Semiconductors Startups

Positron builds purpose-built hardware and inference accelerator silicon for running Transformer-based generative AI models, offering inference appliances that map HuggingFace Transformers models onto the hardware and expose an OpenAI API-compliant endpoint. Its products target AI infrastructure for high-performance, low-power model inference at scale.

9 investors

SEEQC develops a digital quantum computing platform that integrates the core functions of a quantum computer—including qubits and classical control logic—onto superconducting cryogenic chips, aiming to scale qubits without added complexity. The company targets partners and customers in quantum computing and AI, positioning its architecture for large-scale quantum data centers.

9 investors

The page describes Photonic Fabric, an optical interconnect technology platform for the scale-up interconnect market that enables high-bandwidth, power-efficient links for AI data center infrastructure. The content is presented under Marvell branding, focused on connectivity, custom silicon, and optical DSP solutions for hyperscalers and data center customers.

8 investors

Cerebras designs and manufactures wafer-scale AI processors and systems for data centers, enabling accelerated AI training and inference at scale. The company serves AI model providers, cloud infrastructure operators, and research institutions.

8 investors

Eliyan develops chiplet interconnect PHY technologies, including its NuLink and NuLink-X products, aimed at increasing bandwidth, power efficiency, and lowering total cost of ownership for generative AI and high-performance computing data center systems. The company targets semiconductor and AI infrastructure applications such as chiplet-based designs and HBM memory scaling.

8 investors

Fabric8Labs develops Electrochemical Additive Manufacturing (ECAM), a room-temperature metal 3D printing technology that produces dense, high-purity metal parts with micron-scale resolution and no post-processing. Its patented microelectrode array printhead enables mass-scale production of components, including direct printing onto temperature-sensitive substrates such as PCBs, silicon, and existing metal parts.

8 investors

Finwave Semiconductor develops GaN-on-Silicon RF technology and devices, including E-mode GaN power amplifiers and high-power broadband RF switches for radio front-end applications. Its products target 5G, 6G, and aerospace/defense communication systems, serving device designers and engineers who need higher power handling, frequency, and energy efficiency.

8 investors

Inversion Semiconductor develops next-generation semiconductor lithography equipment based on miniaturized particle accelerators that increase transistor density and improve chip manufacturing precision. The platform enables semiconductor fabricators to scale transistor production toward physical limits while improving throughput and uniformity in advanced chip production.

8 investors

Olix develops a novel compute architecture integrating SRAM with photonics to enable more efficient AI model deployment, addressing throughput, cost, and latency limitations of current GPU memory systems.

8 investors

proteanTecs develops in-chip monitoring technology (Universal Chip Telemetry) that embeds intelligence inside chips to provide deep data and visibility from design through production to field for semiconductor and electronics companies. Its platform delivers insights into yield, quality, performance, and reliability for advanced electronic devices across data center, AI, HPC, telecom, and automotive markets.

8 investors

Space Forge develops in-space manufacturing capabilities, focusing on growing and processing advanced materials such as semiconductors in space and returning them to Earth. It operates satellite manufacturing cleanrooms and a materials development pilot line, serving the space and semiconductor materials industries.

8 investors

Aquantia was a fabless semiconductor company designing high-speed multi-gigabit Ethernet connectivity chips for data centers, enterprise networking, and automotive applications. Acquired by Marvell Technology in 2019.

7 investors

Marvell designs custom silicon and provides interconnect and network switch products for AI data center infrastructure, serving hyperscalers, enterprises, and telecom carriers. Its portfolio spans custom compute, connectivity platforms, networking, and security for AI infrastructure, enterprise networks, and 5G applications.

7 investors

Aspinity designs analog processing chips that enable near-zero power AI systems using its AnalogML technology. The company serves developers building next-generation AI products that require ultra-efficient computing architectures.

7 investors

ChemPower develops an abrasive-free chemical mechanical planarization (CMP) technology and materials for advanced semiconductor chip manufacturing. Its benign chemistry aims to reduce defects, improve yield, and enable metal recovery and water recycling in fabs.

7 investors

Cognichip develops Artificial Chip Intelligence (ACI), an AI system designed to accelerate semiconductor design by reducing design effort and time-to-market for chip manufacturers. The platform aims to address the hardware development bottleneck by automating chip design workflows and making the process more accessible to the semiconductor industry.

7 investors

Conductor develops AI algorithms and control software for quantum computing, helping researchers and engineers optimize qubit architectures and scaling in semiconductor-based quantum systems.

7 investors

DustPhotonics develops silicon photonics chips (PICs) and an end-to-end SiPho platform with laser integration and fiber coupling, based on its proprietary L3C laser-attach technology. Its products provide optical connectivity for data centers and AI infrastructure across a range of transceiver architectures and data rates from 400G to 1.6T.

7 investors

Enfabrica develops networking silicon and infrastructure for AI and accelerated computing, using a multi-path switched fabric that connects CPUs, GPUs, and memory endpoints with fault tolerance and load distribution. Its technology is aimed at large-scale AI compute clusters requiring high scalability and reliability.

7 investors

Intel designs and manufactures semiconductor processors for data center, consumer, and embedded applications, including Xeon server processors, Arc graphics processors, and mobile processors. The company serves enterprises, device manufacturers, and consumers globally.

7 investors

Prophesee develops event-based (neuromorphic) vision sensors and AI systems that mimic human vision, processing only scene changes to enable high-speed, low-power, high-dynamic-range machine perception. Its technology serves security, defense, aerospace, industrial automation, and mobility applications, including drone detection and industrial vision systems.

7 investors

QD Laser develops semiconductor laser technology, including ultrashort-pulse DFB lasers for non-thermal micromachining of materials and its Visirium retinal-projection technology that projects images directly onto the retina for people with low vision. Its products span optical communications, industrial processing, and medical/assistive devices such as the RETISSA retinal-projection viewers.

7 investors

Syenta develops high-resolution interconnect technology for chip-to-chip connections using Localized Electrochemical Manufacturing, enabling higher bandwidth between compute and memory in AI systems. The company targets semiconductor and AI hardware manufacturers with a manufacturing process designed for large-scale packaging.

7 investors

VSORA is a fabless semiconductor company designing AI inference chips, including the Jotunn8 data-center chip and the Tyr edge-AI chip, aimed at lowering the cost and energy use of running trained AI models. It sells to server manufacturers that supply data center operators, positioning itself as a European alternative to NVIDIA and AMD.

7 investors