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

ETFIQetfiq.com · independent ETF data

COWZ vs MDY: how they differ

COWZ and MDY hold 2% of their weight in the same names, and COWZ returned more over the year.

Pacer US Cash Cows 100 ETF and SPDR S&P MidCap 400 ETF Trust.

What they hold in common

By the books each fund has filed, COWZ and MDY hold 2% of their money in the same securities at the same weight.

Positions COWZ and MDY both hold, largest shared weight first
HoldingCOWZMDY
TechnipFMC PLC0.58%0.73%
Tenet Healthcare Corp0.63%0.45%
United Therapeutics Corp0.41%0.64%
Twilio Inc0.36%0.86%
Illumina Inc0.31%0.73%
Largest positions each one holds and the other does not
Only in COWZOnly in MDY
QUALCOMM Inc 2.67%CARPENTER TECHNOLOGY CORP 0.85%
Altria Group Inc 2.21%MKS INC 0.83%
ConocoPhillips 2.17%CURTISS-WRIGHT CORP 0.77%
CVS Health Corp 2.16%ENTEGRIS INC 0.76%
Bristol-Myers Squibb Co 2.03%NVENT ELECTRIC PLC 0.76%
Ford Motor Co 2.01%ATI INC 0.74%
Uber Technologies Inc 2.01%STERLING INFRASTRUCTURE INC 0.71%
Pfizer Inc 2.00%MASTEC INC 0.71%

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 Jun 30, 2026.

COWZ and MDY on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
COWZ
Pacer US Cash Cows 100 ETF
MDY
SPDR S&P MidCap 400 ETF Trust
Where it sitsCore index fundCore index fund
IssuerPacerState Street
What it isUS Cash Cows 100S&P MidCap 400, book from IJH
Total return, 1 year+23.4%+13.0%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500+5.9 pts−4.5 pts
Expense ratio0.49%0.23%
Already in the S&P 50095.8%0.0%
Holdings100400

COWZ in plain words

COWZ is an index equity fund tracking the US Cash Cows 100. Over the year to Sep 11, 2026 it returned +23.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.49% a year. By its holdings filed for Apr 30, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 100 positions, with the top ten at 21.2%. It sat 3.2% below its high of Sep 3, 2026 on Sep 11, 2026.

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.

Questions people ask

Which returned more over the last year, COWZ or MDY?
In the year to Sep 12, 2026, with distributions reinvested, COWZ returned +23.4% and MDY returned +13.0%, so COWZ returned more. One year is one year; the longer windows are in the table.
Which is cheaper, COWZ or MDY?
COWZ charges 0.49% a year and MDY charges 0.23%, so MDY is cheaper. Fees come from each fund's prospectus.
How much do COWZ and MDY overlap with the S&P 500?
By their latest filed holdings, 96% of COWZ and 0% of MDY by weight is stocks the S&P 500 already holds. Between the two funds, 2% 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.

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

A comparison is not a recommendation. Standards and sources