| Ticker | Company | Mkt Cap▼ | Price | Chg% | Volume |
|---|---|---|---|---|---|
| Donaldson Company, Inc. | $9.6b | $85.48 | +0.3% | 83.8K | |
| Amentum Holdings, Inc. | $6.1b | $27.10 | +0.2% | 228.0K | |
| Perimeter Solutions, Inc. | $3.2b | $25.20 | -1.5% | 258.6K | |
| Ceco Environmental Corp | $2.0b | $60.18 | -3.2% | 207.6K | |
| Ecovyst Inc. | $1.4b | $12.98 | -0.4% | 586.1K | |
| Flowco Holdings Inc. | $0.8b | $20.36 | -1.3% | 297.0K | |
| Montrose Environmental Group, Inc. | $0.8b | $22.68 | -0.5% | 62.3K | |
| Hudson Technologies Inc | $242.9m | $5.86 | +0.3% | 64.0K | |
| ClearSign Technologies Corporation Common Stock (DE) | $208.3m | $6.32 | +30.9% | 516.8K | |
| Perma-Fix Environmental Services, Inc. | $192.9m | $11.53 | +0.7% | 29.7K | |
| Arq, Inc. Common Stock | $106.7m | $2.50 | +1.4% | 117.3K | |
| Bridger Aerospace Group Holdings, Inc. Common Stock | $96.2m | $2.12 | +4.8% | 305.5K | |
| Birchtech Corp. | $49.2m | $1.86 | -0.1% | 138.0K | |
| Fuel Tech, Inc. | $36.5m | $1.20 | -2.0% | 68.7K | |
| LiqTech International, Inc. | $18.6m | $1.79 | -8.7% | 9.1K | |
| TOMI Environmental Solutions, Inc. | $12.1m | $0.57 | -5.6% | 61.4K | |
| Euro Tech Holdings Co Ltd. New | $9.2m | $1.22 | -0.1% | 1.0K | |
| JE Cleantech Holdings Limited Ordinary Shares | $9.0m | $1.31 | -2.6% | 131.0K | |
| CleanCore Solutions Inc. | $2.9m | $0.35 | +0.6% | 371.9K |