Hardware Startups

Anduril builds autonomous systems and software for defense and military applications, including attack aviation, unmanned aircraft, and underwater vehicles, unified by an autonomy platform. It also operates its own defense manufacturing facility.

101 investors

Stoke Space develops fully reusable rockets for space transportation and mobility services. The company focuses on rapid iteration from prototype to launch, with a mission to enable seamless mobility to, through, and from space.

53 investors

Figure develops general-purpose humanoid robots designed for deployment in workforce and home environments. The company builds commercial-grade robotic systems with advancing dexterity and autonomy capabilities.

49 investors

Axiom Space develops commercial space stations and provides access to low-Earth orbit microgravity environments for research, manufacturing, and innovation by governments, researchers, and organizations.

48 investors

Aalo develops advanced nuclear reactor technology aimed at producing electricity at under 3 cents per kilowatt-hour. The company serves the global energy market and is focused on enabling virtually unlimited clean power generation.

47 investors

Boom Supersonic develops Overture, a supersonic airliner designed to fly at twice the speed of current airliners and run on sustainable aviation fuel, serving both civil airline and government/defense markets. The company also develops Symphony, the propulsion system that will power Overture.

44 investors

Saronic builds autonomous surface vessels — including the 180-foot, long-range Marauder — along with Echelon, a command-and-control software layer for planning, simulating and operating single vessels or fleets. The company targets defense and commercial maritime customers and is developing Port Alpha, a shipyard for producing its vessels in the United States.

42 investors

Apptronik builds humanoid robots designed to perform repetitive, physically taxing, and dangerous tasks in warehousing and manufacturing environments, aiming to free workers for higher-value activities.

40 investors

Astranis designs, builds, and operates small geostationary communications satellites that provide dedicated, secure network connectivity to large enterprises, sovereign governments, and the US military. The company operates its satellites globally from its Northern California headquarters.

40 investors

Oura Ring is a wearable smart ring that collects and analyzes 50+ personal health metrics to provide insights on sleep, fitness, and wellness for individual users.

40 investors

Eight Sleep makes sleep technology products that use thermoregulation, data, and sensors to improve sleep quality for individual consumers. Founded in New York City in 2014, the company positions itself in the sleep fitness and wellness hardware category.

38 investors

Relativity Space designs, builds, and launches rockets, including Terran 1 (a 3D-printed rocket) and Terran R, a reusable medium-heavy lift launch vehicle. The company uses a vertically integrated approach combining 3D printing, AI, and autonomous robotics to manufacture launch vehicles with fewer parts.

37 investors

Base Power provides residential battery systems and retail electric provider services to customers in Texas. The company develops battery storage solutions certified under UL safety standards and offers electricity supply services through its licensed retail electric provider operations.

35 investors

Cerebras designs and manufactures wafer-scale AI processors and systems for data centers, enabling high-speed AI training and inference workloads. The company serves AI infrastructure providers, research institutions, and cloud platforms globally.

34 investors

PsiQuantum builds fault-tolerant quantum computers using photonic qubits and semiconductor manufacturing processes. The company develops quantum chips, cryogenic systems, and modular quantum computing platforms for commercial deployment across industries.

34 investors

Etched designs custom inference chips, racks, and software co-designed for running frontier AI models, including large sparse mixture-of-experts models, long-context, and agentic workloads. It builds vertically integrated inference systems aimed at higher throughput, lower latency, and better power efficiency for AI companies, cloud providers, and hyperscalers.

30 investors

Loft Orbital operates space infrastructure, providing satellites equipped with sensing resources, onboard edge compute, and connectivity that let customers run missions without deploying their own hardware. It serves commercial and government customers, including national security stakeholders, through virtual missions on its satellite constellation.

27 investors

Radiant Nuclear develops Kaleidos, a portable nuclear microreactor designed to replace diesel generators for remote locations and provide resilient backup power to hospitals, datacenters, and military installations.

26 investors

Sygaldry develops quantum-accelerated AI servers that combine multiple qubit modalities to speed up training and inference for AI models. The company targets AI companies and researchers seeking more efficient, cost-effective compute infrastructure.

26 investors

Ayar Labs develops co-packaged optics (CPO) technology for AI infrastructure, enabling optical connectivity between thousands of GPUs across data center racks. The company manufactures optical engines (TeraPHY) and light sources (SuperNova) designed for hyperscale AI deployments requiring high bandwidth and low latency.

25 investors

Zeno develops nuclear batteries that convert heat from decaying radioisotopes into electricity for extended-duration applications in space and deep-sea environments where conventional power sources are inadequate. The batteries are designed for frontier missions requiring reliable power without refueling or maintenance for years.

24 investors

Array Labs develops radar technology for aerospace and other leading industries. The company focuses on systems engineering, software development, and radar systems innovation.

23 investors

Atom Computing develops large-scale quantum computers using optically-trapped neutral atoms for on-premises deployment. The systems are designed to serve companies and researchers working on computationally intensive applications.

23 investors

Ledger provides hardware and software cryptocurrency wallet solutions that enable users to buy, swap, earn, and manage digital assets with security features and portfolio tracking capabilities across multiple blockchain networks.

23 investors