| 1 | VLTO | Veralto Corporation | 24.43B | -1.21% | 1,381,429 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.69B | -0.97% | 604,970 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.65B | -0.84% | 673,444 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.06B | 3.39% | 335,552 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.66B | 0.66% | 1,859,486 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 753.79M | -1.86% | 443,705 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 393.52M | -3.77% | 213,616 | 160.66K |
| 8 | ARQ | Arq, Inc. | 156.26M | -0.54% | 247,304 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 71.85M | 11.81% | 4,144,178 | 2.61M |
| 10 | FTEK | Fuel Tech, Inc. | 57.49M | 2.78% | 106,657 | 24.71M |
| 11 | SCWO | 374Water Inc. | 46.78M | 2.94% | 917,652 | 1.91M |
| 12 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 42.18M | 1.65% | 9,449 | - |
| 13 | CLIR | ClearSign Technologies Corporation | 40.19M | 0.57% | 30,377 | 2.15M |
| 14 | LIQT | LiqTech International, Inc. | 19.06M | -1.00% | 2,320 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 16.49M | -0.28% | 6,011 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.91M | 1.74% | 15,342 | 15.38M |
| 17 | DEVS | DevvStream Corp. | 6.38M | -1.19% | 115,423 | 25.79K |
