| 持股明細(資料日期：2025/05/30) |
| 持股名稱 | 比例 |
| TECHNIPFMC PLC | 6.20% |
| NOBLE CORP PLC | 5.61% |
| VALARIS LTD | 5.31% |
| TIDEWATER INC | 5.15% |
| ARCHROCK INC | 4.88% |
| CACTUS INC A | 4.67% |
| BAKER HUGHES CO | 4.61% |
| CHAMPIONX CORP | 4.41% |
| NOV INC | 4.38% |
| TRANSOCEAN LTD | 4.36% |
| SCHLUMBERGER LTD | 4.34% |
| WEATHERFORD INTERNATIONAL PL | 4.24% |
| LIBERTY ENERGY INC | 4.20% |
| KODIAK GAS SERVICES INC | 4.15% |
| HALLIBURTON CO | 4.15% |
| PATTERSON UTI ENERGY INC | 3.63% |
| SOLARIS ENERGY INFRASTRUCTUR | 3.42% |
| OCEANEERING INTL INC | 3.30% |
| HELMERICH + PAYNE | 3.15% |
| ATLAS ENERGY SOLUTIONS INC | 2.48% |
| EXPRO GROUP HOLDINGS NV | 1.80% |
| SELECT WATER SOLUTIONS INC | 1.70% |
| ARIS WATER SOLUTIONS INC A | 1.60% |
| HELIX ENERGY SOLUTIONS GROUP | 1.49% |
| PROPETRO HOLDING CORP | 1.35% |
| RPC INC | 1.00% |
| INNOVEX INTERNATIONAL INC | 0.96% |
| NPK INTERNATIONAL INC | 0.84% |
| CORE LABORATORIES INC | 0.64% |
| NABORS INDUSTRIES LTD | 0.60% |
| BRISTOW GROUP INC | 0.54% |
| TETRA TECHNOLOGIES INC | 0.50% |
| SSI US GOV MONEY MARKET CLASS | 0.18% |