| 1 | VLTO | Veralto Corporation | 25.62B | 0.86% | 1,036,485 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.91B | 1.55% | 944,740 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 7.11B | 0.52% | 362,975 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.36B | 0.67% | 281,209 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 2.00B | -3.10% | 6,113,571 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 757.50M | 0.56% | 340,923 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 466.36M | -4.11% | 788,585 | 218.51K |
| 8 | ARQ | Arq, Inc. | 154.98M | 0.28% | 242,010 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 82.54M | -4.65% | 2,138,963 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 49.72M | 4.58% | 136,375 | 24.71M |
| 11 | SCWO | 374Water Inc. | 42.31M | -0.40% | 89,876 | 1.91M |
| 12 | CLIR | ClearSign Technologies Corporation | 42.09M | 4.91% | 249,119 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 25.26M | -4.86% | 18,542 | - |
| 14 | LIQT | LiqTech International, Inc. | 17.47M | -1.64% | 2,172 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 15.76M | -0.13% | 10,347 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.98M | -2.22% | 2,284 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 4.73M | -20.59% | 1,179,147 | 26.89K |
