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

In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and SPYG returned +17.9%, so SPYG returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MBB or SPYG?

MBB charges 0.04% a year and SPYG charges 0.04%, 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 SPYG: how they differ

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

iShares MBS ETF and State Street(R) SPDR(R) Portfolio S&P 500(R) Growth ETF.

What they hold in common

By the books each fund has filed, MBB and SPYG 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 SPYG
Freddie Mac 1.07%	NVIDIA Corp 13.66%
Government National Mortgage Association 0.97%	Microsoft Corp 7.81%
UMBS, TBA 0.85%	Apple Inc 5.99%
Government National Mortgage Association 0.69%	Alphabet Inc 5.91%
UMBS, TBA 0.66%	Broadcom Inc 5.04%
Government National Mortgage Association 0.56%	Alphabet Inc 4.71%
Government National Mortgage Association 0.55%	Micron Technology Inc 3.67%
Government National Mortgage Association 0.54%	Meta Platforms Inc 3.49%

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 Jun 30, 2026 and May 31, 2026.

MBB and SPYG on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	MBB iShares MBS ETF	SPYG State Street(R) SPDR(R) Portfolio S&P 500(R) Growth ETF
Where it sits	Core index fund	Core index fund
Issuer	iShares	State Street
What it is	Mbs	SPDR Portfolio S&P 500 Growth
Total return, 1 year	−0.1%	+17.9%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−17.6 pts	+0.4 pts
Expense ratio	0.04%	0.04%
Holdings	11144	147

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.

SPYG in plain words

SPYG is an index equity fund tracking the SPDR Portfolio S&P 500 Growth. Over the year to Sep 11, 2026 it returned +17.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 147 positions, with the top ten at 56.4%.

Questions people ask

Which returned more over the last year, MBB or SPYG?: In the year to Sep 12, 2026, with distributions reinvested, MBB returned −0.1% and SPYG returned +17.9%, so SPYG returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MBB or SPYG?: MBB charges 0.04% a year and SPYG charges 0.04%, 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 SPYG, 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 SPYG, data as of Sep 12, 2026. https://etfiq.com/compare/any/MBB-SPYG Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources