| 1 | VLTO | Veralto Corporation | 22.87B | 0.67% | 1,727,077 | 5.59B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.92B | -3.44% | 1,076,370 | 1.74B |
| 3 | CECO | CECO Environmental Corp. | 4.60B | -2.33% | 719,151 | 803.60M |
| 4 | PCT | PureCycle Technologies, Inc. | 1.42B | -7.62% | 4,007,206 | 10.90M |
| 5 | ADUR | Aduro Clean Technologies Inc. | 543.75M | -2.79% | 415,658 | 177.37K |
| 6 | ERII | Energy Recovery, Inc. | 453.60M | -2.22% | 537,738 | 136.63M |
| 7 | ZONE | CleanCore Solutions, Inc. | 181.19M | -6.16% | 1,178,175 | 3.41M |
| 8 | ARQ | Arq, Inc. | 95.08M | -0.23% | 464,924 | 122.14M |
| 9 | FTEK | Fuel Tech, Inc. | 55.47M | -3.78% | 73,718 | 26.38M |
| 10 | BCHT | Birchtech Corp. | 55.24M | -0.94% | 56,891 | 18.65M |
| 11 | SCWO | 374Water Inc. | 34.82M | -3.40% | 66,861 | 223.09K |
| 12 | LIQT | LiqTech International, Inc. | 22.55M | -7.05% | 304,842 | 16.03M |
| 13 | CLIR | ClearSign Technologies Corporation | 20.78M | -6.34% | 13,004 | 5.02M |
| 14 | TOMZ | TOMI Environmental Solutions, Inc. | 19.82M | 1.21% | 40,071 | 5.71M |
| 15 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 15.72M | -1.54% | 34,083 | 10.50K |
| 16 | CLWT | Euro Tech Holdings Company Limited | 10.97M | -12.43% | 109,097 | 13.27M |
