| Aduro Clean Technologies Inc | Pollution & Treatment Controls | Industrials | -2.27 | -10.30 | 11.42 | 22.94 | 231.00 | 244.24 | 244.24 | 244.24 |
| Arq Inc | Pollution & Treatment Controls | Industrials | -3.04 | -0.45 | -6.82 | 13.75 | 79.14 | 21.38 | 102.42 | 102.42 |
| Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | -4.01 | -1.88 | -0.35 | 52.89 | 152.48 | 78.13 | 196.06 | 333.72 |
| ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | -2.20 | -1.05 | 67.62 | 57.59 | 46.67 | 2.30 | -14.90 | 13.47 |
| Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | 0.80 | -6.13 | -8.03 | -2.02 | 7.23 | -15.44 | -0.84 | -5.80 |
| DevvStream Corp | Pollution & Treatment Controls | Industrials | -1.30 | -2.56 | -16.48 | -38.38 | 5.07 | -78.49 | -78.49 | -78.49 |
| Energy Recovery Inc | Pollution & Treatment Controls | Industrials | -0.09 | 9.76 | 14.79 | 22.78 | 13.01 | -6.94 | -12.02 | -25.51 |
| Federal Signal Corp | Pollution & Treatment Controls | Industrials | 0.64 | 3.92 | -3.64 | 12.53 | 60.84 | 28.71 | 96.86 | 182.65 |
| Fuel Tech Inc | Pollution & Treatment Controls | Industrials | -5.96 | 6.76 | -1.64 | 20.00 | 207.94 | 194.12 | 175.23 | 160.87 |
| LiqTech International Inc | Pollution & Treatment Controls | Industrials | -0.87 | -14.55 | -11.92 | 22.46 | 48.70 | -4.33 | -36.21 | -30.18 |
| PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | -6.80 | -3.09 | -0.15 | -20.24 | 119.70 | 31.86 | 156.53 | 73.39 |
| PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | -12.08 | 3.15 | 4.80 | -28.80 | 293.00 | 24.37 | 131.18 | 29.70 |
| Rain Enhancement Technologies Holdco Inc Cl A | Pollution & Treatment Controls | Industrials | -0.80 | 3.54 | -9.80 | 36.91 | 89.69 | -31.92 | 368.87 | -2.17 |
| Rain Enhancement Technologies Holdco Inc Wt | Pollution & Treatment Controls | Industrials | 0.00 | -7.35 | 8.88 | 22.65 | 73.25 | -47.09 | -47.09 | -47.09 |
| 374Water Inc | Pollution & Treatment Controls | Industrials | -9.92 | -38.90 | 22.74 | 81.61 | 61.46 | -74.06 | -70.79 | -87.34 |
| TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | -4.55 | -7.09 | -12.38 | -6.09 | 20.16 | 17.24 | -8.84 | 28.93 |
| Veralto Corp | Pollution & Treatment Controls | Industrials | 0.83 | 0.87 | -3.63 | -0.11 | 15.01 | -8.69 | 39.10 | 21.72 |
| CleanCore Solutions Inc Cl B | Pollution & Treatment Controls | Industrials | -7.04 | -34.00 | -49.62 | -61.52 | 10.92 | -5.71 | -62.29 | -62.29 |
| Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | -0.39 | 0.35 | -3.11 | 22.77 | 52.83 | 24.12 | 72.88 | 94.17 |