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JSMLvsIWOETF Comparison

ETF 1

JSML

Janus Henderson Small Cap Growth Alpha ETF

This fund is part of

US Small Cap Growth

+0%

Full JSML 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

Janus Henderson Small Cap Growth Alpha ETF (JSML) and iShares Russell 2000 Growth ETF (IWO) belong to the same industry segment: US Small Cap Growth. JSML's top 3 sector exposures are Industrials, Information Technology and Health Care. In contrast, IWO's top sector exposures are Information Technology, Industrials and Health Care. JSML is more expensive with a Total Expense Ratio (TER) of 0.3%, versus 0.24% for IWO. JSML is up 23.73% year-to-date (YTD) with +$34M in YTD flows. IWO performs worse with 20.69% YTD performance, and -$694M in YTD flows. Run a side-by-side ETF comparison of JSML 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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JSML 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.	JSML IWO	+11.58%+9.15%	+29.96%+23.56%	+23.73%+20.69%	+39.31%+41.43%	+68.78%+66.14%	+41.23%+34.68%
Flows	JSML IWO	+$4M-$84M	+$4M-$125M	+$34M-$694M	+$91M-$566M	+$107M-$701M	+$123M-$348M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	JSML IWO	+26.85%+26.04%	+22.01%+22.30%	+22.00%+22.79%	+24.31%+24.71%
Max drawdown	JSML IWO	-6.44%-6.26%	-14.79%-14.82%	-25.88%-28.47%	-37.88%-40.45%
Max drawdown duration	JSML IWO	11d13d	84d84d	287d280d	1160d1409d

Trading data

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	JSML	IWO
Last sale 6/18/2026 at 1:30 PM	$91.01	$389.04
Previous close 06/18/2026	$88.93	$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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JSML

is actively managed and doesn’t replicate an index

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	JSML	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

	JSML	IWO
Last price	$91.01	$389.04
1D performance	+2.35%	+2.37%
AuM	$357.37 M	$15.13 B
E/R	0.3%	0.24%

Characteristics

	JSML	IWO
Management strategy	Active	Passive
Provider	Janus Henderson Investors	iShares
Benchmark	-	Russell 2000 Growth Index
N° of holdings	103	890
Asset class	-	Equities
Trailing 12m distribution yield	Join	Join
Inception date	February 23, 2016	July 24, 2000
ESG	No	No

More JSML data on Trackinsight

More IWO data on Trackinsight

Exposure

Countries

JSML

USA

83.1%

Other

16.9%

IWO

USA

92.8%

Other

7.2%

Sectors

JSML

Industrials

23.88%

Information Techn.

17.81%

Health Care

16.94%

Financials

9.91%

Other

31.45%

IWO

Information Techn.

21.84%

Industrials

21.02%

Health Care

19.04%

Consumer Discreti.

7.83%

Other

30.27%

Diversification

JSML

Total weight of top 15 holdings out of 15

27.43%

IWO

Total weight of top 15 holdings out of 15

15.88%

Top 15 holdings

Data as of April 30, 2026

JSML

BLOOM ENERGY CORP

3.27%

CREDO TECHNOLOGY GROUP HOLDING

2.13%

PIPER SANDLER COMPANIES

2.06%

STERLING INFRASTRUCTURE INC

1.90%

RYMAN HOSPITALITY PROPERTIES

1.88%

BRIGHTSPHERE INVESTMENT GROUP

1.87%

FABRINET

1.83%

SRVSFRST BNCSH/D

1.64%

GRIFFON

1.62%

POWELL INDUSTRIES

1.62%

VICOR

1.55%

INTERDIGITAL

1.53%

ENERSYS

1.53%

BELDEN

1.51%

CTS

1.48%

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 JSML and IWO

How have the JSML and IWO ETFs performed in 2026?

As of June 18, 2026, JSML is up 23.73% year-to-date (YTD), while IWO has returned 20.69%. That puts JSML better performer ahead so far this year.

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

Year-to-date, the JSML ETF saw +$34M in flows, compared to -$694M for IWO.

Which ETF is more volatile: JSML or IWO?

Over the past year, JSML had a volatility of 22.01%, while IWO experienced 22.3%.

Which ETF is bigger: JSML or IWO?

As of June 18, 2026, JSML holds $357.37 M in assets under management (AUM), while IWO manages $15.13 B.

What sectors do the JSML and IWO ETFs invest in?

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

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

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

JSMLvsIWOETF Comparison

Janus Henderson Small Cap Growth Alpha ETF

iShares Russell 2000 Growth ETF

JSML 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 JSML and IWO ETFs performed in 2026?

As of June 18, 2026, JSML is up 23.73% year-to-date (YTD), while IWO has returned 20.69%. That puts JSML better performer ahead so far this year.

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

Year-to-date, the JSML ETF saw +$34M in flows, compared to -$694M for IWO.

Which ETF is more volatile: JSML or IWO?

Over the past year, JSML had a volatility of 22.01%, while IWO experienced 22.3%.

Which ETF is bigger: JSML or IWO?

As of June 18, 2026, JSML holds $357.37 M in assets under management (AUM), while IWO manages $15.13 B.

What sectors do the JSML and IWO ETFs invest in?

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

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

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

Which ETF is more diversified: JSML or IWO?

JSML holds 105 securities with 27.43% of its assets in the top 15. IWO has 1090 securities and a top 15 weight of 15.88%.

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