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IWOvsVTWGETF Comparison

ETF 1

IWO

iShares Russell 2000 Growth ETF

This fund is part of

US Small Cap Growth

+0.65%

Full IWO fund page

VS

ETF 2

VTWG

Vanguard Russell 2000 Growth ETF

This fund is part of

US Small Cap Growth

+0.65%

Full VTWG fund page

The ETFs iShares Russell 2000 Growth ETF (IWO) and Vanguard Russell 2000 Growth ETF (VTWG) track the Russell 2000 Growth Total Return Index - USD and belong to the same industry segment: US Small Cap Growth. Both ETFs have the same top 3 sector exposures: Healthcare, Technology and Industrials. IWO is more expensive with a Total Expense Ratio (TER) of 0.24%, versus 0.06% for VTWG. IWO is up 10.51% year-to-date (YTD) with -$393M in YTD flows. VTWG performs better with 10.66% YTD performance, and +$160M in YTD flows. Run a side-by-side ETF comparison of IWO and VTWG 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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IWO vs VTWG performance and flow charts

Performance

Cumulative Flows

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Data Services

Historic performance and flows

Data as of 10/28/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IWO VTWG	-0.50%-0.49%	-4.09%-4.07%	+10.51%+10.66%	+7.83%+7.99%	+77.24%+77.93%	+20.01%+20.63%
Flows	IWO VTWG	-$58M+$4M	+$391M+$8M	-$393M+$160M	-$173M+$203M	-$473M+$264M	-$72M+$446M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IWO VTWG	+18.65%+18.65%	+21.95%+21.89%	+22.93%+22.80%	+24.66%+24.74%
Max drawdown	IWO VTWG	-14.22%-14.19%	-14.82%-14.80%	-28.47%-28.47%	-40.45%-40.46%
Max drawdown duration	IWO VTWG	73d73d	84d84d	280d280d	1409d1409d

Trading data

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	IWO	VTWG
Last sale 10/29/2026 at 1:30 PM	$359.77	$262.78
Previous close 10/28/2026	$356.22	$260.01
Consolidated volume 10/28/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of September 30, 2026

1-year trailing difference

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	IWO	VTWG
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 10/29/2026 at 1:30 PM

Live

Closed

	IWO	VTWG
Last price	$359.77	$262.78
1D performance	+1.00%	+1.07%
AuM	$14.13 B	$1.43 B
E/R	0.24%	0.06%

Characteristics

	IWO	VTWG
Management strategy	Passive	Passive
Provider	iShares	Vanguard
Benchmark	Russell 2000 Growth Index	Russell 2000 Growth Index
N° of holdings	1092	1109
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	July 24, 2000	September 20, 2010
ESG	No	No

More IWO data on Trackinsight

More VTWG data on Trackinsight

Exposure

Countries

IWO

USA

96.25%

Other

3.75%

VTWG

USA

94.39%

Other

5.61%

Sectors

IWO

Healthcare

29.75%

Technology

17.87%

Industrials

13.23%

Finance

13.15%

Other

26%

VTWG

Healthcare

29.26%

Technology

17.45%

Industrials

13%

Finance

13%

Other

27.28%

Diversification

IWO

Total weight of top 15 holdings out of 15

8.77%

VTWG

Total weight of top 15 holdings out of 15

8.61%

Top 15 holdings

Data as of August 31, 2026

IWO

JFrog Ltd.

0.69%

Moog, Inc.

0.67%

Glaukos Corp.

0.65%

Brinker International, Inc.

0.63%

BrightSpring Health Services, Inc.

0.60%

Krystal Biotech, Inc.

0.59%

Protagonist Therapeutics, Inc.

0.57%

Twist Bioscience Corp.

0.57%

FirstCash Holdings, Inc.

0.56%

Crinetics Pharmaceuticals, Inc.

0.56%

Praxis Precision Medicines, Inc.

0.55%

InterDigital, Inc.

0.55%

Ryman Hospitality Properties, Inc.

0.54%

HealthEquity, Inc.

0.52%

TG Therapeutics, Inc.

0.50%

VTWG

JFrog Ltd.

0.68%

Moog, Inc.

0.66%

Glaukos Corp.

0.64%

Brinker International, Inc.

0.62%

BrightSpring Health Services, Inc.

0.59%

Krystal Biotech, Inc.

0.58%

Protagonist Therapeutics, Inc.

0.56%

Twist Bioscience Corp.

0.56%

FirstCash Holdings, Inc.

0.55%

Crinetics Pharmaceuticals, Inc.

0.55%

Praxis Precision Medicines, Inc.

0.55%

InterDigital, Inc.

0.54%

Ryman Hospitality Properties, Inc.

0.53%

HealthEquity, Inc.

0.51%

TG Therapeutics, Inc.

0.49%

Frequently asked questions about IWO and VTWG

IWOvsVTWGETF Comparison

iShares Russell 2000 Growth ETF

Vanguard Russell 2000 Growth ETF

IWO vs VTWG performance and flow charts

Performance

Cumulative Flows

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Countries

Sectors

Diversification

Top 15 holdings

How have the IWO and VTWG ETFs performed in 2026?

As of October 28, 2026, IWO is up 10.51% year-to-date (YTD), while VTWG has returned 10.66%. That puts VTWG better performer ahead so far this year.

Which ETF is attracting more investor money: IWO or VTWG?

Year-to-date, the IWO ETF saw -$393M in flows, compared to +$160M for VTWG.

Which ETF is more volatile: IWO or VTWG?

Over the past year, IWO had a volatility of 21.95%, while VTWG experienced 21.89%.

Which ETF is bigger: IWO or VTWG?

As of October 28, 2026, IWO holds $14.13 B in assets under management (AUM), while VTWG manages $1.43 B.

What sectors do the IWO and VTWG ETFs invest in?

IWO leans toward sectors like Healthcare, Technology and Industrials. Meanwhile, VTWG focuses on Healthcare, Technology and Industrials.

What are the top holdings of the IWO ETF and VTWG ETF?

IWO top holdings include JFrog Ltd., Moog, Inc. and Glaukos Corp.. VTWG holds in its top three: JFrog Ltd., Moog, Inc. and Glaukos Corp..

Which ETF is more diversified: IWO or VTWG?

IWO holds 1100 securities with 8.77% of its assets in the top 15. VTWG has 1128 securities and a top 15 weight of 8.61%.

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