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

In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and SPMO returned +24.5%, so SPMO returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or SPMO?

MBB charges 0.04% a year and SPMO charges 0.13%, so MBB is cheaper. Fees come from each fund's prospectus.

Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

MBB vs SPMO: how they differ

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

iShares MBS ETF and Invesco S&P 500 Momentum ETF.

What they hold in common

By the books each fund has filed, MBB and SPMO 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 SPMO
BLACKROCK CASH CL INST SL AGENCY 7.26%	Micron Technology Inc 11.01%
GNMA2 SF 30YR 0.09%	NVIDIA Corp 8.93%
GNMA II 30YR SF - JUMBO-CONFORMING 0.08%	Broadcom Inc 6.24%
GNMA2 SINGLE FAMILY 30YR 0.04%	Johnson & Johnson 4.64%
GNMA II 30YR 0.03%	Alphabet Inc 4.29%
GNMA2 30YR TBA(REG C) 0.03%	Advanced Micro Devices Inc 4.12%
UMBS 15YR TBA(REG B) 0.03%	Alphabet Inc 3.42%
FNMA 30YR UMBS MEGA REMIC SUPER 0.02%	Lam Research Corp 3.38%

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 and SPMO on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	SPMO Invesco S&P 500 Momentum ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	Invesco
What it is	Mbs	S&P 500 Momentum
Total return, 1 year	−0.1%	+24.5%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	+7.0 pts
Expense ratio	0.04%	0.13%
Holdings	2599	101

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.

SPMO in plain words

SPMO is an index equity fund tracking the S&P 500 Momentum. Over the year to Sep 11, 2026 it returned +24.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.13% 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 101 positions, with the top ten at 51.9%. It sat 8.3% below its high of Jun 22, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MBB or SPMO?: In the year to Sep 13, 2026, with distributions reinvested, MBB returned −0.1% and SPMO returned +24.5%, so SPMO returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or SPMO?: MBB charges 0.04% a year and SPMO charges 0.13%, 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 SPMO, ETFIQ, data as of Sep 13, 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 SPMO, data as of Sep 13, 2026. https://etfiq.com/compare/any/mbb-vs-spmo Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources