iShares U.S. Oil & Gas Exploration & Production ETF (IEO) is an ETF managed by BlackRock / iShares. Its largest position is CONOCOPHILLIPS (COP), representing 19.46% of fund assets.
iShares U.S. Oil & Gas Exploration & Production ETF Portfolio Holdings
Source: SEC Form N-PORT institutional portfolio disclosures
- Ticker:
- IEO
- Type:
- ETF
- Manager:
- BlackRock / iShares
- Total Assets:
- —
- Report Date:
- Mar 31, 2026
- Filing Date:
- May 22, 2026
| Holding | Weight | Market Value | Shares |
|---|---|---|---|
|
-
CONOCOPHILLIPS
|
19.46% | $127,570,872.00 | 966,446 |
|
-
EOG RESOURCES INC
|
9.44% | $61,878,273.12 | 428,016 |
|
-
VALERO ENERGY CORP/TX
|
9.07% | $59,447,448.00 | 240,600 |
|
-
Phillips 66
|
7.29% | $47,811,865.74 | 262,443 |
|
-
Diamondback Energy, Inc.
|
4.81% | $31,496,079.60 | 159,240 |
|
-
DEVON ENERGY CORP/DE
|
4.47% | $29,315,878.48 | 582,589 |
|
-
Marathon Petroleum Corp
|
4.43% | $29,065,477.94 | 119,033 |
|
-
EQT Corp
|
4.11% | $26,909,092.12 | 422,833 |
|
-
COTERRA ENERGY INC
|
3.82% | $25,039,463.82 | 712,563 |
|
-
EXPAND ENERGY Corp
|
3.75% | $24,558,115.34 | 223,703 |
|
-
Texas Pacific Land Corp
|
3.72% | $24,404,248.00 | 51,425 |
|
-
Ovintiv Inc.
|
2.36% | $15,481,266.08 | 260,803 |
|
-
BLACKROCK FUNDS III
|
2.36% | $15,479,419.10 | 15,476,324 |
|
-
Permian Resources Corp
|
2.26% | $14,825,629.52 | 695,386 |
|
-
APA Corp
|
2.16% | $14,137,867.44 | 333,126 |
|
-
ANTERO RESOURCES Corp
|
1.78% | $11,683,562.24 | 275,296 |
|
-
RANGE RESOURCES CORP
|
1.53% | $10,054,537.92 | 222,544 |
|
-
HF Sinclair Corp
|
1.40% | $9,162,533.01 | 146,859 |
|
-
Viper Energy, Inc.
|
1.25% | $8,201,399.65 | 174,535 |
|
-
Chord Energy Corp
|
1.16% | $7,593,975.98 | 53,411 |
|
-
Venture Global, Inc.
|
1.08% | $7,097,988.80 | 450,380 |
|
-
Matador Resources Co
|
1.06% | $6,932,046.42 | 109,719 |
|
-
SM Energy Co
|
1.01% | $6,628,992.72 | 212,604 |
|
-
Magnolia Oil & Gas Corp
|
0.82% | $5,363,585.15 | 169,895 |
|
-
MURPHY OIL CORP
|
0.79% | $5,198,531.25 | 126,025 |
|
-
CNX Resources Corp
|
0.79% | $5,154,906.00 | 133,720 |
|
-
California Resources Corp
|
0.78% | $5,108,297.56 | 73,798 |
|
-
PBF Energy Inc.
|
0.57% | $3,714,121.90 | 77,995 |
|
-
GULFPORT ENERGY CORP
|
0.47% | $3,111,559.99 | 14,707 |
|
-
Crescent Energy Co
|
0.47% | $3,083,427.00 | 228,402 |
|
-
PAR PACIFIC HOLDINGS, INC.
|
0.45% | $2,961,118.08 | 47,272 |
|
-
NORTHERN OIL & GAS, INC.
|
0.44% | $2,865,241.52 | 98,024 |
|
-
Delek US Holdings, Inc.
|
0.39% | $2,538,432.54 | 56,322 |
|
-
Calumet, Inc. /DE
|
0.33% | $2,160,390.20 | 60,178 |
|
-
Sable Offshore Corp.
|
0.29% | $1,908,852.96 | 115,548 |
|
-
TALOS ENERGY INC.
|
0.28% | $1,858,702.88 | 117,938 |
|
-
COMSTOCK RESOURCES INC
|
0.24% | $1,562,892.28 | 74,141 |
|
-
Kosmos Energy Ltd.
|
0.23% | $1,505,400.58 | 541,511 |
|
-
REX AMERICAN RESOURCES Corp
|
0.19% | $1,214,030.37 | 26,641 |
|
-
WORLD KINECT CORP
|
0.18% | $1,206,076.53 | 52,279 |
|
-
Green Plains Inc.
|
0.16% | $1,080,797.90 | 65,702 |
|
-
BKV Corp
|
0.15% | $977,266.32 | 34,266 |
|
-
CVR ENERGY INC
|
0.15% | $954,684.15 | 28,371 |
|
-
BLACKROCK CASH FUNDS TREASURY SL AGENCY SHARES
|
0.10% | $680,010.42 | 680,010 |
|
-
VAALCO ENERGY INC /DE/
|
0.09% | $621,827.20 | 98,080 |
|
-
SANDRIDGE ENERGY INC
|
0.07% | $484,553.79 | 29,709 |
|
-
Vitesse Energy, Inc.
|
0.07% | $482,311.44 | 26,559 |
|
-
Clean Energy Fuels Corp.
|
0.06% | $404,192.88 | 162,981 |
|
-
APPLIED MATERIALS INC /DE
|
0.00% | $24,253.94 | 4 |
Advertisement (320x50)