Ambiq Micro, Inc. (AMBQ) Key Metrics

NYSE: AMBQValuation, returns, debt and efficiency ratios over 5 years.

AMBQ valuation today

Trailing 12 months · as of October 18, 2026
Market cap
$1.21B
Enterprise value
$1.31B
P/E (TTM)
—
Forward P/E
—
PEG ratio
—
Price / sales
12.3
Price / book
3.7
EV / EBITDA
—
Dividend yield
—
Beta
—

AMBQ key metrics, 2020–2025

Fiscal year ended December 31, 2025 · U.S. dollars

AMBQ returns How much profit the business earns on the capital it uses.

Return on equity+25.4 pts
−29.4%
2025 · hover or tap a bar for each year
2020: −27.3%2021: −28.0% (−0.6 pts)2023: −68.0% (−40.0 pts)2024: −54.7% (+13.2 pts)2025: −29.4% (+25.4 pts)
20202025
Return on invested capital−24.2 pts
−133.8%
2025 · hover or tap a bar for each year
2020: −58.6%2021: −43.9% (+14.7 pts)2023: −84.5% (−40.6 pts)2024: −109.6% (−25.0 pts)2025: −133.8% (−24.2 pts)
20202025
Return on assets+19.7 pts
−25.2%
2025 · hover or tap a bar for each year
2020: −25.3%2021: −24.7% (+0.6 pts)2023: −56.7% (−31.9 pts)2024: −44.9% (+11.8 pts)2025: −25.2% (+19.7 pts)
20202025
Free cash flow margin−4.3 pts
−37.4%
2025 · hover or tap a bar for each year
2020: −77.0%2021: −63.2% (+13.8 pts)2023: −45.7% (+17.4 pts)2024: −33.1% (+12.7 pts)2025: −37.4% (−4.3 pts)
20202025
Asset turnover−41.7%
0.50
2025 · hover or tap a bar for each year
2020: 0.512021: 0.89 (+73.8%)2023: 0.74 (−16.9%)2024: 0.86 (+16.6%)2025: 0.50 (−41.7%)
20202025

AMBQ valuation history

Fiscal year-endToday5-year median

AMBQ returns on capital

ROEROICROA

Net income (ROE, ROA) or after-tax operating income (ROIC) divided by the average of the opening and closing balance.

AMBQ debt vs cash

Total debtCash & short-term investments

Debt includes short- and long-term borrowings and, where reported, lease liabilities.

AMBQ price vs earnings per share

Share price at year-endEPS (right axis)

AMBQ key metrics

2020–2025
Ambiq Micro, Inc. key metrics by fiscal year
20252024202320212020
Valuation
Market capitalization$227.4M————
Enterprise value$87.8M————
Price / sales3.1————
Price / book1.4————
EV / sales1.2————
Earnings yield−16.0%————
Free cash flow yield−11.9%————
Share price at fiscal year-end$28.50————
Per share
Revenue per share$9.09$5.59$6.27—$3.75
Earnings per share−$4.57−$2.91−$4.81—−$1.85
Operating cash flow per share−$2.47−$1.57−$2.58—−$2.55
Free cash flow per share−$3.40−$1.85−$2.87—−$2.88
Cash per share$17.58$4.48$2.61—$4.78
Book value per share$20.37$6.30$5.66—$6.78
Tangible book value per share$18.91$5.44$5.12—$6.66
Capex per share$0.93$0.27$0.29—$0.34
Debt per share$0.08$0.07$0.10——
Shares outstanding8.0M13.6M10.5M—13.6M
Change in shares outstanding−41.4%+30.2%———
Returns & profitability
Return on equity (ROE)−29.4%−54.7%−68.0%−28.0%−27.3%
Return on invested capital (ROIC)−133.8%−109.6%−84.5%−43.9%−58.6%
Return on assets (ROA)−25.2%−44.9%−56.7%−24.7%−25.3%
Return on tangible assets−21.1%−42.9%−75.3%−24.3%−25.7%
Free cash flow margin−37.4%−33.1%−45.7%−63.2%−77.0%
Financial health
Total debt$678,000$966,000$1.0M——
Cash & short-term investments$140.3M$61.0M$27.3M$25.9M$65.1M
Net debt−$139.6M−$60.0M−$26.3M−$25.9M−$65.1M
Debt / equity0.000.010.02——
Debt / assets0.000.010.01——
Current ratio8.727.564.946.6815.59
Quick ratio7.846.283.284.4014.36
Interest coverage————-4.4
Working capital$148.1M$77.2M$50.9M$84.0M$88.7M
Invested capital$22.9M$25.7M$32.8M$63.1M$27.2M
Tangible asset value$150.9M$74.0M$53.6M$88.3M$90.7M
Net current asset value$145.1M$70.4M$50.6M$82.7M$87.4M
Graham net-net per share$16.55$4.24$3.25—$5.12
Capital allocation
Capex / revenue10.3%4.9%4.6%5.1%9.0%
Capex / depreciation1.030.600.391.772.39
Stock-based compensation / revenue9.4%6.8%4.0%1.4%1.4%
R&D / revenue46.5%48.9%67.2%39.7%54.5%
SG&A / revenue45.7%36.5%40.8%21.0%27.5%
Efficiency
Days sales outstanding44.554.491.863.578.7
Days of inventory on hand124.5128.6218.4124.692.3
Days payables outstanding44.918.853.342.034.9
Cash conversion cycle (days)124.2164.2256.9146.1136.1
Receivables turnover8.206.713.985.744.64
Payables turnover8.1419.386.858.6910.44
Inventory turnover2.932.841.672.933.95
Asset turnover0.500.860.740.890.51
Average receivables$8.8M$11.3M$16.5M$15.8M$11.0M
Average payables$5.8M$2.7M$6.7M$6.9M$2.8M
Average inventory$16.0M$18.2M$27.6M$20.6M$7.4M
Intangibles / total assets6.3%11.2%7.7%0.7%1.6%

Computed from AMBQ's annual financial statements (latest annual report filed March 5, 2026) and the closing share price on each fiscal year-end, adjusted for stock splits. Figures in U.S. dollars; data from EODHD. Averages use the opening and closing balance of each year.

AMBQ valuation and financial ratios

Ambiq Micro earned a return on equity of −29.4% and a return on invested capital of −133.8% in fiscal 2025. It ended the year with $0.7 million of debt and $140.3 million in cash and short-term investments, a net cash position of $139.6 million. The share count fell 41.4% from 13.6M to 8.0M over 4 years.

See the AMBQ income statement, the AMBQ chart for price history, or the AMBQ stock overview for the latest quote and news.

AMBQ key metrics FAQ

What is Ambiq Micro's return on equity?

Ambiq Micro's return on equity (ROE) was −29.4% in fiscal 2025: net income of -$36.5 million on average shareholders' equity of $124.1 million.

What is Ambiq Micro's ROIC?

Ambiq Micro's return on invested capital was −133.8% in fiscal 2025, using after-tax operating income divided by average debt plus equity minus cash.

How much debt does Ambiq Micro have?

Ambiq Micro had total debt of $0.7 million at the end of fiscal 2025, a debt-to-equity ratio of 0.00 and more cash than debt.

What is Ambiq Micro's free cash flow yield?

Ambiq Micro generated -$27.1 million of free cash flow in fiscal 2025, a free cash flow yield of −11.9% on its market value at year-end ($227.4 million).

What is Ambiq Micro's current ratio?

Ambiq Micro's current ratio was 8.72 at the end of fiscal 2025: current assets were 8.72 times current liabilities.

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