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NUMGvsMDYGETF Comparison

ETF 1

NUMG

NuShares ESG Mid-Cap Growth ETF

This fund is part of

US Mid Cap Growth

-0.34%

Full NUMG fund page

VS

ETF 2

MDYG

State Street SPDR S&P 400 Mid Cap Growth ETF

This fund is part of

US Mid Cap Growth

-0.34%

Full MDYG fund page

NuShares ESG Mid-Cap Growth ETF (NUMG) and State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) belong to the same industry segment: US Mid Cap Growth. NUMG's top 3 sector exposures are Information Technology, Industrials and Health Care. In contrast, MDYG's top sector exposures are Industrials, Information Technology and Health Care. NUMG is more expensive with a Total Expense Ratio (TER) of 0.31%, versus 0.15% for MDYG. NUMG is down -9.88% year-to-date (YTD) with -$17M in YTD flows. MDYG performs better with 10.38% YTD performance, and -$48M in YTD flows. Run a side-by-side ETF comparison of NUMG and MDYG 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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NUMG vs MDYG 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 04/29/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	NUMG MDYG	+8.18%+9.92%	-6.10%+4.70%	-9.88%+10.38%	-0.16%+29.56%	+17.79%+53.74%	-8.25%+34.78%
Flows	NUMG MDYG	-$2M+$10M	-$15M-$23M	-$17M-$48M	-$46M-$37M	-$50M+$12M	+$108M+$342M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	NUMG MDYG	+24.00%+21.50%	+18.40%+17.06%	+19.87%+18.62%	+23.01%+20.58%
Max drawdown	NUMG MDYG	-13.20%-9.91%	-19.66%-9.91%	-26.47%-25.46%	-38.67%-29.25%
Max drawdown duration	NUMG MDYG	90d45d	276d45d	507d379d	1625d834d

Trading data

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	NUMG	MDYG
Last sale 4/29/2026 at 1:30 PM	$43.02	$101.93
Previous close 04/29/2026	$43.30	$102.70
Consolidated volume 04/29/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of March 31, 2026

1-year trailing difference

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

Main metrics

Last update 4/29/2026 at 1:30 PM

Live

Closed

	NUMG	MDYG
Last price	$43.02	$101.93
1D performance	-0.65%	-0.75%
AuM	$344.31 M	$2.64 B
E/R	0.31%	0.15%

Characteristics

	NUMG	MDYG
Management strategy	Passive	Passive
Provider	Nuveen	State Street Investment Management
Benchmark	MSCI TIAA ESG USA Mid-Cap Growth Index	S&P MidCap 400 Growth Index
N° of holdings	38	232
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	December 13, 2016	November 8, 2005
ESG	Yes	No

More NUMG data on Trackinsight

More MDYG data on Trackinsight

Exposure

Countries

NUMG

USA

98.81%

Other

1.19%

MDYG

USA

90.47%

Other

9.53%

Sectors

NUMG

Information Techn.

26.13%

Industrials

25.44%

Health Care

15.75%

Consumer Discreti.

12.07%

Other

20.62%

MDYG

Industrials

25.32%

Information Techn.

18.48%

Health Care

14.42%

Consumer Discreti.

9.23%

Other

32.55%

Diversification

NUMG

Total weight of top 15 holdings out of 15

53.54%

MDYG

Total weight of top 15 holdings out of 15

20.19%

Top 15 holdings

Data as of March 31, 2026

NUMG

QUANTA SERVICES

5.99%

CIENA

4.79%

COMFORT SYSTEMS USA

4.11%

WW GRAINGER

4.06%

ALNYLAM PHARMACEUTICALS

3.79%

IDEXX LABORATORIES

3.72%

CARVANA CO

3.58%

DATADOG

3.34%

AXON ENTERPRISE INC

3.11%

EMCOR GROUP

3.10%

VERISK ANALYTICS

2.92%

INTERACTIVE BROKERS GROUP

2.91%

VEEVA SYSTEMS IN

2.88%

LIVE NATION

2.69%

BURLINGTON STORES

2.55%

MDYG

TECHNIPFMC PLC

1.71%

CASEYS GENERAL STORES

1.66%

UTD THERAPEUT

1.57%

CURTISS WRIGHT

1.54%

FLEX LTD

1.48%

XPO LOGISTICS

1.40%

WOODWARD

1.31%

ROYAL GOLD

1.26%

ATI INC

1.21%

MICHAEL STORES

1.21%

CARPENTER TECHNOLOGY

1.20%

NVENT ELECTRIC PLC

1.17%

TWILIO

1.17%

FABRINET

1.15%

BWX TECHNOLOGIES INC

1.15%

Frequently asked questions about NUMG and MDYG

How have the NUMG and MDYG ETFs performed in 2026?

As of April 29, 2026, NUMG is down -9.88% year-to-date (YTD), while MDYG has returned 10.38%. That puts MDYG better performer ahead so far this year.

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

Year-to-date, the NUMG ETF saw -$17M in flows, compared to -$48M for MDYG.

Which ETF is more volatile: NUMG or MDYG?

Over the past year, NUMG had a volatility of 18.4%, while MDYG experienced 17.06%.

Which ETF is bigger: NUMG or MDYG?

As of April 29, 2026, NUMG holds $344.31 M in assets under management (AUM), while MDYG manages $2.64 B.

What sectors do the NUMG and MDYG ETFs invest in?

NUMG leans toward sectors like Information Technology, Industrials and Health Care. Meanwhile, MDYG focuses on Industrials, Information Technology and Health Care.

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

NUMG top holdings include QUANTA SERVICES, CIENA and COMFORT SYSTEMS USA. MDYG holds in its top three: TECHNIPFMC PLC, CASEYS GENERAL STORES and UTD THERAPEUT.

NUMGvsMDYGETF Comparison

NuShares ESG Mid-Cap Growth ETF

State Street SPDR S&P 400 Mid Cap Growth ETF

NUMG vs MDYG 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 NUMG and MDYG ETFs performed in 2026?

As of April 29, 2026, NUMG is down -9.88% year-to-date (YTD), while MDYG has returned 10.38%. That puts MDYG better performer ahead so far this year.

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

Year-to-date, the NUMG ETF saw -$17M in flows, compared to -$48M for MDYG.

Which ETF is more volatile: NUMG or MDYG?

Over the past year, NUMG had a volatility of 18.4%, while MDYG experienced 17.06%.

Which ETF is bigger: NUMG or MDYG?

As of April 29, 2026, NUMG holds $344.31 M in assets under management (AUM), while MDYG manages $2.64 B.

What sectors do the NUMG and MDYG ETFs invest in?

NUMG leans toward sectors like Information Technology, Industrials and Health Care. Meanwhile, MDYG focuses on Industrials, Information Technology and Health Care.

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

NUMG top holdings include QUANTA SERVICES, CIENA and COMFORT SYSTEMS USA. MDYG holds in its top three: TECHNIPFMC PLC, CASEYS GENERAL STORES and UTD THERAPEUT.

Which ETF is more diversified: NUMG or MDYG?

NUMG holds 40 securities with 53.54% of its assets in the top 15. MDYG has 242 securities and a top 15 weight of 20.19%.

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