FISN Deep Fission, Inc. - Common Stock
$7.93
Price · Aug 19, 2026
Fundamentals as of Aug 3, 2026
52W Range
$8–$19
3% of range
Analyst Rating
BUY
7 analysts
Price Target
$21
+165% upside
P/E (TTM)
—
ROE
-234.2%
Net Profit Margin
—
FISN Stock Snapshot Price, market cap, P/E, EPS, ROE, debt/equity, 52-week range
Price
$7.92
Market Cap
—
P/E (TTM)
—
EPS (TTM)
$-0.57
Revenue (TTM)
—
Div Yield
—
ROE
-234.2%
Debt/Equity
—
52W Range
$8 – $19
FISN Stock Price Chart Daily OHLCV with technical indicators — pan, zoom, and customize your view
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10-Year Performance Revenue, net income, margins and EPS trends
Revenue & Net Income
—
EPS
$-0.57
2022-12-31
→
2024-12-31
Free Cash Flow
$-13M
2025-12-31
→
2025-12-31
Margins
—
Valuation P/E, P/S, P/B, EV/EBITDA ratios — is the stock expensive or cheap?
Metric
5Y trend
FISN
Peer Median
Profitability Gross, operating and net margins; ROE, ROA, ROIC
Metric
5Y trend
FISN
Peer Median
ROA
-220.8%
—
ROE
-234.2%
—
Financial Health Debt, liquidity, solvency — balance sheet strength
Metric
5Y trend
FISN
Peer Median
Current Ratio
10.2
—
Quick Ratio
9.9
—
Growth Revenue, EPS and net income growth: YoY, 3Y CAGR, 5Y CAGR
Metric
5Y trend
FISN
Peer Median
Capital Efficiency Asset turnover, inventory turnover, receivables turnover
Metric
5Y trend
FISN
Peer Median
FISN Analyst Consensus Bullish and bearish analyst opinions, 12-month price target, upside
BUY
7 analysts
- Strong Buy 2 28.6%
- Buy 4 57.1%
- Hold 1 14.3%
- Sell 0 0.0%
- Strong Sell 0 0.0%
12-Month Price Target
3 analysts · 2026-08-20
Median
$20.00
Mean
$21.00
← Below all targets
$7.92
Low
$18.00
High
$25.00
Median target
$20.00
+152.4%
Mean target
$21.00
+165.0%
Peer comparison (GICS sub-industry) Key metrics vs sector peers
| Ticker | Market Cap | P/E | Rev YoY | Net Margin | ROE | Gross Margin |
|---|---|---|---|---|---|---|
| FISN | — | — | — | — | -234.2% | — |
| VST | $54.54B | 74.0 | 3.0% | 5.3% | 17.7% | — |
| TLN | $17.13B | -78.3 | 22.0% | -8.5% | -17.7% | — |
| AES | $10.21B | 11.4 | -0.37% | 7.4% | 23.6% | 18.1% |
| HNRG | $834M | 19.8 | 16.2% | 8.9% | 29.7% | — |
Full Fundamentals All metrics by year — income statement, balance sheet, cash flow
Income Statement 12
| Metric | Trend | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| R&D Expense | $7M | $661.2K | · | · | |
| SG&A Expense | $15M | $3M | $47.6K | $49.4K | |
| Operating Expenses | $21M | $4M | · | · | |
| Operating Income | $-21M | $-4M | $-47.6K | $-49.4K | |
| Interest Income | $211.0K | $20.3K | · | · | |
| Other Non-op | $4.3K | $749 | · | · | |
| Net Income | $-61M | $-6M | $-47.6K | $-49.4K | |
| EPS (Basic) | $-2.41 | $-0.57 | $-0.01 | $-0.01 | |
| EPS (Diluted) | · | $-0.57 | $-0.01 | $-0.01 | |
| Shares (Basic) | 25,332,277 | 10,037,251 | 5,000,000 | 5,000,000 | |
| Shares (Diluted) | · | 10,037,251 | 5,000,000 | 5,000,000 | |
| EBITDA | $-21M | $-44.8K | $-47.6K | $-49.4K |
Balance Sheet 19
| Metric | Trend | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| Cash & Equivalents | $24M | $7M | $774 | $69 | |
| Prepaid Expense | $713.0K | $32.1K | · | · | |
| Current Assets | $24M | $7M | $774 | $69 | |
| PP&E (Net) | $37.0K | $2.0K | · | · | |
| PP&E (Gross) | $46.0K | $2.7K | · | · | |
| Accum. Depreciation | $9.0K | $664 | · | · | |
| Total Assets | $25M | $7M | $774 | $69 | |
| Accounts Payable | $538.0K | $94.8K | $10.7K | $9.4K | |
| Accrued Liabilities | $184.0K | $31.8K | · | · | |
| Short-term Debt | · | $147.0K | $99.5K | $52.0K | |
| Current Liabilities | $2M | $161.4K | $110.2K | $61.9K | |
| Total Liabilities | $2M | $11M | $110.2K | $61.9K | |
| Total Debt | · | $147.0K | $99.5K | $52.0K | |
| Common Stock | $5.0K | $1.6K | $500 | $500 | |
| Paid-in Capital | $89M | $2M | · | · | |
| Retained Earnings | $-67M | $-6M | $-110.0K | $-62.3K | |
| Stockholders' Equity | $22M | $-4M | $460.3K | $-61.8K | |
| Liabilities + Equity | $25M | $7M | $774 | $69 | |
| Shares Outstanding | 51,099,089 | 16,320,839 | 7,434,955 | 5,000,000 |
Cash Flow 10
| Metric | Trend | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| Stock-based Comp | $8M | $1M | · | · | |
| Deferred Tax | $0 | $0 | · | · | |
| Operating Cash Flow | $-13M | $-3M | $-46.3K | $-40.1K | |
| CapEx | $43.4K | $2.7K | · | · | |
| Investing Cash Flow | $-43.4K | $-2.7K | · | · | |
| Stock Issued | $30M | · | · | · | |
| Net Stock Activity | $30M | · | · | · | |
| Financing Cash Flow | $30M | $9M | $47.0K | $40.1K | |
| Net Change in Cash | $17M | $6M | · | · | |
| Free Cash Flow | $-13M | · | · | · |
Profitability 2
| Metric | Trend | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| ROA | -220.8% | -2114.7% | -11298.9% | -143211.6% | |
| ROE | -234.2% | 6.1% | 45.8% | 87.5% |
Liquidity & Solvency 3
| Metric | Trend | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| Current Ratio | 10.2 | 0.0 | 0.0 | 0.0 | |
| Quick Ratio | 9.9 | 0.0 | · | 0.0 | |
| Debt / Equity | · | -1.0 | -0.9 | -0.8 |
Valuation (TTM) 1
| Metric | Trend | 2025 | 2024 | 2023 | 2022 |
|---|---|---|---|---|---|
| Net Income TTM | $-61M | $-6M | $-47.6K | $-49.4K |
Income Statement 13
| Metric | Trend | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R&D Expense | $18M | $8M | $3M | $2M | $865.0K | $684.4K | $305.8K | $146.7K | · | · | · | · | · | · | · | · | |
| SG&A Expense | $13M | $14M | $6M | $7M | $1M | $1M | $3M | $587.2K | $11.5K | $11.3K | $11.1K | $10.9K | $12.8K | $12.8K | $10.7K | $20.4K | |
| Operating Expenses | $32M | $22M | $9M | $9M | $2M | $2M | $3M | $705.6K | · | · | · | · | · | · | · | · | |
| Operating Income | $-32M | $-22M | $-9M | $-9M | $-2M | $-2M | $-3M | $-705.6K | $-11.5K | $-11.3K | $-11.1K | $-10.9K | $-12.8K | $-12.8K | $-10.7K | $-20.4K | |
| Interest Income | $574.0K | $492.6K | $196.7K | $14.3K | · | · | $1 | $8.9K | · | · | · | · | · | · | · | · | |
| Other Non-op | $3.0K | $2.4K | $2.2K | $864 | $1.0K | $191 | $1.1K | · | · | · | · | · | · | · | · | · | |
| Income Tax | $0 | $0 | · | · | $0 | $0 | · | · | · | · | · | · | · | · | · | · | |
| Net Income | $-31M | $-21M | $-14M | $-45M | $-4M | $-3M | $-2M | $-1M | $-1M | $-855.8K | $-11.1K | $-10.9K | $-12.8K | $-12.8K | $-10.7K | $-20.4K | |
| EPS (Basic) | $-0.56 | $-0.39 | $-0.66 | $-1.94 | $-0.27 | $-0.19 | $-0.45 | $-0.09 | $0.00 | $0.00 | $-0.01 | $0.00 | $0.00 | $0.00 | $-0.01 | $0.00 | |
| EPS (Diluted) | $-0.56 | $-0.39 | · | $-1.94 | $-0.27 | $-0.19 | $-0.45 | $-0.09 | $0.00 | $0.00 | $-0.01 | $0.00 | $0.00 | $0.00 | $-0.01 | $0.00 | |
| Shares (Basic) | 55,098,477 | 54,443,626 | -36,307,268 | 23,434,266 | 14,002,557 | 16,320,839 | -16,145,017 | 13,189,817 | 5,000,000 | 5,000,000 | -10,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | -10,000,000 | 5,000,000 | |
| Shares (Diluted) | 55,098,477 | 54,443,626 | · | 23,434,266 | 14,002,557 | 16,320,839 | -16,145,017 | 13,189,817 | 5,000,000 | 5,000,000 | -10,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | -10,000,000 | 5,000,000 | |
| EBITDA | $-32M | $-22M | · | $-9M | $-12.8K | $-11.3K | · | $-11.0K | $-11.5K | $-11.3K | · | $-10.9K | $-12.8K | $-12.8K | · | $-20.4K |
Balance Sheet 21
| Metric | Trend | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cash & Equivalents | $93M | $85M | $24M | $30M | · | $2.9K | $7M | · | · | $10.2K | $774 | $1.8K | · | $6.8K | · | $721 | |
| Prepaid Expense | $5M | $7M | $713.2K | $257.1K | · | · | $32.1K | · | · | · | · | · | · | · | · | · | |
| Other Current Assets | $43.0K | $39.3K | · | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| Current Assets | $98M | $92M | $24M | $30M | $11.0K | $2.9K | $7M | $2.1K | $522 | $10.2K | $774 | $1.8K | $2.7K | $6.8K | $69 | $721 | |
| PP&E (Net) | $101.0K | $85.8K | $37.1K | $25.5K | · | · | $2.0K | · | · | · | · | · | · | · | · | · | |
| PP&E (Gross) | $124.0K | $99.5K | $46.1K | $31.4K | · | · | $2.7K | · | · | · | · | · | · | · | · | · | |
| Accum. Depreciation | $23.0K | $13.8K | $9.0K | $5.9K | · | · | $664 | · | · | · | · | · | · | · | · | · | |
| Total Assets | $107M | $92M | $25M | $31M | $11.0K | $2.9K | $7M | $2.1K | $522 | $10.2K | $774 | $1.8K | $2.7K | $6.8K | $69 | $721 | |
| Accounts Payable | $5M | $2M | $538.3K | $213.2K | $17.3K | $21.4K | $94.8K | $10.7K | $10.7K | $21.4K | $10.7K | $10.6K | $10.6K | $11.9K | $9.4K | $9.4K | |
| Accrued Liabilities | $1M | $864.3K | $185.2K | $375.3K | · | · | $31.8K | · | · | · | · | · | · | · | · | · | |
| Short-term Debt | · | · | · | · | $172.0K | $147.0K | · | $134.5K | $122.0K | $109.5K | $99.5K | $89.5K | $79.5K | $69.5K | $52.0K | $42.0K | |
| Current Liabilities | $9M | $4M | $2M | $605.3K | $189.3K | $168.4K | $161.4K | $145.2K | $132.7K | $130.9K | $110.2K | $100.1K | $90.1K | $81.4K | $61.9K | $51.9K | |
| Capital Leases | $28.0K | $43.4K | · | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| Total Liabilities | $9M | $4M | $2M | $605.3K | $189.3K | $168.4K | $11M | $145.2K | $132.7K | $130.9K | $110.2K | $100.1K | $90.1K | $81.4K | $61.9K | $51.9K | |
| Total Debt | · | · | · | · | $172.0K | $147.0K | · | $134.5K | $122.0K | $109.5K | · | $89.5K | $79.5K | $69.5K | · | $42.0K | |
| Common Stock | $6.0K | $5.7K | $5.1K | $5.1K | $500 | $500 | $1.6K | $500 | $500 | $500 | $500 | $500 | $500 | $500 | $500 | $500 | |
| Paid-in Capital | $218M | $176M | $89M | $86M | · | · | $2M | · | · | · | · | · | · | · | · | · | |
| Retained Earnings | $-119M | $-88M | $-67M | $-56M | $-178.8K | $-166.0K | $-6M | $-143.7K | $-132.7K | $-121.2K | $-110.0K | $-98.8K | $-88.0K | $-75.1K | $-62.3K | $-51.7K | |
| Stockholders' Equity | $99M | $88M | $22M | $30M | $-178.3K | $-165.5K | $-4M | $-143.2K | $-132.2K | $-120.7K | $-109.5K | $-98.3K | $-87.5K | $-74.6K | $-61.8K | $-51.2K | |
| Liabilities + Equity | $107M | $92M | $25M | $31M | $11.0K | $2.9K | $7M | $2.1K | $522 | $10.2K | $774 | $1.8K | $2.7K | $6.8K | $69 | $721 | |
| Shares Outstanding | 59,745,938 | 56,617,422 | 51,099,089 | 50,874,089 | 5,000,000 | 5,000,000 | 16,320,839 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 | 5,000,000 |
Cash Flow 11
| Metric | Trend | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| D&A | $13.2K | $6.8K | · | · | $2.5K | $526 | · | · | · | · | · | · | · | · | · | · | |
| Stock-based Comp | $7M | $10M | $3M | $5M | $196.0K | $32.0K | $1M | · | · | · | · | · | · | · | · | · | |
| Other Non-cash | · | $-3M | · | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| Operating Cash Flow | $-28M | $-14M | $-7M | $-6M | $-4M | $-2M | $-1M | $-1M | $-22.2K | $-591 | $-11.0K | $-10.9K | $-14.1K | $-10.3K | $-10.7K | $-22.4K | |
| CapEx | $24.6K | $53.4K | $14.7K | $-296 | $13.8K | $15.2K | $221 | · | · | · | · | · | · | · | · | · | |
| Investing Cash Flow | $-24.6K | $-53.4K | $-14.7K | $296 | $-13.8K | $-15.2K | $-221 | · | · | · | · | · | · | · | · | · | |
| Stock Issued | · | $80M | $0 | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| Net Stock Activity | · | $80M | · | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| Financing Cash Flow | $37M | $75M | $47.1K | $30M | $850.2K | $860.8K | $4M | $4M | $12.5K | $10.0K | $10.0K | $10.0K | $10.0K | $17.0K | $10.0K | $20.0K | |
| Net Change in Cash | $8M | $61M | $-7M | $25M | $-1M | $-782.3K | $3M | · | · | · | · | · | · | · | · | · | |
| Free Cash Flow | · | $-14M | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
Profitability 2
| Metric | Trend | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ROA | -57.8% | -46.4% | · | -264.6% | -221.2% | -172.2% | · | -568.4% | -719.7% | -133.1% | · | -868.2% | -442.5% | -155.9% | · | -5663.8% | |
| ROE | -62.9% | -48.5% | · | -271.3% | 8.2% | 7.9% | · | 9.1% | 10.4% | 11.6% | · | 14.5% | 21.7% | 27.0% | · | 79.8% |
Liquidity & Solvency 3
| Metric | Trend | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Current Ratio | 11.5 | 23.8 | · | 50.4 | 0.1 | 0.0 | · | 0.0 | 0.0 | 0.1 | · | 0.0 | 0.0 | 0.1 | · | 0.0 | |
| Quick Ratio | 10.9 | 22.0 | · | 50.0 | · | 0.0 | · | · | · | 0.1 | · | 0.0 | · | 0.1 | · | 0.0 | |
| Debt / Equity | · | · | · | · | -1.0 | -0.9 | · | -0.9 | -0.9 | -0.9 | · | -0.9 | -0.9 | -0.9 | · | -0.8 |
Valuation (TTM) 6
| Metric | Trend | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Net Income TTM | $-102M | $-74M | · | $-54M | $-9M | $-6M | · | $-3M | $-2M | $-892.3K | · | $-56.9K | $-56.5K | $-51.5K | · | · | |
| Market Cap | $660M | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| P/E | -3.5 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| P/B | 6.7 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| P / Tangible Book | 6.7 | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · | |
| Earnings Yield | -28.6% | · | · | · | · | · | · | · | · | · | · | · | · | · | · | · |
Financial Statements Income statement, balance sheet, cash flow — annual, last 5 years
Income Statement
| 2025-12-31 | 2025-09-30 | 2025-06-30 | 2024-12-31 | 2023-12-31 | |
|---|---|---|---|---|---|
| Net Income | $-61M | — | — | $-6M | $-47.6K |
| Diluted EPS | — | — | — | $-0.57 | $-0.01 |
Balance Sheet
| 2025-12-31 | 2025-09-30 | 2025-06-30 | 2024-12-31 | 2023-12-31 | |
|---|---|---|---|---|---|
| Debt / Equity | — | — | — | -1.0 | -0.9 |
| Current Ratio | 10.2 | — | — | 0.0 | 0.0 |
| Quick Ratio | 9.9 | — | — | 0.0 | — |
Cash Flow
| 2025-12-31 | 2025-09-30 | 2025-06-30 | 2024-12-31 | 2023-12-31 | |
|---|---|---|---|---|---|
| Free Cash Flow | $-13M | — | — | — | — |
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Company insiders 12 insiders · 7 officers · 5 directors
| Insider | Role | Last activity | Shares owned | Buys 12m | Sells 12m | Net 12m |
|---|---|---|---|---|---|---|
| Muller Elizabeth | Chief Executive Officer | March 9, 2026 A | 549,451 | 0 | 0 | $0 |
| Ian Seth Jacobs | President, CEO, CFO, Secretary | Aug. 26, 2025 P | 275,000 | 0 | 0 | $0 |
| William Mark Schmitz | Chief Financial Officer | March 9, 2026 A | 103,928 | 0 | 0 | $0 |
| Michael Allen Brasel | Chief Operating Officer | March 9, 2026 A | — | 0 | 0 | $0 |
| Mark Wayne Peres | Chief Nuclear Officer | March 9, 2026 A | — | 0 | 0 | $0 |
| Jonathan H Gordon | General Counsel | March 9, 2026 A | — | 0 | 0 | $0 |
| Richard Muller | Chief Technology Officer | March 9, 2026 A | 5,196,426 | 0 | 0 | $0 |
| Jonathon Angell | Director | July 23, 2026 A | — | 0 | 0 | $0 |
| Tepper Leslie Goldman | Director | July 23, 2026 A | — | 0 | 0 | $0 |
| Blake Janover | Director | July 23, 2026 A | — | 0 | 0 | $0 |
| Thomas S Glanville | Director | July 23, 2026 A | — | 0 | 0 | $0 |
| Mark N. Tompkins | — | Sept. 5, 2025 J | 1,891,667 | 0 | 0 | $0 |
Insiders from SEC Form 3/4/5 filings; net = open-market P/S only
Activists & 5%+ owners 2 positions
Investors who filed SEC Schedule 13D — beneficial ownership above 5% with an intent to influence the issuer (activist stakes, board campaigns, M&A). Each row shows the most recent known state of that filer's position.
| Filer | Filed | Stake | Status | Purpose | Filing |
|---|---|---|---|---|---|
| Muller Richard | Sept. 23, 2025 | 10.60% | Initial filing | — | SEC |
| Muller Elizabeth | Sept. 23, 2025 | 20.60% | Initial filing | — | SEC |
Purpose is an automated classification of the filer's own stated purpose (SEC Item 4) — not investment advice. "—" means no clear purpose was stated or the text could not be classified.