| 1 | VLTO | Veralto Corporation | 21.30B | 2.22% | 2,093,669 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.01B | -0.08% | 717,147 | 1.74B |
| 3 | FSS | Federal Signal Corporation | 6.88B | 1.24% | 352,386 | 2.34B |
| 4 | CECO | CECO Environmental Corp. | 2.85B | -1.73% | 694,117 | 803.60M |
| 5 | PCT | PureCycle Technologies, Inc. | 2.32B | 1.91% | 7,729,589 | 10.90M |
| 6 | ERII | Energy Recovery, Inc. | 467.00M | 7.73% | 1,335,538 | 136.63M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 463.70M | 2.83% | 563,414 | 177.37K |
| 8 | ZONE | CleanCore Solutions, Inc. | 130.52M | 4.75% | 2,931,695 | 3.41M |
| 9 | ARQ | Arq, Inc. | 110.75M | -1.53% | 147,275 | 122.14M |
| 10 | FTEK | Fuel Tech, Inc. | 45.18M | -1.69% | 98,399 | 26.38M |
| 11 | SCWO | 374Water Inc. | 38.20M | -3.10% | 39,700 | 223.09K |
| 12 | BCHT | Birchtech Corp. | 37.62M | -3.38% | 99,530 | 17.63M |
| 13 | CLIR | ClearSign Technologies Corporation | 23.85M | -6.37% | 25,381 | 5.02M |
| 14 | LIQT | LiqTech International, Inc. | 19.50M | -4.39% | 12,962 | 16.03M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.72M | -7.78% | 335,692 | 5.71M |
| 16 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 13.39M | -6.03% | 14,445 | 10.50K |
| 17 | CLWT | Euro Tech Holdings Company Limited | 8.75M | -3.33% | 2,293 | 13.27M |
| 18 | DEVS | DevvStream Corp. | 880.39K | -12.70% | 1,670,410 | 33.94K |
