J2 Ventures, established in 2020 and headquartered in Boston, Massachusetts, with an additional office in New York, is a venture capital firm focused on investing in early-stage companies. The firm specializes in leading-edge technology with dual-use applications, benefiting both national security and the commercial sector. J2 Ventures primarily invests in startups operating in artificial intelligence, machine learning, healthcare, and material science. As a Registered Investment Adviser (RIA), the firm is committed to providing strategic guidance and resources to its portfolio companies.
LightSource develops a supply chain management platform to help professionals collaborate with their suppliers. It also allows collaborating with teammates on strategic sourcing projects, sending RFQs to suppliers and collecting quotes, and comparing bids using insights automatically extracted from the normal day-to-day work. The company was founded in 2021 and is headquartered in San Francisco, California.
Musubi
Seed Round in 2025
Musubi is an AI company specializing in content moderation and fraud detection for social media platforms. It deploys AI-driven solutions to identify and remove malicious users and harmful content, ensuring safe and secure environments for users.
Lumia Health
Venture Round in 2025
Lumia Health is a digital health company focused on enhancing the quality of life for individuals with cardiovascular and neurological conditions, specifically targeting orthostatic syndromes. The company develops sensor-enabled wearable technology, including an in-ear device that utilizes artificial intelligence to monitor blood flow to the head. This innovative approach helps patients better understand symptoms like dizziness, brain fog, headaches, and fatigue that can arise when standing. By providing timely and critical health data, Lumia Health empowers patients to take preventive measures against potential health issues. The company's offerings include health data analysis and tracking solutions, aimed at delivering essential insights for better health management.
Micron Biomedical
Series A in 2025
Micron Biomedical is a clinical-stage biopharmaceutical company established in 2014 and located in Atlanta, Georgia. The company focuses on developing microneedle patches specifically for vaccines, including those for influenza and polio. Its innovative microneedle technology aims to improve protective and therapeutic effects while enhancing patient compliance and simplifying the administration process. By leveraging this technology, Micron Biomedical seeks to facilitate the development of effective vaccines, addressing important public health needs.
Holly
Pre Seed Round in 2025
Holly is an AI-driven technology company specializing in modernizing government hiring processes. It operates a human resource platform that provides AI-powered tools and databases, enabling public sector organizations to create more effective job postings, make data-driven compensation decisions, and enhance performance management. By offering real-time data and insights, Holly helps eliminate hiring barriers and improve employee satisfaction.
Druid Software
Venture Round in 2025
Druid Software specializes in developing private cellular network platforms, focusing on 4G and 5G technology. Its core offerings include virtualized mobile core network technology and services, catering primarily to business users. Druid's solutions encompass 4G, 3G, and 2G core and access network technology, enabling global system integrators and network equipment providers to deliver tailored mobile communication solutions for enterprise needs.
Parallel Fluidics
Seed Round in 2024
Parallel Fluidics is a microfluidics manufacturing company based in Boston, founded in 2019 by engineers aiming to address challenges in obtaining high-quality microfluidic prototypes efficiently. The company has developed a design platform that enables the rapid production of microfluidic prototypes, allowing researchers to minimize the time spent sourcing components and focus more on their scientific work. By facilitating the transition from concept to scalable design, Parallel Fluidics supports advancements in microfluidic technology that contribute to improvements in human health globally.
Safi Biosolutions
Seed Round in 2024
As the cell therapy commercialization partner of a 5-year Department of Defense program to manufacture on-demand blood products, Safi Biosolutions and its collaborators are working to ‘crack the code’ of Cell Therapy 2.0 challenges of manufacturing at appropriate scale, high consistency of product, and economically viable cost of goods by integrating world-leading expertise in cord blood stem cell expansion, bioprocessing optimization, manufacturing scale-up and cryostorage.
Mesa Quantum
Seed Round in 2024
Mesa Quantum is an electronics manufacturing company focused on developing advanced quantum technology solutions. It specializes in photonic quantum computing hardware, offering integrated chip-scale systems that encode and manipulate quantum information. This innovative approach aims to enhance computing power by providing significant advantages in scalability and stability over traditional methods. By leveraging its technology, Mesa Quantum enables customers to tackle complex problems that are difficult or impossible to solve with classical computing systems.
Gamebeast
Pre Seed Round in 2024
Gamebeast is a technology company that specializes in providing a low-code tool for game developers. Its platform is designed to enhance user-generated content (UGC) games, focusing on live engagement and monetization analytics. The company's tool automatically identifies player pain points and enables real-time updates, allowing developers to optimize in-game sales and promotions, thereby creating a more engaging and rewarding gaming experience.
Apex - Spacecraft Manufacturing
Series B in 2024
Apex is a manufacturer of commercial orbital transportation services spacecraft satellite buses that are designed to provide an approach to space. The company specializes in a combination of software, vertical integration, and hardware for spacecraft manufacture, allowing space enterprises to execute their missions by communicating with and launching vehicles using spacecraft.
Redcoat AI
Seed Round in 2024
Redcoat AI specializes in developing cybersecurity solutions aimed at combating social engineering attacks, particularly those targeting mobile devices. The company focuses on providing robust mobile defense systems that protect users from AI-enhanced threats. By integrating realistic attack simulations, Redcoat AI fosters ongoing vigilance and awareness among users, adapting to evolving tactics employed by malicious actors. This approach not only safeguards individuals but also offers companies effective security and authentication tools, streamlining the verification process in the face of emerging real-world threats.
Kusari
Seed Round in 2024
Kusari is a company focused on software supply chain security, offering solutions aimed at safeguarding the development process. The company seeks to enhance transparency within the software supply chain and to facilitate secure development practices. Its flagship product, GUAC (Graph for Understanding Artifact Composition), is designed to maintain the integrity and security of the software supply chain. Kusari's platform actively prevents and responds to supply chain attacks, providing essential abstractions and definitions with security guardrails that ensure compliance with supply chain security standards. By leveraging metadata, Kusari delivers deep visibility into security issues, allowing users to understand their implications and effectively address root causes. This enables clients to establish secure pipelines and build confidence in their software supply chain.
Cinder Technologies
Venture Round in 2024
Cinder Technologies operates a unified intelligence and investigation platform designed to support decision-making in fraud and risk management. This platform enables technology companies to effectively track, investigate, and address critical issues within online communities. By integrating various relevant data sources and centralizing decision-making processes, Cinder empowers trust and safety teams to make faster and more accurate decisions regarding abusive content, fraud, and threats. The customizable workflows provided by the platform enhance the capabilities of investigative teams, facilitating more effective resolutions to pressing challenges faced by organizations in the digital landscape.
LightSource
Venture Round in 2024
LightSource develops a supply chain management platform to help professionals collaborate with their suppliers. It also allows collaborating with teammates on strategic sourcing projects, sending RFQs to suppliers and collecting quotes, and comparing bids using insights automatically extracted from the normal day-to-day work. The company was founded in 2021 and is headquartered in San Francisco, California.
Code Metal
Seed Round in 2023
Code Metal is a developer of an AI-powered automated development platform designed to streamline the software creation process. The platform translates high-level code into deployable, production-ready applications, enhancing efficiency for developers. Additionally, Code Metal offers a code chat feature that assists developers by answering coding questions and suggesting subsequent lines of code based on the context of the repository. This functionality allows developers to write code more quickly and effectively, ultimately facilitating faster application development and launch.
Aether Biomedical
Series A in 2023
Aether Biomedical is a medical robotics startup dedicated to advancing rehabilitation robotics through AI-based biomedical signal processing. The company's flagship product, Zeus, is a multi-action bionic limb designed to provide an effective and affordable solution for upper limb amputees. By utilizing sophisticated biosignal processing, Aether Biomedical's devices enable users to achieve functional prosthesis capabilities, including a firm grasp that facilitates everyday activities. The individual control of the fingers allows the bionic limb to adapt to various objects, enhancing the quality of life for patients and integrating advanced medical technology into their daily routines.
Apex - Spacecraft Manufacturing
Series A in 2023
Apex is a manufacturer of commercial orbital transportation services spacecraft satellite buses that are designed to provide an approach to space. The company specializes in a combination of software, vertical integration, and hardware for spacecraft manufacture, allowing space enterprises to execute their missions by communicating with and launching vehicles using spacecraft.
Lumia Health
Seed Round in 2023
Lumia Health is a digital health company focused on enhancing the quality of life for individuals with cardiovascular and neurological conditions, specifically targeting orthostatic syndromes. The company develops sensor-enabled wearable technology, including an in-ear device that utilizes artificial intelligence to monitor blood flow to the head. This innovative approach helps patients better understand symptoms like dizziness, brain fog, headaches, and fatigue that can arise when standing. By providing timely and critical health data, Lumia Health empowers patients to take preventive measures against potential health issues. The company's offerings include health data analysis and tracking solutions, aimed at delivering essential insights for better health management.
SkyFi®
Seed Round in 2023
SkyFi® is an Earth intelligence platform that provides a seamless way to access and analyze diverse geospatial data, including satellite, aerial imagery, and more. Available on a web browser, mobile phone, and through an API, the SkyFi® enables users to gather intelligence from multiple data types to solve complex problems in industries like agriculture, urban planning, and environmental management.
Sealonix
Series A in 2023
Sealonix is engaged in the development and commercialization of hemostatic sealants aimed at enhancing surgical procedures. The company is advancing its proprietary biomaterials to create a sealant patch that facilitates rapid hemostasis during abdominopelvic and orthopedic operations. This innovative PramStat patch is designed to bioabsorb within one week of implantation, providing an efficient solution for the healthcare industry in managing bleeding during surgeries.
Micron Biomedical
Series A in 2023
Micron Biomedical is a clinical-stage biopharmaceutical company established in 2014 and located in Atlanta, Georgia. The company focuses on developing microneedle patches specifically for vaccines, including those for influenza and polio. Its innovative microneedle technology aims to improve protective and therapeutic effects while enhancing patient compliance and simplifying the administration process. By leveraging this technology, Micron Biomedical seeks to facilitate the development of effective vaccines, addressing important public health needs.
Nametag
Venture Round in 2023
Nametag is the first secure solution for self-service password and MFA resets. Learn more: getnametag.com.
Apex - Spacecraft Manufacturing
Seed Round in 2022
Apex is a manufacturer of commercial orbital transportation services spacecraft satellite buses that are designed to provide an approach to space. The company specializes in a combination of software, vertical integration, and hardware for spacecraft manufacture, allowing space enterprises to execute their missions by communicating with and launching vehicles using spacecraft.
Femtosense
Series A in 2022
Femtosense is a technology company focused on developing ultra-energy-efficient neural network models that facilitate large-scale neural network processing at the edge. By leveraging nonlinear dynamics and space-time sparsity inspired by biological neural networks, Femtosense's models optimize performance-per-joule for complex processing tasks. This innovation enables businesses to implement user interfaces that offer ultra-low latency, reduced power consumption, and enhanced user privacy.
Aalyria
Series A in 2022
Aalyria, a spinout from Google, focuses on enhancing connectivity through advanced networking and laser communication technologies. The company aims to facilitate seamless satellite communications, onboard Wi-Fi for aircraft, and various forms of cellular connectivity. Aalyria's technology is designed to operate across diverse environments, including land, sea, air, and space, regardless of altitude or orbital type. By supporting all radio frequency bands and optical wavelengths, Aalyria enables clients to build resilient networks and optimize the profitability of their spectrum. Its mission is to manage complex communications networks that deliver hyper-fast and ultra-secure connections, addressing the increasing demand for reliable communication solutions in various sectors.
Acalvio
Series D in 2022
Acalvio is a cybersecurity company based in Silicon Valley, specializing in deception technology to protect against advanced security threats. Their flagship product, the ShadowPlex Cyber Deception Platform, leverages 25 issued patents in autonomous deception and advanced AI to offer solutions such as Identity Threat Detection and Response (ITDR), Advanced Threat Detection, OT Security, Zero Trust, Active Directory Protection, and Ransomware Protection. Acalvio's technology is designed to reduce the time attackers spend undetected within a network by enabling early threat detection and enhancing the efficiency of security operations centers through sophisticated investigation and active threat-hunting capabilities. The company serves Fortune 500 enterprises and government agencies, with deployment options including on-premises, cloud, and managed service providers.
Oura
Venture Round in 2022
Oura is a Finnish company that specializes in the development of a smart wellness ring designed to monitor and track various biometric data related to health and well-being. The ring incorporates advanced sensors to measure key metrics such as heart rate, sleep cycles, and activity levels, providing users with insights into their physiological and behavioral responses to sleep, rest, and recovery. This data is accessible through the accompanying Oura application, which enables users to understand their overall health status and make informed lifestyle choices. Oura operates within the health and wellness industry, focusing on enhancing the user's understanding of their body and promoting better health outcomes.
SkyFi®
Seed Round in 2022
SkyFi® is an Earth intelligence platform that provides a seamless way to access and analyze diverse geospatial data, including satellite, aerial imagery, and more. Available on a web browser, mobile phone, and through an API, the SkyFi® enables users to gather intelligence from multiple data types to solve complex problems in industries like agriculture, urban planning, and environmental management.
Phoenix Tailings
Venture Round in 2022
Phoenix Tailings Inc. is a Massachusetts-based company that focuses on the recycling and re-mining of mining tailings and hazardous by-products, such as Bauxite Residue, to produce essential metal products. Founded in 2019, the company aims to extract strategic materials critical to various industries, including aerospace, defense, automotive, biotechnology, and electronics. By treating mining and refining waste as new ore, Phoenix Tailings provides an innovative solution to eliminate hazardous environmental waste while creating primary metals sustainably and economically. This approach not only addresses the demand for metals in multiple sectors but also promotes environmentally friendly practices by offering carbon-free alternatives.
Plato Systems
Venture Round in 2022
Plato Systems is a technology company based in San Mateo, California, that specializes in digital transformation and industrial automation through its unique Spatial Intelligence system. The company leverages its Deep Fusion perception technology to monitor and analyze activity patterns of people, equipment, and assets within industrial environments. This innovation positions Plato as the pioneer of a Tagless Activity Tracking platform, which delivers decision-quality insights aligned with specific business objectives. By employing radar technologies and advanced machine learning techniques, Plato Systems enables businesses to enhance efficiency and optimize resource utilization.
Tasso
Series B in 2021
Tasso, Inc., established in 2012 and based in Seattle, Washington, specializes in manufacturing clinical-grade, at-home blood sample collection devices. Their innovative product allows patients to conveniently and painlessly collect their own blood at home using a simple, push-button mechanism, and then mail the samples to a qualified lab for analysis. This approach aims to enhance accessibility and comfort in blood-based diagnostics, reducing the need for clinic visits.
Shift5
Series A in 2021
Shift5, Inc. is a cybersecurity company founded in 2019 and based in Arlington, Virginia. The company specializes in developing hardware and software solutions to safeguard operational technology platforms, including aircraft, satellites, ground combat vehicles, and large-scale mining and construction equipment. Shift5's offerings include the Shift5 Intake, a data recorder that collects and transmits embedded data in real time to identify intrusions, and the Shift5 Engine, which employs both rule-based and model-based analytics to detect cyber threats within internal communication networks. Additionally, the company provides the Shift5 Gauge Cluster for data capturing and analytics, along with features for intrusion detection, secure code delivery verification, and fault reporting, aimed at protecting both government and commercial systems from cyber attacks.
Primer
Series C in 2021
Primer Technologies, Inc., established in 2014 and headquartered in San Francisco, specializes in developing software that leverages machine learning and natural language processing to analyze vast amounts of textual data across multiple languages. Its platform automates the parsing and collation of documents, uncovering insights and generating reports comparable to those produced by human analysts. This enables governments and corporations to better understand and monitor global information, facilitating informed decision-making.
Paravision
Venture Round in 2021
Paravision is a San Francisco-based company that specializes in developing advanced face recognition software, primarily for security device manufacturers, solution providers, systems integrators, and financial services firms. Founded in 2013 and originally known as Ever AI until its rebranding in 2019, Paravision leverages deep learning to create industry-leading Vision AI solutions. The company's technology enhances security and user experience by offering capabilities such as age, gender, emotion, and ethnicity detection, facilitating personalized customer interactions and improved security measures. Paravision's commitment to innovation is evident in its high rankings in various NIST evaluations, where it has demonstrated exceptional performance in face recognition accuracy, security, and convenience across diverse identity-centric applications worldwide. With a focus on modular and scalable solutions, Paravision aims to set new standards in face recognition technology.
Ravn
Pre Seed Round in 2019
Ravn Inc. is an augmented reality company based in San Francisco, California, that specializes in providing a platform for the defense sector. Established in 2017, the company develops software that delivers real-time battlefield and anticipatory intelligence to soldiers and service members through video feeds from autonomous drones and aircraft. Ravn's platform aims to enhance decision-making in military operations by supplying actionable edge data, which is crucial for effective coordination and strategy in national security. By focusing on the delivery of reliable information, Ravn addresses the challenges of data abundance and the need for contextual understanding in defense scenarios.
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