| 1 | VLTO | Veralto Corporation | 21.08B | -1.01% | 2,512,798 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.15B | -1.89% | 669,557 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 6.97B | -1.03% | 272,293 | 2.34B |
| 4 | CECO | CECO Environmental Corp. | 2.98B | 3.34% | 716,297 | 803.60M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.84B | 4.51% | 4,649,796 | 10.90M |
| 6 | ADUR | Aduro Clean Technologies Inc. | 430.39M | -3.77% | 329,516 | 177.37K |
| 7 | ERII | Energy Recovery, Inc. | 428.34M | -4.81% | 3,479,848 | 136.63M |
| 8 | ZONE | CleanCore Solutions, Inc. | 121.95M | 25.86% | 4,885,519 | 3.41M |
| 9 | ARQ | Arq, Inc. | 109.46M | -5.90% | 211,359 | 122.14M |
| 10 | FTEK | Fuel Tech, Inc. | 44.87M | -1.37% | 147,107 | 26.38M |
| 11 | SCWO | 374Water Inc. | 38.72M | 2.07% | 46,891 | 215.04K |
| 12 | BCHT | Birchtech Corp. | 35.25M | 1.52% | 224,044 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 24.07M | -2.20% | 16,117 | 5.23M |
| 14 | LIQT | LiqTech International, Inc. | 21.79M | -2.67% | 44,644 | 16.51M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.56M | 3.33% | 482,494 | 5.71M |
| 16 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 12.37M | 4.14% | 13,579 | - |
| 17 | CLWT | Euro Tech Holdings Company Limited | 8.90M | 2.62% | 11,163 | 13.27M |
| 18 | DEVS | DevvStream Corp. | 841.44K | -5.46% | 972,318 | 33.94K |
