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§ Public · Austin, TX, USA
Fabless semiconductor company designing ultra-low-power MCUs and SoCs to extend battery life in IoT and wearable devices.
Based in Austin, Texas, Ambiq Micro is a fabless semiconductor company that develops ultra-low-power microcontrollers and system-on-chips for connected battery-operated devices. The publicly traded firm utilizes proprietary subthreshold power technology to extend battery life and enable complex artificial intelligence workloads on edge devices. Prior to its initial public offering on the New York Stock Exchange, the enterprise reached a $1 billion valuation after securing over $700 million in total capital. Backed by prominent investors including Kleiner Perkins and ARM Holdings, the company employs a workforce of approximately 300 people and has shipped more than 230 million chips globally. Its energy-efficient hardware components are integrated into consumer electronics, medical sensors, and wearable products manufactured by major brands such as Fitbit, Garmin, and Whoop. Ambiq Micro was founded in 2010 by Scott Hanson, David Blaauw, and Dennis Sylvester.
Ambiq Micro has raised $81.3M across 8 funding rounds.
Ambiq Micro has raised $81.3M in total across 8 funding rounds.
Ambiq Micro has raised $81.3M in total across 8 funding rounds.
Ambiq Micro's investors include Samsung Ventures, Mercury Fund, Wen H. Hsieh, Ph.D., Arm, Austin Ventures, Clark Jernigan, Huron River Ventures, DFJ Mercury.
Ambiq Micro has raised $81.3M across 8 funding rounds. Most recently, it raised $28.0M Series E in November 2018.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Nov 1, 2018 | $28M Series E | — | Samsung Ventures | Announced |
| Jun 1, 2018 | $11M Series U | — | Mercury Fund | Announced |
| Jul 1, 2016 | $10M Series C | — | Mercury Fund | Announced |
| Nov 1, 2014 | $16M Series C | WEN H. Hsieh, Ph.D. | Samsung Ventures, ARM, Austin Ventures, Mercury Fund | Announced |
| Aug 1, 2013 | $10M Series B | Clark Jernigan | Samsung Ventures, ARM, Huron River Ventures, Mercury Fund | Announced |
| Nov 1, 2012 | $4M Series B | — | — | Announced |
| Nov 1, 2010 | $2M Seed | DFJ Mercury | — | Announced |
| Jun 1, 2010 | $250K Seed | — | Samsung Ventures | Announced |
Ambiq Micro is a semiconductor company specializing in ultra-low power SoCs and MCUs for battery-powered edge AI devices, enabling intelligence everywhere through its patented Sub-threshold Power Optimized Technology (SPOT) platform.[1][2][4][6] It serves wearable manufacturers, medical devices, smart glasses, and IoT applications—powering over 270 million devices as of early 2025—by solving the critical problem of energy efficiency in edge computing, where traditional chips drain batteries too quickly for AI workloads.[2][4][5] The company went public on the NYSE as AMBQ in July 2025, with strong growth including adoption by the top 5 wearable makers and recent awards like the 2025 AI Excellence Award and Embedded World AI Award.[2][4][5]
Ambiq Micro was founded in 2010 as a University of Michigan startup by Scott Hanson, emerging from his lab research on energy-efficient transistors operating in the sub-threshold voltage region for up to 5x better efficiency than commercial alternatives.[4][5] Hanson, addressing challenges like temperature sensitivity in low-voltage designs, pivoted from an ambitious microprocessor to launch its first product: an ultra-low power Real Time Clock (RTC) in 2012, which hit 1 million units sold by 2014 and enabled innovations like dynamic CVC codes on credit cards.[2][4][5] Early traction built momentum—1 million MCUs sold by 2016 after the 2015 SPOT MCU launch (10x lower power than competitors)—leading to Apollo generations from 2017 onward, 100 million units by 2020, and AI deployments like neural networks.[2][4]
Ambiq rides the edge AI wave, shifting compute from power-hungry cloud to always-on devices amid exploding demand for wearables, IoT, and ambient intelligence—perfect timing as AI models demand efficiency for real-world deployment.[1][2][5] Market forces like battery constraints in smartphones, vehicles, and medical tech favor its 10x+ power advantages, enabling greener ecosystems with longer device life and reduced e-waste.[2][6] As a public company (AMBQ), it influences by partnering with leaders like TSMC, accelerating adoption in top wearables and earning AI/hardware awards, thus democratizing edge intelligence.[2][4][5]
Ambiq is primed for expansion in edge AI semiconductors, leveraging SPOT evolution and Apollo advancements to capture more of the battery-powered IoT market beyond wearables into industrial and automotive.[1][5][6] Trends like AI model proliferation and sustainability mandates will amplify its moat, with potential for higher-volume shipments post-270M milestone and public funding fueling R&D.[2][4] Its influence may grow as the enabler of "intelligence everywhere," transforming passive devices into smart, efficient nodes—echoing its mission to foster a cleaner, greener world through ambient tech.[1][2]