Deep Tech Startups

Phanes Therapeutics develops oncology and metabolic disease therapeutics targeting cell cycle regulators and related pathways. The company operates from San Diego with operations including a research site in Shanghai.

1 investor

PhmaPlanter develops biotechnology platforms for recombinant proteins, antibody development, gene editing, nutraceutical research, and advanced cellular technologies including gas vesicles and organoid culture systems.

1 investor

Pharos Bio builds Hydra, an autonomous AI platform that plans, runs, and validates bioinformatics analyses from a single prompt using preloaded databases and codified analysis skills. It also builds custom AI workflows deployed in-environment for SMB biotech and pharma teams working with proprietary omics and oncology data.

1 investor

Phaseshift develops meta-optical systems, using metasurface research to build integrated photonics and advanced optical components for next-generation optical systems. The company draws on expertise in quantum optics, nanophotonics, and optical engineering, with operations in India.

1 investor

Phase Shift develops custom alloys using an AI and multi-scale simulation platform that designs, optimizes, and evaluates new material chemistries. It serves engineering industries such as aerospace, automotive, energy infrastructure, and medical devices with bespoke materials tailored to specific property requirements.

1 investor

Phasor Solutions develops and procures technology spanning chip design, software, and artificial intelligence, with a focus on high-availability, secure systems for demanding operational environments including on-the-move deployments. Its offerings appear aimed at defense or mission-critical operational use.

1 investor

Phenix Space develops field-upgradeable satellite systems that can be reconfigured or upgraded in orbit, aimed at satellite constellations used for Earth observation, telecommunications, and defense. The company focuses on making space systems adaptable and persistent rather than discarded and replaced.

1 investor

PhenoTap develops KetoTap Core, a patent-pending BHB oxidase enzyme designed for reliable, affordable, real-time ketone measurement in blood test strips and continuous monitors. It offers the enzyme as a drop-in technology for device makers building glucose-style sensors, targeting continuous ketone monitoring for health and therapeutic applications.

1 investor

Phi4Tech (NANOMATE) develops precision nanomaterials used as advanced additives for industrial applications, including batteries, supercapacitors, thermoplastics, thermosets, and construction materials. It serves industrial sectors seeking to improve mechanical properties, durability, energy storage, and sustainability of their products.

1 investor

Philolabs builds a verification layer for visual AI, focused on alignment and safety infrastructure for video understanding and generation models. It serves frontier AI labs training multimodal visual intelligence systems, operating in the AI alignment and machine learning space.

1 investor

Phinomics is a cancer drug discovery platform that captures extrachromosomal circular DNA (the "Circulome") at high resolution from matched tumor and normal patient samples, integrating it with DNA, RNA, epigenetics, and proteomics into a multi-omic knowledge graph. It applies explainable AI to this data to identify novel therapeutic targets, resistance mechanisms, and patient stratification biomarkers for oncology therapeutics development.

1 investor

Phoenix SENOLYTIX develops gene therapies targeting senescent cells to address aging-related conditions. The company utilizes its ApoptiCIDe-CE™ platform technology, validated in human patients, to eliminate unwanted cells in the body.

1 investor

Phoenix Ventures Partners is a venture capital and private equity firm that invests in deep technology companies across quantum computing, photonics, advanced materials, biotech, and cleantech sectors. The portfolio includes companies developing next-generation technologies in semiconductors, energy storage, life sciences diagnostics, and industrial applications.

1 investor

Banshee is building velocity.report, a radar/LiDAR perception platform for measuring and reporting street-level vehicle speeds. The product focuses on A/B street-speed reporting using sensor perception technology.

1 investor

Phorm AI builds technology to unify high-frequency sensor data streams into coherent signals and derive insights without large labeled datasets, aiming to shorten the path from raw signal to actionable intelligence at the point of decision.

1 investor

Phosphoenix is developing a neuroprosthetic system that restores functional vision in people with profound blindness by directly stimulating the brain's visual pathway, targeting the lateral geniculate nucleus. Its core technology is a high-density, ultra-flexible neural interface for precise deep-brain stimulation.

1 investor

Photon Force designs and manufactures single-photon sensitive cameras and sensors for research and scientific applications in photonics and quantum optics. The company's technology can timestamp up to half a billion individual photons per second and provides customized solutions including firmware for hardware-accelerated data processing.

1 investor

Photonect develops adhesive-free, laser-fusion fiber-to-chip attach technology for packaging integrated photonic devices, creating permanent glass-to-glass bonds. Its patented oxide mode converters reduce insertion loss at fiber-chip interfaces and are compatible with foundry processes and solder reflow, serving the photonics packaging and semiconductor industry.

1 investor

Photon etc. distributes optics and photonics technologies through a global network of specialized partners, serving researchers and industries in life science, material science, and industrial applications.

1 investor

Photonisol develops silicon photonic integrated devices and functional photonic devices, with a focus on integrated optical isolators and photonic integrated circuits (PICs). Its technology targets applications such as optical transceiver modules, co-packaged optics, optical phased arrays, quantum computing chips, and biosensors. The company is a spin-off from Inha University's research laboratory.

1 investor

Photonium builds AI-assisted software and provides consulting for optical lens and system design, taking projects from written spec to toleranced export while integrating with tools like Zemax and CODE V. It serves teams working on satellites, drones, AR/VR, flow cytometry, quantum computing, UV lighting, and consumer electronics.

1 investor

PhovIR develops handheld near-infrared (NIR) spectroscopy technology based on a MEMS-enabled Michelson interferometer, packaging FTIR-grade material analysis into a small, low-cost, mass-manufacturable device. The portable spectrometer is intended for identifying materials, substances, and physiological markers in the field.

1 investor

A South Korean materials company that develops and manufactures specialty chemicals and materials for OLED displays, including electron injection materials, common layer materials, and hole transport layers.

1 investor

Phygtl develops a behavioral intelligence layer that captures how people meet, move, and coordinate in physical spaces, focusing on real-world intent, timing, and social patterns. It positions this as a dataset direction for AI models that cannot learn about the physical world from web text alone.

1 investor