IEO ETF

$131.86

AUM$820M

TER0.37%

Holdings51

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IEO ETF

$131.86

iShares US Oil & Gas Exploration & Production ETF

AUM$820M

TER0.37%

Holdings51

See how much of IEO you already own

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

COP is IEO's largest holding at 17.06% of the fund as of Oct 16, 2026. IEO is iShares US Oil & Gas Exploration & Production ETF.

Showing top 50 of 51 holdings · as of Oct 16, 2026

IEO holdings, by weight
#	Ticker	Name	Weight	Cumulative	Shares	Mkt value	Sector	Industry
1	COP	ConocophillipsEnergy · Oil & Gas	17.06%	17.1%	1,088,406	$154.92M	Energy	Oil & Gas
2	MPC	Marathon Petroleum Corp.Energy · Oil & Gas	13.59%	30.6%	254,429	$123.38M	Energy	Oil & Gas
Sector and industry · Pro
3	VLO	Valero	13.21%	43.9%	260,862	$119.94M
4	PSX	Phillips 66	4.83%	48.7%	147,574	$43.87M
5	EOG	Eog Resources Inc	4.45%	53.1%	261,769	$40.36M
6	DVN	Devon Energy Corp.	4.32%	57.5%	785,689	$39.22M
7	FANG	Diamondback Energy Inc.	4.13%	61.6%	189,923	$37.51M
8	EQT	Eqt Corp	4.09%	65.7%	704,437	$37.16M
9	CHK	Chesapeake Energy Corp	2.95%	68.6%	293,823	$26.77M
10	TPL	Texas Pacific Land Trust	2.91%	71.5%	74,412	$26.38M
11	PR	Permian Resources Corp	2.82%	74.4%	1,063,031	$25.58M
12	—	Hollyfrontier	2.76%	77.1%	196,307	$25.07M
13	OVV	Ovintiv Inc.	2.57%	79.7%	349,673	$23.34M
14	APA	Apa Corp	2.32%	82.0%	444,670	$21.06M
15	AR	Antero Resources Corp	1.57%	83.6%	390,206	$14.29M
16	RRC	Range Resources Corp	1.37%	84.9%	296,587	$12.41M
17	SM	Sm Energy Co	1.27%	86.2%	301,887	$11.54M
18	PBF	Pbf Energy Inc	1.23%	87.4%	124,872	$11.18M
19	VNOM	Viper Energy Inc Com Usd0000001 Cl A	1.20%	88.6%	246,739	$10.89M
20	CHRD	Chord Energy Corp	1.12%	89.8%	69,426	$10.15M
21	—	Venture Global Inc	0.99%	90.8%	674,570	$8.95M
22	MTDR	Matador Resources Co	0.91%	91.7%	149,214	$8.24M
23	MGY	Magnolia Oil & Gas Corp	0.82%	92.5%	300,767	$7.47M
24	MUR	Murphy Oil Corp	0.74%	93.2%	171,065	$6.72M
25	CNX	Cnx Resources Corp	0.72%	93.9%	187,773	$6.54M
26	DK	Delek Us Holdings Inc	0.68%	94.6%	77,713	$6.14M
27	CRC	California Resources Corp	0.62%	95.2%	103,712	$5.60M
28	PARR	Par Pacific Holdings Inc	0.62%	95.9%	63,595	$5.64M
29	—	Crescent Energ-A	0.59%	96.5%	416,502	$5.35M
30	CLMT	Calumet Inc	0.57%	97.0%	89,260	$5.14M
31	NOG	Northern Oil and Gas Inc	0.39%	97.4%	134,778	$3.54M
32	GPOR	Gulfport Energy Corp	0.34%	97.8%	18,876	$3.13M
33	TALO	Talos Energy Inc Common Stock Usd	0.30%	98.1%	159,165	$2.71M
34	WKC	World Kinect Corp	0.26%	98.3%	64,822	$2.38M
35	CVI	Cvr Energy, Inc.	0.25%	98.6%	37,104	$2.30M
36	KOS	Kosmos Energy Ltd	0.23%	98.8%	757,621	$2.05M
37	REX	Rex American Resources Corp	0.17%	99.0%	35,899	$1.50M
38	CRK	Comstock Resources Inc	0.15%	99.1%	100,458	$1.38M
39	—	Green Plains Renewable Energy Inc	0.15%	99.3%	88,824	$1.33M
40	DEC	Diversified Energy Co	0.14%	99.4%	89,678	$1.32M
41	BKV	Bkv Corp	0.12%	99.5%	47,154	$1.09M
42	REPX	Riley Exploration Permian Inc	0.11%	99.6%	21,620	$1.00M
43	—	Malco Energy Ltd	0.09%	99.7%	133,303	$807.8K
44	SOC	Sable Offshore Corp.	0.08%	99.8%	211,528	$710.7K
45	VTS	Vitesse Energy Inc	0.08%	99.9%	43,755	$763.1K
46	SD	Sandridge Energy, Inc.	0.06%	100.0%	39,535	$555.1K
47	Debt	Blackrock Cash Funds: Treasury, Sl Agency Shares	0.03%	100.0%	309,952	$310.0K
48	CLNE	Clean Energy Fuels Corp	0.03%	100.0%	221,931	$299.6K
49	—	USD Cash	0.00%	100.0%	26,182	$26.2K
50	—	Cash Collateral USD Sgaft	0.00%	100.0%	22,000	$22.0K
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Not reported for this fund: share changes.

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IEO ETF All Holdings

IEO holdings total 51 positions. The top 10 holdings account for 71.5% of the fund, led by Conocophillips Common Stock USD 0.01 at 17.1%, Marathon Petroleum Corp. at 13.6%, Valero Energy at 13.2%.

IEO portfolio concentration is relatively high, with the top 10 representing 71.5% of total assets. The largest sector exposure is Energy at 92.9%.

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

51 of 51 holdings

Sector

Industry

Sort By

1
Conocophillips Common Stock USD 0.01
COPEnergy
17.06%
2
Marathon Petroleum Corp.
MPCEnergy
13.59%
3
Valero Energy
VLOEnergy
13.21%
4
Phillips 66
PSXEnergy
4.83%
5
Eog Resources Inc
EOGEnergy
4.45%
6
Devon Energy Corp.
DVNEnergy
4.32%
7
Diamondback Energy Inc.
FANGEnergy
4.13%
8
Eqt Corp
EQTEnergy
4.09%
9
Chesapeake Energy Corp
CHKEnergy
2.95%
10
Texas Pacific Land Trust
TPLReal Estate
2.91%
11
Permian Resources Corp
PRUnknown
2.82%
12
Hollyfrontier
DINOEnergy
2.76%
13
Ovintiv Inc.
OVVEnergy
2.57%
14
Apa Corp
APAEnergy
2.32%
15
Antero Resources Corp
AREnergy
1.57%
16
Range Resources Corp
RRCEnergy
1.37%
17
Sm Energy Co
SMEnergy
1.27%
18
Pbf Energy Inc
PBFEnergy
1.23%
19
Viper Energy Inc Com Usd0000001 Cl A
VNOMEnergy
1.20%
20
Chord Energy Corp
OASEnergy
1.12%
21
Venture Global Inc
VGEnergy
0.99%
22
Matador Resources Co
MTDREnergy
0.91%
23
Magnolia Oil & Gas Corp
MGYEnergy
0.82%
24
Murphy Oil Corp
MUREnergy
0.74%
25
Cnx Resources Corp
CNXEnergy
0.72%
26
Delek Us Holdings Inc
DKEnergy
0.68%
27
California Resources Corp Common Stock
CRCEnergy
0.62%
28
Par Pacific Holdings Inc
PARREnergy
0.62%
29
Crescent Energ-A
CRGYEnergy
0.59%
30
Calumet Inc
CLMTUnknown
0.57%
31
Northern Oil And Gas Inc
NOGEnergy
0.39%
32
Gulfport Energy Corp
GPOREnergy
0.34%
33
Talos Energy Inc Common Stock Usd
TALOEnergy
0.30%
34
World Kinect Corp
WKCInformation Technology
0.26%
35
Cvr Energy, Inc.
CVIEnergy
0.25%
36
Kosmos Energy Ltd
KOSUnknown
0.23%
37
Rex American Resources Corp
REXEnergy
0.17%
38
Comstock Resources Inc
CRKEnergy
0.15%
39
Green Plains Renewable Energy Inc
GPREEnergy
0.15%
40
Diversified Energy Co
DECUnknown
0.14%
41
Bkv Corp
BKVFinancials
0.12%
42
Riley Exploration Permian Inc
REPXEnergy
0.11%
43
Malco Energy Ltd
EGYEnergy
0.09%
44
Sable Offshore Corp.
SOCEnergy
0.08%
45
Vitesse Energy Inc
VTSEnergy
0.08%
46
Sandridge Energy, Inc.
SDEnergy
0.06%
47
Blackrock Cash Funds: Treasury, Sl Agency Shares
XTSLAFinancials
0.03%
48
Clean Energy Fuels Corp
CLNEEnergy
0.03%
49
USD Cash
Other
0.00%
50
Cash Collateral USD Sgaft
Other
0.00%
51
Emini Energy Select Sector Dec 26
Other
0.00%

#	Company	Ticker	Weight
1	Conocophillips Common Stock USD 0.01	COP	17.060%
2	Marathon Petroleum Corp.	MPC	13.590%
3	Valero Energy	VLO	13.210%
4	Phillips 66	PSX	4.830%
5	Eog Resources Inc	EOG	4.450%
6	Devon Energy Corp.	DVN	4.320%
7	Diamondback Energy Inc.	FANG	4.130%
8	Eqt Corp	EQT	4.090%
9	Chesapeake Energy Corp	CHK	2.950%
10	Texas Pacific Land Trust	TPL	2.910%
11	Permian Resources Corp	PR	2.820%
12	Hollyfrontier	DINO	2.760%
13	Ovintiv Inc.	OVV	2.570%
14	Apa Corp	APA	2.320%
15	Antero Resources Corp	AR	1.570%
16	Range Resources Corp	RRC	1.370%
17	Sm Energy Co	SM	1.270%
18	Pbf Energy Inc	PBF	1.230%
19	Viper Energy Inc Com Usd0000001 Cl A	VNOM	1.200%
20	Chord Energy Corp	OAS	1.120%
21	Venture Global Inc	VG	0.990%
22	Matador Resources Co	MTDR	0.910%
23	Magnolia Oil & Gas Corp	MGY	0.820%
24	Murphy Oil Corp	MUR	0.740%
25	Cnx Resources Corp	CNX	0.720%
26	Delek Us Holdings Inc	DK	0.680%
27	California Resources Corp Common Stock	CRC	0.620%
28	Par Pacific Holdings Inc	PARR	0.620%
29	Crescent Energ-A	CRGY	0.590%
30	Calumet Inc	CLMT	0.570%
31	Northern Oil And Gas Inc	NOG	0.390%
32	Gulfport Energy Corp	GPOR	0.340%
33	Talos Energy Inc Common Stock Usd	TALO	0.300%
34	World Kinect Corp	WKC	0.260%
35	Cvr Energy, Inc.	CVI	0.250%
36	Kosmos Energy Ltd	KOS	0.230%
37	Rex American Resources Corp	REX	0.170%
38	Comstock Resources Inc	CRK	0.150%
39	Green Plains Renewable Energy Inc	GPRE	0.150%
40	Diversified Energy Co	DEC	0.140%
41	Bkv Corp	BKV	0.120%
42	Riley Exploration Permian Inc	REPX	0.110%
43	Malco Energy Ltd	EGY	0.090%
44	Sable Offshore Corp.	SOC	0.080%
45	Vitesse Energy Inc	VTS	0.080%
46	Sandridge Energy, Inc.	SD	0.060%
47	Blackrock Cash Funds: Treasury, Sl Agency Shares	XTSLA	0.030%
48	Clean Energy Fuels Corp	CLNE	0.030%
49	USD Cash	-	0.000%
50	Cash Collateral USD Sgaft	-	0.000%
51	Emini Energy Select Sector Dec 26	-	0.000%