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IWPvsNUMGETF Comparison

ETF 1

IWP

iShares Russell Mid-Cap Growth ETF

This fund is part of

US Mid Cap Growth

+1.37%

Full IWP fund page

VS

ETF 2

NUMG

NuShares ESG Mid-Cap Growth ETF

This fund is part of

US Mid Cap Growth

+1.37%

Full NUMG fund page

iShares Russell Mid-Cap Growth ETF (IWP) and NuShares ESG Mid-Cap Growth ETF (NUMG) belong to the same industry segment: US Mid Cap Growth. IWP's top 3 sector exposures are Industrials, Consumer Discretionary and Information Technology. In contrast, NUMG's top sector exposures are Industrials, Information Technology and Health Care. IWP is less expensive with a Total Expense Ratio (TER) of 0.23%, versus 0.31% for NUMG. IWP is up 3.88% year-to-date (YTD) with -$426M in YTD flows. NUMG performs worse with -5.3% YTD performance, and -$23M in YTD flows. Run a side-by-side ETF comparison of IWP and NUMG 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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IWP vs NUMG 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 06/18/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IWP NUMG	+4.50%+0.12%	+8.44%+7.17%	+3.88%-5.30%	+5.79%-3.36%	+52.06%+18.70%	+33.55%-1.70%
Flows	IWP NUMG	+$471M-$6M	-$178M-$8M	-$426M-$23M	+$1.05B-$42M	+$1.71B-$67M	+$1.31B+$85M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IWP NUMG	+20.14%+21.71%	+17.19%+18.78%	+19.55%+20.10%	+22.46%+23.07%
Max drawdown	IWP NUMG	-5.74%-7.06%	-14.82%-19.66%	-25.34%-26.47%	-38.70%-38.67%
Max drawdown duration	IWP NUMG	19d16d	234d326d	134d557d	1059d1675d

Trading data

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	IWP	NUMG
Last sale 6/18/2026 at 1:30 PM	$141.95	$45.25
Previous close 06/18/2026	$140.61	$45.05
Consolidated volume 06/18/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of May 29, 2026

1-year trailing difference

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

Main metrics

Last update 6/18/2026 at 1:30 PM

Live

Closed

	IWP	NUMG
Last price	$141.95	$45.25
1D performance	+0.95%	+0.44%
AuM	$20.80 B	$359.56 M
E/R	0.23%	0.31%

Characteristics

	IWP	NUMG
Management strategy	Passive	Passive
Provider	iShares	Nuveen
Benchmark	Russell Midcap Growth Index	MSCI TIAA ESG USA Mid-Cap Growth Index
N° of holdings	242	38
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	July 17, 2001	December 13, 2016
ESG	No	Yes

More IWP data on Trackinsight

More NUMG data on Trackinsight

Exposure

Countries

IWP

USA

93.8%

Other

6.2%

NUMG

USA

98.49%

Other

1.51%

Sectors

IWP

Industrials

21.69%

Consumer Discreti.

19.59%

Information Techn.

18.11%

Health Care

13.22%

Other

27.38%

NUMG

Industrials

26.12%

Information Techn.

25.88%

Health Care

14.47%

Consumer Discreti.

12.43%

Other

21.11%

Diversification

IWP

Total weight of top 15 holdings out of 15

33.73%

NUMG

Total weight of top 15 holdings out of 15

55.28%

Top 15 holdings

Data as of April 30, 2026

IWP

VERTIV HOLDINGS

4.22%

HOWMET AEROSPACE INC

3.29%

QUANTA SERVICES

2.81%

MONOLITHIC POWER SYSTEMS

2.52%

HILTON INC

2.50%

ROYAL CARIBBEAN GROUP

2.26%

CLOUDFLARE INC

2.17%

COMFORT SYSTEMS USA

2.16%

AMERISOURCEBERGEN

1.91%

TARGA RESOURCS

1.87%

CARVANA CO

1.81%

VISTRA CORP

1.80%

IDEXX LABORATORIES

1.51%

WW GRAINGER

1.47%

FASTENAL

1.43%

NUMG

QUANTA SERVICES

6.52%

CIENA

5.54%

COMFORT SYSTEMS USA

4.86%

CARVANA CO

4.38%

WW GRAINGER

4.09%

IDEXX LABORATORIES

3.57%

DATADOG

3.53%

EMCOR GROUP

3.44%

ALNYLAM PHARMACEUTICALS

3.28%

INTERACTIVE BROKERS GROUP

3.18%

AXON ENTERPRISE INC

2.82%

LIVE NATION

2.59%

VERISK ANALYTICS

2.58%

VEEVA SYSTEMS IN

2.46%

TAKE TWO

2.45%

Frequently asked questions about IWP and NUMG

How have the IWP and NUMG ETFs performed in 2026?

As of June 18, 2026, IWP is up 3.88% year-to-date (YTD), while NUMG has lost -5.3%. That puts IWP better performer ahead so far this year.

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

Year-to-date, the IWP ETF saw -$426M in flows, compared to -$23M for NUMG.

Which ETF is more volatile: IWP or NUMG?

Over the past year, IWP had a volatility of 17.19%, while NUMG experienced 18.78%.

Which ETF is bigger: IWP or NUMG?

As of June 18, 2026, IWP holds $20.80 B in assets under management (AUM), while NUMG manages $359.56 M.

What sectors do the IWP and NUMG ETFs invest in?

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

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

IWP top holdings include VERTIV HOLDINGS, HOWMET AEROSPACE INC and QUANTA SERVICES. NUMG holds in its top three: QUANTA SERVICES, CIENA and COMFORT SYSTEMS USA.

IWPvsNUMGETF Comparison

iShares Russell Mid-Cap Growth ETF

NuShares ESG Mid-Cap Growth ETF

IWP vs NUMG 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 IWP and NUMG ETFs performed in 2026?

As of June 18, 2026, IWP is up 3.88% year-to-date (YTD), while NUMG has lost -5.3%. That puts IWP better performer ahead so far this year.

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

Year-to-date, the IWP ETF saw -$426M in flows, compared to -$23M for NUMG.

Which ETF is more volatile: IWP or NUMG?

Over the past year, IWP had a volatility of 17.19%, while NUMG experienced 18.78%.

Which ETF is bigger: IWP or NUMG?

As of June 18, 2026, IWP holds $20.80 B in assets under management (AUM), while NUMG manages $359.56 M.

What sectors do the IWP and NUMG ETFs invest in?

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

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

IWP top holdings include VERTIV HOLDINGS, HOWMET AEROSPACE INC and QUANTA SERVICES. NUMG holds in its top three: QUANTA SERVICES, CIENA and COMFORT SYSTEMS USA.

Which ETF is more diversified: IWP or NUMG?

IWP holds 278 securities with 33.73% of its assets in the top 15. NUMG has 40 securities and a top 15 weight of 55.28%.

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