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IWMvsVBETF Comparison

ETF 1

IWM

iShares Russell 2000 ETF

This fund is part of

US Small Cap

-0.25%

Full IWM fund page

VS

ETF 2

VB

Vanguard Small Cap ETF

This fund is part of

US Small Cap

-0.25%

Full VB fund page

iShares Russell 2000 ETF (IWM) and Vanguard Small Cap ETF (VB) belong to the same industry segment: US Small Cap. IWM's top 3 sector exposures are Finance, Healthcare and Technology. In contrast, VB's top sector exposures are Finance, Industrials and Technology. IWM is more expensive with a Total Expense Ratio (TER) of 0.19%, versus 0.03% for VB. IWM is up 18.77% year-to-date (YTD) with -$6.29B in YTD flows. VB performs worse with 15.19% YTD performance, and +$796M in YTD flows. Run a side-by-side ETF comparison of IWM and VB 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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IWM vs VB 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 07/31/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IWM VB	-2.66%-2.09%	+4.47%+3.93%	+18.77%+15.19%	+34.03%+23.85%	+51.91%+47.61%	+40.85%+43.72%
Flows	IWM VB	-$334M-$29M	-$284M+$578M	-$6.29B+$796M	-$2.69B+$2.06B	-$2.48B+$9.89B	-$4.15B+$13.88B

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IWM VB	+18.30%+14.76%	+19.48%+16.46%	+21.23%+18.71%	+22.55%+20.58%
Max drawdown	IWM VB	-4.78%-4.05%	-11.03%-8.96%	-27.52%-25.25%	-31.96%-28.14%
Max drawdown duration	IWM VB	16d16d	82d48d	289d296d	1093d980d

Trading data

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	IWM	VB
Last sale 7/31/2026 at 1:30 PM	$291.20	$295.14
Previous close 07/30/2026	$292.59	$295.80
Consolidated volume 07/30/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of July 31, 2026

1-year trailing difference

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	IWM	VB
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 7/31/2026 at 1:30 PM

Live

Closed

	IWM	VB
Last price	$291.20	$295.14
1D performance	-0.48%	-0.22%
AuM	$80.11 B	$79.73 B
E/R	0.19%	0.03%

Characteristics

	IWM	VB
Management strategy	Passive	Passive
Provider	iShares	Vanguard
Benchmark	Russell 2000 Index	CRSP U.S. Small Cap Index
N° of holdings	1961	1285
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	May 22, 2000	January 26, 2004
ESG	No	No

More IWM data on Trackinsight

More VB data on Trackinsight

Exposure

Countries

IWM

USA

95.01%

Other

4.99%

VB

USA

93.81%

Other

6.19%

Sectors

IWM

Finance

25.48%

Healthcare

20.01%

Technology

12.88%

Industrials

11.47%

Other

30.16%

VB

Finance

21%

Industrials

16.18%

Technology

15.15%

Healthcare

12.1%

Non-Energy Materi.

8.14%

Other

27.43%

Diversification

IWM

Total weight of top 15 holdings out of 15

4.84%

VB

Total weight of top 15 holdings out of 15

6%

Top 15 holdings

Data as of June 30, 2026

IWM

Moog, Inc.

0.38%

Hut 8 Corp.

0.37%

ViaSat, Inc.

0.35%

BrightSpring Health Services, Inc.

0.35%

Cytokinetics, Inc.

0.35%

MaxLinear, Inc.

0.34%

Argan, Inc.

0.34%

UMB Financial Corp.

0.33%

JFrog Ltd.

0.31%

Riot Platforms, Inc.

0.30%

Krystal Biotech, Inc.

0.30%

ESCO Technologies, Inc.

0.29%

CareTrust REIT, Inc.

0.28%

Old National Bancorp

0.28%

FirstCash Holdings, Inc.

0.28%

VB

Credo Technology Group Holding Ltd.

0.54%

Jabil, Inc.

0.49%

Revolution Medicines, Inc.

0.45%

Astera Labs, Inc.

0.45%

Natera, Inc.

0.44%

EMCOR Group, Inc.

0.44%

Twilio, Inc.

0.37%

NRG Energy, Inc.

0.37%

MKS, Inc.

0.36%

Flex Ltd.

0.36%

Tapestry, Inc.

0.35%

Casey's General Stores, Inc.

0.35%

Carpenter Technology Corp.

0.35%

Atmos Energy Corp.

0.34%

Curtiss-Wright Corp.

0.33%

Frequently asked questions about IWM and VB

How have the IWM and VB ETFs performed in 2026?

As of July 31, 2026, IWM is up 18.77% year-to-date (YTD), while VB has returned 15.19%. That puts IWM better performer ahead so far this year.

Which ETF is attracting more investor money: IWM or VB?

Year-to-date, the IWM ETF saw -$6.29B in flows, compared to +$796M for VB.

Which ETF is more volatile: IWM or VB?

Over the past year, IWM had a volatility of 19.48%, while VB experienced 16.46%.

Which ETF is bigger: IWM or VB?

As of July 31, 2026, IWM holds $80.11 B in assets under management (AUM), while VB manages $79.73 B.

What sectors do the IWM and VB ETFs invest in?

IWM leans toward sectors like Finance, Healthcare and Technology. Meanwhile, VB focuses on Finance, Industrials and Technology.

What are the top holdings of the IWM ETF and VB ETF?

IWM top holdings include Moog, Inc., Hut 8 Corp. and ViaSat, Inc.. VB holds in its top three: Credo Technology Group Holding Ltd., Jabil, Inc. and Revolution Medicines, Inc..

IWMvsVBETF Comparison

iShares Russell 2000 ETF

Vanguard Small Cap ETF

IWM vs VB 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 IWM and VB ETFs performed in 2026?

As of July 31, 2026, IWM is up 18.77% year-to-date (YTD), while VB has returned 15.19%. That puts IWM better performer ahead so far this year.

Which ETF is attracting more investor money: IWM or VB?

Year-to-date, the IWM ETF saw -$6.29B in flows, compared to +$796M for VB.

Which ETF is more volatile: IWM or VB?

Over the past year, IWM had a volatility of 19.48%, while VB experienced 16.46%.

Which ETF is bigger: IWM or VB?

As of July 31, 2026, IWM holds $80.11 B in assets under management (AUM), while VB manages $79.73 B.

What sectors do the IWM and VB ETFs invest in?

IWM leans toward sectors like Finance, Healthcare and Technology. Meanwhile, VB focuses on Finance, Industrials and Technology.

What are the top holdings of the IWM ETF and VB ETF?

IWM top holdings include Moog, Inc., Hut 8 Corp. and ViaSat, Inc.. VB holds in its top three: Credo Technology Group Holding Ltd., Jabil, Inc. and Revolution Medicines, Inc..

Which ETF is more diversified: IWM or VB?

IWM holds 1992 securities with 4.84% of its assets in the top 15. VB has 1306 securities and a top 15 weight of 6%.

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