Liquidity is under pressure as the company faces a significant cash burn, evidenced by a $216.1 million free cash flow deficit in 2025Q4 that necessitates ongoing external capital support.
| Cash from Operations | -29.15M | -16.47M | -8.2M | -9.16M |
| Operating CF Growth % | -229.46% | -100.82% | 10.48% | - |
| Operating CF / Revenue % | - | - | -3302.88% | -49228.06% |
| Net Income | -46.06M | -28.02M | -11.49M | -13.81M |
| Depreciation & Amortization | 1.42M | 1.16M | 1.26M | 1.83M |
| Deferred Taxes | 15.4K | 15.4K | -15.4K | -194.35K |
| Other Non-Cash Items | 11.79M | 1.8M | 1.33M | 910.12K |
| Working Capital Changes | 4.05M | 5.46M | 46.14K | 1.38M |
| Capital Expenditures | -212.51M | -200.64M | -662.27K | -1.1M |
| CapEx / Revenue % | - | - | 244.75% | 5397.58% |
| CapEx / D&A | 149.63x | 172.71x | 0.48x | 0.55x |
| CapEx Coverage (OCF/CapEx) | -0.14x | -0.08x | -13.49x | -9.12x |
| Cash from Investing | -212.51M | -200.64M | -662.27K | -1.1M |
| Acquisitions | 0 | 0 | 0 | 0 |
| Purchase of Investments | -272.64M | -199.5M | 0 | 0 |
| Sale of Investments | 61.69M | 0 | 0 | 0 |
| Other Investing | -4.73K | -86.15K | -54.4K | -97.88K |
| Cash from Financing | 337.29M | 311.39M | 7.25M | 10.13M |
| Dividends Paid | 0 | 0 | 0 | 0 |
| Dividend Payout Ratio % | - | - | - | - |
| Debt Issuance (Net) | 1.34M | 1000K | 1000K | 1000K |
| Stock Issued | 79.96M | 54M | 0 | 0 |
| Share Repurchases | 0 | 0 | 0 | 0 |
| Other Financing | 3.49M | 220.76M | 100K | 0 |
| Net Change in Cash | 97.89M | 94.14M | -1.58M | 77.85K |
| Exchange Rate Effect | 2.25M | -140.65K | 32.2K | 218.65K |
| Cash at Beginning | 97.16M | 3.02M | 4.6M | 4.52M |
| Cash at End | 76.95M | 97.16M | 3.02M | 4.6M |
| Free Cash Flow | -241.66M | -217.11M | -8.87M | -10.27M |
| FCF Growth % | - | -2349.03% | 13.64% | - |
| FCF Margin % | - | - | -3569.54% | -55151.46% |
| FCF / Net Income % | 524.66% | 774.94% | 77.19% | 73.81% |
Liquidity and regulatory burn
As reported in recent financial statements, Terrestrial Energy Inc. recorded a significant $200.6 million capital expenditure in 2025Q4, which dwarfs the company's operating cash flow and underscores the immense capital requirements inherent in transitioning from a research-focused entity to a commercial nuclear reactor manufacturer.
The massive spike in capital deployment during 2025Q4 suggests that the company is aggressively funding the infrastructure necessary for its integral molten salt reactor development. Investors should monitor whether this level of investment is sustainable given the current lack of operational revenue and the reliance on external capital markets to bridge the funding gap.
Based on the company's reported figures, the $79.8 million net stock issuance in 2025Q4 was essential to offset the $216.1 million free cash flow deficit, highlighting a heavy dependence on equity markets to sustain operations during the pre-revenue phase of the nuclear licensing cycle.
The company's ability to secure capital appears highly sensitive to market sentiment regarding advanced nuclear technology. The reliance on equity financing suggests that any volatility in the broader SPAC or green-tech markets could severely constrain the firm's ability to fund its multi-year regulatory and engineering roadmap.
According to recent SEC filings, the discrepancy between the $31.2 million net loss in 2025Q4 and the $15.4 million operating cash outflow suggests that non-cash items related to the SPAC business combination are significantly distorting the firm's true underlying cash burn rate.
Analysts should be cautious when interpreting net income as a proxy for operational health, as the accounting treatment of warrant liabilities and share-based compensation likely obscures the actual cash consumption required for R&D. The underlying cash burn appears to be the more reliable metric for assessing the company's runway until commercial deployment is achieved.
While the cash flow statement captures current R&D spending, it fails to reflect the future financial burden of managing radioactive core replacements, which, based on industry standards, may require substantial long-term capital reserves that are not currently visible in the company's reported cash flow metrics.
The replaceable core model creates a unique logistical liability that could necessitate significant future cash outlays for waste management and specialized transport. Investors should consider that the current cash flow analysis likely underestimates the total lifecycle costs that will eventually be required to support the seven-year core replacement cycle.
Quick answers to the most common questions about buying IMSR stock.
Terrestrial Energy Inc. (IMSR) generated $-16.5M in net cash from operating activities in 2025. This reflects the cash generated directly from core business operations.
Terrestrial Energy Inc. (IMSR) reported negative free cash flow of $217.1M in 2025, indicating capital requirements exceeded cash from operations.
Terrestrial Energy Inc. (IMSR) spent $200.6M on capital expenditures in 2025. CapEx represents the cash invested in physical assets like property, plant, and equipment to maintain or grow the business.