Comprehensive Stock Comparison
Compare Blaize Holdings, Inc. (BZAI) vs Ambiq Micro, Inc. (AMBQ) Stock
Analyze side-by-side fundamentals, valuation, growth, and profitability to decide which stock is the better buy.
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Quick Verdict
| Category | Winner | Why |
|---|---|---|
| Growth | AMBQ | 16.1% revenue growth vs BZAI's -59.7% |
| Quality / Margins | AMBQ | -52.1% net margin vs BZAI's -11.5% |
| Stability / Safety | BZAI | Beta 1.19 vs AMBQ's 2.81 |
| Dividends | Tie | Neither pays a meaningful dividend |
| Momentum (1Y) | AMBQ | -20.3% vs BZAI's -61.4% |
| Efficiency (ROA) | AMBQ | -44.9% ROA vs BZAI's -251.6%, ROIC -104.0% vs -91.5% |
Who Each Stock Is For
Income & stability
Growth exposure
Long-term compounding (10Y)
Sleep-well-at-night portfolio
Defensive / Recession hedge
Business Model
What each company does and how it makes money
Blaize Holdings is an AI edge computing company that provides specialized hardware accelerators and development tools for running artificial intelligence applications at the network edge. It generates revenue primarily through sales of its AI accelerator products—including embedded systems, PCIe cards, and small form factor modules—alongside its AI Studio software platform and marketplace. The company's competitive advantage lies in its proprietary graph streaming processor architecture optimized for edge AI workloads, which offers power efficiency and real-time processing capabilities that differentiate it from general-purpose GPU solutions.
Ambiq Micro designs ultra-low-power semiconductor chips for battery-powered IoT and wearable devices. It generates revenue primarily from selling its Apollo system-on-chip and Atomiq AI accelerator products — with technical support services as a secondary stream — through a global sales representative network. The company's key advantage is its proprietary subthreshold power-optimized technology that enables significantly longer battery life than conventional chips, creating a strong moat in power-sensitive edge AI applications.
Financial Metrics Comparison
Side-by-side fundamentals across 2 stocks. BestLagging
Financial Scorecard
AMBQ leads in 4 of 6 categories — strongest in Financial Metrics and Valuation Metrics. 1 category is tied.
Financial Metrics (TTM)
AMBQ is the larger business by revenue, generating $76M annually — 5.7x BZAI's $13M. Profitability is closely matched — net margins range from -52.1% (AMBQ) to -11.5% (BZAI).
| Metric | BZAIBlaize Holdings, … | AMBQAmbiq Micro, Inc. |
|---|---|---|
| RevenueTrailing 12 months | $13M | $76M |
| EBITDAEarnings before interest/tax | -$33M | — |
| Net IncomeAfter-tax profit | -$153M | — |
| Free Cash FlowCash after capex | -$58M | — |
| Gross MarginGross profit ÷ Revenue | +12.9% | +31.9% |
| Operating MarginEBIT ÷ Revenue | -4.3% | -53.4% |
| Net MarginNet income ÷ Revenue | -11.5% | -52.1% |
| FCF MarginFCF ÷ Revenue | -4.4% | -33.1% |
| Rev. Growth (YoY)Latest quarter vs prior year | +14.2% | — |
| EPS Growth (YoY)Latest quarter vs prior year | 0.0% | — |
Valuation Metrics
| Metric | BZAIBlaize Holdings, … | AMBQAmbiq Micro, Inc. |
|---|---|---|
| Market CapShares × price | $144M | $560M |
| Enterprise ValueMkt cap + debt − cash | $146M | $500M |
| Trailing P/EPrice ÷ TTM EPS | -29.14x | -9.81x |
| Forward P/EPrice ÷ next-FY EPS est. | — | — |
| PEG RatioP/E ÷ EPS growth rate | — | — |
| EV / EBITDAEnterprise value multiple | — | — |
| Price / SalesMarket cap ÷ Revenue | 92.67x | 7.36x |
| Price / BookPrice ÷ Book value/share | 4.95x | 4.87x |
| Price / FCFMarket cap ÷ FCF | — | — |
Profitability & Efficiency
AMBQ delivers a -54.7% return on equity — every $100 of shareholder capital generates $-55 in annual profit, vs $-117 for BZAI. AMBQ carries lower financial leverage with a 0.01x debt-to-equity ratio, signaling a more conservative balance sheet compared to BZAI's 0.06x. On the Piotroski fundamental quality scale (0–9), AMBQ scores 5/9 vs BZAI's 4/9, reflecting solid financial health.
| Metric | BZAIBlaize Holdings, … | AMBQAmbiq Micro, Inc. |
|---|---|---|
| ROE (TTM)Return on equity | -117.3% | -54.7% |
| ROA (TTM)Return on assets | -2.5% | -44.9% |
| ROICReturn on invested capital | -91.5% | -104.0% |
| ROCEReturn on capital employed | -126.2% | -53.4% |
| Piotroski ScoreFundamental quality 0–9 | 4 | 5 |
| Debt / EquityFinancial leverage | 0.06x | 0.01x |
| Net DebtTotal debt minus cash | $1M | -$60M |
| Cash & Equiv.Liquid assets | $1,506 | $61M |
| Total DebtShort + long-term debt | $2M | $966,000 |
| Interest CoverageEBIT ÷ Interest expense | — | — |
Total Returns (with DRIP)
A $10,000 investment in AMBQ five years ago would be worth $7,968 today (with dividends reinvested), compared to $787 for BZAI. Over the past 12 months, AMBQ leads with a -20.3% total return vs BZAI's -61.4%. The 3-year compound annual growth rate (CAGR) favors AMBQ at -7.3% vs BZAI's -57.2% — a key indicator of consistent wealth creation.
| Metric | BZAIBlaize Holdings, … | AMBQAmbiq Micro, Inc. |
|---|---|---|
| YTD ReturnYear-to-date | -43.0% | +1.2% |
| 1-Year ReturnPast 12 months | -61.4% | -20.3% |
| 3-Year ReturnCumulative with dividends | -92.1% | -20.3% |
| 5-Year ReturnCumulative with dividends | -92.1% | -20.3% |
| 10-Year ReturnCumulative with dividends | -92.1% | -20.3% |
| CAGR (3Y)Annualised 3-year return | -57.2% | -7.3% |
Risk & Volatility
BZAI is the less volatile stock with a 1.19 beta — it tends to amplify market swings less than AMBQ's 2.81 beta. A beta below 1.0 means the stock typically moves less than the S&P 500. AMBQ currently trades 59.3% from its 52-week high vs BZAI's 17.5% drawdown — a narrower gap to the peak suggests stronger recent price momentum.
| Metric | BZAIBlaize Holdings, … | AMBQAmbiq Micro, Inc. |
|---|---|---|
| Beta (5Y)Sensitivity to S&P 500 | 1.19x | 2.81x |
| 52-Week HighHighest price in past year | $6.76 | $51.76 |
| 52-Week LowLowest price in past year | $1.08 | $22.12 |
| % of 52W HighCurrent price vs 52-week peak | +17.5% | +59.3% |
| RSI (14)Momentum oscillator 0–100 | 38.7 | 59.4 |
| Avg Volume (50D)Average daily shares traded | 2.4M | 237K |
Analyst Outlook
Wall Street rates BZAI as "Buy" and AMBQ as "Hold".
| Metric | BZAIBlaize Holdings, … | AMBQAmbiq Micro, Inc. |
|---|---|---|
| Analyst RatingConsensus buy/hold/sell | Buy | Hold |
| Price TargetConsensus 12-month target | — | $32.00 |
| # AnalystsCovering analysts | 1 | 1 |
| Dividend YieldAnnual dividend ÷ price | — | — |
| Dividend StreakConsecutive years of raises | — | — |
| Dividend / ShareAnnual DPS | — | — |
| Buyback YieldShare repurchases ÷ mkt cap | 0.0% | 0.0% |
Historical Charts
Charts are rendered on first load. Hover for details.
Chart 1Revenue Growth — 10 Years
| Stock | 2020 | 2024 | Change |
|---|---|---|---|
| Blaize Holdings, In… (BZAI) | $0.00 | $2M | — |
| Ambiq Micro, Inc. (AMBQ) | $51M | $76M | +49.2% |
Ambiq Micro, Inc.'s revenue grew from $51M (2020) to $76M (2024) — a 10.5% CAGR.
Chart 2Net Margin Trend — 10 Years
| Stock | 2020 | 2024 | Change |
|---|---|---|---|
| Blaize Holdings, In… (BZAI) | -27.2% | -39.4% | -44.6% |
| Ambiq Micro, Inc. (AMBQ) | -49.5% | -52.1% | -5.4% |
Ambiq Micro, Inc.'s net margin went from -49% (2020) to -52% (2024).
Chart 3EPS Growth — 10 Years
| Stock | 2020 | 2024 | Change |
|---|---|---|---|
| Blaize Holdings, In… (BZAI) | -0 | -0.04 | -20150.0% |
| Ambiq Micro, Inc. (AMBQ) | -1.85 | -3.13 | -69.2% |
Ambiq Micro, Inc.'s EPS grew from $-1.85 (2020) to $-3.13 (2024).
Chart 4Free Cash Flow — 5 Years
Blaize Holdings, Inc. generated $-54M FCF in 2024 (-54387% vs 2021). Ambiq Micro, Inc. generated $-25M FCF in 2024 (+56% vs 2021).
BZAI vs AMBQ: Frequently Asked Questions
7 questions · data-driven answers · updated daily
01Is BZAI or AMBQ a better buy right now?
Analysts rate Blaize Holdings, Inc. (BZAI) a "Buy" — based on 1 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.
02Which is the better long-term investment — BZAI or AMBQ?
Over the past 5 years, Ambiq Micro, Inc. (AMBQ) delivered a total return of -20.3%, compared to -92.1% for Blaize Holdings, Inc. (BZAI). A $10,000 investment in AMBQ five years ago would be worth approximately $8K today (assuming dividends reinvested). Over 10 years, the gap is even starker: AMBQ returned -20.3% versus BZAI's -92.1%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.
03Which is safer — BZAI or AMBQ?
By beta (market sensitivity over 5 years), Blaize Holdings, Inc. (BZAI) is the lower-risk stock at 1.19β versus Ambiq Micro, Inc.'s 2.81β — meaning AMBQ is approximately 137% more volatile than BZAI relative to the S&P 500. On balance sheet safety, Ambiq Micro, Inc. (AMBQ) carries a lower debt/equity ratio of 1% versus 6% for Blaize Holdings, Inc. — giving it more financial flexibility in a downturn.
04Which has better profit margins — BZAI or AMBQ?
Ambiq Micro, Inc. (AMBQ) is the more profitable company, earning -52.1% net margin versus -39.4% for Blaize Holdings, Inc. — meaning it keeps -52.1% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: AMBQ leads at -53.4% versus -30.7% for BZAI. At the gross margin level — before operating expenses — BZAI leads at 62.7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.
05Which pays a better dividend — BZAI or AMBQ?
None of the stocks in this comparison currently pay a material dividend. All are effectively zero-yield and should be held for capital appreciation rather than income.
06Is BZAI or AMBQ better for a retirement portfolio?
For long-horizon retirement investors, Blaize Holdings, Inc. (BZAI) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 1.19)). Ambiq Micro, Inc. (AMBQ) carries a higher beta of 2.81 — meaning larger drawdowns in market downturns, which matters significantly when you cannot wait years for a recovery. Both have compounded well over 10 years (BZAI: -92.1%, AMBQ: -20.3%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.
07What are the main differences between BZAI and AMBQ?
Both stocks operate in the Technology sector, making this a peer-level intra-sector comparison — the same macro tailwinds and headwinds will affect both. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.
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