Ambiq Micro, Inc. (AMBQ) stock analysis
Close on Nov 12, 2026Market cap $1.18BP/E –Yield –
StockData Score
Prices as of Nov 12, 2026How the score works
Mixed9 of 30 checks passed
Ambiq Micro passes 9 of the 30 checks behind our score; 15 could not be run for lack of data and count as not passed. Each dot in the shape is one check — hover it for the numbers.
- Valuation
- 1/6
- Growth
- 2/6
- Past performance
- 0/6
- Financial health
- 6/6
- Dividend
- 0/6
What stands out
No debt
Ambiq Micro has no borrowings on its latest balance sheet.
Interest well covered
No meaningful interest expense to cover.
Debt covered by cash flow
There is no debt to cover.
Low bankruptcy risk
The Altman Z-score is 23.78; above 3 is the safe zone and below 1.8 the distress zone.
What to watch
Margin of safety under 20%
The price is 22.3% above fair value, so there is no margin of safety.
Trading above fair value
The share price of $48.78 is above our fair value estimate of $39.90.
Return on capital under 10%
Return on invested capital was -103%, below the 10% that usually covers the cost of capital.
Return on equity below the industry
Ambiq Micro's return on equity of -12.2% is below the Electronic Components and Accessories median of 5.0%.
Valuation1/6
P/E against its history
Not enough price and earnings history to compare.
P/E against the industry
Needs positive earnings and enough profitable companies in the industry.
EV/EBITDA against its history
Needs positive EBITDA and price history.
P/B below the industry
Ambiq Micro's price-to-book of 2.91 is below the Electronic Components and Accessories median of 3.36.
Trading above fair value
The share price of $48.78 is above our fair value estimate of $39.90.
Margin of safety under 20%
The price is 22.3% above fair value, so there is no margin of safety.
Growth2/6
Revenue growth over 3 years
Needs three years of positive revenue.
EPS growth over 3 years
Needs positive EPS three years ago and today.
Earnings acceleration
Needs positive net income now, a year ago and five years ago.
Growing faster than the industry
Revenue grew 63.4% over the last twelve months; the Electronic Components and Accessories median is 17.6%.
Guidance issued
The latest outlook (quarter ending December 31, 2026 Net sales, Nov 10, 2026) was issued for the first time, so it neither adds nor takes away points.
Gross margin improving
Gross margin was 44.8% over the last twelve months, against 39.2% a year earlier.
Past performance0/6
Return on equity
Needs positive equity and five years of results.
Return on capital under 10%
Return on invested capital was -103%, below the 10% that usually covers the cost of capital.
Return on equity below the industry
Ambiq Micro's return on equity of -12.2% is below the Electronic Components and Accessories median of 5.0%.
Earnings over 5 years
Needs positive net income five years ago and in the latest year.
Net margin against its history
Needs five years of revenue and net income.
Net margin below the industry
Ambiq Micro's net margin of -29.7% is below the Electronic Components and Accessories median of 3.0%.
Financial health6/6
No debt
Ambiq Micro has no borrowings on its latest balance sheet.
Debt not rising
With no debt today, leverage cannot have risen.
Debt covered by cash flow
There is no debt to cover.
Interest well covered
No meaningful interest expense to cover.
Short-term assets cover short-term debts
Current assets are 16.55 times current liabilities.
Low bankruptcy risk
The Altman Z-score is 23.78; above 3 is the safe zone and below 1.8 the distress zone.
Dividend0/6
No dividend
Ambiq Micro has not paid a dividend in the last twelve months.
Yield against Treasuries
No dividend.
Yield against the market
No dividend.
Dividend stability
No dividend.
Earnings cover
No dividend.
Cash-flow cover
No dividend.
Fair value
How we estimate itOur estimate per share
$39.90
The share price is 22% above this estimate.
| Method | Multiple used | Own 5Y median | Industry median | Value per share | Weight |
|---|---|---|---|---|---|
| P/B | 3.4× | – | 3.4× | $56.32 | 50% |
| P/S | 4.8× | – | 4.8× | $23.48 | 50% |
| Fair value | $39.90 | 100% | |||
Valuation over time
Using the earnings and balance sheet published at each date, not today's.
- P/B at month end
- Electronic Components and Accessories median 3.4
An estimate from reported numbers and market multiples, not a price target or investment advice. It can be far off for companies whose profits are about to change sharply.
Market risk
From the past year of daily prices.
Liquidity
Low risk
- Average value traded per day
- $23.81M
- Value traded per 1% price move
- $5.88M
Downside
High risk
- Typical loss in a bad month
- 32.0%
- Volatility (annualized)
- 90%
- Sharpe ratio, 1 year
- 0.73
- Beta to the S&P 500 (5Y)
- 3.04
Typical bad-month loss, week by week
Margins
Share of revenue, fiscal years 2023 to 2025
Gross margin
Operating margin
Net margin
Growth rates
Compound annual growth to fiscal 2025
| Per year | 1 year | 3 years | 5 years | 10 years | Five-year pace |
|---|---|---|---|---|---|
| Revenue | -4.7% | – | – | – | |
| Gross profit | +32.1% | – | – | – |
Returns and balance sheet
3 fiscal years. Hover a measure to see how it is calculated.
| Measure | FY2023 | FY2023 | FY2025 | Trend |
|---|---|---|---|---|
| Return on equity | – | – | 56.1% | |
| Current ratio | – | – | 8.76 | |
| Diluted shares | – | – | 8M |
Cash use needs five years of cash flow figures
Ambiq Micro does not report operating cash flow and capital expenditure for each of the last five fiscal years.
DuPont analysis
Return on equity split into margin, efficiency and leverage
| Fiscal year | Net margin | Asset turnover | Equity multiplier | Return on equity |
|---|---|---|---|---|
| FY2025 | -50.3% | 0.50× | -2.22× | 56.1% |
Piotroski F-Score
Nine tests of profitability, balance sheet and efficiency, fiscal 2025 against fiscal 2024
- ProfitableNet income above zero-$36.46M
- Cash generatingOperating cash flow above zero-$19.69M
- Return on assets improvedROA up on the prior year– → -35.0%
- Earnings backed by cashOperating cash flow above net income-$19.69M vs -$36.46M
- Less leverageLong-term debt to assets fell– → –
- Better liquidityCurrent ratio rose7.56 → 8.76
- No dilutionShare count did not rise0M → 8M
- Gross margin improvedGross margin up on the prior year31.93% → 44.26%
- More efficientAsset turnover rose– → 0.70
See a number that looks wrong?