| 1 | VLTO | Veralto Corporation | 22.04B | 0.09% | 291,931 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.65B | 8.16% | 584,980 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 6.95B | 0.53% | 46,224 | 2.18B |
| 4 | CECO | CECO Environmental Corp. | 2.27B | 3.63% | 125,674 | 774.38M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.27B | 5.08% | 929,015 | 8.36M |
| 6 | ERII | Energy Recovery, Inc. | 559.98M | 2.22% | 100,715 | 134.99M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 377.31M | 8.72% | 230,607 | 177.37K |
| 8 | ARQ | Arq, Inc. | 95.34M | 0.23% | 135,807 | 120.34M |
| 9 | ZONE | CleanCore Solutions, Inc. | 65.17M | 0.52% | 309,995 | 3.42M |
| 10 | SCWO | 374Water Inc. | 54.42M | - | 15,855 | 215.04K |
| 11 | FTEK | Fuel Tech, Inc. | 42.06M | -1.46% | 90,630 | 26.68M |
| 12 | BCHT | Birchtech Corp. | 39.99M | -1.30% | 12,600 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 30.02M | 2.78% | 2,903 | 5.23M |
| 14 | LIQT | LiqTech International, Inc. | 23.38M | -2.08% | 17,310 | 16.51M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 20.76M | 3.04% | 1,866 | - |
| 16 | TOMZ | TOMI Environmental Solutions, Inc. | 11.11M | -0.91% | 6,957 | 5.64M |
| 17 | CLWT | Euro Tech Holdings Company Limited | 9.55M | -1.19% | 2 | 14.01M |
| 18 | DEVS | DevvStream Corp. | 2.61M | -9.98% | 182,908 | 33.94K |
