Free cash flow remains deeply negative at -$540.5M for 2026Q1, driven by aggressive infrastructure spending that consistently exceeds operational cash inflows.
| 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'10 | Dec'09 | Dec'07 | Dec'06 | Dec'05 | Dec'04 | Dec'00 |
|---|
| Cash from Operations | -197.26M | -123.18M | -24.42M | 4.26M | -34.07M | -24.1M | -398.83K | -477.03K | 1.22M | 204.69K | 916.95K | 1.47M | 916.75K | 1.47M | 1.18M | 1.6M | 1.37M | 1.7M | 1.08M | 980.05K | 1.26M | 182.53K |
| Operating CF Growth % | -747.43% | -404.38% | -672.88% | 112.51% | -41.36% | -5942.45% | 16.39% | -138.95% | 498.35% | -77.68% | -37.46% | 59.92% | -37.49% | 24.08% | -26.19% | 16.54% | -19.06% | 57.82% | 9.76% | -22.33% | 591.33% | - |
| Net Income | -1.03B | -661.42M | -72.42M | -73.42M | -90.79M | -46.58M | -10.06M | -813.56K | 139.47K | -226.15K | -65.06K | 135.01K | 648.77K | 682.17K | 693.93K | 1.11M | -307.36K | 1.17M | 1.12M | 908.17K | 758.35K | 255.01K |
| Depreciation & Amortization | 109.51M | 110.78M | 61.18M | 29.35M | 6.97M | 52K | 698.05K | 671.87K | 795.32K | 875.14K | 794.54K | 684.57K | 635.61K | 622.11K | 543.86K | 453.43K | 479.82K | 330.65K | 267.54K | 294.46K | 375.99K | 435.08K |
| Deferred Taxes | 104K | 76K | 0 | 0 | -256K | -615K | -549.26K | -183K | 39K | -302K | 61K | 18K | -10K | 153K | 30K | 15K | -48K | 110K | 15K | 48K | -14K | -92K |
| Other Non-Cash Items | 752.09M | 305.1M | -34.01M | 53.08M | 35.28M | 12M | -4.65M | 95.5K | 1.27M | 2.04M | 1.3M | 884.84K | -19.88K | -13.98K | 15.96K | 47.02K | 933.6K | -57.38K | 2.33K | 43.77K | 54.23K | -415.56K |
| Working Capital Changes | 11.95M | 71.37M | -10.1M | -10.61M | 13.16M | 11.04M | 520.39K | -256.66K | 236.12K | -137.18K | 107.21K | 560.87K | -356.16K | 9.33K | -119.62K | -28.01K | 316.05K | 144.65K | -332.91K | -314.36K | 87.29K | -75.11K |
| Cash from Investing | -2.02B | -1.37B | -91.16M | -78.01M | -94.05M | -201.41M | 2.06M | 7.58K | -393.12K | 114.57K | -5.32M | -1.15M | -730.82K | -819.57K | -171.72K | -1.64M | -847.42K | -832.58K | -1.28M | -422.56K | -255.13K | -685.81K |
| Purchase of Investments | 0 | 0 | 0 | 0 | 0 | -149.97M | 0 | -5.63M | -5.62M | -3.88M | -4.38M | -650K | -2.72M | -1.81M | -1.86M | -2.62M | -1M | -438.75K | -538.12K | -253.33K | -84.63K | -404.84K |
| Sale/Maturity of Investments | 10.77M | 0 | 153.46M | 0 | 0 | 67.91M | 2.21M | 6.13M | 5.82M | 4.23M | 1.13M | 2.42M | 2.41M | 1.79M | 2.25M | 1.21M | 229.76K | 252.62K | 83.98K | 42.7K | 108.5K | 311.4K |
| Net Investment Activity | 10.77M | 0 | 153.46M | 0 | 0 | -82.06M | 2.21M | 490K | 200K | 351K | -3.25M | 1.77M | -301.12K | -21.94K | 392.06K | -1.42M | -772.4K | -186.13K | -454.14K | -210.63K | 23.87K | -93.44K |
| Acquisitions | -46.19M | -21.73M | 23.32M | -2.85M | -46.17M | -10.28M | 18.3K | 15.6K | 0 | 32.63K | 21K | 0 | 0 | 0 | 0 | 22.2K | 25.5K | 11.5K | -526.92K | 11K | 0 | 0 |
| Other Investing | -1.2B | -1.35B | 0 | 0 | 24.98M | 0 | 0 | 0 | -593.12K | -6.34K | -6.15K | -53.14K | 4.76K | -35.1K | 2.73K | 0 | 0 | 0 | 0 | 0 | 0 | -428.2K |
| Cash from Financing | 5.09B | 4.94B | 335.21M | 119.87M | 89.98M | 271.97M | 1.07M | -190.03K | -138.21K | -438.27K | 3.2M | 0 | 45.99K | 89.4K | -1.91M | 22.61K | -123.84K | 111.72K | 223.05K | 117.13K | 222.94K | -131.57K |
| Dividends Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -2M | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Share Repurchases | -101.51M | -33.29M | -118.22M | 0 | 0 | 0 | 0 | -49.59K | 0 | -300.47K | 0 | 0 | 0 | 0 | 0 | -15.13K | -123.84K | 0 | 0 | -115.66K | 0 | -131.57K |
| Stock Issued | 18.63M | -94.91M | 188.72M | 135.92M | 47.33M | 153.69M | 0 | 0 | 0 | 1.89K | 3.77K | 0 | 45.99K | 89.4K | 89.03K | 37.74K | 0 | 79.72K | 186.34K | 232.79K | 222.94K | 0 |
| Net Stock Activity | -82.89M | -128.21M | 70.5M | 135.92M | 47.33M | 153.69M | 0 | -49.59K | 0 | -298.58K | 3.77K | 0 | 45.99K | 89.4K | 89.03K | 22.61K | -123.84K | 79.72K | 186.34K | 117.13K | 222.94K | -131.57K |
| Debt Issuance (Net) | 3M | 1000K | 1000K | -1000K | 1000K | 1000K | 1000K | -140.44K | 0 | -139.69K | 1000K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Other Financing | -14.86M | -28.49M | -82M | -10.7M | 7.82M | 0 | 0 | 0 | -138.21K | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32K | 36.71K | 0 | 0 | -131.57K |
| Net Change in Cash | 2.61B | 3.45B | 219.63M | 46.12M | -38.13M | 42.76M | 2.73M | -659.49K | 693.44K | -119.01K | -1.2M | 312.25K | 231.91K | 736.36K | -899.22K | -13.2K | 402.85K | -2.2M | 16.11K | 3.41M | 0 | -634.85K |
| Exchange Rate Effect | -265.04M | 0 | 0 | 0 | 0 | -3.69M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -3.17M | 0 | 2.74M | 0 | 0 |
| Cash at Beginning | 3.46B | 274.06M | 54.44M | 8.32M | 46.45M | 3.69M | 963.65K | 1.62M | 929.7K | 1.05M | 2.25M | 1.94M | 1.7M | 967.94K | 1.87M | 1.3M | 901.74K | 3.43M | 3.41M | 0 | 0 | 706.35K |
| Cash at End | 2.83B | 3.72B | 274.06M | 54.44M | 8.32M | 46.45M | 3.69M | 963.65K | 1.62M | 929.7K | 1.05M | 2.25M | 1.94M | 1.7M | 967.94K | 1.29M | 1.3M | 1.23M | 3.43M | 3.41M | 2.74M | 71.49K |
| Interest Paid | 7.11M | 0 | 0 | 19.57M | 13.99M | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Income Taxes Paid | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Free Cash Flow | -1.69B | -1.18B | -292.36M | -70.91M | -106.92M | -133.17M | -563.65K | -975.05K | 631.65K | -64.38K | -1.17M | -1.45M | 482.29K | 704K | 615.43K | 1.41M | 1.28M | 1.09M | 802.17K | 768.77K | 991.77K | 18.35K |
| FCF Growth % | -452.24% | -304.76% | -312.33% | 33.69% | 19.71% | -23526.37% | 42.19% | -254.37% | 1081.17% | 94.52% | 19.2% | -401.43% | -31.49% | 14.39% | -56.42% | 10% | 18% | 35.62% | 4.34% | -22.49% | 5303.86% | - |
Capital intensive operational burn
As reported in financial statements, TeraWulf's operating cash flow frequently diverges from net income, with the OCF/NI ratio reaching a volatile 0.04 in 2026Q1, suggesting that reported losses are heavily influenced by non-cash charges rather than immediate cash-generating capacity of the underlying mining operations.
The persistent gap between net income and operating cash flow indicates that accounting losses are significantly amplified by depreciation and amortization of mining hardware. Investors should monitor whether this divergence narrows as the company matures, or if it reflects a structural inability to convert mining revenue into actual liquidity.
Based on recent SEC filings, TeraWulf's free cash flow has remained consistently negative, culminating in a substantial outflow of $540.5M in 2026Q1, which highlights the company's ongoing struggle to achieve self-sustaining operations amidst aggressive infrastructure expansion and the cyclical nature of digital asset rewards.
The negative FCF margins across the observed period suggest that the company is currently in a capital-intensive phase that consumes more cash than it generates. This trajectory warrants further investigation into whether future operational efficiencies can offset the high fixed costs associated with maintaining a competitive hashrate.
According to the provided data, TeraWulf's capital expenditures reached $523.0M in 2026Q1, representing a significant portion of revenue and indicating that the company is prioritizing rapid fleet expansion over immediate cash preservation in a highly competitive and increasingly difficult global mining environment.
The high CapEx/Rev ratio suggests that the company is continuously reinvesting to replace aging hardware and expand capacity, which may be necessary for survival but creates a heavy burden on liquidity. This level of capital intensity appears to be a primary driver of the company's reliance on external financing.
As indicated by quarterly financial data, working capital changes have been erratic, swinging from a $95.9M inflow in 2025Q1 to a $23.7M inflow in 2026Q1, which suggests that the company's cash position is sensitive to the timing of inventory procurement and operational payables management.
The inconsistency in working capital movements may reflect the company's efforts to manage ASIC procurement cycles against fluctuating Bitcoin prices. Investors should monitor these shifts closely, as they may indicate potential stress in managing short-term obligations during periods of lower mining profitability.
Based on reported figures, the company's cash flow statement obscures the impact of significant stock-based compensation and potential misclassifications, as evidenced by the anomalous $3.26B cash balance which appears inconsistent with the company's historical cash burn and reported revenue generation capabilities.
The discrepancy between the reported cash balance and the operational cash burn warrants extreme skepticism and further investigation into the composition of these liquid assets. It is possible that these figures include restricted assets or non-cash equivalents that do not provide the operational flexibility typically associated with cash.
Quick answers to the most common questions about buying WULF stock.
TeraWulf Inc. (WULF) generated $-123.2M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
TeraWulf Inc. (WULF) reported negative free cash flow of $1.18B in 2025, indicating capital requirements exceeded cash from operations.
TeraWulf Inc. (WULF) spent $0.0M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.
In 2025, TeraWulf Inc. (WULF) spent $33.3M on share repurchases. This shows the company's commitment to returning capital to its equity investors.