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VTWGvsIWOETF Comparison

ETF 1

VTWG

Vanguard Russell 2000 Growth ETF

This fund is part of

US Small Cap Growth

+0%

Full VTWG fund page

VS

ETF 2

IWO

iShares Russell 2000 Growth ETF

This fund is part of

US Small Cap Growth

+0%

Full IWO fund page

The ETFs Vanguard Russell 2000 Growth ETF (VTWG) and iShares Russell 2000 Growth ETF (IWO) 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: Information Technology, Industrials and Health Care. VTWG is less expensive with a Total Expense Ratio (TER) of 0.06%, versus 0.24% for IWO. VTWG is up 20.79% year-to-date (YTD) with +$112M in YTD flows. IWO performs worse with 20.69% YTD performance, and -$694M in YTD flows. Run a side-by-side ETF comparison of VTWG and IWO 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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VTWG vs IWO 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.	VTWG IWO	+9.16%+9.15%	+23.64%+23.56%	+20.79%+20.69%	+41.66%+41.43%	+66.83%+66.14%	+35.30%+34.68%
Flows	VTWG IWO	+$42M-$84M	+$44M-$125M	+$112M-$694M	+$138M-$566M	+$202M-$701M	+$392M-$348M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	VTWG IWO	+26.04%+26.04%	+22.24%+22.30%	+22.66%+22.79%	+24.81%+24.71%
Max drawdown	VTWG IWO	-6.26%-6.26%	-14.80%-14.82%	-28.47%-28.47%	-40.46%-40.45%
Max drawdown duration	VTWG IWO	13d13d	84d84d	280d280d	1409d1409d

Trading data

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	VTWG	IWO
Last sale 6/18/2026 at 1:30 PM	$284.40	$389.04
Previous close 06/18/2026	$277.57	$380.02
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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	VTWG	IWO
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

	VTWG	IWO
Last price	$284.40	$389.04
1D performance	+2.46%	+2.37%
AuM	$1.51 B	$15.13 B
E/R	0.06%	0.24%

Characteristics

	VTWG	IWO
Management strategy	Passive	Passive
Provider	Vanguard	iShares
Benchmark	Russell 2000 Growth Index	Russell 2000 Growth Index
N° of holdings	898	890
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	September 20, 2010	July 24, 2000
ESG	No	No

More VTWG data on Trackinsight

More IWO data on Trackinsight

Exposure

Countries

VTWG

USA

90.41%

Other

9.59%

IWO

USA

92.8%

Other

7.2%

Sectors

VTWG

Information Techn.

21.28%

Industrials

20.6%

Health Care

18.65%

Consumer Discreti.

7.66%

Other

31.81%

IWO

Information Techn.

21.84%

Industrials

21.02%

Health Care

19.04%

Consumer Discreti.

7.83%

Other

30.27%

Diversification

VTWG

Total weight of top 15 holdings out of 15

15.38%

IWO

Total weight of top 15 holdings out of 15

15.88%

Top 15 holdings

Data as of April 30, 2026

VTWG

BLOOM ENERGY CORP

3.57%

CREDO TECHNOLOGY GROUP HOLDING

1.62%

FABRINET

1.42%

STERLING INFRASTRUCTURE INC

0.89%

ADVANCED ENERGY INDUSTRIES

0.83%

US65290E1010

0.80%

MODINE MNFC CO

0.77%

SITIME CORP

0.73%

IONQ

0.73%

RAMBUS

0.72%

DYCOM INDUSTRIES

0.70%

VIAVI SOLUTIONS INC

0.70%

KRATOS DEFENSE AND SECURITY SOLS

0.66%

BRIDGEBIO PHARMA

0.65%

GUARDANT HEALTH INC

0.62%

IWO

BLOOM ENERGY CORP

3.64%

CREDO TECHNOLOGY GROUP HOLDING

1.65%

FABRINET

1.45%

IONQ

0.92%

STERLING INFRASTRUCTURE INC

0.90%

ADVANCED ENERGY INDUSTRIES

0.85%

US65290E1010

0.82%

MODINE MNFC CO

0.78%

SITIME CORP

0.74%

RAMBUS

0.73%

DYCOM INDUSTRIES

0.71%

VIAVI SOLUTIONS INC

0.71%

KRATOS DEFENSE AND SECURITY SOLS

0.67%

BRIDGEBIO PHARMA

0.66%

GUARDANT HEALTH INC

0.64%

Frequently asked questions about VTWG and IWO

How have the VTWG and IWO ETFs performed in 2026?

As of June 18, 2026, VTWG is up 20.79% year-to-date (YTD), while IWO has returned 20.69%. That puts VTWG better performer ahead so far this year.

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

Year-to-date, the VTWG ETF saw +$112M in flows, compared to -$694M for IWO.

Which ETF is more volatile: VTWG or IWO?

Over the past year, VTWG had a volatility of 22.24%, while IWO experienced 22.3%.

Which ETF is bigger: VTWG or IWO?

As of June 18, 2026, VTWG holds $1.51 B in assets under management (AUM), while IWO manages $15.13 B.

What sectors do the VTWG and IWO ETFs invest in?

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

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

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

VTWGvsIWOETF Comparison

Vanguard Russell 2000 Growth ETF

iShares Russell 2000 Growth ETF

VTWG vs IWO 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 VTWG and IWO ETFs performed in 2026?

As of June 18, 2026, VTWG is up 20.79% year-to-date (YTD), while IWO has returned 20.69%. That puts VTWG better performer ahead so far this year.

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

Year-to-date, the VTWG ETF saw +$112M in flows, compared to -$694M for IWO.

Which ETF is more volatile: VTWG or IWO?

Over the past year, VTWG had a volatility of 22.24%, while IWO experienced 22.3%.

Which ETF is bigger: VTWG or IWO?

As of June 18, 2026, VTWG holds $1.51 B in assets under management (AUM), while IWO manages $15.13 B.

What sectors do the VTWG and IWO ETFs invest in?

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

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

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

Which ETF is more diversified: VTWG or IWO?

VTWG holds 1122 securities with 15.38% of its assets in the top 15. IWO has 1090 securities and a top 15 weight of 15.88%.

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