IEO ETF

$150.15

AUM$879M

TER0.37%

Holdings50

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IEO ETF

$150.15

iShares US Oil & Gas Exploration & Production ETF

AUM$879M

TER0.37%

Holdings50

See how much of IEO you already own

Just $25 once·$99/mo·Download sample

X-ray my portfolio free

Overview Performance Chart Dividends Top Holdings All Holdings Sectors Geography Similar Compare Overlap

IEO holds 71.0% of its assets in its 10 largest positions as of Oct 1, 2026. IEO is iShares US Oil & Gas Exploration & Production ETF.

Showing the top 10 of 51 holdings · as of Oct 1, 2026

Top 10 weight

71.00%

IEO top 10 holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	COP	ConocophillipsEnergy · Oil & Gas	16.77%	16.8%	1,016,446	$129.15M	Energy	Oil & Gas
2	MPC	Marathon Petroleum CorpEnergy · Oil & Gas	12.96%	29.7%	237,605	$99.83M	Energy	Oil & Gas
Sector and industry · Pro
3	VLO	Valero	12.92%	42.6%	243,614	$99.51M
4	PSX	Phillips 66	4.73%	47.4%	137,814	$36.41M
5	DVN	Devon Energy Corp.	4.49%	51.9%	733,745	$34.60M
6	EOG	Eog Resources Inc	4.48%	56.3%	244,465	$34.55M
7	EQT	EQT Corp.	4.28%	60.6%	657,861	$32.95M
8	FANG	Diamondback Energy Inc -	4.27%	64.9%	177,363	$32.90M
9	EXE	Expand Energy Corp	3.06%	68.0%	274,399	$23.59M
10	TPL	Texas Pacific Land Trust	3.04%	71.0%	69,492	$23.38M
More holdings · Pro

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Themes in the top 10

Energy SecurityEnergy TransitionHydrogen EconomyInflation ProtectionInfrastructureAsset ManagementInvestment TechnologyGlobal BankingData & AnalyticsInternet & DigitalFood InnovationAging PopulationDigital HealthHealth & Wellness

IEO ETF Top Holdings

IEO holdings top 10 positions. The top 10 holdings account for 71.0% of the fund, led by Conocophillips Common Stock USD 0.01 at 16.8%, Marathon Petroleum Corp at 13.0%, Valero Energy at 12.9%.

IEO portfolio concentration is relatively high, with the top 10 representing 71.0% of total assets. The largest sector exposure is Energy at 92.6%.

IEO sectors provide a detailed breakdown. IEO overlap shows how holdings compare to other funds in your portfolio.

Compare IEO

IEO vs SPY IEO vs QQQ IEO vs VOO IEO vs VTI IEO vs IVV IEO vs SCHD IEO vs VYM IEO vs VXUS

#	Ticker	Name	Industry	Weight
1	COP	Conocophillips Common Stock USD 0.01	Energy	16.77%
2	MPC	Marathon Petroleum Corp	Energy	12.96%
3	VLO	Valero Energy	Energy	12.92%
4	PSX	Phillips 66	Energy	4.73%
5	DVN	Devon Energy Corp.	Energy	4.49%
6	EOG	Eog Resources Inc	Energy	4.48%
7	EQT	EQT Corp.	Energy	4.28%
8	FANG	Diamondback Energy Inc - Common	Energy	4.27%
9	EXE	Expand Energy Corp	Energy	3.06%
10	TPL	Texas Pacific Land Trust	Real Estate	3.04%

IEO ETF

IEO ETF Top Holdings

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Holdings Distribution