Deep Fission, Inc.
FISN Nasdaq Electric Services Financials FY2022–FY2025
Last close · Oct 23, 2026
$2.30
4.6%
Revenue
Total sales reported in the income statement.
—
vs prior year
Operating margin
Operating income as a share of revenue.
—
Net income
Profit after all expenses, interest and tax.
−$61.0M
Free cash flow
Cash from operations minus capital spending.
−$13.1M
Return on capital
After-tax operating income as a share of the money invested in the business: debt plus equity, minus cash.
—
Market cap
Last close times the latest diluted share count, so it is approximate.
$127M
Oct 23 close
P/E
Last close divided by diluted earnings per share over the last four quarters.
—
What Deep Fission, Inc. does
No business description yet.
- Legal name
- DEEP FISSION, INC.
- Fiscal year ends
- December 31, 2025
- Latest annual report
- 10-K · Apr 15, 2026
- Accession · CIK
- 0001104659-26-043870
0001918102
Revenue and margins
Deep Fission, Inc. had — of revenue in fiscal 2025.
FY22
Revenue —
FY23
Revenue —
FY24
Revenue —
FY25
Revenue —
FY22
Gross —
Operating —
Net —
FCF —
FY23
Gross —
Operating —
Net —
FCF —
FY24
Gross —
Operating —
Net —
FCF —
FY25
Gross —
Operating —
Net —
FCF —
Gross
Operating
Net
FCF
Net income and earnings per share
Loss periods are shown in red.
FY22
Net income −$0.0M
FY23
Net income −$0.0M
FY24
Net income −$5.7M
FY25
Net income −$61.0M
Q3 '23
Net income −$0.0M
Q4 '23
Net income −$0.0M
Q1 '24
Net income −$0.9M
Q2 '24
Net income −$1.3M
Q3 '24
Net income −$1.2M
Q4 '24
Net income −$2.8M
Q1 '25
Net income −$3.1M
Q2 '25
Net income −$3.8M
Q3 '25
Net income −$45.4M
Q4 '25
Net income −$8.7M
Q1 '26
Net income −$21.3M
Q2 '26
Net income −$31.0M
FY22
Diluted EPS −$0.01
FY23
Diluted EPS −$0.01
FY24
Diluted EPS −$0.57
FY25
Diluted EPS —
Q3 '23
Diluted EPS $0.00
Q4 '23
Diluted EPS −$0.01
Q1 '24
Diluted EPS $0.00
Q2 '24
Diluted EPS $0.00
Q3 '24
Diluted EPS −$0.09
Q4 '24
Diluted EPS −$0.48
Q1 '25
Diluted EPS −$0.19
Q2 '25
Diluted EPS −$0.27
Q3 '25
Diluted EPS −$1.94
Q4 '25
Diluted EPS —
Q1 '26
Diluted EPS −$0.39
Q2 '26
Diluted EPS −$0.56
Returns on capital
After-tax operating income as a share of the money invested in the business: debt plus equity, minus cash.
FY22
Return on capital —
Return on equity —
Return on assets −49,400.0%
FY23
Return on capital —
Return on equity −23.9%
Return on assets −10,577.8%
FY24
Return on capital —
Return on equity —
Return on assets −166.5%
FY25
Return on capital —
Return on equity −670.2%
Return on assets −386.7%
Return on capital
Return on equity
Return on assets
Cash flow
Free cash flow was −$13.1M in fiscal 2025, — of revenue. Cash from operations minus capital spending.
FY22
Free cash flow —
FY23
Free cash flow —
FY24
Free cash flow −$2.8M
FY25
Free cash flow −$13.1M
Q3 '23
Free cash flow —
Q4 '23
Free cash flow —
Q1 '24
Free cash flow —
Q2 '24
Free cash flow —
Q3 '24
Free cash flow —
Q4 '24
Free cash flow −$1.4M
Q1 '25
Free cash flow −$1.6M
Q2 '25
Free cash flow −$2.0M
Q3 '25
Free cash flow −$2.9M
Q4 '25
Free cash flow −$6.6M
Q1 '26
Free cash flow −$14.1M
Q2 '26
Free cash flow −$28.4M
FY22
Cash from operations −$0.0M
Capital spending —
FY23
Cash from operations −$0.0M
Capital spending —
FY24
Cash from operations −$2.8M
Capital spending $0.0M
FY25
Cash from operations −$13.1M
Capital spending $0.0M
Cash from operations
Capital spending
Q3 '23
Cash from operations −$0.0M
Capital spending —
Q4 '23
Cash from operations −$0.0M
Capital spending —
Q1 '24
Cash from operations −$0.0M
Capital spending —
Q2 '24
Cash from operations −$0.0M
Capital spending —
Q3 '24
Cash from operations −$1.4M
Capital spending —
Q4 '24
Cash from operations −$1.4M
Capital spending $0.0M
Q1 '25
Cash from operations −$1.6M
Capital spending $0.0M
Q2 '25
Cash from operations −$2.0M
Capital spending $0.0M
Q3 '25
Cash from operations −$2.9M
Capital spending −$0.0M
Q4 '25
Cash from operations −$6.6M
Capital spending $0.0M
Q1 '26
Cash from operations −$14.0M
Capital spending $0.1M
Q2 '26
Cash from operations −$28.4M
Capital spending $0.0M
Cash from operations
Capital spending
Dividends, buybacks and share count
Deep Fission, Inc. returned — to shareholders in fiscal 2025. The diluted share count rose 0.0%.
FY22
Dividends —
Buybacks —
FY23
Dividends —
Buybacks —
FY24
Dividends —
Buybacks —
FY25
Dividends —
Buybacks —
Dividends
Buybacks
FY22
Diluted shares 0.01B
FY23
Diluted shares 0.01B
FY24
Diluted shares 0.01B
FY25
Diluted shares —
Balance sheet
Cash, debt and the ratios that show how comfortably Deep Fission, Inc. can carry it.
FY22
Cash $0.0M
Debt —
FY23
Cash $0.9M
Debt —
FY24
Cash $6.7M
Debt —
FY25
Cash $23.7M
Debt —
Cash
Debt
| Fiscal year end | FY22 | FY23 | FY24 | FY25 |
|---|---|---|---|---|
| Cash and short-term investments | $0.0M | $0.9M | $6.7M | $23.7M |
| Current ratio | 0.0x | 0.0x | 42.5x | 10.2x |
| Quick ratio | 0.0x | 0.0x | 42.5x | 10.2x |
| Total assets | $0.0M | $0.0M | $6.9M | $24.7M |
| Total liabilities | $0.1M | $0.1M | $10.9M | $2.4M |
| Shareholders' equity | −$0.1M | $0.5M | −$4.1M | $22.3M |
| Net debt (− = net cash) | — | — | — | — |
Insider trades
Open-market purchases and sales by officers, directors and 10% owners, from Form 4 filings. “Plan” marks trades under a pre-arranged Rule 10b5-1 plan.
Bought, 12 months
$0.0M
0 insiders
Sold, 12 months
$0.0M
0 insiders
Of sales under plans
—
$0.0M
No open-market insider trades in the last 12 months.
Piotroski F-score
Nine pass/fail tests of profitability, funding and efficiency. 8–9 is strong, 0–2 weak.
| Test | FY22 | FY23 | FY24 | FY25 |
|---|---|---|---|---|
| Net income is positive | ✕ | ✕ | ✕ | ✕ |
| Cash from operations is positive | ✕ | ✕ | ✕ | ✕ |
| Return on assets rose | — | ✓ | ✓ | ✕ |
| Cash from operations exceeds net income | ✓ | ✓ | ✓ | ✓ |
| Debt fell relative to assets | — | — | — | — |
| Current ratio rose | — | ✓ | ✓ | ✕ |
| Share count didn't rise | — | ✓ | ✕ | — |
| Gross margin rose | — | — | — | — |
| Revenue rose relative to assets | — | — | — | — |
| F-score | — / 3 | — / 6 | — / 6 | — / 5 |
| Accruals ratio | −9,300.0% | −288.9% | −84.9% | −303.9% |
| Altman Z'' | −9,405.79 | −1,740.78 | −0.72 | 0.96 |
4 years of figures
Amounts in USD. Hover a ratio’s name for its definition.
| Fiscal year | FY22 | FY23 | FY24 | FY25 |
|---|---|---|---|---|
| Income statement | ||||
| Research and development | — | — | $0.7M | $6.6M |
| Operating income | −$0.0M | −$0.0M | −$4.1M | −$21.4M |
| Net income | −$0.0M | −$0.0M | −$5.7M | −$61.0M |
| Diluted EPS | −$0.01 | −$0.01 | −$0.57 | — |
| Diluted shares | 0.01B | 0.01B | 0.01B | — |
| Cash flow | ||||
| Cash from operations | −$0.0M | −$0.0M | −$2.8M | −$13.1M |
| Capital expenditure | — | — | $0.0M | $0.0M |
| Free cash flow | — | — | −$2.8M | −$13.1M |
| Depreciation and amortization | — | — | $0.0M | $0.0M |
| Stock-based compensation | — | — | $1.2M | $8.4M |
| Balance sheet | ||||
| Cash and short-term investments | $0.0M | $0.9M | $6.7M | $23.7M |
| Current assets | $0.0M | $0.0M | $6.9M | $24.4M |
| Current liabilities | $0.1M | $0.1M | $0.2M | $2.4M |
| Property and equipment, net | — | — | $0.0M | $0.0M |
| Total assets | $0.0M | $0.0M | $6.9M | $24.7M |
| Total liabilities | $0.1M | $0.1M | $10.9M | $2.4M |
| Shareholders' equity | −$0.1M | $0.5M | −$4.1M | $22.3M |
| Returns | ||||
| Return on capital employed | 79.9% | 43.5% | −61.2% | −95.9% |
| Return on equity | — | −23.9% | — | −670.2% |
| Return on assets | −49,400.0% | −10,577.8% | −166.5% | −386.7% |
| Return on tangible equity | — | −10.3% | — | −273.7% |
| Growth | ||||
| Share count change | — | 0.0% | 100.7% | — |
| Financial health | ||||
| Current ratio | 0.0x | 0.0x | 42.5x | 10.2x |
| Quick ratio | 0.0x | 0.0x | 42.5x | 10.2x |
| Quality scores | ||||
| Altman Z'' | −9,405.8 | −1,740.8 | −0.7 | 1.0 |
| Accruals ratio | −9,300.0% | −288.9% | −84.9% | −303.9% |
Source: SEC EDGAR XBRL filings (CIK 0001918102). Data updated October 24, 2026. Quarterly fourth quarters are the full year minus the first nine months. For information only — not investment advice. Check the original filings before relying on any figure.