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ETF · holdings as filed 2026-06-30

What's inside IEO?

iShares U.S. Oil & Gas Exploration & Production ETF
Holdings
49
positions in the fund
Top 10
69%
of fund assets
Expense ratio
0.38%
net, per year
Fund size
$516M
total net assets

Top 20 holdings

RankLogoTicker / NameWeight
1
C
COPCONOCOPHILLIPS
16.70%
2
V
VLOVALERO ENERGY CORP
10.20%
3
M
MPCMARATHON PETROLEUM CORP
9.84%
4
E
EOGEOG RESOURCES INC
6.35%
5
E
EQTEQT CORP
4.69%
6
T
TPLTEXAS PACIFIC LAND CORP
4.61%
7
P
PSXPHILLIPS 66
4.31%
8
F
FANGDIAMONDBACK ENERGY INC
4.15%
9
D
DVNDEVON ENERGY CORP
4.11%
10
E
EXEEXPAND ENERGY CORP
3.97%
11
B
BISXXBCF INSTITUTIONAL-SL AGNCY
3.28%
12
O
OVVOVINTIV INC
2.64%
13
P
PRPERMIAN RESOURCES CORP-CL A
2.64%
14
A
APAAPA CORP
2.09%
15
D
DINOHF SINCLAIR CORP
1.94%
16
A
ARANTERO RESOURCES CORP
1.88%
17
R
RRCRANGE RESOURCES CORP
1.59%
18
V
VNOMVIPER ENERGY INC-CL A
1.50%
19
C
CHRDCHORD ENERGY CORP
1.17%
20
S
SMSM ENERGY CO
1.08%
Sectors tap a row to see its top 10 holdings
Top holdings — Energy
Your 10 largest positions in this sector
1
C
COPCONOCOPHILLIPS
16.70%
2
V
VLOVALERO ENERGY CORP
10.20%
3
M
MPCMARATHON PETROLEUM CORP
9.84%
4
E
EOGEOG RESOURCES INC
6.35%
5
E
EQTEQT CORP
4.69%
6
P
PSXPHILLIPS 66
4.31%
7
F
FANGDIAMONDBACK ENERGY INC
4.15%
8
D
DVNDEVON ENERGY CORP
4.11%
9
E
EXEEXPAND ENERGY CORP
3.97%
10
O
OVVOVINTIV INC
2.64%
Geography tap a row to see its top 10 holdings
Top holdings — United States
Your 10 largest positions in this country
1
C
COPCONOCOPHILLIPS
16.70%
2
V
VLOVALERO ENERGY CORP
10.20%
3
M
MPCMARATHON PETROLEUM CORP
9.84%
4
E
EOGEOG RESOURCES INC
6.35%
5
E
EQTEQT CORP
4.69%
6
T
TPLTEXAS PACIFIC LAND CORP
4.61%
7
P
PSXPHILLIPS 66
4.31%
8
F
FANGDIAMONDBACK ENERGY INC
4.15%
9
D
DVNDEVON ENERGY CORP
4.11%
10
E
EXEEXPAND ENERGY CORP
3.97%
Geography reflects each issuer's registered business address per SEC EDGAR filings where available, falling back to the exchange or listing where no SEC filing exists — not necessarily where a company's stock is primarily listed (e.g. TSMC is classified as Taiwan even though its ADR trades on the NYSE).
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Funds similar to IEO
XOPState Street(R) SPDR(R) S&P(R) Oil & Gas Exploration & Production ETF
53% overlap
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GUSHDirexion Daily S&P Oil & Gas Exp. & Prod. Bull 2X Shares
38% overlap
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FENYFidelity MSCI Energy Index ETF
34% overlap
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VDEVANGUARD ENERGY INDEX FUND
33% overlap
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IGEiShares North American Natural Resources ETF
23% overlap
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NANRState Street(R) SPDR(R) S&P(R) North American Natural Resources ETF
13% overlap
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Data source: official SEC Form N-PORT filings (as of 2026-06-30); expense ratio from SEC prospectus (risk/return) filings. Fund holdings are disclosed quarterly and may reflect a 60-day reporting delay.
Informational and educational only — not investment advice.