| 1 | VLTO | Veralto Corporation | 22.04B | 1.06% | 537,942 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.95B | 4.54% | 266,295 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 6.85B | 3.68% | 256,456 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.23B | 6.26% | 246,059 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 971.40M | -1.19% | 2,813,564 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 567.12M | 3.92% | 297,078 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 344.40M | 1.86% | 156,491 | 218.51K |
| 8 | ARQ | Arq, Inc. | 98.55M | -3.77% | 158,611 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 73.55M | 2.46% | 633,056 | 3.42M |
| 10 | SCWO | 374Water Inc. | 50.23M | 7.87% | 27,060 | 215.04K |
| 11 | BCHT | Birchtech Corp. | 49.98M | 1.06% | 30,628 | 17.63M |
| 12 | FTEK | Fuel Tech, Inc. | 39.31M | 0.79% | 163,263 | 26.68M |
| 13 | CLIR | ClearSign Technologies Corporation | 32.02M | -3.75% | 30,533 | 5.23M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 20.41M | -2.18% | 10,074 | - |
| 15 | LIQT | LiqTech International, Inc. | 18.40M | 7.56% | 4,218 | 16.51M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 11.86M | 1.32% | 29,498 | 5.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.43M | 2.45% | 393 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 3.33M | -1.79% | 28,495 | 33.94K |
