Ambiq Micro (AMBQ)
Market Price (12/25/2025): $30.82 | Market Cap: $384.1 MilSector: Information Technology | Industry: Semiconductors
Ambiq Micro (AMBQ)
Market Price (12/25/2025): $30.82Market Cap: $384.1 MilSector: Information TechnologyIndustry: Semiconductors
Investment Highlights Why It Matters Detailed financial logic regarding cash flow yields vs trend-riding momentum.
| Cash is significant % of market capNet D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is -38% | Not profitable at operating income levelOp Inc LTMOperating Income, Last Twelve Months is -38 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -53% |
| Megatrend and thematic driversMegatrends include Artificial Intelligence, and Digital Health & Telemedicine. Themes include Edge AI, Wearable Health Devices, Show more. | Weak revenue growthRev Chg QQuarterly Revenue Change % is -10% |
| Not cash flow generativeCFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -21%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -30% | |
| Yield minus risk free rate is negativeERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -14% | |
| Key risksAMBQ key risks include [1] slowing revenue growth and persistent operating losses, Show more. |
| Cash is significant % of market capNet D/ENet Debt/Equity. Debt net of cash. Negative indicates net cash. Equity is taken as the Market Capitalization is -38% |
| Megatrend and thematic driversMegatrends include Artificial Intelligence, and Digital Health & Telemedicine. Themes include Edge AI, Wearable Health Devices, Show more. |
| Not profitable at operating income levelOp Inc LTMOperating Income, Last Twelve Months is -38 Mil, Op Mgn LTMOperating Margin = Operating Income / Revenue Reflects profitability before taxes and before impact of capital structure (interest payments). is -53% |
| Weak revenue growthRev Chg QQuarterly Revenue Change % is -10% |
| Not cash flow generativeCFO/Rev LTMCash Flow from Operations / Revenue (Sales), Last Twelve Months (LTM) is -21%, FCF/Rev LTMFree Cash Flow / Revenue (Sales), Last Twelve Months (LTM) is -30% |
| Yield minus risk free rate is negativeERPEquity Risk Premium (ERP) = Total Yield - Risk Free Rate, Reflects the premium above risk free assets offered by the investment. is -14% |
| Key risksAMBQ key risks include [1] slowing revenue growth and persistent operating losses, Show more. |
Why The Stock Moved
Qualitative Assessment
AI Analysis | Feedback
1. Q2 2025 Net Loss. Ambiq Micro reported a net loss of $8.5 million for the second quarter of 2025, with these results being disclosed around September 4, 2025. This financial performance likely contributed to a negative sentiment among investors.2. Revenue Decline in Q3 2025. The company's third-quarter 2025 financial results, announced on November 6, 2025, revealed a 10.4% decline in net sales, even though non-GAAP gross profit increased. This revenue contraction may have raised concerns about the company's growth trajectory among investors.
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Stock Movement Drivers
Fundamental Drivers
The 1.4% change in AMBQ stock from 9/25/2025 to 12/25/2025 was primarily driven by a 0.0% change in the company's P/E Multiple.| 9252025 | 12252025 | Change | |
|---|---|---|---|
| Stock Price ($) | 30.38 | 30.82 | 1.45% |
| Change Contribution By | LTM | LTM | |
| Total Revenues ($ Mil) | � | � | � |
| Net Income Margin (%) | � | � | � |
| P/E Multiple | � | � | � |
| Shares Outstanding (Mil) | 13.61 | 13.61 | 0.00% |
| Cumulative Contribution | � |
Market Drivers
9/25/2025 to 12/25/2025| Return | Correlation | |
|---|---|---|
| AMBQ | 1.5% | |
| Market (SPY) | 4.9% | 57.7% |
| Sector (XLK) | 5.3% | 56.8% |
Fundamental Drivers
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Market Drivers
6/26/2025 to 12/25/2025| Return | Correlation | |
|---|---|---|
| AMBQ | ||
| Market (SPY) | 13.1% | 45.6% |
| Sector (XLK) | 16.7% | 40.0% |
Fundamental Drivers
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Market Drivers
12/25/2024 to 12/25/2025| Return | Correlation | |
|---|---|---|
| AMBQ | ||
| Market (SPY) | 15.8% | 45.6% |
| Sector (XLK) | 22.2% | 40.0% |
Fundamental Drivers
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Market Drivers
12/26/2023 to 12/25/2025| Return | Correlation | |
|---|---|---|
| AMBQ | ||
| Market (SPY) | 48.3% | 45.6% |
| Sector (XLK) | 53.5% | 40.0% |
Price Returns Compared
| 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | Total [1] | |
|---|---|---|---|---|---|---|---|
| Returns | |||||||
| AMBQ Return | � | � | � | � | � | � | � |
| Peers Return | 34% | 29% | -26% | 14% | 1% | 1% | 48% |
| S&P 500 Return | 16% | 27% | -19% | 24% | 23% | 18% | 115% |
Monthly Win Rates [3] | |||||||
| AMBQ Win Rate | � | � | � | � | � | 40% | |
| Peers Win Rate | 65% | 58% | 32% | 55% | 42% | 50% | |
| S&P 500 Win Rate | 58% | 75% | 42% | 67% | 75% | 73% | |
Max Drawdowns [4] | |||||||
| AMBQ Max Drawdown | � | � | � | � | � | � | |
| Peers Max Drawdown | -37% | -4% | -37% | -17% | -23% | -31% | |
| S&P 500 Max Drawdown | -31% | -1% | -25% | -1% | -2% | -15% | |
[1] Cumulative total returns since the beginning of 2020
[2] Peers: SLAB, NXPI, MCHP, TXN, CEVA.
[3] Win Rate = % of calendar months in which monthly returns were positive
[4] Max drawdown represents maximum peak-to-trough decline within a year
[5] 2025 data is for the year up to 12/24/2025 (YTD)
How Low Can It Go
AMBQ has limited trading history. Below is the Information Technology sector ETF (XLK) in its place.
| Event | XLK | S&P 500 |
|---|---|---|
| 2022 Inflation Shock | ||
| % Loss | -34.0% | -25.4% |
| % Gain to Breakeven | 51.6% | 34.1% |
| Time to Breakeven | 278 days | 464 days |
| 2020 Covid Pandemic | ||
| % Loss | -31.5% | -33.9% |
| % Gain to Breakeven | 46.0% | 51.3% |
| Time to Breakeven | 79 days | 148 days |
| 2018 Correction | ||
| % Loss | -24.1% | -19.8% |
| % Gain to Breakeven | 31.8% | 24.7% |
| Time to Breakeven | 105 days | 120 days |
| 2008 Global Financial Crisis | ||
| % Loss | -53.6% | -56.8% |
| % Gain to Breakeven | 115.3% | 131.3% |
| Time to Breakeven | 1,183 days | 1,480 days |
Compare to
In The Past
SPDR Select Sector Fund's stock fell -34.0% during the 2022 Inflation Shock from a high on 12/27/2021. A -34.0% loss requires a 51.6% gain to breakeven.
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AI Analysis | Feedback
Here are 1-2 brief analogies for Ambiq Micro (AMBQ):
- STMicroelectronics (STM) but hyper-focused on extreme power efficiency for IoT and wearables.
- NXP Semiconductors (NXPI) for devices that need to run for a very long time on a tiny battery.
AI Analysis | Feedback
- Apollo Microcontrollers (MCUs): These are energy-efficient, general-purpose microcontrollers designed for a wide range of battery-powered embedded applications requiring very low power consumption.
- Apollo System-on-Chips (SoCs) with AI/ML Capabilities: These integrated circuits combine ultra-low power processing with dedicated hardware accelerators for efficient on-device artificial intelligence and machine learning inference at the edge.
AI Analysis | Feedback
Ambiq Micro (Symbol: AMBQ) - Major Customers
Ambiq Micro is a fabless semiconductor company that designs ultra-low power System-on-Chips (SoCs) and Real-Time Clocks (RTCs). As such, it sells primarily to other companies (B2B) that integrate these semiconductor components into their end products. While Ambiq Micro's public filings, such as its annual 10-K report, indicate a significant concentration of revenue from a small number of customers (for example, its largest customer accounted for 16% of its revenue in 2023), **Ambiq Micro does not publicly disclose the specific names of these major customers** due to competitive reasons. However, based on the applications of their products, Ambiq's customers are typically Original Equipment Manufacturers (OEMs) and Original Design Manufacturers (ODMs) that produce devices in the following categories: * Wearable Device Manufacturers: Companies that produce smartwatches, fitness trackers, hearables (e.g., wireless earbuds), and other personal health monitoring devices that require extremely low power consumption to extend battery life. * Internet of Things (IoT) Device Manufacturers: Companies developing a wide range of connected devices, including smart home sensors, asset tracking devices, medical monitoring equipment, and industrial IoT sensors, all benefiting from Ambiq's energy-efficient solutions. * Embedded System Manufacturers: Manufacturers of various other low-power embedded applications, such as remote controls, voice-activated devices, and other battery-powered electronics where efficiency is critical.AI Analysis | Feedback
- Taiwan Semiconductor Manufacturing Company Limited (TSM)
- GlobalFoundries Inc. (GFS)
- ASE Technology Holding Co., Ltd. (ASX)
AI Analysis | Feedback
Fumihide Esaka, Chief Executive Officer and Director
Fumihide Esaka has over 20 years of senior management experience in the semiconductor industry. He joined International Rectifier as a Vice President in 1995 after spending six years as a manager at the consultancy firm Accenture. Prior to joining Ambiq Micro in December 2015, he held CEO roles at Nihon Inter Electronics Corp. and Transphorm Inc. As CEO, he has contributed to raising over $700 million in capital and leading companies to a $1 billion valuation.
Jeffrey Winzeler, Chief Financial Officer
Jeffrey Winzeler brings over 20 years of experience as a CFO and COO in the semiconductor and renewable energy industries. He has successfully led global finance teams at both private and public startups, including Kandou AI, Everspin Technologies, Avnera, Rackwise, Solar Power Incorporated, and International DisplayWorks. He was appointed Ambiq's Chief Financial Officer in June 2025 and has raised over $1 billion in equity and debt financing throughout his career.
Scott Hanson, Founder, Chief Technology Officer
Scott Hanson co-founded Ambiq Micro in 2010 with Dennis Sylvester and David Blaauw, stemming from research conducted at the University of Michigan. He is an expert in ultra-low energy and variation-tolerant circuits and played a key role in developing Ambiq Micro's proprietary Subthreshold Power Optimized Technology (SPOT) Platform. He holds a Ph.D. in Electrical Engineering from the University of Michigan and has more than 30 publications and 7 patent filings.
Sean Chen, President and Chief Operating Officer
Sean Chen possesses over 20 years of experience in the semiconductor industry. His background includes serving as Vice President of Marketing and Business Development at mCube, as well as holding various management positions at several startups, Nagevtech, Intel, IDT, and TSMC.
Charlene Wan, Vice President of Corporate Marketing & Investor Relations
Charlene Wan is an experienced marketing and communications executive with a successful track record in the technology industry globally. She is skilled in branding, go-to-market strategy, media relations, executive communications, and social media. She was recognized as Woman of the Year in the 2022 BIG Awards for Business, and her department received the Public Relations Department of the Year award in 2022.
AI Analysis | Feedback
Key Risks to Ambiq Micro (AMBQ) Business:
- Slowing Revenue Growth and Persistent Operating Losses: Ambiq Micro has experienced a slowdown in revenue growth, despite operating in a rapidly expanding ultra-low-power semiconductor market. The company also faces significant operating losses and negative free cash flow, with deteriorating efficiency metrics in recent quarters. This raises concerns about its long-term financial trajectory and profitability.
- Intense Competition and Supply Chain/Customer Concentration Risks: The company operates in a highly competitive semiconductor sector, facing larger, well-funded rivals such as Infineon, Microchip, NXP, Renesas, Silicon Laboratories, STMicroelectronics, and Texas Instruments. Furthermore, Ambiq Micro exhibits customer and supplier concentration, including a reliance on a single foundry partner, Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC), which exposes it to potential supply chain disruptions and geopolitical risks. Declining sales in China have also been noted.
- Reliance on "AI Hype" and Cyclical Semiconductor Market: Ambiq Micro's valuation has been influenced by "AI hype" and market momentum, with some analysts suggesting it is more an energy-efficient chipmaker than a genuine AI play. This creates a risk that if market perception shifts, or if the anticipated demand for AI at the edge does not materialize directly into increased adoption of Ambiq's specific solutions, its valuation could be negatively impacted. Additionally, the semiconductor sector is inherently cyclical, and macroeconomic headwinds could dampen overall demand.
AI Analysis | Feedback
The rapid acceleration and investment by larger, established semiconductor companies (e.g., Nordic Semiconductor, STMicroelectronics, NXP) into ultra-low power microcontrollers and SoCs specifically optimized for artificial intelligence and machine learning at the extreme edge. These companies are leveraging their substantial resources, existing market channels, and broad customer relationships to develop highly competitive solutions that directly target Ambiq's core differentiation in energy efficiency for endpoint AI, potentially eroding Ambiq's early-mover advantage and market share.
AI Analysis | Feedback
Ambiq Micro (NASDAQ: AMBQ) operates in several key addressable markets with its ultra-low-power microcontrollers (MCUs) and systems-on-chip (SoCs) for edge AI applications, as well as real-time clocks (RTCs).
- Edge AI Semiconductor Market: The global edge AI semiconductor market was valued at $3.67 billion in 2025 and is projected to grow to $9.75 billion by 2030, at a Compound Annual Growth Rate (CAGR) of 21.59%. Another estimate places the global edge AI market at $12.5 billion in 2024, with a projected CAGR of 24.8% between 2025 and 2034. North America held the largest share of the edge AI market in 2024, with the U.S. alone projected to reach approximately $20 billion by 2034.
- Ultra-Low-Power (ULP) Microcontroller Market: The global ultra-low-power microcontroller market is projected to reach $15.27 billion in 2030 from $9.78 billion in 2025, growing at a CAGR of 9.3%. Another source indicates the global Ultra-Low-Power Microcontroller (MCU) Market was valued at USD 4.88 billion in 2024 and is projected to reach USD 10.11 billion by 2032, growing at a CAGR of 9.90% from 2025 to 2032. Asia-Pacific is the dominant region in this market, with North America showing the fastest growth.
- Real-Time Clocks (RTCs) Market: The global Real-Time Clocks (RTCs) Market was valued at USD 4.3 billion in 2023 and is expected to grow to USD 6.73 billion by 2032, exhibiting a CAGR of 5.1% from 2025 to 2032. Another valuation for the global Real-time Clock (RTC) Chips and Modules market is $2.5 billion in 2024, projected to exceed $3.5 billion by 2029, with a CAGR of around 7%. The Asia Pacific region holds the highest market share for RTC ICs.
- Ambiq Micro's Core End Markets: Ambiq Micro's management estimates that their core end markets, including personal devices, healthcare, industrials, and smart buildings and homes, will collectively form a $22.5 billion addressable market by 2028 globally. These markets had a combined total of $12.8 billion as of 2023.
AI Analysis | Feedback
Here are 3-5 expected drivers of future revenue growth for Ambiq Micro (AMBQ) over the next 2-3 years:
- Expansion in Edge AI Market and New Product Platforms: Ambiq Micro is strategically focused on expanding its presence in the rapidly growing edge AI market. The company anticipates significant revenue contributions from its new product platforms, including the Apollo 5, which is expected to be central to future growth, and the upcoming Atomic platform, slated for significant impact by 2028. Ambiq is developing purpose-built solutions across various sectors like healthcare, industrial, and smart spaces to capture these opportunities.
- Shift to Higher-Value Markets and Customer Diversification: The company is undergoing a deliberate strategic shift, moving away from lower-margin customers in mainland China towards higher-value markets and customers, particularly in North America and Europe. This repositioning, while contributing to some short-term revenue decline, is expected to result in higher average selling prices (ASPs), a more favorable product mix, and expanded gross margins, ultimately supporting revenue growth from 2026 onwards.
- Increased Customer Demand and New Design Wins: Ambiq Micro's management has highlighted accelerating growth driven by increased orders from existing customers and securing multiple design wins with new customers. This indicates a growing adoption of their ultra-low-power solutions and a successful market penetration strategy outside of mainland China. A notable example is a major design win with Whoop for their latest fitness tracker product line.
- Investment in Research & Development and Product Roadmap: The company is committed to scaling its R&D and go-to-market capabilities to capitalize on edge AI opportunities. Ambiq views continued investment in technical innovation and its product development roadmap as a top strategic priority, which includes expanding its Apollo family and introducing new product lines like Atomic. This ongoing investment is crucial for introducing advanced solutions and maintaining a competitive edge in the evolving edge AI semiconductor landscape.
AI Analysis | Feedback
Share Issuance
- Ambiq Micro completed its Initial Public Offering (IPO) on July 31, 2025, issuing 4,600,000 shares of common stock, including the full exercise of the underwriters' option to purchase additional shares.
- The gross proceeds to Ambiq Micro from the IPO were $110.4 million. Net cash proceeds were reported as $99.843 million in Q3 2025.
- A 1-for-28 reverse stock split occurred on July 18, 2025, and 12,729,240 preferred shares converted to common shares prior to the IPO.
Inbound Investments
- The company's IPO on July 31, 2025, generated $99.843 million in net cash proceeds, significantly bolstering its liquidity with cash and cash equivalents rising to $146.5 million as of September 30, 2025.
Capital Expenditures
- Capital expenditures amounted to -$899,000 in the last 12 months.
- For the six months ended June 30, 2025, capital expenditures were $0.5 million.
- Investing activities for the six months ended June 30, 2025, included $2.7 million for technology investments in intangible assets.
Trade Ideas
Select ideas related to AMBQ. For more, see Trefis Trade Ideas.
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| 11212025 | CRM | Salesforce | Dip Buy | DB | FCFY OPMDip Buy with High FCF Yield and High MarginBuying dips for companies with high FCF yield and meaningfully high operating margin | 17.0% | 17.0% | -0.1% |
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Research & Analysis
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Peer Comparisons for Ambiq Micro
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Financials
| Median | |
|---|---|
| Name | |
| Mkt Price | 100.06 |
| Mkt Cap | 19.9 |
| Rev LTM | 2,478 |
| Op Inc LTM | 72 |
| FCF LTM | 414 |
| FCF 3Y Avg | 1,732 |
| CFO LTM | 469 |
| CFO 3Y Avg | 2,047 |
Growth & Margins
| Median | |
|---|---|
| Name | |
| Rev Chg LTM | 5.5% |
| Rev Chg 3Y Avg | -3.9% |
| Rev Chg Q | 1.2% |
| QoQ Delta Rev Chg LTM | 0.3% |
| Op Mgn LTM | -3.2% |
| Op Mgn 3Y Avg | 21.0% |
| QoQ Delta Op Mgn LTM | -0.4% |
| CFO/Rev LTM | 16.2% |
| CFO/Rev 3Y Avg | 24.3% |
| FCF/Rev LTM | 11.0% |
| FCF/Rev 3Y Avg | 10.2% |
Earnings Returns History
Expand for More| Forward Returns | |||
|---|---|---|---|
| Earnings Date | 1D Returns | 5D Returns | 21D Returns |
| 9/4/2025 | -15.2% | -9.9% | -26.5% |
| SUMMARY STATS | |||
| # Positive | 0 | 0 | 0 |
| # Negative | 1 | 1 | 1 |
| Median Positive | |||
| Median Negative | -15.2% | -9.9% | -26.5% |
| Max Positive | |||
| Max Negative | -15.2% | -9.9% | -26.5% |
SEC Filings
Expand for More| Report Date | Filing Date | Filing |
|---|---|---|
| 9302025 | 11062025 | 10-Q 9/30/2025 |
| 6302025 | 9042025 | 10-Q 6/30/2025 |
| 12312024 | 7312025 | 424B4 12/31/2024 |
| 12312023 | 2132025 | DRS/A 12/31/2023 |
| 12312021 | 11172022 | DRS/A 12/31/2021 |
External Quote Links
| Y Finance | Barrons |
| TradingView | Morningstar |
| SeekingAlpha | ValueLine |
| Motley Fool | Robinhood |
| CNBC | Etrade |
| MarketWatch | Unusual Whales |
| YCharts | Perplexity Finance |
| FinViz |
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