| | PureCycle Technologies Inc Wt | Pollution & Treatment Controls | Industrials | 15.31 | -6.41 | -56.07 | -73.43 | -26.62 | -85.10 | -77.73 | -64.12 |
| | 374Water Inc | Pollution & Treatment Controls | Industrials | 0.00 | -16.95 | -20.97 | 27.60 | -23.20 | -63.19 | -83.45 | -81.99 |
| | Zurn Elkay Water Solutions Corp | Pollution & Treatment Controls | Industrials | 0.00 | -2.38 | 1.65 | -0.17 | -5.56 | 2.52 | 29.10 | 78.55 |
| | Zone Frontier Inc Cl B | Pollution & Treatment Controls | Industrials | 0.00 | -9.01 | -17.23 | -82.99 | -65.12 | -93.70 | -90.98 | -96.65 |
| | Veralto Corp | Pollution & Treatment Controls | Industrials | 0.00 | 1.69 | 1.97 | 5.69 | 8.09 | -2.94 | -12.71 | 33.73 |
| | Arq Inc | Pollution & Treatment Controls | Industrials | 0.00 | -2.97 | -8.41 | -11.71 | -7.55 | -72.82 | -63.30 | -40.79 |
| | Aduro Clean Technologies Inc | Pollution & Treatment Controls | Industrials | 0.00 | -9.89 | -15.34 | -29.85 | -0.64 | -35.29 | 157.18 | 157.18 |
| | Birchtech Corp | Pollution & Treatment Controls | Industrials | 0.00 | -4.11 | -4.11 | -27.08 | -19.08 | -58.31 | -60.56 | -60.56 |
| | Rain Enhancement Technologies Holdco Inc Wt | Pollution & Treatment Controls | Industrials | 0.00 | -10.53 | 21.43 | -8.06 | -17.19 | -3.97 | -51.43 | -51.43 |
| | Cadiz Inc | Pollution & Treatment Controls | Industrials | 0.00 | 0.84 | 0.00 | -5.88 | -25.47 | -32.58 | 21.21 | 26.76 |
| | Ceco Environmental Corp | Pollution & Treatment Controls | Industrials | 0.00 | -13.77 | -8.53 | -21.07 | -3.32 | 33.22 | 139.14 | 296.56 |
| | Euro Tech Holdings Co Ltd | Pollution & Treatment Controls | Industrials | 0.00 | 62.26 | 36.08 | 30.30 | 72.00 | 70.63 | 34.38 | 73.11 |
| | Fuel Tech Inc | Pollution & Treatment Controls | Industrials | 0.00 | 0.00 | -5.71 | 3.77 | 28.91 | -44.07 | 61.76 | 47.32 |
| | Energy Recovery Inc | Pollution & Treatment Controls | Industrials | 0.00 | 0.51 | -3.17 | -20.73 | -39.83 | -55.88 | -62.63 | -66.66 |
| | ClearSign Technologies Corp | Pollution & Treatment Controls | Industrials | 0.00 | -10.30 | -23.12 | -18.23 | -45.08 | -67.83 | -64.34 | -72.84 |
| | TOMI Environmental Solutions Inc | Pollution & Treatment Controls | Industrials | 0.00 | -5.70 | -5.70 | -35.52 | -12.77 | -49.32 | -32.06 | -45.42 |
| | LiqTech International Inc | Pollution & Treatment Controls | Industrials | 0.00 | -6.88 | -45.90 | -48.08 | -76.43 | -85.76 | -82.17 | -88.28 |
| | PureCycle Technologies Inc | Pollution & Treatment Controls | Industrials | 0.00 | -11.98 | -38.46 | -46.27 | -41.94 | -72.67 | -61.58 | -27.86 |
| | PureCycle Technologies Inc Un | Pollution & Treatment Controls | Industrials | 0.00 | -15.68 | -26.57 | -26.57 | -72.94 | -62.10 | -68.41 | -43.14 |
| | Rain Enhancement Technologies Holdco Inc Cl A | Pollution & Treatment Controls | Industrials | 0.00 | -9.50 | -4.47 | -59.60 | -68.97 | -85.65 | -90.56 | -29.46 |
| | Cadiz Inc Dep. Pfd (Rep. 1/1000th Share Pfd A) | Pollution & Treatment Controls | Industrials | 0.00 | -1.44 | -5.13 | -4.92 | 9.65 | 16.28 | 69.36 | 79.09 |