| 1 | PLUG | Plug Power Inc. | 17.53% |
| 2 | BE | Bloom Energy Corporation | 10.99% |
| 3 | ETR: F3C | SFC Energy AG | 9.52% |
| 4 | KRX: 336260 | Doosan Fuel Cell Co., Ltd. | 7.94% |
| 5 | ITM.L | ITM Power PLC | 6.36% |
| 6 | FCEL | FuelCell Energy, Inc. | 5.93% |
| 7 | AFC.L | AFC Energy PLC | 4.89% |
| 8 | TSX: BLDP | Ballard Power Systems Inc. | 4.35% |
| 9 | LON: CWR | Ceres Power Holdings plc | 4.29% |
| 10 | OSL: NEL | Nel ASA | 4.09% |
| 11 | KRX: 271940 | Iljin Hysolus Co., Ltd. | 4.05% |
| 12 | STO: PCELL | PowerCell Sweden AB (publ) | 3.96% |
| 13 | HKG: 2402 | Beijing SinoHytec Co., Ltd. | 3.83% |
| 14 | KOSDAQ: 382900 | Bumhan Fuel Cell Co., Ltd. | 2.00% |
| 15 | KOSDAQ: 288620 | S-Fuelcell co., Ltd. | 1.81% |
| 16 | TYO: 7203 | Toyota Motor Corporation | 1.66% |
| 17 | APD | Air Products and Chemicals, Inc. | 1.65% |
| 18 | CMI | Cummins Inc. | 1.58% |
| 19 | LON: JMAT | Johnson Matthey Plc | 1.23% |
| 20 | KRX: 000150 | Doosan Corporation | 0.84% |
| 21 | SHE: 300115 | Shenzhen Everwin Precision Technology Co., Ltd. | 0.73% |
| 22 | EPA: OPM | OPmobility SE | 0.27% |
| 23 | KOSDAQ: 059090 | MiCo Ltd. | 0.26% |
| 24 | SGX: MZH | Nanofilm Technologies International Limited | 0.26% |
| 25 | HY | Hyster-Yale, Inc. | 0.23% |
| View HYDR holdings |