Ambiq Micro
Ambiq Micro designs and sells ultra-low-power SoCs based on its patented SPOT subthreshold platform, serving OEMs building battery-powered edge AI devices in wearables, healthcare, industrial IoT, and smart home markets, with over 290 million cumulative devices shipped.
- Company typePublic
- Founded2010
- HeadquartersAustin, United States
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Ambiq Micro does
Ambiq Micro is a fabless semiconductor company that designs and sells ultra-low-power mixed-signal System-on-Chip (SoC) solutions for battery-powered edge devices. Founded in 2010 in Austin, Texas, and publicly listed on the NYSE since July 30, 2025 (ticker: AMBQ), the company has shipped over 290 million cumulative devices into wearables, hearables, healthcare monitors, smart home products, and industrial IoT endpoints.
The company's core technology is its patented SPOT (Subthreshold Power Optimized Technology) platform, which operates transistors below 1V to deliver quadratic energy-efficiency gains versus competitors operating above threshold voltage. On top of SPOT, Ambiq has built five generations of the Apollo SoC family (Apollo through Apollo510/Apollo510 Lite), the Artasie nanopower RTC product line, and the newly unveiled Atomiq NPU SoC built on TSMC's 12nm N12e FinFET process and integrating an Arm Ethos-U85 NPU for over 200 GOPS of on-device AI. The HELIA Edge AI software stack (heliaAOT ahead-of-time compiler, heliaCORE operator library, heliaRT runtime) and a suite of vertical AI Developer Kits (heartKIT, soundKIT, compressionKIT, sleepKIT) — along with the open-source neuralSPOT SDK — extend the hardware into a layered developer ecosystem.
Ambiq monetizes primarily through B2B hardware sales of Standard and Special (NCNR, custom) SoC and RTC products via direct enterprise sales, regional offices in China and Taiwan, and a global distributor network (Digikey, Mouser, Arrow, Future Electronics, Kaga FEI, etc.). Pricing is quote-based with EX-WORKS delivery, Net 30 terms, and minimum order quantities in tray or tape-and-reel. Embedded firmware licensing accompanies each chip, and evaluation revenue flows from development kits (ApolloICD, harvestKIT) and AI developer kits. FY2025 net sales reached $72.5M with Q1 2026 net sales of $25.06M (+59.3% YoY), while the company remains unprofitable (FY2025 net loss of $36.5M) and is targeting 2028 profitability coincident with Atomiq production.
Ambiq Micro firmographics
Firmographics- Name
- Ambiq Micro
- Legal name
- Ambiq Micro, Inc.
- Website
- https://ambiq.com
- Company type
- Public
- Founded year
- 2010
- Operating status
- Ipo
- Headcount range
- 101–250 employees
- Short description
- Ambiq Micro designs and sells ultra-low-power SoCs based on its patented SPOT subthreshold platform, serving OEMs building battery-powered edge AI devices in wearables, healthcare, industrial IoT, and smart home markets, with over 290 million cumulative devices shipped.
- Ownership category
- akta.pro rank
Ambiq Micro industry classification
Industry- Product category
- Ultra-Low-Power Semiconductor SoCs
- NAICS
- Semiconductor and Related Device Manufacturing (334413), Computer and Peripheral Equipment Manufacturing (33411), Bare Printed Circuit Board Manufacturing (334412)
- SIC
- Electronic Computers (3571), Printed Circuit Boards (3672)
- akta.pro primary industry
- On-Device Inference Runtimes & SDKs (mobile/embedded) (HDAAAJAB)
- akta.pro secondary industry
- System-on-Chip (SoC) Platforms (Mobile/Consumer/Embedded) (HDAHAJAC)
Keywords
Where Ambiq Micro is headquartered
LocationHeadquarters
- HQ city
- Austin
- HQ country
- United States
- HQ region
- North America
Offices4 records
Markets served
Ambiq Micro business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Supply Chain, Marketing or Sales, Operations
Revenue model
- Semiconductor SoC and RTC Hardware Sales: Primary revenue stream from sale of Standard Products (mass-produced Apollo and Atomiq SoCs, Artasie RTC chips) and Special Products (custom/modified, NCNR) to device manufacturers via direct sales and global distributors. Minimum order quantity in tray or tape-and-reel; +/-5% delivery tolerance. EX-WORKS (Incoterms 2020) delivery. Net 30 payment terms in USD.
- Development Kits and Tools (Evaluation Revenue): Revenue from evaluation boards, display kits, debugger tools, AI developer kits (heartKIT, soundKIT, compressionKIT, sleepKIT), and design tools (neuralSPOT SDK, ApolloICD, harvestKIT) used by customers for prototyping and product development. Includes special non-commercial units (samples, pre-production, evaluation).
- Licensing of Embedded Software/Firmware: Per Terms and Conditions Section 10(d), Ambiq grants a limited, nonexclusive, non-transferable license to use and distribute embedded Software only as part of the authorized Products. Sale of Products with embedded firmware constitutes a license rather than transfer of ownership. Also includes revenue from proprietary AI models and developer kits (heartKIT, etc.).
- Capital Markets / Public Equity Offerings: Capital raised via SEC-exempt securities offerings (Form D filings of $50M in 2022 and $95M in 2024), upsized IPO on NYSE on July 30, 2025 ($24/share, ticker AMBQ), January 2026 follow-on offering of 2,679,600 shares at $31.00 (~$81.7M gross), and June 2026 upsized offering of 2,000,000 shares at $78.00 (~$156M gross). Total IPO + follow-on proceeds of $179.5M.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Other | Quote-based B2B pricing - not publicly disclosed |
Go-to-market motion5 records
Distribution channels5 records
Marketing channels10 records
Ambiq Micro product offering
Product offeringCore offering
Ambiq Micro designs and sells ultra-low-power semiconductor system-on-chips (SoCs) and real-time clock (RTC) chips built on its proprietary SPOT (Subthreshold Power Optimized Technology) platform for battery-powered edge AI devices. Its Apollo SoC family, the next-generation Atomiq NPU SoC, and Artasie RTC chips are sold to device manufacturers (OEMs) across wearables, hearables, healthcare, smart home, industrial IoT, and smart cards, alongside a layered AI software stack (neuralSPOT SDK, HELIA runtimes including heliaAOT, heliaCORE, heliaRT, and AI Developer Kits such as heartKIT, soundKIT, compressionKIT, and sleepKIT).
Product overview
Ambiq Micro offers a unified ultra-low-power semiconductor platform organized as a SoC family plus integrated software stack. The hardware foundation is the proprietary SPOT (Subthreshold Power Optimized Technology) platform, on which the Apollo SoC family (Apollo through Apollo5 generation, with the newest Apollo510/Apollo510B/Apollo510 Lite, plus the Atomiq NPU SoC) is built, alongside the Artasie family of nanopower Real-Time Clocks. The portfolio extends with hardware development kits (harvestKIT for energy harvesting, ApolloICD debugger) and a layered AI software ecosystem: the open-source neuralSPOT SDK, the HELIA Edge AI runtimes (heliaCORE, heliaRT, and the heliaAOT ahead-of-time compiler that converts TensorFlow Lite models into embedded C), and a set of vertical AI Developer Kits (heartKIT, soundKIT, compressionKIT, sleepKIT). Complementary technology modules (turboSPOT, secureSPOT, neuralSPOT, blueSPOT, graphiqSPOT) extend the SPOT platform with performance, security, AI, wireless, and graphics capabilities, together enabling always-on edge AI on battery-powered wearables, hearables, healthcare, smart home, and industrial devices.
Differentiator
Problem solved
Functional benefit
Brands
- Apollo: Family of ultra-low-power System-on-Chip (SoC) products spanning Apollo2 through Apollo510 generations, with variants such as Apollo4, Apollo4 Plus, Apollo4 Blue, Apollo4 Lite, Apollo3, Apollo3 Blue, and Apollo510 Lite.
- Atomiq
- Artasie
- SPOT
- neuralSPOT
- compressionKIT
- soundKIT
- heartKIT
- heliaAOT
- heliaCORE
- heliaRT
Products and services
- Atomiq SoC Atomiq is Ambiq's ultra-low-power Neural Processing Unit SoC built on the SPOT platform. It integrates an Arm Ethos-U85 NPU delivering over 200 GOPS of on-device AI performance for always-on edge AI workloads, built on TSMC's 12nm N12e FinFET process with operating voltage as low as 300mV.
- Apollo510 Lite SoC Series Apollo510 Lite SoC Series targets always-on edge AI devices with improved AI performance and energy efficiency and dual-mode Bluetooth connectivity.
- Apollo510 SoC Flagship Apollo SoC (5th generation) built on Arm Cortex-M55 with Helium extensions, delivering industry-leading energy efficiency for always-on AI workloads. Won the Embedded World 2024 Best Hardware Award.
- Apollo510B SoC Companion variant of the Apollo510 family, supported by neuralSPOT SDK V1.2.0 Beta with HeliaRT integration for up to 3x faster AI inference versus LiteRT.
- Apollo4 Blue Plus SoC Apollo4 generation SoC with Bluetooth Low Energy, deployed in customer devices including Xiaomi Redmi Watch 3 and OPPO Watch 3.
- Apollo4 Plus SoC Apollo4 generation SoC with integrated GPU and high-performance display driver, enabling advanced UI/UX for wearables and smart devices. Adopted by top wearable manufacturers.
- Apollo4 Blue Lite SoC Power- and feature-optimized Apollo4 variant with Bluetooth Low Energy, targeting extended battery life for digital health and fitness products.
- Apollo4 Lite SoC Cost- and power-optimized Apollo4 variant targeted at digital health, smartwatches, fitness bands, animal trackers, voice-activated remotes, and smart home IoT devices.
- Apollo4 Blue SoC Apollo4 generation SoC with integrated Bluetooth Low Energy radio for connected edge AI devices.
- Apollo4 SoC Fourth-generation Apollo SoC built on Ambiq's SPOT platform for IoT edge devices and remote patient monitoring products.
- Apollo330 Plus SoC Series Higher-integration Apollo3-family SoC series targeting connected edge AI applications requiring Bluetooth and extended memory.
- Apollo3 Blue Plus SoC Apollo3 generation SoC with Bluetooth Low Energy, used in the Noise Luna Ring smart ring.
- Apollo3 Blue SoC Bluetooth-enabled Apollo3 SoC used in the Bosch Sensortec BME680-based harvestKIT energy harvesting reference design.
- Apollo3 Blue Thin SoC Thin-profile variant of the Apollo3 Blue SoC with Bluetooth Low Energy for compact wearable form factors.
- Apollo3 SoC Third-generation Apollo SoC built on the SPOT platform with turboSPOT, used in applications including local AI inferencing demos.
- Apollo2 Thin SoC Thin-package variant of the Apollo2 SoC for space-constrained ultra-low-power applications.
- Apollo2 SoC Second-generation Apollo SoC built on the SPOT platform with ultra-low-power operation for battery-powered edge devices.
- Apollo SoC (1st Generation) First-generation Apollo MCU, the foundational product line in Ambiq's ultra-low-power SPOT-based microcontroller portfolio.
- Artasie AM1815 RTC Artasie family Real-Time Clock with extended functionality, part of Ambiq's nanopower RTC line for effective power management in edge devices.
- Artasie AM1805 RTC Artasie family Real-Time Clock chip used for low-power system timing and power management in battery-powered devices.
- Artasie AM0815 RTC Lower-power variant of the Artasie RTC family targeting compact, energy-harvesting edge devices.
- Artasie AM0805 RTC Nanopower Real-Time Clock from the Artasie product line supporting ultra-low-power system designs.
- neuralSPOT SDK Open-source AI developer-focused SDK providing libraries, tools, and examples for AI development on Ambiq Apollo SoCs. Current release is V1.2.0 Beta with HeliaRT integration.
- heliaAOT AI Compiler Ahead-of-time AI compiler that converts TensorFlow Lite models into optimized embedded C code for Apollo SoCs. Winner of the Embedded World 2026 Best Tools Award.
- heliaCORE AI Runtime Foundational software layer of the HELIA Edge AI ecosystem providing over 200 accelerated operators validated across 40+ AI models and 963 operator instances. Integrates with CMake, CMSIS-Pack, Zephyr, and neuralSPOT-X.
- heliaRT AI Runtime Runtime engine within the HELIA Edge AI ecosystem delivering up to 3x faster AI inference versus LiteRT implementations on Apollo510 and Apollo510B.
- heartKIT AI Developer Kit Open-source AI development kit for real-time ECG and vital sign monitoring on Apollo SoCs. Winner of the Embedded World 2025 Artificial Intelligence Award; developed in partnership with ams OSRAM.
- soundKIT AI Developer Kit Open-source audio AI development kit enabling always-on voice activity detection, keyword spotting, speech enhancement, and speaker identification on ultra-low-power edge devices. Available on GitHub.
- compressionKIT AI Developer Kit AI-based codec for always-on edge AI devices providing up to 20x data compression and 16x lower on-device memory usage. Status: Beta release with rolling improvements.
- sleepKIT AI Developer Kit AI development kit for on-device sleep stage classification and monitoring on Apollo SoCs, available as part of Ambiq's open-source AI Model Zoo on GitHub.
- harvestKIT Development Kit Energy-harvesting reference design combining an Apollo3 Blue SoC with TDK InvenSense IMU and Nexperia NEH2000BY/NEH7100 PMICs for perpetually powered IoT sensors.
- ApolloICD Debugger In-circuit debugger tool for the Apollo SoC family, supporting development and programming workflows.
Companies that use Ambiq Micro
Customer profileNamed customers9 records
Segments7 records
Ideal customer profiles4 records
Ambiq Micro technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration10 records
AI capability13 records
Feature10 records
Ambiq Micro partnerships and signals
Strategic signalPartnerships
Eleven partnerships are on record, tiered flagship and core.
- KPMG LLPflagshipRatified as Ambiq's independent registered public accounting firm for fiscal year 2026 by shareholders at the 2026 Annual Meeting of Stockholders, with over 13.8 million votes in favor.
- Singapore Economic Development Board (EDB)flagshipMulti-year partnership supporting Ambiq's expansion of R&D operations in Singapore focused on next-generation edge AI and SPOT platform. EDB supports new office for research, engineering, design, product development, and business development; partnerships with Singapore Institutes of Higher Learning and public research institutions.
- RONDScorePartnership for industrial edge AI sensor deployment announced alongside Atomiq SoC unveiling in Q4 2025.
- BravechipcorePartnership extension for a chiplet platform designed to reduce smart ring costs by up to 85% and boost production yield by 20%. Announced alongside Atomiq SoC unveiling at CES 2026.
- Edge ImpulseflagshipStrategic technology partner for scalable edge AI development. Edge Impulse's platform integrates with Ambiq's Apollo SoC family; demonstrated at Embedded World 2024, 2025. Ambiq CEO/CTO Scott Hanson has appeared with Edge Impulse CEO Zach Shelby at Imagine 2024.
- TDK InvenSenseflagshipInvenSense Sensor Partner Program member (2024) - ecosystem initiative with MCU/SoC partners, AI chip partners, and sensor partners for IoT designs. Joint collaboration on ultra-low-power IMU sensor with Ambiq's harvestKIT for cargo tracking, factory automation, Industrial IoT applications.
- ams OSRAMflagshipPartnership on heartKIT AI Development Kit (won 2025 Embedded World Award for Best AI). Co-developed vital sign monitoring and edge AI applications for life signs monitoring. Demonstrated at Embedded World 2025.
- SequanscorePartnership for low-power cellular connectivity (Cellular IoT) demonstrated at Embedded World 2025.
- DoublepointcoreCollaboration for gesture recognition wearable technology. Doublepoint's $249 Developer Kit for wearable gesture development (shipping Q2 2026) uses Ambiq's Apollo510 SoC, STMicroelectronics' IMU, and ams OSRAM's optical sensing. Demonstrated at Embedded World 2025 and CES 2026.
- NexperiacoreEnergy harvesting collaboration using Nexperia's NEH2000BY and next-iteration NEH7100 energy harvesting PMIC for Ambiq's harvestKIT reference design. Demonstrated at Embedded World 2025.
- MIKROE (MikroElektronika)
Scale indicators12 records
Recent moves10 records
Expansion highlights7 records
Ambiq Micro competitors and assessment
Company assessmentDirect peers
- Nordic Semiconductor: Nordic Semiconductor is a fabless Norwegian company specializing in ultra-low-power short-range wireless SoCs (Bluetooth LE, Matter, Thread) for wearables, hearables, and IoT. It is the most direct comparable to Ambiq in the low-power SoC space, competing head-to-head for wearable and IoT design wins, though it lacks Ambiq's subthreshold SPOT technology and NPU roadmap.
- Silicon Labs: Silicon Labs develops low-power wireless SoCs and microcontrollers for IoT, smart home, and industrial applications. It is a direct peer in the energy-efficient MCU/SoC category serving similar battery-powered end markets (smart home, industrial sensors), with a comparable focus on developer tools and ecosystem.
- Espressif Systems: Espressif Systems designs low-power Wi-Fi and Bluetooth/BLE SoCs (ESP32 family) used widely in IoT, wearables, and edge AI prototyping. It competes with Ambiq in the cost-sensitive low-power wireless MCU market, though typically at lower ASPs and with less focus on subthreshold optimization.
Broad incumbents
- STMicroelectronics: STMicroelectronics is a broad incumbent IDM supplying general-purpose STM32 microcontrollers, MEMS sensors, and energy-harvesting PMICs that compete with Ambiq's Apollo SoCs in wearables, hearables, and industrial IoT. ST also participates in Ambiq's harvestKIT reference design via Nexperia, and is a major competitor in healthcare and industrial segments.
- NXP Semiconductors: NXP is a broad incumbent in microcontrollers (Kinetis, LPC, i.MX RT) and edge processing, with strong positions in automotive, industrial, and smart home. Its low-power MCU families overlap with Ambiq's Apollo portfolio in IoT and wearables, and its larger scale and broader portfolio make it a key competitive threat.
- Renesas Electronics: Renesas is a broad incumbent microcontroller supplier (RA family, RX, RL78) with deep penetration in industrial, automotive, and consumer IoT. Its low-power RE and RA families compete with Ambiq's Apollo in industrial IoT, smart home, and select wearable applications.
- Qualcomm: Qualcomm is a broad incumbent with substantial low-power and edge AI ambitions across wearables ( Snapdragon W5+ for smartwatches), hearables, and IoT. While higher-ASP and more power-hungry, Qualcomm's scale, software ecosystem, and incumbent OEM relationships make it the principal ceiling on Ambiq's growth in premium wearables.
Emerging players
- Syntiant: Syntiant is an emerging player in ultra-low-power neural decision processors (NDPs) for always-on edge AI in hearables, wearables, and IoT. It directly targets Ambiq's edge AI value proposition with dedicated neural network inference hardware, focusing on keyword spotting and audio AI, and represents a specialized NPU competitor.
Others
- MediaTek: MediaTek is a broad incumbent fabless SoC supplier whose Genio line targets edge AI and IoT applications. It competes with Ambiq in smart home, wearables, and industrial edge AI with greater scale and a broader portfolio, and could pressure Ambiq's mid-tier Apollo4/Apollo510 sockets.
- Synopsys: Synopsys is an EDA and IP supplier, not a direct competitor, but provides Arm-based processor IP (Cortex-M55) and NPU IP (Ethos-U85) that Ambiq uses in Apollo5/Atomiq. It is an ecosystem enabler rather than a peer, and included because of its foundational role in Ambiq's silicon roadmap.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks7 records
Key highlights7 records
Customer concentration
Ambiq Micro social profiles
Digital presenceAmbiq Micro compliance and trust
Trust signalCompliance5 records
Ambiq Micro financial estimates
Financial estimateRevenue estimate
Valuation estimate
Ambiq Micro leadership team
Management profileNumber of profiles
Profiles20 records
Ambiq Micro funding detail
Funding detailFunding overview
Funding rounds23 records
Investors17 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Ambiq Micro M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Ambiq Micro
What does Ambiq Micro do?
Ambiq Micro designs and sells ultra-low-power semiconductor system-on-chips (SoCs) and real-time clock (RTC) chips built on its proprietary SPOT (Subthreshold Power Optimized Technology) platform for battery-powered edge AI devices. Its Apollo SoC family, the next-generation Atomiq NPU SoC, and Artasie RTC chips are sold to device manufacturers (OEMs) across wearables, hearables, healthcare, smart home, industrial IoT, and smart cards, alongside a layered AI software stack (neuralSPOT SDK, HELIA runtimes including heliaAOT, heliaCORE, heliaRT, and AI Developer Kits such as heartKIT, soundKIT, compressionKIT, and sleepKIT).
Is Ambiq Micro a public or private company?
Ambiq Micro is a public company. It is classified as public and is currently ipo.
When was Ambiq Micro founded?
Ambiq Micro was founded in 2010. It employs 101 to 250 people.
Where is Ambiq Micro based?
Ambiq Micro is headquartered in Austin, United States, in the North America region.
How does Ambiq Micro make money?
Four revenue lines are on record. Semiconductor SoC and RTC Hardware Sales are the primary driver. The others are development Kits and Tools (Evaluation Revenue), licensing of Embedded Software/Firmware and capital Markets / Public Equity Offerings.
Who are Ambiq Micro's main competitors?
Direct peers on record are Nordic Semiconductor, Silicon Labs and Espressif Systems. Broad incumbents are STMicroelectronics, NXP Semiconductors, Renesas Electronics and Qualcomm. Syntiant is listed as an emerging player. Others are MediaTek and Synopsys.
Does Ambiq Micro have an API?
No public API is recorded for Ambiq Micro.
What industry is Ambiq Micro in?
Ambiq Micro's product category is Ultra-Low-Power Semiconductor SoCs. Its primary akta.pro industry code is HDAAAJAB, On-Device Inference Runtimes & SDKs (mobile/embedded), with a secondary code of HDAHAJAC, System-on-Chip (SoC) Platforms (Mobile/Consumer/Embedded). Its NAICS code is 334413 and its SIC code is 3571.