Below, a list of constituents for IEO (iShares U.S. Oil & Gas Exploration & Production ETF) is shown. In total, IEO consists of 50 securities.
Note: The data shown here is as of date Feb 28, 2026 (the latest that can be sourced directly from the fund provider).
Click here to go back to the full list of ETFs.
| Ticker | Name | Sector | Asset Class | Market Value | Weight (%) |
| COP | CONOCOPHILLIPS | Energy | Equity | 112953894.12 | 19.24 |
| EOG | EOG RESOURCES INC | Energy | Equity | 54989840.16 | 9.36 |
| PSX | PHILLIPS | Energy | Equity | 52664884.92 | 8.97 |
| MPC | MARATHON PETROLEUM CORP | Energy | Equity | 41898080.46 | 7.14 |
| TPL | TEXAS PACIFIC LAND CORP | Energy | Equity | 28535835.51 | 4.86 |
| VLO | VALERO ENERGY CORP | Energy | Equity | 28324235.16 | 4.82 |
| DVN | DEVON ENERGY CORP | Energy | Equity | 26032892.55 | 4.43 |
| FANG | DIAMONDBACK ENERGY INC | Energy | Equity | 24383173.23 | 4.15 |
| EQT | EQT CORP | Energy | Equity | 24077921.24 | 4.1 |
| CTRA | COTERRA ENERGY INC | Energy | Equity | 23050061.97 | 3.93 |
| EXE | EXPAND ENERGY CORP | Energy | Equity | 19785142.19 | 3.37 |
| OVV | OVINTIV INC | Energy | Equity | 14396871.0 | 2.45 |
| PR | PERMIAN RESOURCES CORP CLASS A | Energy | Equity | 12488154.3 | 2.13 |
| APA | APA CORP | Energy | Equity | 11457090.7 | 1.95 |
| AR | ANTERO RESOURCES CORP | Energy | Equity | 11246076.82 | 1.92 |
| RRC | RANGE RESOURCES CORP | Energy | Equity | 9659326.05 | 1.64 |
| DINO | HF SINCLAIR CORP | Energy | Equity | 8275212.29 | 1.41 |
| VNOM | VIPER ENERGY INC CLASS A | Energy | Equity | 7792484.8 | 1.33 |
| CHRD | CHORD ENERGY CORP | Energy | Equity | 6708983.3 | 1.14 |
| MTDR | MATADOR RESOURCES | Energy | Equity | 6153159.36 | 1.05 |
| SM | SM ENERGY | Energy | Equity | 5655164.04 | 0.96 |
| VG | VENTURE GLOBAL INC CLASS A | Energy | Equity | 5511349.96 | 0.94 |
| CNX | CNX RESOURCES CORP | Energy | Equity | 5295687.68 | 0.9 |
| MGY | MAGNOLIA OIL GAS CORP CLASS A | Energy | Equity | 5035182.97 | 0.86 |
| CRC | CALIFORNIA RESOURCES CORP | Energy | Equity | 4631297.28 | 0.79 |
| MUR | MURPHY OIL CORP | Energy | Equity | 4498493.44 | 0.77 |
| PBF | PBF ENERGY INC CLASS A | Energy | Equity | 3354846.43 | 0.57 |
| GPOR | GULFPORT ENERGY CORP | Energy | Equity | 2924885.92 | 0.5 |
| CRGY | CRESCENT ENERGY CLASS A | Energy | Equity | 2671520.0 | 0.45 |
| PARR | PAR PACIFIC HOLDINGS INC | Energy | Equity | 2502748.8 | 0.43 |
| NOG | NORTHERN OIL AND GAS INC | Energy | Equity | 2492331.4 | 0.42 |
| DK | DELEK US HOLDINGS INC | Energy | Equity | 2307886.56 | 0.39 |
| SOC | SABLE OFFSHORE CORP CLASS A | Energy | Equity | 1864257.01 | 0.32 |
| CLMT | CALUMET INC | Energy | Equity | 1696488.92 | 0.29 |
| TALO | TALOS ENERGY INC | Energy | Equity | 1602901.63 | 0.27 |
| CRK | COMSTOCK RESOURCES INC | Energy | Equity | 1521352.8 | 0.26 |
| WKC | WORLD KINECT CORP | Energy | Equity | 1172759.85 | 0.2 |
| REX | REX AMERICAN RESOURCES CORP | Energy | Equity | 1063782.72 | 0.18 |
| KOS | KOSMOS ENERGY LTD | Energy | Equity | 1036951.84 | 0.18 |
| GPRE | GREEN PLAINS INC | Energy | Equity | 1003599.52 | 0.17 |
| XTSLA | BLK CSH FND TREASURY SL AGENCY | Cash and/or Derivatives | Money Market | 825329.07 | 0.14 |
| CVI | CVR ENERGY INC | Energy | Equity | 795324.26 | 0.14 |
| USD | USD CASH | Cash and/or Derivatives | Cash | 688454.65 | 0.12 |
| BKV | BKV CORP | Energy | Equity | 673816.0 | 0.11 |
| EGY | VAALCO ENERGY INC | Energy | Equity | 539701.26 | 0.09 |
| VTS | VITESSE ENERGY INC | Energy | Equity | 509719.56 | 0.09 |
| CLNE | CLEAN ENERGY FUELS CORP | Energy | Equity | 344819.31 | 0.06 |
| SGAFT | CASH COLLATERAL USD SGAFT | Cash and/or Derivatives | Cash Collateral and Margins | 113000.0 | 0.02 |
| IXPM6 | EMINI ENERGY SELECT SECTOR JUN 26 | Cash and/or Derivatives | Futures | 0.0 | 0.0 |
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