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IEZvsOIHETF Comparison

ETF 1

IEZ

iShares U.S. Oil Equipment & Services ETF

This fund is part of

US Energy

+2.39%

Full IEZ fund page

ETF 2

OIH

VanEck Oil Services ETF

This fund is part of

US Energy

+2.39%

Full OIH fund page

iShares U.S. Oil Equipment & Services ETF (IEZ) and VanEck Oil Services ETF (OIH) belong to the same industry segment: US Energy. Both ETFs have the same top 3 sector exposures: and Energy. IEZ is more expensive with a Total Expense Ratio (TER) of 0.38%, versus 0.35% for OIH. IEZ is up 33.22% year-to-date (YTD) with +$231M in YTD flows. OIH performs better with 35.32% YTD performance, and +$610M in YTD flows. Run a side-by-side ETF comparison of IEZ and OIH 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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IEZ vs OIH 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 03/11/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	IEZ OIH	-0.60%+0.91%	+26.39%+26.91%	+33.22%+35.32%	+52.76%+57.56%	+48.10%+43.83%	+89.66%+85.45%
Flows	IEZ OIH	+$194M-$30M	+$219M+$703M	+$231M+$610M	+$204M+$648M	+$11M-$468M	+$91M+$76M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	IEZ OIH	+30.02%+31.44%	+36.43%+37.93%	+31.38%+32.03%	+37.05%+37.76%
Max drawdown	IEZ OIH	-7.37%-8.36%	-25.63%-26.32%	-40.22%-43.83%	-40.22%-43.83%
Max drawdown duration	IEZ OIH	22d22d	176d183d	861d864d	861d864d

Trading data

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	IEZ	OIH
Last sale 3/12/2026 at 2:11 PM	$27.09	$376.64
Previous close 03/11/2026	$27.81	$385.02
Consolidated volume 03/11/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of February 27, 2026

1-year trailing difference

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	IEZ	OIH
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 3/12/2026 at 2:11 PM

Live

Closed

	IEZ	OIH
Last price	$27.09	$376.64
1D performance	-2.59%	-2.18%
AuM	$407.19 M	$2.44 B
E/R	0.38%	0.35%

Characteristics

	IEZ	OIH
Management strategy	Passive	Passive
Provider	iShares	VanEck
Benchmark	Dow Jones U.S. Select Oil Equipment & Services Index	MVIS US Listed Oil Services 25 Index
N° of holdings	26	22
Asset class	Equities	Equities
Trailing 12m distribution yield	Join	Join
Inception date	May 1, 2006	December 20, 2011
ESG	No	No

More IEZ data on Trackinsight

More OIH data on Trackinsight

Exposure

Countries

IEZ

USA

56.47%

United Kingdom

7.46%

Other

36.07%

OIH

USA

55.1%

United Kingdom

9.75%

Other

35.16%

Sectors

IEZ

Energy

93.29%

Other

6.71%

OIH

Energy

89.39%

Other

10.61%

Diversification

IEZ

Total weight of top 15 holdings out of 15

85.99%

OIH

Total weight of top 15 holdings out of 15

87.5%

Top 15 holdings

Data as of January 31, 2026

IEZ

SCHLUMBERGER

23.40%

BAKER HUGHES

22.77%

TECHNIPFMC PLC

4.66%

HALLIBURTON

4.43%

NOV INC

4.20%

WEATHERFORD INTL PLC

4.18%

ARCHROCK

3.17%

TRANSOCEAN

3.02%

GB00BMXNWH07

2.80%

LIBERTY OILFIELD SERVICES

2.54%

CACTUS INC

2.38%

VALARIS LTD

2.36%

US50012A1088

2.12%

HELMERICH AND PAYNE

2.08%

OCEANEERING INTL

1.88%

OIH

SCHLUMBERGER

21.01%

BAKER HUGHES

12.65%

HALLIBURTON

7.53%

TECHNIPFMC PLC

5.30%

US88031M1099

4.78%

WEATHERFORD INTL PLC

4.51%

TRANSOCEAN

4.46%

GB00BMXNWH07

4.45%

NOV INC

4.38%

LIBERTY OILFIELD SERVICES

3.92%

CACTUS INC

3.30%

VALARIS LTD

2.93%

HELMERICH AND PAYNE

2.84%

OCEANEERING INTL

2.77%

PATTERSON UTI

2.69%

Frequently asked questions about IEZ and OIH

How have the IEZ and OIH ETFs performed in 2026?

As of March 11, 2026, IEZ is up 33.22% year-to-date (YTD), while OIH has returned 35.32%. That puts OIH better performer ahead so far this year.

Which ETF is attracting more investor money: IEZ or OIH?

Year-to-date, the IEZ ETF saw +$231M in flows, compared to +$610M for OIH.

Which ETF is more volatile: IEZ or OIH?

Over the past year, IEZ had a volatility of 36.43%, while OIH experienced 37.93%.

Which ETF is bigger: IEZ or OIH?

As of March 11, 2026, IEZ holds $407.19 M in assets under management (AUM), while OIH manages $2.44 B.

What sectors do the IEZ and OIH ETFs invest in?

IEZ leans toward sectors like Energy. Meanwhile, OIH focuses on Energy.

What are the top holdings of the IEZ ETF and OIH ETF?

IEZ top holdings include SCHLUMBERGER, BAKER HUGHES and TECHNIPFMC PLC. OIH holds in its top three: SCHLUMBERGER, BAKER HUGHES and HALLIBURTON.

Which ETF is more diversified: IEZ or OIH?

IEZ holds 31 securities with 85.99% of its assets in the top 15. OIH has 25 securities and a top 15 weight of 87.5%.

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IEZvsOIHETF Comparison

iShares U.S. Oil Equipment & Services ETF

VanEck Oil Services ETF

IEZ vs OIH 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 IEZ and OIH ETFs performed in 2026?

As of March 11, 2026, IEZ is up 33.22% year-to-date (YTD), while OIH has returned 35.32%. That puts OIH better performer ahead so far this year.

Which ETF is attracting more investor money: IEZ or OIH?

Year-to-date, the IEZ ETF saw +$231M in flows, compared to +$610M for OIH.

Which ETF is more volatile: IEZ or OIH?

Over the past year, IEZ had a volatility of 36.43%, while OIH experienced 37.93%.

Which ETF is bigger: IEZ or OIH?

As of March 11, 2026, IEZ holds $407.19 M in assets under management (AUM), while OIH manages $2.44 B.

What sectors do the IEZ and OIH ETFs invest in?

IEZ leans toward sectors like Energy. Meanwhile, OIH focuses on Energy.

What are the top holdings of the IEZ ETF and OIH ETF?

IEZ top holdings include SCHLUMBERGER, BAKER HUGHES and TECHNIPFMC PLC. OIH holds in its top three: SCHLUMBERGER, BAKER HUGHES and HALLIBURTON.

Which ETF is more diversified: IEZ or OIH?

IEZ holds 31 securities with 85.99% of its assets in the top 15. OIH has 25 securities and a top 15 weight of 87.5%.

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