Deep Tech Startups

A research company building general-purpose AI models designed to explore and learn like humans, including a computer action model that can navigate websites, perform CAD modeling sequences, and drive a car in the real world. It also develops speech generation models and operates its own large-scale data storage infrastructure.

4 investors

Standing Ovation produces animal-free casein, the main protein in milk, using a patented process that replicates the structure and amino acid sequence of cow, goat, or sheep casein without livestock farming. Its casein powder is sold to food-industry manufacturers to make dairy products such as cheese, yogurt, and ice cream, including hybrid and fully plant-based, lactose-free versions with a reduced environmental footprint.

4 investors

Starknet is an Ethereum Layer 2 Validity Rollup that uses STARK cryptography to validate off-chain transactions for greater scalability while retaining Ethereum's security. It offers native account abstraction, the Cairo smart contract language, and privacy features for developers building decentralized applications (DeFi, NFTs, gaming).

4 investors

Starlight Engine develops fusion energy technology and aims to demonstrate commercial fusion power generation using advanced superconducting tokamak (FAST) technology. The company integrates research and industry expertise to advance fusion energy toward industrial implementation and societal deployment, with focus on Japan-origin technology for global markets.

4 investors

Stellon Labs develops compact AI models optimized for edge computing and resource-constrained hardware environments.

4 investors

Stone designs and manufactures power generation turbines from the ground up, starting with natural gas turbines shipping in 2027, followed by steam, geothermal, and advanced cycles. The company aims to rebuild industrial manufacturing capacity for large-scale turbine production.

4 investors

StoreDot develops extreme-fast-charging lithium-ion EV batteries based on silicon and organic-inorganic chemistry combined with nanotechnology and AI, designed to charge in minutes and manufacturable on standard production lines. The company targets electric vehicle makers and the broader mobility market.

4 investors

Stralis develops hydrogen-electric aircraft for long-range passenger and cargo delivery applications. The company is designing aircraft that combine hydrogen fuel cells with electric propulsion for aviation.

4 investors

STYLY, Inc. (formerly Psychic VR Lab) develops STYLY, a platform for creating and distributing VR/AR/XR content. The company is based in Tokyo, Japan.

4 investors

Subconscious develops TIMRUN, an inference runtime, and the TIM family of post-trained open models optimized for AI agent workloads rather than chatbots, offering on-GPU context compression that extends context windows and increases concurrency and token throughput. It serves developers building coding agents, agentic products, and edge deployments via OpenAI- and Anthropic-compatible APIs, and can act as a drop-in replacement for vLLM and SGLang.

4 investors

Surgify Halo is a medical technology company that develops innovative bone cutting technology designed to improve safety, precision, and efficacy in surgical procedures.

4 investors

Sutro is a biotech company developing a cell-free protein synthesis platform for the design and manufacturing of complex biologics, particularly cancer therapies and antibody-drug conjugates.

4 investors

SweGaN produces gallium nitride on silicon carbide (GaN-on-SiC) wafers for high-performance power electronics and semiconductor devices. The company is involved in the CLOSER project, which recovers and recycles critical semiconductor materials like gallium and silicon carbide to reduce Europe's dependence on non-European suppliers and advance circular semiconductor manufacturing.

4 investors

Symbolica is an AI research lab that combines category theory and type theory to build symbolic reasoning engines. The company has launched Agentica, an agent-builder platform that enables multi-agent systems with code execution capabilities.

4 investors

Synendos is a biotech company developing selective endocannabinoid reuptake inhibitors targeting the endocannabinoid system to treat neuropsychiatric disorders. The company's lead candidate, SYT-510, is in clinical development with the goal of restoring brain function in major psychiatric and neurological conditions.

4 investors

Synonym builds tools for biomanufacturing companies to model bioprocesses, run techno-economic analysis, and find production facilities. Its platform includes engineering solutions for cost and viability modeling and a facility-matching network that connects companies to fermentation and bioproduction capacity.

4 investors

Synova Life Sciences develops technology for biomedical applications, focusing on innovative solutions in the life sciences sector.

4 investors

T-Therapeutics develops T cell receptor-based therapeutics for cancer and autoimmune diseases using its proprietary OpTiMus platform, which identifies antigen-specific human TCRs. The company combines expertise in biopharmaceutical drug development, single cell genomics, machine learning, and structural biology.

4 investors

T-Cypher Bio develops drugs with curative potential, focusing on antibody development, T cell biology, and TCR discovery. The company applies immunology and AI-driven approaches in the biotech sector.

4 investors

Taconic Biosciences provides genetically engineered mouse and rat models, humanized immune system mice, custom model generation, colony management, and in vivo research services. It serves drug discovery and preclinical researchers, offering integrated laboratory animal models and services from model selection through study-ready cohorts.

4 investors

Tacta Systems is a robotics company building "Dextrous Intelligence," a control system that lets robots perform delicate, variable, human-like tasks with flexibility and autonomy. It develops the underlying technology enabling robots to manipulate objects with greater dexterity.

4 investors

Tactogen develops patented new chemical entities, including benzofuran-based compositions, and conducts preclinical research and publishes data on these compounds. The company operates in the neuroscience and pharmaceutical drug development space.

4 investors

Tagomics develops multimodal technologies for precision medicine and next-generation diagnostics. The company is based in Cambridge and focuses on improving patient outcomes through advanced diagnostic technologies.

4 investors

Tahoe Bio AI applies machine learning and computational biology to drug discovery and development. The company leverages AI and advanced cellular modeling for pre-clinical research in the biotech industry.

4 investors