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IWOvsVTWGETF Comparison

ETF 1

IWO

iShares Russell 2000 Growth ETF

This fund is part of

US Small Cap Growth

-0.17%

Full IWO fund page

VS

ETF 2

VTWG

Vanguard Russell 2000 Growth ETF

This fund is part of

US Small Cap Growth

-0.17%

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: Health Care, Information Technology and Industrials. IWO is more expensive with a Total Expense Ratio (TER) of 0.24%, versus 0.06% for VTWG. IWO is up 8.68% year-to-date (YTD) with -$756M in YTD flows. VTWG performs better with 8.72% YTD performance, and +$66M 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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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.	IWO VTWG	+16.62%+16.62%	+2.49%+1.97%	+8.68%+8.72%	+38.25%+39.47%	+59.15%+60.29%	+16.71%+16.34%
Flows	IWO VTWG	-$46M-$2M	-$443M+$2M	-$756M+$66M	-$1.16B+$72M	-$994M+$201M	-$618M+$341M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IWO VTWG	+25.86%+25.58%	+21.41%+21.36%	+22.44%+22.32%	+24.56%+24.69%
Max drawdown	IWO VTWG	-12.18%-12.56%	-14.82%-14.80%	-28.47%-28.47%	-40.45%-40.46%
Max drawdown duration	IWO VTWG	63d75d	84d84d	280d280d	1409d1409d

Trading data

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	IWO	VTWG
Last sale 4/29/2026 at 1:30 PM	$351.33	$256.27
Previous close 04/29/2026	$351.50	$256.32
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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	IWO	VTWG
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

	IWO	VTWG
Last price	$351.33	$256.27
1D performance	-0.05%	-0.02%
AuM	$13.59 B	$1.32 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	897	904
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

93.17%

Other

6.83%

VTWG

USA

91.51%

Other

8.49%

Sectors

IWO

Health Care

21.43%

Information Techn.

20.12%

Industrials

19.42%

Consumer Discreti.

8.17%

Financials

7.05%

Other

23.81%

VTWG

Health Care

21.1%

Information Techn.

19.76%

Industrials

19.11%

Consumer Discreti.

8.04%

Other

31.99%

Diversification

IWO

Total weight of top 15 holdings out of 15

13.39%

VTWG

Total weight of top 15 holdings out of 15

13.15%

Top 15 holdings

Data as of March 31, 2026

IWO

BLOOM ENERGY CORP

1.99%

FABRINET

1.26%

CREDO TECHNOLOGY GROUP HOLDING

1.02%

US65290E1010

0.94%

KRATOS DEFENSE AND SECURITY SOLS

0.86%

ADVANCED ENERGY INDUSTRIES

0.82%

STERLING INFRASTRUCTURE INC

0.81%

BRIDGEBIO PHARMA

0.79%

GUARDANT HEALTH INC

0.77%

MODINE MNFC CO

0.76%

ENSIGN GROUP

0.76%

IONQ

0.67%

DYCOM INDUSTRIES

0.66%

US78473E1038

0.65%

COEUR MINING INC

0.64%

VTWG

BLOOM ENERGY CORP

1.96%

FABRINET

1.24%

CREDO TECHNOLOGY GROUP HOLDING

1.00%

US65290E1010

0.93%

KRATOS DEFENSE AND SECURITY SOLS

0.84%

ADVANCED ENERGY INDUSTRIES

0.80%

STERLING INFRASTRUCTURE INC

0.80%

BRIDGEBIO PHARMA

0.78%

GUARDANT HEALTH INC

0.76%

MODINE MNFC CO

0.75%

ENSIGN GROUP

0.75%

DYCOM INDUSTRIES

0.65%

US78473E1038

0.64%

COEUR MINING INC

0.63%

CHART INDUSTRIES

0.62%

Frequently asked questions about IWO and VTWG

How have the IWO and VTWG ETFs performed in 2026?

As of April 29, 2026, IWO is up 8.68% year-to-date (YTD), while VTWG has returned 8.72%. 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 -$756M in flows, compared to +$66M for VTWG.

Which ETF is more volatile: IWO or VTWG?

Over the past year, IWO had a volatility of 21.41%, while VTWG experienced 21.36%.

Which ETF is bigger: IWO or VTWG?

As of April 29, 2026, IWO holds $13.59 B in assets under management (AUM), while VTWG manages $1.32 B.

What sectors do the IWO and VTWG ETFs invest in?

IWO leans toward sectors like Health Care, Information Technology and Industrials. Meanwhile, VTWG focuses on Health Care, Information Technology and Industrials.

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

IWO top holdings include BLOOM ENERGY CORP, FABRINET and CREDO TECHNOLOGY GROUP HOLDING. VTWG holds in its top three: BLOOM ENERGY CORP, FABRINET and CREDO TECHNOLOGY GROUP HOLDING.

IWOvsVTWGETF Comparison

iShares Russell 2000 Growth ETF

Vanguard Russell 2000 Growth ETF

IWO vs VTWG 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 IWO and VTWG ETFs performed in 2026?

As of April 29, 2026, IWO is up 8.68% year-to-date (YTD), while VTWG has returned 8.72%. 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 -$756M in flows, compared to +$66M for VTWG.

Which ETF is more volatile: IWO or VTWG?

Over the past year, IWO had a volatility of 21.41%, while VTWG experienced 21.36%.

Which ETF is bigger: IWO or VTWG?

As of April 29, 2026, IWO holds $13.59 B in assets under management (AUM), while VTWG manages $1.32 B.

What sectors do the IWO and VTWG ETFs invest in?

IWO leans toward sectors like Health Care, Information Technology and Industrials. Meanwhile, VTWG focuses on Health Care, Information Technology and Industrials.

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

IWO top holdings include BLOOM ENERGY CORP, FABRINET and CREDO TECHNOLOGY GROUP HOLDING. VTWG holds in its top three: BLOOM ENERGY CORP, FABRINET and CREDO TECHNOLOGY GROUP HOLDING.

Which ETF is more diversified: IWO or VTWG?

IWO holds 1099 securities with 13.39% of its assets in the top 15. VTWG has 1118 securities and a top 15 weight of 13.15%.

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