Amprius Tech Financials
Amprius Tech (AMPX) reported $73.0M in revenue for fiscal year 2025, up 202.1% from the prior fiscal year. This page shows its income statement, balance sheet, cash flow statement, and key financial ratios. View 5 years of annual fundamentals and quarterly data, with year-over-year growth rates and compound annual growth rates (CAGR). All figures are derived from SEC filings (10-K and 10-Q reports).
Amprius has crossed into positive gross profit, but the business still runs on external cash while fixed costs catch up.
The latest year produced positive gross margin of11.3% , a sharp change from FY2024's negative gross margin and evidence that manufacturing economics improved materially. But operating loss stayed near-$46.6M even as revenue reached$73.0M , showing that better unit economics have not yet translated into enough scale to absorb corporate and development spending.
Cash conversion is still weak: accounts receivable climbed to
The balance sheet remains equity-funded rather than debt-funded: cash of
Financial Health Signals
Scored against emerging companies for FY2025. Each of the six dimensions is a percentile rank within that peer group; the overall is their average, with missing dimensions counted as zero out of six. A high score means strong standing among peers, not absolute cross-industry strength. How this score is calculated →
Health score ≠ stock price. This rates the quality of Amprius Tech's business: profitability, growth, balance sheet strength. It doesn't tell you whether the stock is a good buy at today's price. Not financial advice. Use it alongside valuation analysis and your own research.
Amprius Tech scores 15.44, well above the 2.99 safe threshold. The score is driven primarily by a large market capitalization ($1.5B) relative to total liabilities ($53.1M). This indicates low bankruptcy risk based on profitability, leverage, and asset efficiency.
Distress-screening estimate for non-financial companies. Not computed for banks or insurers, where the Altman model does not apply.
Amprius Tech passes 5 of 8 computable financial strength tests (1 of the nine could not be computed from available data). 2 of 4 profitability signals pass, 1 of 2 leverage/liquidity signals pass, both operating efficiency signals pass.
Amprius Tech reported a net loss of $44.0M while operations used $31.1M of cash. With neither figure positive, the ratio between the two carries no quality signal.
Key Financial Metrics
Earnings & Revenue
Amprius Tech generated $73.0M in revenue in fiscal year 2025. This represents an increase of 202.1% from the prior year.
Amprius Tech's EBITDA was -$42.3M in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization. This represents an increase of 0.4% from the prior year.
Amprius Tech reported -$44.0M in net income in fiscal year 2025. This represents an increase of 1.4% from the prior year.
Amprius Tech earned -$0.35 per diluted share (EPS) in fiscal year 2025. This represents an increase of 22.2% from the prior year.
Cash & Balance Sheet
Amprius Tech recorded an outflow of $35.5M in free cash flow in fiscal year 2025, representing a cash shortfall after capex. This represents an increase of 2.8% from the prior year.
Amprius Tech held $90.5M in cash as of fiscal year 2025; long-term debt is not reported for that period.
Not reported for fiscal year 2025.
Margins & Returns
Amprius Tech's gross margin was 11.3% in fiscal year 2025, indicating the percentage of revenue retained after direct costs. This is up 87.2 percentage points from the prior year.
Amprius Tech's operating margin was -63.9% in fiscal year 2025, reflecting core business profitability. No change is given against fiscal year 2024: its reported ratio is below -100.0% of revenue, so it does not read as a share of revenue.
Amprius Tech's net profit margin was -60.3% in fiscal year 2025, showing the share of revenue converted to profit. No change is given against fiscal year 2024: its reported ratio is below -100.0% of revenue, so it does not read as a share of revenue.
Amprius Tech's ROE was -42.4% in fiscal year 2025, measuring profit generated per dollar of shareholder equity. This is up 21.9 percentage points from the prior year.
Capital Allocation
Amprius Tech invested $9.4M in research and development in fiscal year 2025. This represents an increase of 28.4% from the prior year.
Amprius Tech invested $4.4M in capex in fiscal year 2025, funding long-term assets and infrastructure. This represents an increase of 37.2% from the prior year.
Not reported for fiscal year 2025.
AMPX Income Statement
Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.
| Metric | TTM | FY25 | FY24 | FY23 | FY22 | FY21 |
|---|---|---|---|---|---|---|
| Revenue | $109.2M | $73.0M+202.1% | $24.2M+167.0% | $9.1M+105.3% | $4.4M+59.1% | $2.8M |
| Cost of Revenue | $84.9M | $64.7M+52.4% | $42.5M+79.1% | $23.7M+135.8% | $10.1M+41.7% | $7.1M |
| Gross Profit | $24.3M | $8.3M+145.1% | -$18.3M-24.9% | -$14.7M-159.6% | -$5.7M-30.6% | -$4.3M |
| R&D Expenses | $13.2M | $9.4M+28.4% | $7.3M+99.7% | $3.7M+81.4% | $2.0M+39.8% | $1.4M |
| SG&A Expenses | $29.8M | $23.0M+22.6% | $18.7M-8.0% | $20.4M+96.5% | $10.4M+113.9% | $4.8M |
| Operating Income | -$41.1M | -$46.6M-0.8% | -$46.3M-19.5% | -$38.7M-114.6% | -$18.0M-69.8% | -$10.6M |
| Income Tax | N/A | $0 | $0 | $0 | $0 | $0 |
| Net Income | -$36.5M | -$44.0M+1.4% | -$44.7M-21.5% | -$36.8M-112.2% | -$17.3M-75.1% | -$9.9M |
| EPS (Diluted) | — | -$0.35+22.2% | -$0.45-4.7% | -$0.43-79.2% | -$0.24-60.0% | -$0.15 |
Not reported in any period shown, so not listed: Interest Expense.
TTM is the trailing twelve months, Q3 FY2025 through Q2 FY2026, summed from the four most recent quarterly filings. A row marked — cannot be summed at all, because a quarter in the window reports no per-share figure; a row marked N/A could be summed, but a quarter in the window does not report that metric.
AMPX Balance Sheet
Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.
| Metric | FY25 | FY24 | FY23 | FY22 | FY21 |
|---|---|---|---|---|---|
| Total Assets | $156.9M+29.5% | $121.1M+12.4% | $107.7M+29.5% | $83.2M+348.9% | $18.5M |
| Current Assets | $126.4M+83.9% | $68.8M+36.1% | $50.5M-32.8% | $75.2M+430.3% | $14.2M |
| Cash & Equivalents | $90.5M+64.0% | $55.2M+20.5% | $45.8M-34.3% | $69.7M+506.6% | $11.5M |
| Inventory | $6.7M+2.4% | $6.6M+800.5% | $730K+46.0% | $500K0.0% | $500K |
| Accounts Receivable | $23.7M+323.9% | $5.6M+330.8% | $1.3M+85.7% | $700K+167.2% | $262K |
| Total Liabilities | $53.1M+2.8% | $51.7M+7.8% | $47.9M+372.8% | $10.1M+117.1% | $4.7M |
| Current Liabilities | $17.9M+3.8% | $17.2M+27.9% | $13.5M+94.5% | $6.9M+66.0% | $4.2M |
| Total Equity | $103.8M+49.4% | $69.5M+16.2% | $59.8M-18.1% | $73.0M+427.0% | $13.9M |
| Retained Earnings | -$218.4M-25.3% | -$174.3M-34.5% | -$129.7M-39.6% | -$92.9M-23.2% | -$75.4M |
Not reported in any period shown, so not listed: Goodwill, Long-Term Debt.
AMPX Cash Flow Statement
Figures in USD, abbreviated K (thousand), M (million), B (billion), T (trillion). Negative values carry a minus sign and red type.
| Metric | TTM | FY25 | FY24 | FY23 | FY22 | FY21 |
|---|---|---|---|---|---|---|
| Operating Cash Flow | -$52.9M | -$31.1M+6.7% | -$33.4M-30.5% | -$25.6M-84.1% | -$13.9M-73.2% | -$8.0M |
| Capital Expenditures | $5.6M | $4.4M+37.2% | $3.2M-81.7% | $17.6M+1085.0% | $1.5M+143.2% | $609K |
| Free Cash Flow | -$58.4M | -$35.5M+2.8% | -$36.6M+15.2% | -$43.1M-180.6% | -$15.4M-78.1% | -$8.6M |
| Investing Cash Flow | -$5.2M | -$4.4M-37.2% | -$3.2M+81.7% | -$17.6M-1085.0% | -$1.5M-143.2% | -$609K |
| Financing Cash Flow | $77.2M | $71.0M+50.7% | $47.2M+146.0% | $19.2M-74.0% | $73.6M+266.1% | $20.1M |
Not reported in any period shown, so not listed: Dividends Paid, Share Buybacks.
TTM is the trailing twelve months, Q3 FY2025 through Q2 FY2026, summed from the four most recent quarterly filings. A row marked — cannot be summed at all, because a quarter in the window reports no per-share figure; a row marked N/A could be summed, but a quarter in the window does not report that metric.
AMPX Financial Ratios
Margins and returns are percentages; the remaining ratios are unitless multiples.
| Metric | FY25 | FY24 | FY23 | FY22 | FY21 |
|---|---|---|---|---|---|
| Gross Margin | 11.3%+87.2pp | -75.8% | -162.1% | -128.2% | -156.2% |
| Operating Margin | -63.9% | -191.4% | -427.6% | -409.2% | -383.2% |
| Net Margin | -60.3% | -184.8% | -406.2% | -393.1% | -357.0% |
| Return on Equity | -42.4%+21.9pp | -64.3%-2.8pp | -61.5%-37.8pp | -23.7%+47.7pp | -71.4% |
| Return on Assets | -28.1%+8.8pp | -36.9%-2.7pp | -34.1%-13.3pp | -20.8%+32.6pp | -53.4% |
| Current Ratio | 7.08+3.1x | 4.00+0.2x | 3.75-7.1x | 10.87+7.5x | 3.40 |
| Debt-to-Equity | 0.51-0.2x | 0.74-0.1x | 0.80+0.7x | 0.14-0.2x | 0.34 |
| FCF Margin | -48.7% | -151.3% | -476.1% | -348.4% | -311.1% |
Reported as filed but not readable as a share of revenue in the periods where the ratio runs further from zero than a revenue base allows; no change figure is given where either compared period is one of those: Gross Margin, Operating Margin, Net Margin, FCF Margin.
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Where Amprius Tech Ranks
Frequently Asked Questions
What is Amprius Tech's annual revenue?
Amprius Tech (AMPX) reported $73.0M in total revenue for fiscal year 2025. This represents a 202.1% change compared to the previous fiscal year. Revenue measures the total income earned from the company's primary business operations before any expenses are deducted.
How fast is Amprius Tech's revenue growing?
Amprius Tech (AMPX) revenue grew by 202.1% year-over-year, from $24.2M to $73.0M in fiscal year 2025.
Is Amprius Tech profitable?
No, Amprius Tech (AMPX) reported a net income of -$44.0M in fiscal year 2025, with a net profit margin of -60.3%.
What is Amprius Tech's EBITDA?
Amprius Tech (AMPX) had EBITDA of -$42.3M in fiscal year 2025, measuring earnings before interest, taxes, depreciation, and amortization.
What is Amprius Tech's gross margin?
Amprius Tech (AMPX) had a gross margin of 11.3% in fiscal year 2025, indicating the percentage of revenue retained after direct costs of goods sold.
What is Amprius Tech's operating margin?
Amprius Tech (AMPX) had an operating margin of -63.9% in fiscal year 2025, reflecting the profitability of core business operations before interest and taxes.
What is Amprius Tech's net profit margin?
Amprius Tech (AMPX) had a net profit margin of -60.3% in fiscal year 2025, representing the share of revenue converted into profit after all expenses.
What is Amprius Tech's return on equity (ROE)?
Amprius Tech (AMPX) has a return on equity of -42.4% for fiscal year 2025, measuring how efficiently the company generates profit from shareholder equity.
What is Amprius Tech's free cash flow?
Amprius Tech (AMPX) recorded an outflow of $35.5M in free cash flow during fiscal year 2025. This represents a 2.8% change compared to the previous fiscal year. Free cash flow represents the cash a company generates after accounting for capital expenditures, and is widely used to assess financial flexibility and shareholder value.
What is Amprius Tech's operating cash flow?
Amprius Tech (AMPX) recorded an outflow of $31.1M in operating cash flow during fiscal year 2025, representing cash used by core business activities.
What are Amprius Tech's total assets?
Amprius Tech (AMPX) had $156.9M in total assets as of fiscal year 2025, including both current and long-term assets.
What are Amprius Tech's capital expenditures?
Amprius Tech (AMPX) invested $4.4M in capital expenditures during fiscal year 2025, funding long-term assets and infrastructure.
How much does Amprius Tech spend on research and development?
Amprius Tech (AMPX) invested $9.4M in research and development during fiscal year 2025.
What is Amprius Tech's current ratio?
Amprius Tech (AMPX) had a current ratio of 7.08 as of fiscal year 2025, which is generally considered healthy.
What is Amprius Tech's debt-to-equity ratio?
Amprius Tech (AMPX) had a debt-to-equity ratio of 0.51 as of fiscal year 2025, measuring the company's financial leverage by comparing total debt to shareholder equity.
What is Amprius Tech's return on assets (ROA)?
Amprius Tech (AMPX) had a return on assets of -28.1% for fiscal year 2025, measuring how efficiently the company uses its assets to generate profit.
What is Amprius Tech's cash runway?
Based on fiscal year 2025 data, Amprius Tech (AMPX) had $90.5M in cash against an annual operating cash burn of $31.1M. This gives an estimated cash runway of approximately 35 months at the current burn rate. Cash runway measures how long a company can continue operating before running out of cash, assuming no additional funding.
What is Amprius Tech's Altman Z-Score?
Amprius Tech (AMPX) has an Altman Z-Score of 15.44, placing it in the Safe Zone (low bankruptcy risk). The Z-Score combines five financial ratios (working capital, retained earnings, EBIT, market capitalization, and revenue relative to total assets) to predict the likelihood of bankruptcy. Scores above 2.99 indicate financial safety while scores below 1.81 suggest financial distress. Learn more in our complete guide to financial health indicators.
What is Amprius Tech's Piotroski F-Score?
Amprius Tech (AMPX) has a Piotroski F-Score of 5 out of 8 computable signals; 1 of the nine could not be computed from available data, so the full-scale strength rating is not shown. The F-Score evaluates nine binary signals across profitability (positive ROA, positive cash flow, improving ROA, earnings quality), leverage (decreasing debt, improving liquidity, no share dilution), and operating efficiency (improving gross margin, improving asset turnover). Scores of 7 to 9 indicate strong and improving fundamentals. Learn more in our complete guide to financial health indicators.
Are Amprius Tech's earnings high quality?
Amprius Tech (AMPX) reported a net loss of $44.0M while operations used $31.1M of cash. With neither figure positive, the ratio between the two carries no quality signal. This ratio compares operating cash flow to net income. A ratio above 1.0x means the company generates more cash than its reported earnings, indicating sustainable, cash-backed profits. Ratios below 1.0x suggest earnings rely on accounting accruals rather than actual cash generation. Learn more in our complete guide to financial health indicators.
How financially healthy is Amprius Tech?
Amprius Tech (AMPX) scores 57 out of 100 on our Financial Health Score, indicating moderate standing within its emerging companies peer group. The score is a 0-100 composite of six dimensions (Cash Runway, Dilution, R&D Intensity, Revenue Progress, Burn Trend, Balance Sheet), each ranked as a percentile relative to companies in the same scoring family (banks against banks, REITs against REITs, and so on) rather than across all industries. It rates the quality of the business, not whether the stock is fairly priced, and is not financial advice. Learn more in our complete guide to financial health indicators.