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

In the year to Oct 28, 2026, with distributions reinvested, IEFA returned +12.3% and MBB −0.8%.

Which is cheaper, IEFA or MBB?

MBB is cheaper, by 0.03 percentage points a year. That is about $3 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

IEFA vs MBB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, IEFA returned +12.3% to MBB's −0.8%; 0% of their weight is in the same names.

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Net assets on Oct 28, 2026: $190.4bn for iShares Core MSCI EAFE ETF and $35.5bn for iShares MBS ETF.

IEFA on its own →MBB on its own →

At a glance

+12.3%

IEFA total return, 1 year

−0.8%

MBB total return, 1 year

0.07%

IEFA expense ratio

0.04%

MBB expense ratio

Pair scorecard

MBB costs 0.03 points a year less; their one-year returns differ by 13.1 points; IEFA is 5.4 times larger.

IEFA vs MBB: Differences, Returns & Fees
Measure	IEFA	MBB
Return
Measure	IEFA	MBB
Total return, 1 year	+12.3%	−0.8%
Drawdown
Measure	IEFA	MBB
Below its high	4.7%, high on Aug 25, 2026
Benchmark
Measure	IEFA	MBB
What it tracks	MSCI EAFE IMI Index	Bloomberg U.S. MBS Index
Cost and size
Measure	IEFA	MBB
Expense ratio	0.07%	0.04%
Net assets	$190.4bn	$35.5bn
Holdings
Measure	IEFA	MBB
Holdings in common	0%
In the S&P 500, by weight	0%
Top ten holdings, share of the fund	12.3%

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

What they share

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

Only in one fund ↓

Only in IEFA

ASML HOLDING 2.55%

ROCHE PS PAR AG 1.36%

SHELL 1.21%

HSBC HOLDINGS PLC 1.18%

NOVARTIS AG 1.14%

ASTRAZENECA PLC 1.04%

NESTLE SA 1.04%

SAP 0.97%

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%

Check overlap with more funds →

Side by side

IEFA iShares Core MSCI EAFE ETF MBB iShares MBS ETF

Where it sits Stock ETF Bond ETF

Issuer iShares iShares

What it is Tracks the MSCI EAFE Tracks an index of mortgage-backed securities

Total return, 1 year +12.3% −0.8%

Its benchmark over the same days +14.3% (ACWX) −1.1% (SPMB)

Gap to its benchmark −2.0 pts vs ACWX +0.3 pts vs SPMB

Expense ratio 0.07% 0.04%

Holdings 2629 10813

Net assets $190.4bn $35.5bn

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

Alert

About each fund

IEFA

IEFA tracks the MSCI EAFE. Over the year to Oct 28, 2026 it returned +12.3% with distributions reinvested, against +14.3% for its benchmark, the MSCI ACWI ex USA Index. The prospectus expense ratio is 0.07% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 2,629 positions, with the top ten at 12.3%. It sat 4.7% below its high of Aug 25, 2026 on Oct 28, 2026.

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.

Questions people ask

Which returned more over the last year, IEFA or MBB?: In the year to Oct 28, 2026, with distributions reinvested, IEFA returned +12.3% and MBB −0.8%.
Which is cheaper, IEFA or MBB?: MBB is cheaper, by 0.03 percentage points a year. That is about $3 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

IEFA vs TLT IEFA vs IUSB IEFA vs IGSB IEFA vs SHV MBB vs VXUS MBB vs VEA ACWX vs MBB EFA vs MBB

Where to next

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

Sources and dates

IEFA and MBB filings on SEC EDGAR ↗

IEFA prospectus with the expense ratio (SEC) ↗

iShares page for IEFA ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

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

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