| Ticker | Company | Mkt Cap▼ | Price | Chg% | Volume |
|---|---|---|---|---|---|
| Donaldson Company, Inc. | $10.2b | $81.94 | -2.3% | 675.2K | |
| Amentum Holdings, Inc. | $6.3b | $22.67 | -2.5% | 1.9M | |
| Perimeter Solutions, Inc. | $5.1b | $33.23 | -2.3% | 1.5M | |
| Ceco Environmental Corp | $2.7b | $80.84 | -6.1% | 433.9K | |
| Ecovyst Inc. | $1.5b | $14.56 | -2.7% | 1.0M | |
| Flowco Holdings Inc. | $1.0b | $27.31 | +1.6% | 838.2K | |
| Montrose Environmental Group, Inc. | $0.8b | $22.14 | 0.0% | 343.7K | |
| Hudson Technologies Inc | $266.7m | $4.93 | +1.9% | 797.9K | |
| Perma-Fix Environmental Services, Inc. | $235.4m | $9.76 | +6.6% | 1.3M | |
| Bridger Aerospace Group Holdings, Inc. Common Stock | $118.6m | $1.68 | -3.2% | 535.1K | |
| Arq, Inc. Common Stock | $97.3m | $2.62 | -0.6% | 174.5K | |
| Fuel Tech, Inc. | $48.3m | $1.48 | +1.7% | 173.9K | |
| Birchtech Corp. | $38.9m | $1.48 | -5.7% | 78.5K | |
| ClearSign Technologies Corporation Common Stock (DE) | $28.8m | $5.31 | +2.0% | 21.7K | |
| LiqTech International, Inc. | $22.1m | $2.19 | +3.3% | 11.7K | |
| TOMI Environmental Solutions, Inc. | $13.6m | $0.77 | -3.6% | 198.7K | |
| Euro Tech Holdings Co Ltd. New | $9.6m | $1.20 | +3.4% | 4.6K | |
| JE Cleantech Holdings Limited Ordinary Shares | $5.8m | $1.25 | -1.6% | 26.2K | |
| CleanCore Solutions Inc. | $2.4m | $0.61 | +3.9% | 2.4M |