20 years of revenue, earnings, cash-flow and balance-sheet history from public filings.
Deep Fission, Inc. Common Stock (FISN) operates in the SPECIALTY INDUSTRIAL MACHINERY industry and is headquartered in Berkeley, United States with about 51 employees. Its market capitalization is roughly $157 million. In the fiscal year ended 2025-12-31, FISN reported $0M in revenue and ($61M) in net income.
Deep Fission, Inc. develops and deploys small modular nuclear reactors placed deep underground to generate electricity. The company provides small modular nuclear reactors designed for underground installation at a depth of one mile, offering carbon-free energy and capacity solutions.
Interactive charts & full statements →
| Income statement | TTM → 2026-06-30 | 2025-12-31 | 2024-12-31 |
|---|---|---|---|
| Total Revenue | — | $0M | $0M |
| Operating Income (EBIT) | ($53M) | ($21M) | ($4M) |
| Operating Margin % | — | — | — |
| Net Income | ($52M) | ($61M) | ($6M) |
| Net Margin % | — | — | — |
| EBITDA | ($53M) | ($21M) | ($4M) |
| Earnings Per Share (EPS) | $-0.92 | $-1.01 | $-0.09 |
| Shares Outstanding (M) | 55M | 60M | 60M |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
| Quarterly income statement | 2026-06-30 | 2026-03-31 | 2025-09-30 | 2025-03-31 |
|---|---|---|---|---|
| Total Revenue | — | $0M | — | $0M |
| Operating Income (EBIT) | ($32M) | ($22M) | ($9M) | ($2M) |
| Operating Margin % | — | — | — | — |
| Net Income | ($31M) | ($21M) | ($40M) | ($3M) |
| Net Margin % | — | — | — | — |
| EBITDA | ($31M) | ($22M) | ($9M) | ($2M) |
| Earnings Per Share (EPS) | $-0.56 | $-0.35 | $-1.29 | — |
| Shares Outstanding (M) | 55M | 60M | 31M | — |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
| Cash flow | TTM → 2026-06-30 | 2025-12-31 | 2024-12-31 |
|---|---|---|---|
| Cash from Operations (CFO) | ($42M) | ($13M) | ($3M) |
| Capital Expenditures (CapEx) | $0M | $0M | $0M |
| Free Cash Flow (FCF) | ($43M) | ($13M) | ($3M) |
| FCF Margin % | — | — | — |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
| Quarterly cash flow | 2026-06-30 | 2026-03-31 | 2025-03-31 |
|---|---|---|---|
| Cash from Operations (CFO) | ($28M) | ($14M) | ($2M) |
| Capital Expenditures (CapEx) | $0M | $0M | $0M |
| Free Cash Flow (FCF) | ($28M) | ($14M) | ($2M) |
| FCF Margin % | — | — | — |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
| Balance sheet | 2026-06-30 | 2025-12-31 | 2024-12-31 |
|---|---|---|---|
| Total Assets | $107M | $25M | $7M |
| Cash & Cash Equivalents | $93M | $24M | $7M |
| Total Liabilities | $9M | $2M | $11M |
| Total Debt (Short + Long-Term) | $0M | $0M | $11M |
| Total Shareholders' Equity | $99M | $22M | ($4M) |
USD; $M / $B as marked. Newest period first. Source: public company filings (via Yahoo Finance aggregation).
Quarterly statements, profitability ratios, price history, insider activity and institutional holders are in the interactive FISN viewer.
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