| 1 | VLTO | Veralto Corporation | 24.58B | 1.74% | 2,183,705 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.80B | 2.66% | 740,031 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.61B | 2.38% | 305,817 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 1.79B | 1.00% | 455,162 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.49B | 2.98% | 5,126,183 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 722.54M | 2.71% | 525,972 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 347.41M | 2.35% | 362,360 | 160.66K |
| 8 | ARQ | Arq, Inc. | 149.43M | 6.06% | 634,275 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 63.21M | 5.62% | 9,124,143 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 53.14M | 6.87% | 479,117 | 24.71M |
| 11 | CLIR | ClearSign Technologies Corporation | 43.31M | -0.97% | 88,147 | 2.15M |
| 12 | SCWO | 374Water Inc. | 39.55M | -6.52% | 2,192,761 | 1.91M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 36.34M | 6.21% | 23,164 | - |
| 14 | LIQT | LiqTech International, Inc. | 18.39M | 1.06% | 2,022 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 15.79M | 1.29% | 6,221 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.53M | 0.90% | 2,736,524 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 5.34M | -5.44% | 31,177 | 25.79K |
