Which returned more over the last year, MDY or SPSB?

In the year to Sep 13, 2026, with distributions reinvested, MDY returned +13.0% and SPSB returned +2.5%, so MDY returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MDY or SPSB?

MDY charges 0.23% a year and SPSB charges 0.04%, so SPSB 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

MDY vs SPSB: how they differ

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

SPDR S&P MidCap 400 ETF Trust and State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF.

What they hold in common

By the books each fund has filed, MDY and SPSB 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 MDY	Only in SPSB
Twilio Inc. Class A 1.00%	SALESFORCE INC 0.59%
Illumina Inc. 0.86%	AERCAP IRELAND CAP/GLOBA 0.46%
TechnipFMC plc 0.86%	BANK OF AMERICA CORP 0.44%
Everpure Inc. Class A 0.84%	CITIGROUP INC 0.44%
Okta Inc. Class A 0.81%	MORGAN STANLEY 0.40%
U.S. Dollar 0.80%	JPMORGAN CHASE & CO 0.39%
ATI Inc 0.77%	PFIZER INVESTMENT ENTER 0.39%
nVent Electric plc 0.71%	SPRINT CAPITAL CORP 0.39%

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 Sep 10, 2026.

MDY and SPSB on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
	MDY SPDR S&P MidCap 400 ETF Trust	SPSB State Street(R) SPDR(R) Portfolio Short Term Corporate Bond ETF
Where it sits	Core index fund	Core index fund
Issuer	State Street	State Street
What it is	S&P MidCap 400	SPDR Portfolio Short Term Corporate Bond
Total return, 1 year	+13.0%	+2.5%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−4.5 pts	−15.1 pts
Expense ratio	0.23%	0.04%
Holdings	401	1599

MDY in plain words

MDY is an index equity fund tracking the S&P MidCap 400. Over the year to Sep 11, 2026 it returned +13.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.23% a year. By its holdings filed for Sep 10, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 401 positions, with the top ten at 7.9%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.

SPSB in plain words

SPSB is a bond fund tracking the SPDR Portfolio Short Term Corporate Bond. Over the year to Sep 11, 2026 it returned +2.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.04% a year.

Questions people ask

Which returned more over the last year, MDY or SPSB?: In the year to Sep 13, 2026, with distributions reinvested, MDY returned +13.0% and SPSB returned +2.5%, so MDY returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MDY or SPSB?: MDY charges 0.23% a year and SPSB charges 0.04%, so SPSB is cheaper. Fees come from each fund's prospectus.

Other comparisons

Where to next

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.

MDY against SPSB, 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, MDY against SPSB, data as of Sep 13, 2026. https://etfiq.com/compare/any/mdy-vs-spsb Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources