Hardware startups.

Ambiq

Public

Ambiq is a fabless semiconductor company that develops ultra-low-power system-on-chips (SoCs), microcontrollers (MCUs), and real-time clocks (RTCs) for battery-powered edge AI devices. Its proprietary SPOT® (Subthreshold Power Optimized Technology) platform enables always-on intelligence in wearables, IoT, smart home, healthcare, and industrial products. Customers include top global wearable manufacturers, and the company went public on the NYSE (ticker: AMBQ) in July 2025.

Efficient Computer

Series A

Efficient Computer builds the world's most energy-efficient general-purpose AI chips and processor architecture (Fabric/Electron E1), targeting edge, embedded, IoT, and industrial applications. Its chips deliver up to 100× better energy efficiency than low-power CPUs, enabling real-time AI inference without cloud connectivity. The company serves device manufacturers and developers across physical infrastructure, space and defense, and automotive sectors.

Magic Leap

Growth

Pioneering see-through augmented reality through innovative waveguides, device ideation, and platform development

Radiant Nuclear

Growth

Making Nuclear Power Portable.

Castelion

Growth

Building long-range hypersonic strike systems to restore U.S. deterrence capability

Carbon

Growth

Carbon is a 3D printing technology company headquartered in Redwood City, CA, that helps businesses develop better products and bring them to market faster. Its proprietary Digital Light Synthesis (DLS) process combines versatile printers, advanced software, and programmable polymer resins to produce functional end-use parts. The platform serves customers across automotive, consumer, industrial, MedTech, and dental industries in 17 countries.

Meter

Growth

Meter provides internet infrastructure for businesses.

Graphcore

Growth

Graphcore is a British semiconductor company that designs and develops Intelligence Processing Units (IPUs) — a new class of AI accelerator processor — along with supporting software (Poplar) for machine learning and AI workloads. Its products serve AI researchers and enterprises needing high-performance compute for tasks such as natural language processing, computer vision, and deep learning. Acquired by SoftBank Group in July 2024, Graphcore now operates as part of the SoftBank AI ecosystem.

Quantum Circuits

Growth

Quantum Circuits, Inc. (QCI) is a Yale University spinout developing a full-stack quantum computing platform using superconducting devices and a modular, scalable architecture. Its systems feature dual-rail qubits with built-in error detection and correction, enabling high-fidelity quantum algorithm execution. The company targets researchers and enterprises seeking commercially viable fault-tolerant quantum computing solutions.

SnapMagic

Seed

Your AI copilot for circuit design - www.snapmagic.com

Eight Sleep

Series C

The sleep fitness company.

Mobius Materials

Series A

The spot market for semiconductors

Charge Robotics

Seed

We build robots that build solar farms.

Hestus

Seed

Dream, Design, Deliver

Vendra (YC S24)

Seed

Custom Parts, Manufactured in America 🇺🇸

Wafer AI

Seed

Inference that keeps getting better. Wafer continuously optimizes your inference stack.

Nox Metals

Seed

The modern factory for fast, low-cost metals.