| 持股明細(資料日期：2025/06/30) |
| 持股名稱 | 比例 |
| Exxon Mobil Corp. | 22.48% |
| Chevron Corp. | 13.16% |
| ConocoPhillips | 6.15% |
| Williams Cos. Inc. | 4.15% |
| EOG Resources Inc. | 3.62% |
| Kinder Morgan Inc./DE | 3.18% |
| Cheniere Energy Inc. | 2.96% |
| Marathon Petroleum Corp. | 2.90% |
| ONEOK Inc. | 2.76% |
| Phillips 66 | 2.67% |
| Schlumberger Ltd. | 2.47% |
| Valero Energy Corp. | 2.31% |
| Hess Corp. | 2.21% |
| Baker Hughes Co. Class A | 2.06% |
| Targa Resources Corp. | 2.06% |
| EQT Corp. | 1.80% |
| Diamondback Energy Inc. | 1.43% |
| Occidental Petroleum Corp. | 1.41% |
| Expand Energy Corp. | 1.34% |
| Texas Pacific Land Corp. | 1.13% |
| Cabot Oil & Gas Corp. | 1.06% |
| Halliburton Co. | 0.98% |
| Devon Energy Corp. | 0.85% |
| TechnipFMC plc | 0.82% |
| Antero Resources Corp. | 0.67% |
| DT Midstream Inc. | 0.61% |
| Ovintiv Inc. | 0.55% |
| Range Resources Corp. | 0.55% |
| Permian Resources Corp. Class A | 0.45% |
| Antero Midstream Corp. | 0.40% |
| APA Corp. | 0.38% |
| HF Sinclair Corp | 0.38% |
| Chord Energy Corp. | 0.34% |
| Matador Resources Co. | 0.33% |
| CNX Resources Corp. | 0.30% |
| NOV Inc. | 0.28% |
| Hess Midstream LP Class A | 0.28% |
| Viper Energy Partners LP | 0.28% |
| ChampionX Corp. | 0.27% |
| Archrock Inc. | 0.23% |
| Magnolia Oil & Gas Corp. Class A | 0.23% |
| Plains GP Holdings LP Class A | 0.23% |
| Core Natural Resources Inc. | 0.22% |
| Noble Corp. plc | 0.21% |
| Weatherford International plc | 0.21% |
| Centrus Energy Corp. Class A | 0.20% |
| Murphy Oil Corp. | 0.19% |
| Gulfport Energy Corp. | 0.19% |
| California Resources Corp. | 0.18% |
| Cactus Inc. Class A | 0.18% |
| Uranium Energy Corp. | 0.18% |
| SM Energy Co. | 0.17% |
| Valaris Ltd. | 0.17% |
| Comstock Resources Inc. | 0.17% |
| Northern Oil & Gas Inc. | 0.16% |
| Patterson-UTI Energy Inc. | 0.14% |
| Tidewater Inc. | 0.14% |
| Civitas Resources Inc. | 0.13% |
| Oceaneering International Inc. | 0.13% |
| Kinetik Holdings Inc. Class A | 0.12% |
| Par Pacific Holdings Inc. | 0.12% |
| PBF Energy Inc. Class A | 0.12% |
| Transocean Ltd. | 0.12% |
| World Fuel Services Corp. | 0.12% |
| Kodiak Gas Services Inc. | 0.11% |
| Liberty Oilfield Services Inc. Class A | 0.11% |
| Peabody Energy Corp. | 0.11% |
| Crescent Energy Co. Class A | 0.10% |
| Delek US Holdings Inc. | 0.10% |
| NextDecade Corp. | 0.10% |
| International Seaways Inc. | 0.10% |
| Sitio Royalties Corp. Class A | 0.10% |
| Talos Energy Inc. | 0.09% |
| Seadrill Ltd. | 0.09% |
| Helmerich & Payne Inc. | 0.09% |
| Kimbell Royalty Partners LP | 0.08% |
| CVR Energy Inc. | 0.08% |
| Excelerate Energy Inc. Class A | 0.07% |
| Calumet Inc. | 0.07% |
| Dorian LPG Ltd. | 0.07% |
| Helix Energy Solutions Group Inc. | 0.07% |
| Sable Offshore Corp. | 0.07% |
| REX American Resources Corp. | 0.07% |
| Solaris Oilfield Infrastructure Inc. Class A | 0.06% |
| Bristow Group Inc. | 0.06% |
| Vitesse Energy Inc. | 0.06% |
| Select Energy Services Inc. Class A | 0.06% |
| Expro Group Holdings NV | 0.06% |
| Innovex International Inc. | 0.05% |
| Kosmos Energy Ltd. | 0.05% |
| Atlas Energy Solutions Inc. | 0.05% |
| Core Laboratories Inc. | 0.05% |
| Aris Water Solutions Inc. Class A | 0.05% |
| VAALCO Energy Inc. | 0.04% |
| Gevo Inc. | 0.04% |
| Granite Ridge Resources Inc. | 0.04% |
| Vital Energy Inc. | 0.04% |
| TETRA Technologies Inc. | 0.04% |
| SandRidge Energy Inc. | 0.04% |
| RPC Inc. | 0.04% |
| ProPetro Holding Corp. | 0.04% |
| Riley Exploration Permian Inc. | 0.03% |
| Ur-Energy Inc. | 0.03% |
| W&T Offshore Inc. | 0.03% |
| Green Plains Inc. | 0.03% |
| HighPeak Energy Inc. | 0.03% |
| Nabors Industries Ltd. | 0.03% |
| New Fortress Energy LLC | 0.03% |
| Oil States International Inc. | 0.03% |
| BKV Corp. | 0.03% |
| DMC Global Inc. | 0.03% |
| Clean Energy Fuels Corp. | 0.03% |
| Berry Petroleum Corp. | 0.02% |
| Ring Energy Inc. | 0.02% |
| Hallador Energy Co. | 0.00% |