| Spectaire Holdings Inc | Pollution & Treatment Controls | Industrials | -11.59 | -10.90 | -39.35 | -69.48 | -77.47 | -90.48 | 370.28 | -32.40 |
| China Natural Resources Inc | Pollution & Treatment Controls | Industrials | 2.14 | 0.53 | -15.16 | -40.99 | -42.87 | -58.33 | -72.46 | -86.23 |
| Spectaire Holdings Inc Wt | Pollution & Treatment Controls | Industrials | -14.04 | -34.35 | -50.00 | -23.08 | 35.14 | -40.00 | -40.00 | -40.00 |
| ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | -4.55 | 0.33 | -10.03 | -22.50 | -5.81 | -42.02 | -35.31 | -80.53 |
| PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | 0.00 | 10.77 | -14.29 | -22.16 | 5.88 | -52.32 | -56.36 | -83.60 |
| LiqTech International Inc | Pollution & Treatment Controls | Industrials | 1.53 | -8.90 | 2.31 | -21.76 | -29.07 | -18.90 | -34.80 | -95.45 |
| TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | -3.55 | -6.71 | 21.41 | -15.26 | -40.87 | 8.80 | -8.11 | -77.18 |
| Energy Recovery Inc | Pollution & Treatment Controls | Industrials | -2.35 | -1.79 | 1.33 | -12.51 | -29.48 | -44.45 | -23.19 | -23.79 |
| PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | 4.09 | 10.54 | 4.09 | -9.17 | 21.32 | -21.90 | -38.08 | -61.40 |
| CleanCore Solutions Inc Cl B | Pollution & Treatment Controls | Industrials | -6.59 | 0.31 | -6.86 | -6.86 | -6.86 | -6.86 | -6.86 | -6.86 |
| Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | 0.81 | -0.52 | 4.25 | 4.02 | 7.90 | 50.30 | 18.18 | -1.93 |
| Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | 0.00 | 0.56 | 15.58 | 7.88 | 21.92 | 20.27 | 20.27 | -31.36 |
| Federal Signal Corp | Pollution & Treatment Controls | Industrials | 0.00 | -1.39 | 4.72 | 9.73 | 25.34 | 62.96 | 156.92 | 108.68 |
| Fuel Tech Inc | Pollution & Treatment Controls | Industrials | 0.00 | -4.72 | 8.04 | 11.01 | 14.15 | -9.02 | 1.68 | -39.50 |
| Veralto Corp | Pollution & Treatment Controls | Industrials | 0.15 | 2.18 | 8.89 | 15.07 | 39.18 | 16.08 | 16.08 | 16.08 |
| 374Water Inc | Pollution & Treatment Controls | Industrials | 3.85 | -6.90 | 11.57 | 16.38 | 6.30 | -52.30 | -50.91 | -38.64 |
| Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | -2.05 | -0.40 | 7.36 | 22.58 | 28.42 | 107.79 | 120.14 | 120.14 |
| Atmus Filtration Technologies Inc | Pollution & Treatment Controls | Industrials | -0.63 | -1.92 | -6.52 | 33.24 | 45.34 | 39.03 | 39.03 | 39.03 |
| PureCycle Technologies Inc Un | Pollution & Treatment Controls | Industrials | 0.00 | 0.00 | 1.36 | 83.09 | 16.72 | -7.89 | -32.09 | -78.66 |
| Arq Inc | Pollution & Treatment Controls | Industrials | -2.39 | -1.47 | 1.24 | 113.04 | 122.05 | 122.05 | 122.05 | 122.05 |