| 1 | VLTO | Veralto Corporation | 21.78B | -0.04% | 383,377 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.56B | -0.13% | 173,142 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 6.58B | -0.93% | 112,748 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.14B | -0.73% | 136,935 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 945.19M | -4.39% | 1,808,686 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 548.89M | -0.29% | 181,975 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 349.64M | -2.37% | 61,950 | 218.51K |
| 8 | ARQ | Arq, Inc. | 100.48M | -5.06% | 111,841 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 71.69M | -6.46% | 294,697 | 3.42M |
| 10 | BCHT | Birchtech Corp. | 49.72M | -3.08% | 10,743 | 17.63M |
| 11 | SCWO | 374Water Inc. | 49.36M | 0.71% | 26,327 | 215.04K |
| 12 | FTEK | Fuel Tech, Inc. | 38.85M | 2.85% | 125,807 | 26.68M |
| 13 | CLIR | ClearSign Technologies Corporation | 31.21M | -16.86% | 60,434 | 5.23M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 21.28M | 3.51% | 5,853 | - |
| 15 | LIQT | LiqTech International, Inc. | 18.30M | -1.08% | 8,372 | 16.51M |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 11.40M | 3.39% | 16,216 | 5.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.36M | 4.20% | 1,104 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 3.21M | -9.76% | 84,301 | 33.94K |
