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Harpoon
San Diego, United States
Invest in early‑stage founders building technologies critical to U.S. power and national resilience, with a focus on government‑related and defense‑oriented solutions.
Portfolio
50+
Employees
15+
Founded
2018
AUM
N/A
Investment focus
Stages
No stages listed
Industries
No industries listedGeographic scope
United States
Sources
Harpoon
Invest in early‑stage founders building technologies critical to U.S. power and national resilience, with a focus on government‑related and defense‑oriented solutions.
Portfolio
50+
Employees
15+
Founded
2018
AUM
N/A
Stages
No stages listed
Industries
No industries listedGeographic scope
United States
Sources
Showing 24 of 27 matched portfolio companies
Aalo manufactures compact nuclear reactors that utilize liquid metal coolant and UZrH fuel to achieve high energy density and simplified safety systems. These reactors can generate electricity at a target cost of 3¢ per kWh, providing a scalable solution for energy needs ranging from small data centers to large cities.
Funding: $133.3M
Rough estimate of the amount of funding raised
Funding: $133.3M
Rough estimate of the amount of funding raised
Astranis designs and manufactures small, radiation-hardened telecommunications satellites for geostationary orbit, utilizing advanced digital processing technology to enhance internet access in remote regions. By reducing the number of satellites needed for constant service, Astranis lowers operational costs and simplifies user terminal requirements, making connectivity more affordable for underserved areas.
Funding: $753.5M
Rough estimate of the amount of funding raised
Funding: $753.5M
Rough estimate of the amount of funding raised
CyCognito offers an automated external attack surface management platform that continuously discovers and tests an organization's web-facing assets to identify security vulnerabilities. By prioritizing and streamlining remediation efforts, the platform helps organizations reduce their risk exposure and enhance their overall security posture.
Funding: $153.0M
Rough estimate of the amount of funding raised
Funding: $153.0M
Rough estimate of the amount of funding raised
This company provides the Haystack open source framework and enterprise platform for building custom AI solutions powered by LLMs. They specialize in high-impact applications such as Retrieval Augmented Generation (RAG), AI Agents, and Intelligent Document Processing (IDP). Their technology enables organizations to deploy trusted, sovereign AI solutions with control over data, models, and workflows.
Funding: $45.8M
Rough estimate of the amount of funding raised
Funding: $45.8M
Rough estimate of the amount of funding raised
Encord provides a multimodal data layer infrastructure for training and deploying physical AI systems across various modalities like video, LiDAR, and sensor fusion. The platform supports the entire AI lifecycle, from data collection and automated labeling to dataset curation and post-training model alignment. This unified solution enables AI teams to manage and scale complex data workflows for robotics, autonomous vehicles, and generative AI applications.
Funding: $50.0M
Rough estimate of the amount of funding raised
Funding: $50.0M
Rough estimate of the amount of funding raised
General Galactic develops advanced spacecraft mobility solutions for sustained in-space operations. Their water-based propulsion system offers high thrust and specific impulse, enabling rapid maneuver and efficient orbital transfers. This technology allows customers to achieve greater delta-V and access unique orbits with lower operational costs.
Funding: $9.9M
Rough estimate of the amount of funding raised
Funding: $9.9M
Rough estimate of the amount of funding raised
The startup develops a computational platform utilizing proprietary molecular AI technology for the discovery of small-molecule drugs aimed at treating severe diseases. This approach enhances the efficiency of drug development processes, ultimately improving clinical outcomes for patients.
100+
10K+Approximate amount of employees
Funding: $327.4M
Rough estimate of the amount of funding raised
Funding: $327.4M
Rough estimate of the amount of funding raised
Glyphic Biotechnologies develops Protein Sequencing by Expansion (ProSE™), a novel technology for high-throughput proteome sequencing. This method achieves single-molecule sensitivity for accurate discrimination of all 20 amino acids and post-translational modifications (PTMs). The platform aims to provide unprecedented precision and scalability for advancing proteomics research and therapeutic development.
Funding: $43.8M
Rough estimate of the amount of funding raised
Funding: $43.8M
Rough estimate of the amount of funding raised
Graphiant offers a Network-as-a-Service (NaaS) that provides secure, high-performance connectivity between hybrid cloud environments, network edges, and business partners. This solution enables enterprises to provision networks in minutes while achieving MPLS-level performance at a significantly lower total cost of ownership.
Funding: $99.0M
Rough estimate of the amount of funding raised
Funding: $99.0M
Rough estimate of the amount of funding raised
JITX offers electronic design as a service, utilizing automated design tools to streamline the creation of printed circuit boards (PCBs). This approach reduces the time and cost associated with traditional electronic design processes, enabling faster product development for hardware companies.
Funding: $12.0M
Rough estimate of the amount of funding raised
Funding: $12.0M
Rough estimate of the amount of funding raised
Kodiak develops a modular autonomous driving system, the Kodiak Driver, which utilizes integrated SensorPods equipped with cameras, LiDAR, and radar to navigate safely in diverse environments. This technology addresses the high incidence of truck-related accidents by providing a reliable, efficient alternative to human drivers in the freight and industrial sectors.
Funding: $140.0M
Rough estimate of the amount of funding raised
Funding: $140.0M
Rough estimate of the amount of funding raised
Lumos provides a unified platform for managing software applications and identity access, automating provisioning tasks and optimizing software costs. By integrating SaaS and identity management, it reduces IT workload and enhances security compliance, resulting in measurable savings and improved operational efficiency.
Funding: $65.3M
Rough estimate of the amount of funding raised
Funding: $65.3M
Rough estimate of the amount of funding raised
MatX manufactures specialized hardware designed for training and inference of large AI models, delivering up to 10× more computing power for workloads with over 7 billion parameters. This enables researchers and startups to efficiently train advanced models, significantly reducing the time and cost associated with developing state-of-the-art AI systems.
Funding: $119.9M
Rough estimate of the amount of funding raised
Funding: $119.9M
Rough estimate of the amount of funding raised
Merlin Labs develops cost-effective, aircraft-agnostic autonomous flight software for civil and military aviation. Their Merlin Pilot translates human piloting skills into AI-powered systems capable of managing all phases of flight, navigation, and communication. This technology enables safer, reduced-crew, and optionally-crewed operations, increasing utility and efficiency across various airframes.
Funding: $146.4M
Rough estimate of the amount of funding raised
Funding: $146.4M
Rough estimate of the amount of funding raised
MoldCo is a healthcare technology platform that helps adults with chronic, non‑specific symptoms identify and treat mold exposure. It offers a free risk assessment, personalized treatment plans—including prescription binders, nasal spray, and peptide therapy—delivered to the patient’s home, and a symptom‑tracking dashboard with tele‑health support, all through a transparent subscription model.
n8n is a low-code workflow automation platform that enables technical teams to create complex, multi-step workflows by integrating over 400 applications and utilizing AI for data analysis. It reduces operational inefficiencies, saving significant time in processes such as onboarding and security incident management.
Funding: $253.0M
Rough estimate of the amount of funding raised
Funding: $253.0M
Rough estimate of the amount of funding raised
Provides an API-driven authorization service that enables developers to implement role-based (RBAC), relationship-based (ReBAC), and attribute-based (ABAC) access control without overhauling existing application architectures. By generating SQL filters and authorizing locally against existing databases, it reduces integration time, eliminates syncing issues, and supports high-performance, scalable permission management across cloud, hybrid, and on-prem environments.
Funding: $26.0M
Rough estimate of the amount of funding raised
Funding: $26.0M
Rough estimate of the amount of funding raised
Re is an on‑chain reinsurance protocol that tokenizes real reinsurance treaties, issuing fully collateralized tokens backed by verified insurance premiums. The platform provides institutional investors and insurers with regulated, transparent access to the $800B+ reinsurance market, delivering 8‑16% annual yields that are largely uncorrelated with traditional assets while maintaining defined risk limits and underwriting discipline.
Funding: $7.0M
Rough estimate of the amount of funding raised
Funding: $7.0M
Rough estimate of the amount of funding raised
Sema4.ai offers an enterprise AI agent platform for building and scaling custom AI agents to automate complex, decision-driven workflows. Its tools enable businesses to enhance operational efficiency and reduce costs by integrating large language models into secure, controlled environments.
Funding: $25.0M
Rough estimate of the amount of funding raised
Funding: $25.0M
Rough estimate of the amount of funding raised
Provides a static application security testing (SAST) platform that uses dataflow analysis and semantic rule matching to identify and remediate code vulnerabilities, including hardcoded secrets and supply chain risks. By reducing false positives by up to 98% and integrating seamlessly into developer workflows, it enables teams to enforce secure coding practices without disrupting development speed.
Funding: $96.0M
Rough estimate of the amount of funding raised
Funding: $96.0M
Rough estimate of the amount of funding raised
Solugen operates a sustainable molecule factory that utilizes engineered enzymes and metal catalysis to convert plant-derived feedstocks into essential chemical building blocks, significantly reducing emissions and waste. This technology replaces traditional petroleum-based products, addressing the environmental impact of chemical manufacturing in various industries, including energy, agriculture, and personal care.
Funding: $855.8M
Rough estimate of the amount of funding raised
Funding: $855.8M
Rough estimate of the amount of funding raised
Cellular Intelligence is developing the first universal virtual cell-signaling model to understand and manipulate biological processes. This platform aims to shift biology from a deterministic state to one of designable outcomes. The company provides computational tools for advanced biological research and therapeutic development.
Funding: $10.3M
Rough estimate of the amount of funding raised
Funding: $10.3M
Rough estimate of the amount of funding raised
Tarsal provides a no-code ETL data pipeline designed specifically for security teams, enabling seamless ingestion and normalization of security data from various sources. This solution addresses the challenge of managing disparate data formats and delivery methods, allowing organizations to efficiently route their security logs to any destination, such as data lakes or SIEMs, with minimal setup time.
Funding: $6.0M
Rough estimate of the amount of funding raised
Funding: $6.0M
Rough estimate of the amount of funding raised
Ursa Major designs and manufactures reusable rocket propulsion systems, including oxygen-rich staged combustion engines, for commercial space, hypersonic, and national security applications. The company addresses the critical supply shortage in reliable propulsion, which has led to a high rate of launch failures and hindered the growth of the U.S. space and defense sectors.
Funding: $274.1M
Rough estimate of the amount of funding raised
Funding: $274.1M
Rough estimate of the amount of funding raised
Showing 12 of 23 unmatched portfolio companies
Determined.ai
No website provided
We don't have a full profile for this company yet.
Electroflow
No website provided
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LeapYear
No website provided
We don't have a full profile for this company yet.
Airplane
No website provided
We don't have a full profile for this company yet.
Akita
No website provided
We don't have a full profile for this company yet.
Material Security
No website provided
We don't have a full profile for this company yet.
Orbital Operations
No website provided
We don't have a full profile for this company yet.
Decodable
No website provided
We don't have a full profile for this company yet.
STEALTH CO (Next gen ship building technology)
No website provided
We don't have a full profile for this company yet.
Buoyant
No website provided
We don't have a full profile for this company yet.
General Galactic
No website provided
We don't have a full profile for this company yet.
Bluesky
No website provided
We don't have a full profile for this company yet.