vs MBB MBB vs MTUM MBB vs SPHQ TLT vs XLG BIL vs XLG PULS vs XLG USFR vs XLG

Where to next

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

Sources and dates

MBB filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

XLG filings on SEC EDGAR ↗

XLG prospectus with the expense ratio (SEC) ↗

Invesco page for XLG ↗

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 XLG, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-xlg

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