The company maintains a healthy capital structure with minimal leverage, evidenced by a debt-to-equity ratio of 0.01 and a substantial cash balance of $9.1M as of 2026Q1.
| Metric | TTM | Dec'25 | Dec'24 | Dec'23 | Dec'22 | Dec'21 | Dec'20 | Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 | Dec'08 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'03 | Dec'02 | Dec'01 | Dec'00 | Dec'99 | Dec'98 | Dec'97 | Dec'96 |
|---|
| Total Current Assets | 27.15M | 31.94M | 29.62M | 38.32M | 35.83M | 41.47M | 21.07M | 21.61M | 40.72M | 33.75M | 40.63M | 52.4M | 58.34M | 69.27M | 59.86M | 66.26M | 54.46M | 42.42M | 58.01M | 67.86M | 56.22M | 33.03M | 15.66M | 15.01M | 20.95M | 15.56M | 17.72M | 19.3M | 15.6M | 2.5M | 4.4M |
| Cash & Short-Term Investments | 21.58M | 24.88M | 18.69M | 29.71M | 26.31M | 35.89M | 10.64M | 12.99M | 12.04M | 8.37M | 11.84M | 21.7M | 18.67M | 27.77M | 24.5M | 28.29M | 30.52M | 20.96M | 28.15M | 32.47M | 32.41M | 16.38M | 6.53M | 7.81M | 10.94M | 9.34M | 8.99M | 9M | 5.8M | 1.9M | 1.3M |
| Cash Only | 9.11M | 11.94M | 8.51M | 17.58M | 23.33M | 35.89M | 10.64M | 12.99M | 12.04M | 8.37M | 11.83M | 21.68M | 18.64M | 27.74M | 24.45M | 28.23M | 30.52M | 20.96M | 28.15M | 30.47M | 24.41M | 10.38M | 6.53M | 7.81M | 10.94M | 9.34M | 8.99M | 9M | 5.8M | 1.9M | 1.3M |
| Short-Term Investments | 12.47M | 12.94M | 10.18M | 12.14M | 2.98M | 0 | 0 | 0 | 0 | 6K | 9K | 19K | 36K | 30K | 44K | 57K | 0 | 0 | 0 | 2M | 8M | 6M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Accounts Receivable | 4.11M | 5.36M | 9.37M | 6.73M | 7.73M | 3.26M | 6.53M | 6.52M | 18.4M | 20.43M | 18.88M | 24.92M | 22.6M | 38.38M | 30.32M | 35.47M | 21.18M | 17.88M | 23.36M | 31.86M | 16.72M | 12.18M | 7.36M | 6.09M | 8.85M | 5.37M | 7.55M | 9.6M | 9M | 400K | 600K |
| Days Sales Outstanding | 71.23 | 73.27 | 136.05 | 90.69 | 104.71 | 49.03 | 105.66 | 78.06 | 118.79 | 165.12 | 124.91 | 123.46 | 104.41 | 128.13 | 113.36 | 138.22 | 94.49 | 91.39 | 105.19 | 144.81 | 81.27 | 84.02 | 87.11 | 62.25 | 98.99 | 110.87 | 125.8 | 105.23 | 126.83 | 1.46K | 1.09K |
| Inventory | 364K | 373K | 397K | 439K | 392K | 348K | 97K | 264K | 957K | 945K | 1.01M | 1.65M | 1.11M | 443K | 513K | 311K | 807K | 450K | 1.01M | 186K | 203K | 358K | 311K | 312K | 420K | 274K | 162K | 200K | 100K | 0 | 0 |
| Days Inventory Outstanding | 11.19 | 9.52 | 9.99 | 10.39 | 9.35 | 10.27 | 2.97 | 4.91 | 9.58 | 12.71 | 10.16 | 13.38 | 9.24 | 2.59 | 3.29 | 2.28 | 6.29 | 3.87 | 8.35 | 1.6 | 1.93 | 4.82 | 6.85 | 5.23 | 8.41 | 11.12 | 5.49 | 4.06 | 2.61 | - | - |
| Other Current Assets | 1.1M | 1.33M | 1.16M | 1.44M | 1.4M | 891K | 2.16M | 1.84M | 6.02M | 1.76M | 6.02M | 239K | 4.81M | 477K | 573K | 163K | 1.95M | 836K | 767K | 1.59M | 4.97M | 3.04M | 500K | 0 | 0 | 0 | 1.02M | 500K | 700K | 200K | 2.5M |
| Total Non-Current Assets | 17.33M | 15.23M | 19.18M | 12.07M | 14.3M | 8.51M | 9.02M | 10.04M | 11M | 16.74M | 17.15M | 23.61M | 33.13M | 40.79M | 46.03M | 46.73M | 48.75M | 49.84M | 30.86M | 19.35M | 9.44M | 9.99M | 8.17M | 6.58M | 4.92M | 4.76M | 5.37M | 5.2M | 3.6M | 3.4M | 4.1M |
| Property, Plant & Equipment | 5.4M | 5.28M | 5.67M | 5.15M | 4.63M | 4.85M | 5.61M | 6.02M | 5.98M | 6.27M | 10.92M | 12M | 13.53M | 13.03M | 13.75M | 13.63M | 14.38M | 15.55M | 17.52M | 11.3M | 4.05M | 4.04M | 2.86M | 2.13M | 2.12M | 1.76M | 1.58M | 1.4M | 1.4M | 0 | 0 |
| Fixed Asset Turnover | 4.91x | 5.06x | 4.43x | 5.26x | 5.82x | 5.00x | 4.02x | 5.06x | 9.46x | 7.20x | 5.05x | 6.14x | 5.84x | 8.39x | 7.10x | 6.87x | 5.69x | 4.59x | 4.63x | 7.10x | 18.54x | 13.08x | 10.77x | 16.80x | 15.37x | 10.06x | 13.83x | 23.79x | 18.50x | - | - |
| Goodwill | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 2.12M | 21.05M | 21.05M | 21.05M | 21.05M | 21.05M | 5.16M | 2.12M | 2.12M | 0 | 0 | 0 | 0 | 2.13M | 0 | 0 | 0 | 0 | 0 |
| Intangible Assets | 620K | 646K | 327K | 358K | 397K | 448K | 553K | 906K | 1.16M | 1.67M | 3.45M | 7.14M | 10.46M | 4.3M | 4.84M | 5.44M | 6.05M | 6.75M | 2.54M | 1.09M | 1.16M | 3.34M | 3.46M | 3.39M | 2.12M | 411K | 2.91M | 3.4M | 1.7M | 0 | 0 |
| Long-Term Investments | 31.88M | 6.99M | 10.88M | 3.66M | 6.36M | 0 | 0 | 507K | -171K | 5M | 0 | 0 | 0 | -477K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Assets | 200K | 207K | 191K | 781K | 794K | 1.09M | 732K | 443K | 1.75M | 1.31M | 666K | 1.36M | 1.38M | 2.41M | 2.71M | 2.82M | 2.26M | 2.31M | 3.23M | 2.29M | 1.23M | 1.03M | 700K | 1.06M | 675K | 472K | 879K | 400K | 500K | 0 | 0 |
| Total Assets | 44.49M | 47.18M | 48.8M | 50.39M | 50.12M | 49.97M | 30.09M | 31.66M | 51.72M | 50.48M | 57.79M | 76.01M | 91.47M | 110.06M | 105.9M | 112.99M | 103.2M | 92.26M | 88.87M | 87.21M | 65.66M | 43.03M | 23.83M | 21.6M | 25.87M | 20.33M | 23.09M | 24.5M | 19.2M | 5.9M | 8.5M |
| Asset Turnover | 0.57x | 0.57x | 0.52x | 0.54x | 0.54x | 0.49x | 0.75x | 0.96x | 1.09x | 0.89x | 0.95x | 0.97x | 0.86x | 0.99x | 0.92x | 0.83x | 0.79x | 0.77x | 0.91x | 0.92x | 1.14x | 1.23x | 1.29x | 1.65x | 1.26x | 0.87x | 0.95x | 1.36x | 1.35x | 0.02x | 0.02x |
| Asset Growth % | -16.53% | -3.32% | -3.16% | 0.53% | 0.3% | 66.09% | -4.95% | -38.79% | 2.45% | -12.64% | -23.97% | -16.9% | -16.89% | 3.93% | -6.28% | 9.48% | 11.86% | 3.81% | 1.9% | 32.83% | 52.61% | 80.57% | 10.32% | -16.51% | 27.26% | -11.96% | -5.76% | 27.6% | 225.42% | -30.59% | -17.48% |
| Total Current Liabilities | 4.99M | 6.27M | 5.86M | 5.69M | 4.77M | 3.22M | 5.53M | 4.79M | 17.16M | 15.72M | 14.05M | 16.54M | 18.65M | 20.65M | 20.95M | 22.63M | 17.81M | 11.84M | 13.67M | 22.72M | 17.5M | 13.44M | 4.37M | 3.99M | 7M | 6.7M | 5.18M | 7.2M | 6.6M | 700K | 500K |
| Accounts Payable | 2.14M | 3.24M | 2.92M | 2.42M | 2.71M | 1.56M | 2.35M | 2.12M | 9.5M | 9.06M | 6.3M | 8.94M | 7.31M | 9.92M | 12.83M | 10.48M | 7.52M | 5.82M | 8.2M | 13.63M | 7.63M | 6.49M | 2.71M | 2.24M | 5.07M | 1.98M | 2.48M | 4.1M | 3.1M | 700K | 500K |
| Days Payables Outstanding | 63.22 | 82.79 | 73.33 | 57.29 | 64.66 | 46.09 | 72.1 | 39.35 | 95.07 | 121.9 | 63.26 | 72.36 | 60.79 | 57.91 | 82.29 | 76.69 | 58.59 | 50.08 | 67.46 | 117.15 | 72.49 | 87.39 | 59.6 | 37.59 | 101.4 | 80.25 | 84.02 | 83.14 | 80.82 | - | - |
| Short-Term Debt | 92K | 0 | 0 | 0 | 0 | 0 | 0 | 182K | 0 | 0 | 0 | 0 | 1.63M | 1.64M | 0 | 1.18M | 2.27M | 2.92M | 2.19M | 2.05M | 0 | 0 | 0 | 0 | 0 | 2.7M | 900K | 900K | 1M | 0 | 0 |
| Deferred Revenue (Current) | 3.13M | 1.12M | 0 | 1.38M | 447K | 390K | 0 | 712K | 1.23M | 2.4M | 0 | 1.86M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 319K | 0 | 0 | 0 | 0 | 0 |
| Other Current Liabilities | 2.75M | 1.47M | 2.86M | 1.41M | 1.26M | 847K | 1.2M | 1.26M | 1.49M | 3.36M | 2.08M | 1.86M | 3M | 1.27M | 4.94M | 6.07M | -1.86M | 0 | 0 | 0 | 0 | 4.94M | 0 | 0 | 0 | 0 | 1.8M | 2.2M | 2.5M | 0 | 0 |
| Current Ratio | 5.44x | 5.09x | 5.06x | 6.74x | 7.52x | 12.87x | 3.81x | 4.51x | 2.37x | 2.15x | 2.89x | 3.17x | 3.13x | 3.35x | 2.86x | 2.93x | 3.06x | 3.58x | 4.24x | 2.99x | 3.21x | 2.46x | 3.59x | 3.76x | 2.99x | 2.32x | 3.42x | 2.68x | 2.36x | 3.57x | 8.80x |
| Quick Ratio | 5.37x | 5.03x | 4.99x | 6.66x | 7.43x | 12.76x | 3.79x | 4.45x | 2.32x | 2.09x | 2.82x | 3.07x | 3.07x | 3.33x | 2.83x | 2.91x | 3.01x | 3.54x | 4.17x | 2.98x | 3.20x | 2.43x | 3.51x | 3.69x | 2.93x | 2.28x | 3.39x | 2.65x | 2.35x | 3.57x | 8.80x |
| Cash Conversion Cycle | 19.2 | 0.01 | 72.71 | 43.79 | 49.41 | 13.22 | 36.54 | 43.62 | 33.3 | 55.93 | 71.81 | 64.48 | 52.86 | 72.8 | 34.36 | 63.8 | 42.19 | 45.18 | 46.08 | 29.25 | 10.7 | 1.45 | 34.36 | 29.89 | 6 | 41.73 | 47.27 | 26.14 | 48.62 | - | - |
| Total Non-Current Liabilities | 943K | 974K | 987K | 986K | 517K | 551K | 2.24M | 762K | 506K | 420K | 346K | 501K | 520K | 789K | 715K | 1.35M | 1.48M | 2.2M | 1.39M | 1.25M | 500K | 448K | 505K | 299K | 2.06M | 491K | 3.35M | 3.6M | 2.3M | 0 | 0 |
| Long-Term Debt | 465K | 0 | 0 | 0 | 0 | 0 | 1.56M | 76K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.8M | 0 | 2.7M | 3.4M | 2M | 0 | 0 |
| Capital Lease Obligations | 1.54M | 491K | 548K | 533K | 66K | 122K | 237K | 180K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Deferred Tax Liabilities | 550K | 187K | 176K | 172K | 177K | 139K | 0 | 220K | 171K | 532K | 0 | 0 | 0 | 59K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Non-Current Liabilities | 291K | 296K | 263K | 281K | 274K | 290K | 443K | 286K | 506K | 420K | 346K | 501K | 520K | 730K | 715K | 1.35M | 1.48M | 2.2M | 1.39M | 1.25M | 500K | 448K | 505K | 299K | 259K | 491K | 646K | 200K | 300K | 0 | 0 |
| Total Liabilities | 5.93M | 7.25M | 6.84M | 6.67M | 5.28M | 3.77M | 7.77M | 5.56M | 17.67M | 16.14M | 14.4M | 17.04M | 19.17M | 21.43M | 21.66M | 23.98M | 19.29M | 14.04M | 15.06M | 23.98M | 18M | 13.89M | 4.87M | 4.29M | 9.06M | 7.19M | 8.52M | 10.8M | 8.9M | 700K | 500K |
| Total Debt | 557K | 580K | 625K | 614K | 191K | 235K | 1.94M | 438K | 76K | 76K | 0 | 0 | 1.63M | 1.64M | 0 | 1.18M | 2.27M | 2.92M | 2.19M | 2.05M | 0 | 0 | 0 | 0 | 1.8M | 2.7M | 3.6M | 4.3M | 3M | 0 | 0 |
| Net Debt | -8.55M | -11.36M | -7.88M | -16.96M | -23.14M | -35.66M | -8.7M | -12.56M | -11.96M | -8.29M | -11.83M | -21.68M | -17.01M | -26.1M | -24.45M | -27.05M | -28.25M | -18.04M | -25.96M | -28.42M | -24.41M | -10.38M | -6.53M | -7.81M | -9.14M | -6.64M | -5.39M | -4.7M | -2.8M | -1.9M | -1.3M |
| Debt / Equity | 0.01x | 0.01x | 0.01x | 0.01x | 0.00x | 0.01x | 0.09x | 0.02x | 0.00x | 0.00x | - | - | 0.02x | 0.02x | - | 0.01x | 0.03x | 0.04x | 0.03x | 0.03x | - | - | - | - | 0.11x | 0.21x | 0.25x | 0.31x | 0.29x | - | - |
| Debt / EBITDA | -0.15x | - | - | - | - | - | - | - | 0.08x | - | - | - | - | 0.15x | - | 0.09x | 0.28x | 1.44x | 0.23x | 0.16x | - | - | - | - | 0.49x | - | 1.53x | 0.77x | 1.00x | - | - |
| Net Debt / EBITDA | 2.25x | - | - | - | - | - | - | - | -12.50x | - | - | - | - | -2.37x | -2.95x | -2.02x | -3.52x | -8.90x | -2.70x | -2.15x | -1.90x | -1.17x | -4.05x | -3.70x | -2.50x | - | -2.29x | -0.84x | -0.93x | - | - |
| Interest Coverage | - | - | - | -68.95x | -80.65x | 4.58x | -1054.25x | - | - | - | - | -213.70x | -205.42x | 142.86x | 55.60x | 63.55x | 26.78x | -27.42x | 49.94x | 447.46x | - | - | - | 40.04x | 19.91x | -4.89x | 3.88x | - | 13.00x | - | - |
| Total Equity | 38.56M | 39.93M | 41.95M | 43.71M | 44.84M | 46.2M | 22.32M | 26.1M | 34.05M | 34.34M | 43.39M | 58.97M | 72.3M | 88.62M | 84.24M | 89.01M | 83.91M | 78.22M | 73.82M | 63.24M | 47.66M | 29.14M | 18.95M | 17.31M | 16.8M | 13.13M | 14.57M | 13.7M | 10.3M | 5.2M | 8M |
| Equity Growth % | -24.95% | -4.82% | -4.02% | -2.51% | -2.94% | 106.98% | -14.48% | -23.36% | -0.84% | -20.86% | -26.42% | -18.43% | -18.42% | 5.21% | -5.37% | 6.08% | 7.27% | 5.97% | 16.73% | 32.7% | 63.56% | 53.71% | 9.5% | 3.01% | 27.94% | -9.83% | 6.33% | 33.01% | 98.08% | -35% | -19.19% |
| Book Value per Share | 1.24 | 1.29 | 1.37 | 1.44 | 1.48 | 1.56 | 0.90 | 1.08 | 1.41 | 1.44 | 1.86 | 2.55 | 3.17 | 3.93 | 3.58 | 3.61 | 3.44 | 3.24 | 3.00 | 2.56 | 1.97 | 1.26 | 0.86 | 0.77 | 0.75 | 0.71 | 0.74 | 0.71 | 0.59 | 0.42 | 0.67 |
| Total Shareholders' Equity | 38.56M | 39.93M | 41.95M | 43.71M | 44.84M | 46.2M | 22.32M | 26.1M | 34.05M | 34.34M | 43.39M | 58.97M | 72.3M | 88.62M | 84.24M | 89.01M | 83.91M | 78.22M | 73.82M | 63.24M | 47.66M | 29.14M | 18.95M | 17.31M | 16.8M | 13.13M | 14.57M | 13.7M | 10.3M | 5.2M | 8M |
| Common Stock | 323K | 322K | 317K | 313K | 313K | 312K | 262K | 254K | 248K | 248K | 238K | 234K | 230K | 227K | 221K | 237K | 242K | 242K | 241K | 224K | 221K | 204K | 195K | 196K | 196K | 190K | 185K | 200K | 200K | 0 | 0 |
| Retained Earnings | -123.15M | -121.8M | -119.47M | -117.53M | -115.99M | -114.55M | -114.6M | -110.33M | -102.5M | -102.5M | -91.52M | -74.13M | -61.75M | -44.03M | -49.13M | -44.03M | -46.08M | -47.83M | -45.28M | -48.88M | -56.04M | -62.87M | -70.46M | -72.03M | -73.15M | -76.21M | -74.57M | -75M | -78M | -78.5M | -76M |
| Treasury Stock | 0 | -2.57M | -2.35M | -2.25M | -2.25M | -2.23M | -2.18M | -1.61M | -1.48M | -1.47M | -1.21M | -1.04M | -790K | -486K | -39K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -1.13M | -1.1M | -1.1M | -1.06M | -1.1M | -1.1M | 0 | 0 |
| Accumulated OCI | -1.76M | -1.72M | -1.92M | -1.75M | -1.73M | -1.6M | -1.29M | -1.78M | -1.28M | -768K | -1.57M | -1.56M | -448K | 37K | -392K | 381K | 243K | 269K | 268K | 438K | 356K | 243K | 618K | 580K | 542K | 2.53M | 3.92M | 3.9M | 17.3M | 0 | 0 |
| Minority Interest | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Coal plant retirement acceleration
According to recent financial disclosures, Fuel Tech's total assets have declined from $50.4M in 2023Q4 to $44.5M in 2026Q1, a trend that suggests a shrinking operational footprint as the company navigates the secular decline of its core coal-fired utility customer base.
The consistent reduction in total assets over the last ten quarters indicates a lack of capital reinvestment, which may imply that management is prioritizing capital preservation over growth. Investors should monitor whether this contraction is a strategic downsizing or a symptom of limited opportunities to deploy capital into new, higher-growth verticals.
Based on reported figures, Fuel Tech maintains a robust current ratio of 5.44 as of 2026Q1, providing a significant liquidity cushion that appears sufficient to offset the company's persistent operating losses and the inherent lumpiness of its project-based revenue recognition cycles.
The company's ability to maintain a high current ratio despite negative retained earnings suggests a conservative approach to working capital management. While this liquidity provides a safety net, it also raises questions about whether the idle cash is being utilized effectively to accelerate the transition into new markets.
As reported in financial statements, the company's equity base is heavily burdened by an accumulated deficit of $123.2M as of 2026Q1, a figure that highlights the long-term difficulty in achieving sustainable profitability within the current industrial pollution control business model.
The persistent negative retained earnings suggest that historical capital allocation has not yielded sufficient returns to offset operating costs. This structural imbalance warrants further investigation into whether the company's current strategic pivot can realistically reverse this long-term trend of value erosion.
Analysis of the balance sheet reveals that $2.1M of the company's $44.5M in total assets is tied to goodwill, a non-cash item that may be subject to impairment if the company's pivot to new technologies fails to generate expected synergies.
While the goodwill balance is relatively small, its presence in a company with persistent operating losses suggests that past acquisitions have not yet proven their strategic value. Investors should be wary of potential write-downs if the company's core business continues to face headwinds from the accelerated retirement of coal-fired assets.
Quick answers to the most common questions about buying FTEK stock.
As of 2025, Fuel Tech, Inc. (FTEK) had total assets of $47.2M including $31.9M in current assets.
Fuel Tech, Inc. (FTEK) carries total debt of $0.6M, offset by $24.9M in cash and short-term investments. Comparing total debt to cash helps evaluate the company's debt burden and net leverage.
Fuel Tech, Inc. (FTEK) has total shareholders' equity (book value) of $39.9M ($1.29 book value per share). Book value represents the net worth of the company belonging to common stock holders.
Fuel Tech, Inc. (FTEK) reported a current ratio of 5.09x. A current ratio above 1.0x indicates that the company has more current assets than current liabilities, suggesting sufficient short-term liquidity.