| 1 | VLTO | Veralto Corporation | 22.84B | -3.18% | 2,385,913 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.57B | -0.33% | 956,198 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 7.26B | 0.13% | 326,583 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.68B | -1.42% | 378,085 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.57B | -3.65% | 3,747,544 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 814.18M | -0.45% | 235,099 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 356.75M | -7.07% | 534,221 | 218.51K |
| 8 | ARQ | Arq, Inc. | 154.34M | -4.87% | 351,182 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 49.48M | -8.20% | 1,540,126 | 3.42M |
| 10 | SCWO | 374Water Inc. | 44.51M | -2.59% | 49,991 | 1.91M |
| 11 | FTEK | Fuel Tech, Inc. | 39.46M | -4.51% | 258,357 | 24.71M |
| 12 | CLIR | ClearSign Technologies Corporation | 32.71M | 4.99% | 81,681 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 16.99M | 2.28% | 39,586 | - |
| 14 | LIQT | LiqTech International, Inc. | 16.27M | 4.32% | 1,014 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.87M | 5.00% | 26,043 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.13M | 1.67% | 1,287 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 3.73M | -6.38% | 33,947 | 26.89K |
