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J2Vp
Boston, United States
J2 Ventures focuses on early‑stage deep‑technology companies that address national‑security‑critical problems, including AI, biomedical breakthroughs, cybersecurity, and critical infrastructure. The firm partners with fo...
Portfolio
32+
Employees
15+
Founded
2020
AUM
≈ $400.0M
Investment focus
Stages
Seed → Series A
Industries
Artificial IntelligenceBiotechnologyCybersecurityInternet of Things
Geographic scope
United States
Fund details
Funds
Fund II
Vintage 2024 • $150.0M
Brookhaven Fund
Vintage 2025 • $250.0M
Sources
J2Vp
J2 Ventures focuses on early‑stage deep‑technology companies that address national‑security‑critical problems, including AI, biomedical breakthroughs, cybersecurity, and critical infrastructure. The firm partners with founders to provide capital, government‑sector expertise, and a robust network that helps navigate public‑sector challenges. By investing primarily in Seed and Series A rounds, J2 aims to accelerate breakthrough innovations that serve both commercial markets and U.S. defense needs.
Portfolio
32+
Employees
15+
Founded
2020
AUM
≈ $400.0M
Funds
Fund II · Vintage 2024 • $150.0M
Brookhaven Fund · Vintage 2025 • $250.0M
Stages
Seed → Series A
Industries
Artificial IntelligenceBiotechnologyCybersecurityInternet of Things
Geographic scope
United States
Sources
Showing 24 of 30 matched portfolio companies
Aalyria develops atmospheric laser communications technology and a software platform for orchestrating networks across land, sea, air, and space, enabling high-speed connectivity without the need for existing infrastructure. This approach addresses the challenge of providing reliable communication in remote and underserved areas, enhancing data transmission capabilities for various applications, including satellite communications and urban mesh networks.
Acalvio provides an AI-powered cyber deception platform that utilizes patented autonomous deception technology to create decoys across IT, OT, and cloud environments, enhancing early threat detection and response. This approach addresses the increasing sophistication of cyber threats, including identity compromises and insider attacks, by diverting and engaging adversaries before they can exploit real assets.
Funding: $78.5M
Rough estimate of the amount of funding raised
Funding: $78.5M
Rough estimate of the amount of funding raised
Aether Biomedical develops the Zeus bionic hand, which features over 150N of grip force and a 35kg lift capacity, enabling upper limb amputees to perform daily activities with strength and precision. The device is designed for easy serviceability, allowing accredited clinicians to repair it in under 30 minutes, ensuring users maintain their independence without prolonged downtime.
Funding: $11.5M
Rough estimate of the amount of funding raised
Funding: $11.5M
Rough estimate of the amount of funding raised
Apex manufactures satellite buses that serve as flexible platforms for payloads, utilizing vertical integration and specialized manufacturing processes to meet diverse mission requirements. The company addresses the growing demand for commercial spacecraft by providing scalable solutions that support various applications, including earth observation and communications.
Funding: $122.0M
Rough estimate of the amount of funding raised
Funding: $122.0M
Rough estimate of the amount of funding raised
Cinder is a unified intelligence platform that centralizes decision-support data for Trust and Safety teams, enabling automated moderation and streamlined case management. By providing real-time insights and customizable AI detection, Cinder addresses the challenges of inconsistent moderation and incomplete data, enhancing operational efficiency and reducing backlog.
Funding: $14.0M
Rough estimate of the amount of funding raised
Funding: $14.0M
Rough estimate of the amount of funding raised
The startup offers an AI-powered automated development platform that translates high-level code into deployable software, streamlining the software development process. Its code chat platform enhances developer productivity by providing context-aware coding suggestions and answering technical questions, enabling faster application development and deployment.
Funding: $16.5M
Rough estimate of the amount of funding raised
Funding: $16.5M
Rough estimate of the amount of funding raised
Druid Software provides a software‑defined private cellular core, Raemis™, that runs on commodity hardware to deliver self‑contained 4G LTE and 5G SA/NSA networks. The platform aggregates multiple operator radio links, includes edge‑computing and network‑slicing capabilities, and supports massive IoT, enabling enterprises and vertical operators to deploy secure, low‑latency private connectivity on‑premise or in remote locations.
EmpressTX offers the Chemilogics™ platform, which uses human genetic data, AI/ML, and co‑evolutionary algorithms to generate drug‑like small molecules that are naturally encoded in the genome. By predicting and prioritizing millions of chemically diverse candidates and enabling rapid synthetic‑biology production, the platform reduces lead‑identification timelines from years to months, providing pharmaceutical and biotech companies with biologically validated starting points for drug development.
Funding: $50.0M
Rough estimate of the amount of funding raised
Funding: $50.0M
Rough estimate of the amount of funding raised
The startup develops ultra-energy-efficient neural network models that utilize nonlinear dynamics and space-time sparsity, inspired by biological neural networks, to enable large-scale processing at the edge. These models provide ultra-low latency, low power consumption, and enhanced user privacy for businesses requiring efficient user interfaces in complex processing tasks.
Funding: $16.3M
Rough estimate of the amount of funding raised
Funding: $16.3M
Rough estimate of the amount of funding raised
Provides a low-code platform for Roblox game developers to manage live operations, enabling instant server updates, A/B testing, and audience segmentation through a centralized dashboard. Helps developers identify player pain points, optimize monetization strategies, and improve engagement metrics by offering real-time analytics and automated insights.
Holly is an AI‑powered platform for government HR and classification teams that automates job specification analysis, draft generation, and compensation benchmarking. It scans existing specs, scores them for clarity, completeness, and equity, and matches duties to over 45,000 public‑sector roles to provide real‑time salary data and compliance checks. Integrated workflow tools route drafts through subject‑matter experts, HR, and management, delivering board‑ready reports and one‑click publishing.
Funding: $2.2M
Rough estimate of the amount of funding raised
Funding: $2.2M
Rough estimate of the amount of funding raised
InfiniG delivers cloud-scale, neutral host mobile coverage as a service (MCaaS) for enterprises struggling with indoor cellular dead zones. Their platform ensures seamless connectivity across all major mobile operators using a simple, secure, and scalable architecture. This solution resolves poor reception in modern buildings, supporting essential services like 911 calls without requiring user intervention.
Kusari provides a software supply chain security platform that continuously maps every component to identify and prioritize actionable risks. The platform traces dependency provenance, enforces automated security policies within the CI/CD pipeline, and generates audit-ready artifacts like signed SBOMs and VEX reports. This enables development and security teams to fix critical threats faster and ensure only compliant code reaches production.
Funding: $8.1M
Rough estimate of the amount of funding raised
Funding: $8.1M
Rough estimate of the amount of funding raised
LightSource is an AI-native procurement intelligence platform that automates RFX processes, supplier discovery, and cost tracking, enabling procurement professionals to streamline their workflows. By providing AI-powered bid analysis and collaboration tools, it enhances supplier relationships and ensures optimal value in sourcing decisions.
Lumia Health develops an in-ear wearable device that utilizes light technology to monitor blood flow to the head, specifically for individuals with conditions like POTS, syncope, and Long Covid. This device, combined with a companion app, enables users to track symptoms such as dizziness and fatigue, facilitating better self-management of their health.
Funding: $5.1M
Rough estimate of the amount of funding raised
Funding: $5.1M
Rough estimate of the amount of funding raised
Mesa Quantum designs and manufactures chip‑scale quantum sensors—including atomic clocks, accelerometers, gyroscopes, magnetometers, and gravimeters—that combine high precision with low size, weight, and power (SWaP). Leveraging VCSEL‑driven photonics and temperature‑hardened packaging, the sensors are built for volume production and can replace GPS‑dependent timing and positioning in defense, aerospace, autonomous vehicles, telecom, and consumer electronics.
Micron Biomedical, Inc. utilizes a proprietary dissolvable microarray technology to deliver vaccines and therapeutics without needles, enabling painless self-administration. This approach addresses the challenges of cold chain logistics, reduces medical waste, and increases access to life-saving medications for individuals in various settings.
The startup develops an AI-based content moderation system specifically designed for social media platforms, utilizing machine learning algorithms to detect and eliminate harmful content and fraudulent users. This technology ensures a safer online environment by maintaining the integrity of user-generated content and enhancing user trust.
Nametag is an identity verification platform that utilizes cryptography, biometrics, and AI to prevent account takeovers and deepfake attacks during user verification. By enabling self-service account recovery and automated helpdesk verification, it reduces lockout resolution time by 60% and decreases helpdesk ticket volume by up to 50%.
Funding: $6.5M
Rough estimate of the amount of funding raised
Funding: $6.5M
Rough estimate of the amount of funding raised
Oura Ring provides a smart ring that continuously tracks over 50 biometric signals—including heart rate, HRV, respiration, temperature, SpO₂, and movement—to deliver daily Sleep, Readiness, and Activity scores via its app. A subscription membership unlocks AI‑driven insights such as cardiovascular age, menstrual cycle predictions, stress and recovery analytics, and personalized health guidance, helping users optimize performance, detect early signs of illness, and support long‑term wellbeing.
Founded 2013
500+
Approximate amount of employees
Funding: $200.0M
Rough estimate of the amount of funding raised
Funding: $200.0M
Rough estimate of the amount of funding raised
The startup operates a microfluidic design platform that enables researchers to rapidly prototype microfluidic devices, minimizing the time spent on sourcing components. This streamlined process allows for efficient transition from concept to scalable design, ultimately enhancing research capabilities aimed at improving global human health.
Paravision offers AI‑driven biometric APIs that deliver face‑recognition, liveness detection, deepfake detection, and age‑estimation with sub‑0.1 % false‑accept rates across diverse demographics, lighting conditions, angles, and masked faces. The modules run on cloud, edge, or mobile runtimes with low‑latency inference and GDPR‑compliant encryption, serving identity verification platforms, financial services, travel security, and retail payment processors.
Funding: $23.0M
Rough estimate of the amount of funding raised
Funding: $23.0M
Rough estimate of the amount of funding raised
Phoenix Semiconductor produces legacy microelectronic components on demand and at scale, utilizing advanced semiconductor manufacturing techniques to address the critical shortages caused by supply chain disruptions. This enables customers to regain control over their product lifecycles by providing a reliable source of late-generation chips that are otherwise unavailable.
Funding: $750.0K
Rough estimate of the amount of funding raised
Funding: $750.0K
Rough estimate of the amount of funding raised
Provides real-time data integration and analysis software for the defense industry, delivering actionable edge data directly to decision-makers. This eliminates reliance on human operators to interpret context and circumstances, enabling faster, more informed decision-making in national security operations.
Showing 2 of 2 unmatched portfolio companies