Ambiq Micro, Inc. (AMBQ)

Ambiq Micro, Inc. designs ultra-low-power semiconductors for battery-powered and edge devices. Its chips are built on a proprietary subthreshold power optimized technology platform that lets circuits operate at very low voltages, greatly reducing energy consumption compared with conventional designs.

The company's products include microcontrollers and systems-on-chip that integrate processing, memory, wireless connectivity and support for on-device artificial intelligence. They are used in wearables such as smartwatches and fitness bands, hearing devices, smart home products, medical monitors and industrial sensors, where long battery life is critical. Ambiq follows a fabless model, relying on third-party foundries for manufacturing.

Ambiq Micro is headquartered in Austin, Texas, and completed its initial public offering on the New York Stock Exchange in 2025.