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IWRvsONEOETF Comparison

ETF 1

IWR

iShares Russell Mid-Cap ETF

This fund is part of

US Mid Cap

+0.07%

Full IWR fund page

VS

ETF 2

ONEO

State Street SPDR Russell 1000 Momentum Focus ETF

This fund is part of

US Multi-Factor

+0.52%

Full ONEO fund page

iShares Russell Mid-Cap ETF (IWR) belongs to the US Mid Cap segment. State Street SPDR Russell 1000 Momentum Focus ETF (ONEO) is part of the US Multi-Factor segment. IWR's top 3 sector exposures are Industrials, Information Technology and Financials. In contrast, ONEO's top sector exposures are Information Technology, Industrials and Consumer Discretionary. IWR is less expensive with a Total Expense Ratio (TER) of 0.18%, versus 0.2% for ONEO. IWR is up 8.08% year-to-date (YTD) with +$1.99B in YTD flows. ONEO performs better with 11.08% YTD performance, and -$26M in YTD flows. Run a side-by-side ETF comparison of IWR and ONEO 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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IWR vs ONEO 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 04/24/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IWR ONEO	+6.47%+7.13%	+3.56%+5.79%	+8.08%+11.08%	+26.08%+28.67%	+54.86%+58.21%	+41.73%+56.72%
Flows	IWR ONEO	+$1.41B-	+$2.41B-$1M	+$1.99B-$26M	+$4.28B-$74M	+$9.68B-$171M	+$11.54B-$298M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IWR ONEO	+16.22%+15.11%	+13.91%+13.05%	+16.02%+15.30%	+18.27%+17.35%
Max drawdown	IWR ONEO	-8.16%-7.42%	-8.16%-7.42%	-21.08%-19.59%	-26.20%-22.42%
Max drawdown duration	IWR ONEO	49d48d	49d48d	239d260d	854d757d

Trading data

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	IWR	ONEO
Last sale 4/27/2026 at 1:30 PM	$103.75	$143.09
Previous close 04/24/2026	$103.76	$143.13
Consolidated volume 04/24/2026
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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	IWR	ONEO
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 4/27/2026 at 1:30 PM

Live

Closed

	IWR	ONEO
Last price	$103.75	$143.09
1D performance	-0.01%	-0.03%
AuM	$52.10 B	$27.20 M
E/R	0.18%	0.2%

Characteristics

	IWR	ONEO
Management strategy	Passive	Passive
Provider	iShares	State Street Investment Management
Benchmark	Russell Midcap Index	Russell 1000 Momentum Focused Factor Index
N° of holdings	721	840
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	July 17, 2001	December 2, 2015
ESG	No	No

More IWR data on Trackinsight

More ONEO data on Trackinsight

Exposure

Countries

IWR

USA

93.69%

Other

6.31%

ONEO

USA

91.79%

Other

8.21%

Sectors

IWR

Industrials

16.54%

Information Techn.

13.04%

Financials

12.07%

Consumer Discreti.

10.57%

Health Care

8.39%

Energy

7.34%

Other

32.04%

ONEO

Information Techn.

16.91%

Industrials

16.76%

Consumer Discreti.

12.08%

Health Care

9.78%

Financials

9.14%

Other

35.34%

Diversification

IWR

Total weight of top 15 holdings out of 15

9.59%

ONEO

Total weight of top 15 holdings out of 15

9.64%

Top 15 holdings

Data as of March 31, 2026

IWR

CORNING

0.84%

VERTIV HOLDINGS

0.76%

HOWMET AEROSPACE INC

0.73%

WESTERN DIGITAL

0.73%

US80004C2008

0.72%

BANK OF NEW YORK MELLON

0.65%

QUANTA SERVICES

0.64%

VALERO ENERGY

0.60%

CUMMINS

0.59%

MARATHON PETROLEUM

0.58%

PHILLIPS 66

0.58%

ROYAL CARIBBEAN GROUP

0.55%

HILTON INC

0.55%

ROSS STORES

0.55%

KINDER MORGAN

0.52%

ONEO

WESTERN DIGITAL

1.16%

MCKESSON

0.80%

MONOLITHIC POWER SYSTEMS

0.71%

FLEX LTD

0.68%

MARATHON PETROLEUM

0.65%

TECHNIPFMC PLC

0.65%

JABIL CIRCUIT

0.63%

DOLLAR GENERAL

0.62%

VALERO ENERGY

0.57%

US74743L1008

0.56%

TERADYNE

0.56%

MICRON TECHNOLOGY

0.54%

US5128073062

0.53%

KLA CORPORATION

0.51%

ALTRIA GROUP

0.49%

Frequently asked questions about IWR and ONEO

How have the IWR and ONEO ETFs performed in 2026?

As of April 24, 2026, IWR is up 8.08% year-to-date (YTD), while ONEO has returned 11.08%. That puts ONEO better performer ahead so far this year.

Which ETF is attracting more investor money: IWR or ONEO?

Year-to-date, the IWR ETF saw +$1.99B in flows, compared to -$26M for ONEO.

Which ETF is more volatile: IWR or ONEO?

Over the past year, IWR had a volatility of 13.91%, while ONEO experienced 13.05%.

Which ETF is bigger: IWR or ONEO?

As of April 24, 2026, IWR holds $52.10 B in assets under management (AUM), while ONEO manages $27.20 M.

What sectors do the IWR and ONEO ETFs invest in?

IWR leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, ONEO focuses on Information Technology, Industrials and Consumer Discretionary.

What are the top holdings of the IWR ETF and ONEO ETF?

IWR top holdings include CORNING, VERTIV HOLDINGS and HOWMET AEROSPACE INC. ONEO holds in its top three: WESTERN DIGITAL, MCKESSON and MONOLITHIC POWER SYSTEMS.

IWRvsONEOETF Comparison

iShares Russell Mid-Cap ETF

State Street SPDR Russell 1000 Momentum Focus ETF

IWR vs ONEO 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 IWR and ONEO ETFs performed in 2026?

As of April 24, 2026, IWR is up 8.08% year-to-date (YTD), while ONEO has returned 11.08%. That puts ONEO better performer ahead so far this year.

Which ETF is attracting more investor money: IWR or ONEO?

Year-to-date, the IWR ETF saw +$1.99B in flows, compared to -$26M for ONEO.

Which ETF is more volatile: IWR or ONEO?

Over the past year, IWR had a volatility of 13.91%, while ONEO experienced 13.05%.

Which ETF is bigger: IWR or ONEO?

As of April 24, 2026, IWR holds $52.10 B in assets under management (AUM), while ONEO manages $27.20 M.

What sectors do the IWR and ONEO ETFs invest in?

IWR leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, ONEO focuses on Information Technology, Industrials and Consumer Discretionary.

What are the top holdings of the IWR ETF and ONEO ETF?

IWR top holdings include CORNING, VERTIV HOLDINGS and HOWMET AEROSPACE INC. ONEO holds in its top three: WESTERN DIGITAL, MCKESSON and MONOLITHIC POWER SYSTEMS.

Which ETF is more diversified: IWR or ONEO?

IWR holds 806 securities with 9.59% of its assets in the top 15. ONEO has 900 securities and a top 15 weight of 9.64%.

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