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MDYGvsMCOWETF Comparison

ETF 1

MDYG

State Street SPDR S&P 400 Mid Cap Growth ETF

This fund is part of

US Mid Cap Growth

+0.16%

Full MDYG fund page

VS

ETF 2

MCOW

Pacer S&P MidCap 400 Quality FCF Aristocrats ETF

This fund is part of

US Multi-Factor

-0.03%

Full MCOW fund page

State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) belongs to the US Mid Cap Growth segment. Pacer S&P MidCap 400 Quality FCF Aristocrats ETF (MCOW) is part of the US Multi-Factor segment. MDYG's top 3 sector exposures are Industrials, Technology and Healthcare. In contrast, MCOW's top sector exposures are Technology, Industrials and Healthcare. MDYG is less expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.49% for MCOW. MDYG is up 13.86% year-to-date (YTD) with +$4M in YTD flows. MCOW performs worse with 9.47% YTD performance, and -$4K in YTD flows. Run a side-by-side ETF comparison of MDYG and MCOW below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.

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MDYG vs MCOW performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 09/18/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	MDYG MCOW	-5.72%-3.56%	-4.85%+1.98%	+13.86%+9.47%	+13.67%+3.27%	+51.74%n/a	+43.42%n/a
Flows	MDYG MCOW	+$17M-	-$67M-	+$4M-$4K	+$265K-$4K	+$21M-	+$314M-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	MDYG MCOW	+15.24%+14.74%	+17.66%+17.28%	+18.94%n/a	+20.76%n/a
Max drawdown	MDYG MCOW	-8.24%-6.58%	-9.91%-14.99%	-25.46%n/a	-29.25%n/a
Max drawdown duration	MDYG MCOW	32d36d	45d246d	379dn/a	834dn/a

Trading data

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	MDYG	MCOW
Last sale 9/18/2026 at 1:30 PM	$104.94
Previous close 09/17/2026	$105.01
Consolidated volume 09/17/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of August 31, 2026

1-year trailing difference

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	MDYG	MCOW
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 9/18/2026 at 1:30 PM

Live

Closed

	MDYG	MCOW
Last price	$104.94	–
1D performance	-0.07%	–
AuM	$2.78 B	$1.07 M
E/R	0.15%	0.49%

Characteristics

	MDYG	MCOW
Management strategy	Passive	Passive
Provider	State Street Investment Management	PACER ETFs
Benchmark	S&P MidCap 400 Growth Index	S&P MidCap 400 Quality FCF Aristocrats Index
N° of holdings	245	77
Asset class	Equities	-
Trailing 12m distribution yield	Join	Join
Inception date	November 8, 2005	August 27, 2025
ESG	No	No

More MDYG data on Trackinsight

More MCOW data on Trackinsight

Exposure

Countries

MDYG

USA

94.73%

Other

5.27%

MCOW

USA

93.56%

Other

6.44%

Sectors

MDYG

Industrials

20.61%

Technology

19.17%

Healthcare

15.46%

Finance

14.43%

Non-Energy Materi.

9.26%

Other

21.06%

MCOW

Technology

35.24%

Industrials

17.43%

Healthcare

14.85%

Non-Energy Materi.

9.06%

Other

23.42%

Diversification

MDYG

Total weight of top 15 holdings out of 15

19.58%

MCOW

Total weight of top 15 holdings out of 15

43.14%

Top 15 holdings

Data as of July 31, 2026

MDYG

Twilio, Inc.

1.65%

TechnipFMC plc

1.57%

Curtiss-Wright Corp.

1.47%

Carpenter Technology Corp.

1.42%

ATI, Inc.

1.41%

nVent Electric Plc

1.37%

Everpure, Inc.

1.34%

Okta, Inc.

1.31%

XPO, Inc.

1.30%

United Therapeutics Corp.

1.21%

Tenet Healthcare Corp.

1.20%

Woodward, Inc.

1.18%

RB Global, Inc.

1.12%

Roku, Inc.

1.04%

Sterling Infrastructure, Inc.

1.01%

MCOW

Everpure, Inc.

4.91%

Manhattan Associates, Inc.

3.65%

Lattice Semiconductor Corp.

3.62%

DocuSign, Inc.

3.60%

Medpace Holdings, Inc.

3.58%

Sterling Infrastructure, Inc.

3.03%

Exelixis, Inc.

2.67%

Neurocrine Biosciences, Inc.

2.57%

Jazz Pharmaceuticals Plc

2.52%

Mueller Industries, Inc.

2.32%

Rambus, Inc.

2.29%

Curtiss-Wright Corp.

2.18%

DT Midstream, Inc.

2.15%

Qualys, Inc.

2.03%

Okta, Inc.

2.02%

Frequently asked questions about MDYG and MCOW

How have the MDYG and MCOW ETFs performed in 2026?

As of September 18, 2026, MDYG is up 13.86% year-to-date (YTD), while MCOW has returned 9.47%. That puts MDYG better performer ahead so far this year.

Which ETF is attracting more investor money: MDYG or MCOW?

Year-to-date, the MDYG ETF saw +$4M in flows, compared to -$4K for MCOW.

Which ETF is more volatile: MDYG or MCOW?

Over the past year, MDYG had a volatility of 17.66%, while MCOW experienced 17.28%.

Which ETF is bigger: MDYG or MCOW?

As of September 18, 2026, MDYG holds $2.78 B in assets under management (AUM), while MCOW manages $1.07 M.

What sectors do the MDYG and MCOW ETFs invest in?

MDYG leans toward sectors like Industrials, Technology and Healthcare. Meanwhile, MCOW focuses on Technology, Industrials and Healthcare.

What are the top holdings of the MDYG ETF and MCOW ETF?

MDYG top holdings include Twilio, Inc., TechnipFMC plc and Curtiss-Wright Corp.. MCOW holds in its top three: Everpure, Inc., Manhattan Associates, Inc. and Lattice Semiconductor Corp..

MDYGvsMCOWETF Comparison

State Street SPDR S&P 400 Mid Cap Growth ETF

Pacer S&P MidCap 400 Quality FCF Aristocrats ETF

MDYG vs MCOW performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the MDYG and MCOW ETFs performed in 2026?

As of September 18, 2026, MDYG is up 13.86% year-to-date (YTD), while MCOW has returned 9.47%. That puts MDYG better performer ahead so far this year.

Which ETF is attracting more investor money: MDYG or MCOW?

Year-to-date, the MDYG ETF saw +$4M in flows, compared to -$4K for MCOW.

Which ETF is more volatile: MDYG or MCOW?

Over the past year, MDYG had a volatility of 17.66%, while MCOW experienced 17.28%.

Which ETF is bigger: MDYG or MCOW?

As of September 18, 2026, MDYG holds $2.78 B in assets under management (AUM), while MCOW manages $1.07 M.

What sectors do the MDYG and MCOW ETFs invest in?

MDYG leans toward sectors like Industrials, Technology and Healthcare. Meanwhile, MCOW focuses on Technology, Industrials and Healthcare.

What are the top holdings of the MDYG ETF and MCOW ETF?

MDYG top holdings include Twilio, Inc., TechnipFMC plc and Curtiss-Wright Corp.. MCOW holds in its top three: Everpure, Inc., Manhattan Associates, Inc. and Lattice Semiconductor Corp..

Which ETF is more diversified: MDYG or MCOW?

MDYG holds 245 securities with 19.58% of its assets in the top 15. MCOW has 77 securities and a top 15 weight of 43.14%.

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