| 1 | VLTO | Veralto Corporation | 24.58B | 0.31% | 1,531,045 | 5.45B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 7.72B | -0.88% | 1,548,776 | 1.66B |
| 3 | FSS | Federal Signal Corporation | 6.57B | -0.18% | 795,155 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.40B | -3.85% | 280,371 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.72B | -6.46% | 3,360,884 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 772.86M | -1.15% | 399,234 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 443.09M | -9.67% | 681,727 | 218.51K |
| 8 | ARQ | Arq, Inc. | 151.99M | -2.47% | 326,946 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 72.47M | -1.77% | 790,519 | 2.61M |
| 10 | SCWO | 374Water Inc. | 52.64M | -3.72% | 119,168 | 1.91M |
| 11 | FTEK | Fuel Tech, Inc. | 42.26M | -2.16% | 208,729 | 24.71M |
| 12 | CLIR | ClearSign Technologies Corporation | 32.22M | -0.41% | 1,306,173 | 2.15M |
| 13 | LIQT | LiqTech International, Inc. | 18.29M | 6.74% | 858 | 16.79M |
| 14 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 18.06M | -13.08% | 23,179 | - |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.96M | -0.96% | 12,895 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 9.66M | -1.84% | 4,559 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 4.47M | -2.86% | 101,065 | 26.89K |
