| | LiqTech International Inc | Pollution & Treatment Controls | Industrials | -13.29 | -8.03 | -23.15 | -73.02 | -64.08 | -69.19 | -73.38 | -83.94 |
| | Birchtech Corp | Pollution & Treatment Controls | Industrials | 8.03 | 7.25 | -22.92 | 12.12 | -53.16 | -52.26 | -58.31 | -58.31 |
| | Rain Enhancement Technologies Holdco Inc Cl A | Pollution & Treatment Controls | Industrials | -3.60 | -15.08 | -37.24 | -26.21 | -52.23 | -69.19 | -85.34 | -0.93 |
| | Energy Recovery Inc | Pollution & Treatment Controls | Industrials | 0.78 | -12.19 | -10.16 | -10.88 | -49.38 | -45.59 | -53.13 | -71.81 |
| | CleanCore Solutions Inc Cl B | Pollution & Treatment Controls | Industrials | -8.11 | -52.61 | -78.96 | -68.49 | -38.30 | -96.31 | -91.47 | -95.86 |
| | Arq Inc | Pollution & Treatment Controls | Industrials | 1.32 | 12.20 | 3.60 | -15.13 | -36.46 | -68.06 | -59.22 | -30.51 |
| | Rain Enhancement Technologies Holdco Inc Wt | Pollution & Treatment Controls | Industrials | 0.00 | -1.92 | -22.14 | -35.44 | -36.25 | -8.93 | -63.57 | -63.57 |
| | ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | -0.86 | 6.28 | 14.20 | -9.14 | -32.23 | -22.01 | -42.41 | -58.66 |
| | TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | -2.89 | -12.04 | -27.30 | -28.21 | -20.13 | -43.43 | -23.59 | -44.00 |
| | PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | -6.27 | 4.37 | 7.01 | -26.54 | -17.78 | -46.01 | 29.19 | -34.46 |
| | 374Water Inc | Pollution & Treatment Controls | Industrials | 0.00 | 2.88 | 20.83 | 6.67 | -11.79 | -9.76 | -75.83 | -87.11 |
| | Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | -1.54 | -3.30 | 8.72 | 2.51 | -0.49 | 13.40 | 73.22 | 77.46 |
| | Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | 2.51 | 9.71 | -7.41 | -5.74 | 0.95 | 61.51 | 173.36 | 459.63 |
| | Veralto Corp | Pollution & Treatment Controls | Industrials | -1.33 | -0.50 | 4.05 | 11.46 | 5.26 | -10.83 | -8.51 | 14.80 |
| | Fuel Tech Inc | Pollution & Treatment Controls | Industrials | 5.00 | 1.38 | -7.55 | 0.68 | 15.75 | -51.80 | 47.00 | 25.64 |
| | Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | -1.14 | 10.13 | -0.55 | 42.70 | 35.63 | 33.00 | 5.19 | 8.03 |
| | Aduro Clean Technologies Inc | Pollution & Treatment Controls | Industrials | -2.33 | -1.00 | -1.64 | 15.66 | 44.03 | 31.32 | 260.59 | 260.59 |
| | PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | 12.43 | 4.19 | -0.50 | -24.62 | 314.58 | -50.25 | 43.17 | -52.84 |