| 1 | VLTO | Veralto Corporation | 22.89B | -0.37% | 2,490,731 | 5.50B |
| 2 | ZWS | Zurn Elkay Water Solutions Corporation | 8.53B | -0.35% | 793,480 | 1.70B |
| 3 | FSS | Federal Signal Corporation | 7.19B | -1.86% | 366,870 | 2.06B |
| 4 | CECO | CECO Environmental Corp. | 2.81B | -0.27% | 535,456 | 718.25M |
| 5 | PCT | PureCycle Technologies, Inc. | 1.55B | -1.27% | 4,081,614 | 5.66M |
| 6 | ERII | Energy Recovery, Inc. | 841.73M | 1.86% | 332,429 | 135.19M |
| 7 | ADUR | Aduro Clean Technologies Inc. | 361.28M | -0.28% | 151,517 | 218.51K |
| 8 | ARQ | Arq, Inc. | 145.37M | -5.15% | 321,238 | 117.95M |
| 9 | ZONE | CleanCore Solutions, Inc. | 56.43M | 3.08% | 785,472 | 3.42M |
| 10 | SCWO | 374Water Inc. | 47.39M | -1.75% | 44,037 | 1.91M |
| 11 | FTEK | Fuel Tech, Inc. | 42.57M | 8.73% | 286,126 | 24.71M |
| 12 | CLIR | ClearSign Technologies Corporation | 33.67M | 2.28% | 22,233 | 2.15M |
| 13 | RAIN | Rain Enhancement Technologies Holdco, Inc. | 21.55M | 2.16% | 55,444 | - |
| 14 | LIQT | LiqTech International, Inc. | 16.80M | -3.59% | 494 | 16.79M |
| 15 | TOMZ | TOMI Environmental Solutions, Inc. | 14.21M | 0.23% | 8,095 | 5.69M |
| 16 | CLWT | Euro Tech Holdings Company Limited | 8.68M | -4.17% | 1,028 | 14.01M |
| 17 | DEVS | DevvStream Corp. | 3.67M | -1.35% | 23,938 | 26.89K |
