| | Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | -3.21 | -10.12 | -15.60 | -18.49 | 10.08 | 47.10 | 111.18 | 111.18 |
| | China Natural Resources Inc | Pollution & Treatment Controls | Industrials | 1.34 | -5.59 | -6.86 | 11.16 | -32.43 | -57.72 | -71.28 | -89.71 |
| | Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | -0.65 | 0.00 | -5.52 | 4.05 | 2.67 | 11.17 | 17.66 | -28.67 |
| | Federal Signal Corp | Pollution & Treatment Controls | Industrials | -3.79 | -3.98 | -12.72 | -18.30 | 0.60 | 41.33 | 77.09 | 89.53 |
| | Fuel Tech Inc | Pollution & Treatment Controls | Industrials | 0.00 | 0.98 | -1.90 | -0.01 | -18.25 | 0.99 | -11.97 | -47.45 |
| | Energy Recovery Inc | Pollution & Treatment Controls | Industrials | 0.00 | 0.06 | 2.70 | 22.50 | 19.87 | 17.50 | -30.59 | -12.92 |
| | ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | 3.89 | 3.60 | 1.48 | 0.29 | 9.16 | 5.83 | 3.92 | -48.04 |
| | TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | -6.55 | -4.73 | 11.78 | 16.72 | 45.25 | -8.66 | 19.73 | -31.32 |
| | LiqTech International Inc | Pollution & Treatment Controls | Industrials | -1.82 | -9.49 | -31.98 | -23.86 | -35.87 | -54.03 | -48.28 | -95.90 |
| | PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | -3.41 | -8.95 | 37.05 | 68.87 | 178.80 | 192.58 | 57.44 | -5.65 |
| | PureCycle Technologies Inc Un | Pollution & Treatment Controls | Industrials | 0.00 | 36.96 | 55.50 | 135.81 | 94.55 | 188.70 | 54.23 | -0.47 |
| | PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | 0.00 | 38.61 | 66.33 | 155.90 | 253.90 | 202.42 | 53.54 | -3.67 |
| | 374Water Inc | Pollution & Treatment Controls | Industrials | -4.29 | -13.81 | 14.71 | 28.93 | 4.70 | -9.30 | -56.06 | -37.60 |
| | Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | 0.56 | -0.55 | 0.45 | 11.50 | 15.99 | 37.84 | 57.23 | 2.25 |
| | Atmus Filtration Technologies Inc | Pollution & Treatment Controls | Industrials | -0.08 | -2.21 | 3.89 | 26.63 | 28.93 | 108.17 | 80.38 | 80.38 |
| | CleanCore Solutions Inc Cl B | Pollution & Treatment Controls | Industrials | -6.43 | -11.49 | 0.00 | -27.22 | -57.74 | -62.57 | -62.57 | -62.57 |
| | Veralto Corp | Pollution & Treatment Controls | Industrials | -1.02 | -3.40 | -8.64 | -4.02 | 9.27 | 48.67 | 20.51 | 20.51 |
| | Arq Inc | Pollution & Treatment Controls | Industrials | -2.50 | -0.17 | -0.17 | -10.40 | -24.48 | 77.04 | 77.04 | 77.04 |
