| 1 | VLTO | Veralto Corporation | 25.61B | 0.35% | 1,863,876 | 5.28B |
| 2 | FSS | Federal Signal Corporation | 6.57B | 0.99% | 1,023,442 | 1.90B |
| 3 | ZWS | Zurn Elkay Water Solutions Corporation | 6.32B | 0.59% | 1,955,269 | 1.58B |
| 4 | PCT | PureCycle Technologies, Inc. | 3.04B | 2.55% | 6,016,704 | 1.58M |
| 5 | CECO | CECO Environmental Corp. | 1.13B | 0.22% | 192,127 | 608.30M |
| 6 | ERII | Energy Recovery, Inc. | 737.92M | -0.81% | 478,994 | 140.92M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 358.95M | -2.10% | 185,284 | 179.33K |
| 8 | ARQ | Arq, Inc. | 240.60M | -3.23% | 121,452 | 114.47M |
| 9 | FTEK | Fuel Tech, Inc. | 81.87M | 6.40% | 372,515 | 26.56M |
| 10 | CLIR | ClearSign Technologies Corporation | 30.43M | 7.48% | 148,317 | 2.90M |
| 11 | SCWO | 374Water Inc. | 30.17M | -9.35% | 1,528,585 | 673.27K |
| 12 | ZONE | CleanCore Solutions, Inc. | 29.85M | -9.62% | 29,318 | 1.89M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 29.59M | 7.44% | 7,466 | - |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 19.01M | -1.14% | 7,094 | 8.20M |
| 15 | LIQT | LiqTech International, Inc. | 17.79M | -1.07% | 8,815 | 14.99M |
| 16 | DEVS | DevvStream Corp. | 14.52M | 17.30% | 2,566,724 | 10.16K |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.37M | -4.36% | 24,082 | 15.38M |
| 18 | CHNR | China Natural Resources, Inc. | 4.72M | -0.78% | 20,992 | - |
