IEO ETF

$136.60

AUM$732M

TER0.37%

Holdings50

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IEO ETF

$136.60

iShares US Oil & Gas Exploration & Production ETF

AUM$732M

TER0.37%

Holdings50

See how much of IEO you already own

Just $25 once·$99/mo·Download sample

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

COP is IEO's largest holding at 17.69% of the fund as of Sep 11, 2026. IEO is iShares US Oil & Gas Exploration & Production ETF.

Showing top 50 of 50 holdings · as of Sep 11, 2026

IEO holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Share chg	Sector	Industry
1	COP	ConocophillipsEnergy · Oil & Gas	17.69%	17.7%	976,787	$134.16M	+155.2K	Energy	Oil & Gas
2	VLO	ValeroEnergy · Oil & Gas	12.26%	30.0%	238,071	$92.95M	+37.8K	Energy	Oil & Gas
Share changes, sector and industry · Pro
3	MPC	Marathon Petroleum Corp	12.22%	42.2%	234,072	$92.68M
4	EOG	Eog Resources Inc	5.78%	48.0%	297,544	$43.85M
5	PSX	Phillips 66	5.31%	53.3%	155,140	$40.25M
6	DVN	Devon Energy Corp	4.01%	57.3%	604,976	$30.39M
7	FANG	Diamondback Energy, Inc.	3.88%	61.2%	143,443	$29.40M
8	EQT	EQT Corp.	3.82%	65.0%	535,864	$28.97M
9	EXE	Expand Energy Corp	3.31%	68.3%	264,739	$25.11M
10	TPL	Texas Pacific Land Trust	3.12%	71.4%	64,114	$23.66M
11	PR	Permian Resources Corp	2.73%	74.1%	870,991	$20.71M
12	OVV	Ovintiv Inc.	2.56%	76.7%	304,765	$19.41M
13	—	Hollyfrontier	2.41%	79.1%	169,580	$18.29M
14	APA	APA Corp.	2.31%	81.4%	391,172	$17.50M
15	AR	Antero Resources Corp	1.65%	83.1%	325,733	$12.52M
16	RRC	Range Resources Corp	1.41%	84.5%	260,753	$10.73M
17	SM	Sm Energy Co	1.27%	85.7%	252,060	$9.60M
18	VNOM	Viper Energy Inc Cl A	1.27%	87.0%	214,934	$9.61M
19	CHRD	Chord Energy Corp	1.25%	88.3%	62,298	$9.47M
20	—	Venture Global Inc	1.19%	89.5%	570,758	$9.02M
21	MTDR	Matador Resources Co	1.04%	90.5%	129,172	$7.89M
22	PBF	Pbf Energy Inc	0.96%	91.5%	92,962	$7.28M
23	MGY	Magnolia Oil & Gas Corp	0.93%	92.4%	254,553	$7.06M
24	MUR	Murphy Oil Corp	0.76%	93.1%	149,127	$5.74M
25	CNX	Cnx Resources Corp	0.74%	93.9%	156,563	$5.62M
26	DK	Delek Us Holdings Inc	0.68%	94.6%	67,827	$5.16M
27	CRC	California Resources Corp	0.65%	95.2%	86,470	$4.91M
28	PARR	Par Pacific Holdings Inc	0.62%	95.8%	55,499	$4.70M
29	CLMT	Calumet Inc	0.53%	96.4%	71,367	$4.05M
30	—	Crescent Energ-A	0.52%	96.9%	270,614	$3.97M
31	NOG	Northern Oil and Gas Inc	0.41%	97.3%	115,697	$3.08M
32	GPOR	Gulfport Energy Corp	0.37%	97.7%	16,085	$2.79M
33	TALO	Talos Energy Inc	0.32%	98.0%	136,708	$2.42M
34	WKC	World Kinect Corp	0.26%	98.2%	56,634	$1.99M
35	KOS	Kosmos Energy Ltd	0.26%	98.5%	656,807	$1.98M
36	CVI	Cvr Energy, Inc.	0.22%	98.7%	33,428	$1.66M
37	CRK	Comstock Resources Inc	0.17%	98.9%	87,873	$1.30M
38	REX	Rex American Resources Corp	0.17%	99.1%	31,418	$1.31M
39	—	Green Plains Renewable Energy Inc	0.15%	99.2%	77,754	$1.16M
40	BKV	Bkv Corp	0.13%	99.3%	41,317	$1.00M
41	Debt	Blackrock Cash Funds: Treasury, Sl Agency Shares	0.13%	99.5%	965,654	$965.7K
42	DEC	Diversified Energy Co	0.12%	99.6%	63,793	$944.8K
43	SOC	Sable Offshore Corp.	0.10%	99.7%	144,701	$748.1K
44	EGY	Vaalco Energy Inc	0.10%	99.8%	114,988	$726.7K
45	VTS	Vitesse Energy Inc	0.08%	99.9%	33,584	$630.0K
46	SD	Sandridge Energy, Inc.	0.07%	99.9%	34,957	$511.4K
47	CLNE	Clean Energy Fuels Corp	0.04%	100.0%	191,872	$312.8K
48	—	USD Cash	0.01%	100.0%	96,203	$96.2K
49	—	Cash Collateral USD Sgaft	0.01%	100.0%	86,000	$86.0K
50	—	Emini Energy Select Sector Dec 26	0.00%	100.0%	8	-

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IEO ETF All Holdings

IEO holdings total 50 positions. The top 10 holdings account for 71.4% of the fund, led by Conocophillips Common Stock USD 0.01 at 17.7%, Valero Energy at 12.3%, Marathon Petroleum Corp at 12.2%.

IEO portfolio concentration is relatively high, with the top 10 representing 71.4% of total assets. The largest sector exposure is Energy at 92.7%.

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

IEO ETF Holdings

50 of 50 holdings

Sector

Industry

Sort By

1
Conocophillips Common Stock USD 0.01
COPEnergy
17.69%
2
Valero Energy
VLOEnergy
12.26%
3
Marathon Petroleum Corp
MPCEnergy
12.22%
4
Eog Resources Inc
EOGEnergy
5.78%
5
Phillips 66
PSXEnergy
5.31%
6
Devon Energy Corporation
DVNEnergy
4.01%
7
Diamondback Energy, Inc.
FANGEnergy
3.88%
8
EQT Corp.
EQTEnergy
3.82%
9
Expand Energy Corp
EXEEnergy
3.31%
10
Texas Pacific Land Trust
TPLReal Estate
3.12%
11
Permian Resources Corp
PRUnknown
2.73%
12
Ovintiv Inc.
OVVEnergy
2.56%
13
Hollyfrontier
DINOEnergy
2.41%
14
APA Corp.
APAEnergy
2.31%
15
Antero Resources Corp
AREnergy
1.65%
16
Range Resources Corp
RRCEnergy
1.41%
17
Sm Energy Co
SMEnergy
1.27%
18
Viper Energy Inc Cl A
VNOMEnergy
1.27%
19
Chord Energy Corp
OASEnergy
1.25%
20
Venture Global Inc
VGEnergy
1.19%
21
Matador Resources Co
MTDREnergy
1.04%
22
Pbf Energy Inc
PBFEnergy
0.96%
23
Magnolia Oil & Gas Corp
MGYEnergy
0.93%
24
Murphy Oil Corp
MUREnergy
0.76%
25
Cnx Resources Corp
CNXEnergy
0.74%
26
Delek Us Holdings Inc
DKEnergy
0.68%
27
California Resources Corp Common Stock
CRCEnergy
0.65%
28
Par Pacific Holdings Inc
PARREnergy
0.62%
29
Calumet Inc
CLMTUnknown
0.53%
30
Crescent Energ-A
CRGYEnergy
0.52%
31
Northern Oil And Gas Inc
NOGEnergy
0.41%
32
Gulfport Energy Corp
GPOREnergy
0.37%
33
Talos Energy Inc
TALOEnergy
0.32%
34
World Kinect Corp
WKCInformation Technology
0.26%
35
Kosmos Energy Ltd
KOSUnknown
0.26%
36
Cvr Energy, Inc.
CVIEnergy
0.22%
37
Comstock Resources Inc
CRKEnergy
0.17%
38
Rex American Resources Corp
REXEnergy
0.17%
39
Green Plains Renewable Energy Inc
GPREEnergy
0.15%
40
Bkv Corp
BKVFinancials
0.13%
41
Blackrock Cash Funds: Treasury, Sl Agency Shares
XTSLAFinancials
0.13%
42
Diversified Energy Co
DECUnknown
0.12%
43
Sable Offshore Corp.
SOCEnergy
0.10%
44
Vaalco Energy Inc
EGYEnergy
0.10%
45
Vitesse Energy Inc
VTSEnergy
0.08%
46
Sandridge Energy, Inc.
SDEnergy
0.07%
47
Clean Energy Fuels Corp
CLNEEnergy
0.04%
48
USD Cash
Other
0.01%
49
Cash Collateral USD Sgaft
Other
0.01%
50
Emini Energy Select Sector Dec 26
Other
0.00%

#	Company	Ticker	Weight
1	Conocophillips Common Stock USD 0.01	COP	17.690%
2	Valero Energy	VLO	12.260%
3	Marathon Petroleum Corp	MPC	12.220%
4	Eog Resources Inc	EOG	5.780%
5	Phillips 66	PSX	5.310%
6	Devon Energy Corporation	DVN	4.010%
7	Diamondback Energy, Inc.	FANG	3.880%
8	EQT Corp.	EQT	3.820%
9	Expand Energy Corp	EXE	3.310%
10	Texas Pacific Land Trust	TPL	3.120%
11	Permian Resources Corp	PR	2.730%
12	Ovintiv Inc.	OVV	2.560%
13	Hollyfrontier	DINO	2.410%
14	APA Corp.	APA	2.310%
15	Antero Resources Corp	AR	1.650%
16	Range Resources Corp	RRC	1.410%
17	Sm Energy Co	SM	1.270%
18	Viper Energy Inc Cl A	VNOM	1.270%
19	Chord Energy Corp	OAS	1.250%
20	Venture Global Inc	VG	1.190%
21	Matador Resources Co	MTDR	1.040%
22	Pbf Energy Inc	PBF	0.960%
23	Magnolia Oil & Gas Corp	MGY	0.930%
24	Murphy Oil Corp	MUR	0.760%
25	Cnx Resources Corp	CNX	0.740%
26	Delek Us Holdings Inc	DK	0.680%
27	California Resources Corp Common Stock	CRC	0.650%
28	Par Pacific Holdings Inc	PARR	0.620%
29	Calumet Inc	CLMT	0.530%
30	Crescent Energ-A	CRGY	0.520%
31	Northern Oil And Gas Inc	NOG	0.410%
32	Gulfport Energy Corp	GPOR	0.370%
33	Talos Energy Inc	TALO	0.320%
34	World Kinect Corp	WKC	0.260%
35	Kosmos Energy Ltd	KOS	0.260%
36	Cvr Energy, Inc.	CVI	0.220%
37	Comstock Resources Inc	CRK	0.170%
38	Rex American Resources Corp	REX	0.170%
39	Green Plains Renewable Energy Inc	GPRE	0.150%
40	Bkv Corp	BKV	0.130%
41	Blackrock Cash Funds: Treasury, Sl Agency Shares	XTSLA	0.130%
42	Diversified Energy Co	DEC	0.120%
43	Sable Offshore Corp.	SOC	0.100%
44	Vaalco Energy Inc	EGY	0.100%
45	Vitesse Energy Inc	VTS	0.080%
46	Sandridge Energy, Inc.	SD	0.070%
47	Clean Energy Fuels Corp	CLNE	0.040%
48	USD Cash	-	0.010%
49	Cash Collateral USD Sgaft	-	0.010%
50	Emini Energy Select Sector Dec 26	-	0.000%