| 1 | VLTO | Veralto Corporation | 24.53B | 0.22% | 1,546,600 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.71B | -0.67% | 683,429 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.67B | -0.09% | 342,568 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 1.76B | 0.41% | 367,218 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.66B | 3.49% | 6,224,911 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 770.74M | 0.14% | 502,407 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 346.63M | 0.54% | 330,688 | 160.66K |
| 8 | ARQ | Arq, Inc. | 150.71M | -0.98% | 451,656 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 72.40M | -4.66% | 4,968,274 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 57.18M | - | 188,940 | 24.71M |
| 11 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 47.04M | 11.31% | 53,632 | - |
| 12 | CLIR | ClearSign Technologies Corporation | 46.21M | 1.84% | 265,612 | 2.15M |
| 13 | SCWO | 374Water Inc. | 43.19M | -0.85% | 2,780,580 | 1.91M |
| 14 | LIQT | LiqTech International, Inc. | 19.47M | -10.00% | 18,589 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.47M | 1.31% | 41,212 | 6.22M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.45M | - | 7,265 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 6.34M | -3.68% | 23,092 | 25.79K |
