| 1 | CCJ | Cameco Corporation | 10.07% |
| 2 | CEG | Constellation Energy Corporation | 8.74% |
| 3 | LEU | Centrus Energy Corp. | 3.63% |
| 4 | SMR | NuScale Power Corporation | 3.55% |
| 5 | GEV | GE Vernova Inc. | 3.34% |
| 6 | OKLO | Oklo Inc. | 3.03% |
| 7 | VST | Vistra Corp. | 2.68% |
| 8 | CW | Curtiss-Wright Corporation | 2.68% |
| 9 | LON: RR | Rolls-Royce Holdings plc | 2.64% |
| 10 | KRX: 028260 | Samsung C&T Corporation | 2.62% |
| 11 | PWR | Quanta Services, Inc. | 2.58% |
| 12 | ASPI | ASP Isotopes Inc. | 2.45% |
| 13 | BME: ELE | Endesa, S.A. | 2.37% |
| 14 | HON | Honeywell International Inc. | 2.32% |
| 15 | KRX: 015760 | Korea Electric Power Corporation | 2.30% |
| 16 | PRA: CEZ | CEZ, a. s. | 2.26% |
| 17 | TYO: 7011 | Mitsubishi Heavy Industries, Ltd. | 2.25% |
| 18 | LTBR | Lightbridge Corporation | 2.22% |
| 19 | LMT | Lockheed Martin Corporation | 2.16% |
| 20 | EMR | Emerson Electric Co. | 2.10% |
| 21 | TYO: 6501 | Hitachi, Ltd. | 2.04% |
| 22 | HEL: FORTUM | Fortum Oyj | 1.94% |
| 23 | J | Jacobs Solutions Inc. | 1.93% |
| 24 | D | Dominion Energy, Inc. | 1.83% |
| 25 | SIELF | Shanghai Electric Group Co., Ltd. | 1.82% |
| View NUKZ holdings |