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

In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and VWO returned +15.6%, so VWO returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or VWO?

MBB charges 0.04% a year and VWO charges 0.06%, so MBB is cheaper. Fees come from each fund's prospectus.

Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

MBB vs VWO: how they differ

MBB and VWO hold 0% of their weight in the same names, and VWO returned more over the year.

iShares MBS ETF and Vanguard Emerging Markets Stock Index Fund.

What they hold in common

By the books each fund has filed, MBB and VWO hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in MBB	Only in VWO
Freddie Mac 1.07%	Taiwan Semiconductor Manufacturing Co Lt 14.73%
Government National Mortgage Association 0.97%	Tencent Holdings Ltd 3.28%
UMBS, TBA 0.85%	Alibaba Group Holding Ltd 2.57%
Government National Mortgage Association 0.69%	Delta Electronics Inc 1.18%
UMBS, TBA 0.66%	MediaTek Inc 1.07%
Government National Mortgage Association 0.56%	Reliance Industries Ltd 0.90%
Government National Mortgage Association 0.55%	HDFC Bank Ltd 0.81%
Government National Mortgage Association 0.54%	Hon Hai Precision Industry Co Ltd 0.75%

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 Apr 30, 2026 and May 31, 2026.

MBB and VWO on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	VWO Vanguard Emerging Markets Stock Index Fund
Where it sits	Core index fund	Core index fund
Issuer	iShares	Vanguard
What it is	Mbs	Emerging markets
Total return, 1 year	−0.1%	+15.6%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	−1.9 pts
Expense ratio	0.04%	0.06%
Holdings	11144	6355

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.

VWO in plain words

VWO is an index equity fund tracking the Emerging markets. Over the year to Sep 11, 2026 it returned +15.6% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.06% a year. By its holdings filed for Apr 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 6355 positions, with the top ten at 26.8%.

Questions people ask

Which returned more over the last year, MBB or VWO?: In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and VWO returned +15.6%, so VWO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or VWO?: MBB charges 0.04% a year and VWO charges 0.06%, so MBB is cheaper. Fees come from each fund's prospectus.

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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.

MBB against VWO, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, MBB against VWO, data as of Sep 12, 2026. https://etfiq.com/compare/any/MBB-VWO Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources