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

In the year to Sep 12, 2026, with distributions reinvested, MDY returned +13.0% and VXF returned +14.1%, so VXF returned more. One year is one year; the longer windows are in the table.

Which is cheaper, MDY or VXF?

MDY charges 0.23% a year and VXF charges 0.05%, so VXF is cheaper. Fees come from each fund's prospectus.

How much do MDY and VXF overlap with the S&P 500?

By their latest filed holdings, 0% of MDY and 0% of VXF by weight is stocks the S&P 500 already holds. Between the two funds, 40% of their books are the same securities at the same weight.

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

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MDY vs VXF: how they differ

MDY and VXF hold 40% of their weight in the same names, and VXF returned more over the year.

SPDR S&P MidCap 400 ETF Trust and Vanguard Extended Market Index Fund.

What they hold in common

By the books each fund has filed, MDY and VXF hold 40% of their money in the same securities at the same weight.

Positions MDY and VXF both hold, largest shared weight first
Holding	MDY	VXF
TWILIO INC	0.86%	0.37%
CARPENTER TECHNOLOGY CORP	0.85%	0.36%
MKS INC	0.83%	0.35%
CURTISS-WRIGHT CORP	0.77%	0.33%
ENTEGRIS INC	0.76%	0.32%
ATI INC	0.74%	0.32%
ILLUMINA INC	0.73%	0.31%
STERLING INFRASTRUCTURE INC	0.71%	0.30%
MASTEC INC	0.71%	0.30%
WOODWARD INC	0.70%	0.30%
MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC	0.69%	0.29%
EVERPURE INC	0.69%	0.29%

Largest positions each one holds and the other does not
Only in MDY	Only in VXF
NVENT ELECTRIC PLC 0.76%	Space Exploration Technologies Corp 1.19%
TECHNIPFMC PLC 0.73%	Snowflake Inc 1.03%
FABRINET 0.56%	Bloom Energy Corp 0.93%
ROIVANT SCIENCES LTD 0.44%	Cloudflare Inc 0.92%
JAZZ PHARMACEUTICALS PLC 0.42%	Astera Labs Inc 0.76%
RENAISSANCERE HOLDINGS LTD 0.37%	Rocket Lab Corp 0.61%
SHARKNINJA INC 0.30%	Cheniere Energy Inc 0.59%
CNH INDUSTRIAL NV 0.27%	Ferguson Enterprises Inc 0.54%

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.

MDY and VXF on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
	MDY SPDR S&P MidCap 400 ETF Trust	VXF Vanguard Extended Market Index Fund
Where it sits	Core index fund	Core index fund
Issuer	State Street	Vanguard
What it is	S&P MidCap 400, book from IJH	Extended Market
Total return, 1 year	+13.0%	+14.1%
S&P 500 over the same days	+17.5%	+17.5%
Gap to the S&P 500	−4.5 pts	−3.4 pts
Expense ratio	0.23%	0.05%
Already in the S&P 500	0.0%	0.0%
Holdings	400	3365

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 Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 400 positions, with the top ten at 7.7%. It sat 5.3% below its high of Aug 14, 2026 on Sep 11, 2026.

VXF in plain words

VXF is an index equity fund tracking the Extended Market. Over the year to Sep 11, 2026 it returned +14.1% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.05% a year. By its holdings filed for Jun 30, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 3365 positions, with the top ten at 7.6%. It sat 5.1% below its high of Aug 14, 2026 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, MDY or VXF?: In the year to Sep 12, 2026, with distributions reinvested, MDY returned +13.0% and VXF returned +14.1%, so VXF returned more. One year is one year; the longer windows are in the table.
Which is cheaper, MDY or VXF?: MDY charges 0.23% a year and VXF charges 0.05%, so VXF is cheaper. Fees come from each fund's prospectus.
How much do MDY and VXF overlap with the S&P 500?: By their latest filed holdings, 0% of MDY and 0% of VXF by weight is stocks the S&P 500 already holds. Between the two funds, 40% of their books are the same securities at the same weight.

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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.

MDY against VXF, 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, MDY against VXF, data as of Sep 12, 2026. https://etfiq.com/compare/any/MDY-VXF Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources