J2 Ventures — Full Portfolio
38 tracked investments · listed companies and verified rows first
Code Metal builds "Provable AI" software that helps engineering teams translate, verify, and optimize code across programming languages, architectures, and hardware targets while preserving behavior.
AI & Machine LearningDeep TechDeveloper ToolsBoston, US
Richard Alexander Showalter-Bucher(Director, Promoter)Peter Morales(Co-Founder & CEO)Ryan Aytay(President & COO)Alex Showalter-Bucher(Co-Founder & SVP of Technology)Laura Shen(EVP & Head of Growth)Jennifer Paau(SVP of Business Operations & Strategy)
Board seatAlexander Harstrick· per SEC Form D
Acalvio provides ShadowPlex, a deception-based security platform that detects reconnaissance, credential misuse, and lateral movement during red and purple team exercises across IT, cloud, and OT environments.
AI & Machine LearningCloud ComputingCybersecurityDefense TechEnterprise SoftwareSilicon Valley, US
Apex manufactures productized satellite bus platforms at scale for constellation deployment and critical missions.
Advanced ManufacturingDefense TechHardwareSpace TechLos Angeles, US
Ian Cinnamon(CEO)inMax Benassi(CTO)in
Removing execution friction between modern technology companies and the U.S. national security ecosystem
Menlo Park, US
Rachel Olney(Director and Secretary)Peter Dixon(Director and Chief Executive Officer)William Treseder(Director, Chief Financial Officer and Treasurer)
Cinder provides trust and safety infrastructure that uses AI agents to detect and act on abuse, fraud, and policy-violating content such as CSAM, extremism, and adult content across online platforms.
AI & Machine LearningCybersecuritySaaS
Druid Software develops cellular core network software for private 4G, LTE, and 5G networks, enabling businesses to run their own mobile communications for use cases such as IoT connectivity, mobile edge computing, and public safety networks.
Enterprise SoftwareIoTSaaS
Empress provides drug discovery teams with an industrialized Perturb-seq platform that combines CRISPR-based single-cell functional genomics, chemoproteomics, and multi-omics with causal machine learning to identify what drives activity, efficacy, and risk.
AI & Machine LearningBiotechDeep Tech
San Bruno, US
Sam Fok(Executive Officer, Director)Kwabena Boahen(Director)Nick N. Oza(Executive Officer)Wen Hsieh(Director)
BoardShyam Kamadolli(Director)Ingrid Burton(Director)
Flashpass provides a white-labeled workforce education platform for trade schools, community colleges, non-profits, and state agencies, helping them secure state workforce funding, launch pre-built microcredential programs in fields like oil & gas, cybersecurity, data, and AI, recruit students, and place graduates with employers.
EdTechFuture of WorkSaaS
iCOUNTER provides CTOS (Counter Threat Operating System), a platform that detects active threats targeting an organization's third-party vendors, suppliers, MSPs, SaaS providers, and broader digital ecosystem in near real-time.
CybersecurityEnterprise SoftwareSaaS
InfiniG offers a neutral host system that provides in-building mobile connectivity for enterprises and venues that need enhanced coverage, working in partnership with mobile network operators.
Enterprise SoftwareHardwareIoT
Kusari provides visibility and remediation across software supply chains through vulnerability detection, dependency mapping, and automated fixes.
CybersecurityDeveloper ToolsSaaSRidgefield, US
Parth Patel(Executive Officer, Director)Tim Miller(Executive Officer, Director)Michael Lieberman(Executive Officer, Director)
LightSource provides an AI-powered operating system that connects engineering, procurement, and suppliers in one platform, handling BOM management, RFQs, bid normalization, tariff exposure analysis, and supplier award decisions.
Advanced ManufacturingAI & Machine LearningSaaS
Lumia builds smart earring wearables (Lumia 2) that continuously track over 20 health metrics — including blood flow, sleep stages, readiness, hormonal cycle, and activity — via sensors placed in the ear, paired with a companion app.
Digital HealthHardwareHealthtechWellness & FitnessAllston, US
DANIEL LEE(Executive Officer, Director)Paul Jin(Executive Officer, Director)
BoardJONATHAN BRONSON(Director)
Mesa Quantum develops chip-scale quantum sensors — including atomic clocks, gyroscopes, magnetometers, and gravimeters — for industrial and defense applications, with a focus on Alternative Position, Navigation, and Timing (Alt-PNT) as a GPS backup.
Defense TechHardwareQuantum Computing
Wale Lawal(CTO)
Micron Biomedical develops a dissolvable microarray technology that delivers vaccines and medicines through the skin without needles, enabling painless self-administration in seconds to minutes.
BiotechHealthtechMedical Devices
Musubilabs provides AI-powered content moderation and Trust & Safety systems for online communities that prioritize human oversight, transparency, and real-time learning.
AI & Machine LearningEnterprise SoftwareSaaS
Tom(CEO & Co-founder)Fil(Chief AI Officer & Co-founder)
Nametag provides a meta-layer that integrates user data from IAM providers, SIEM platforms, ITSM solutions, and HRIS systems to enable stronger identity verification and automate identity management tasks like self-service MFA and password resets.
CybersecurityEnterprise SoftwareSaaS
Paravision develops AI-powered identity verification and authentication tools, including face recognition, liveness detection, deepfake detection, and age estimation products.
AI & Machine LearningCybersecurityDeep Tech
Phoenix Semiconductor manufactures drop-in replacement chips for obsolete semiconductors without requiring new silicon fabrication or original wafers.
Advanced ManufacturingDeep TechSemiconductorsAustin, US
BoardRyan Hatcher(Executive Officer, Director)inJonathan Bronson(Director)inDidier Thibaud(Director)in
Principal Mineral builds resilient supply chains for critical minerals and materials—such as copper foil, refined rare earth elements, and EMI shielding—used in defense, AI, energy, and advanced manufacturing.
Deep TechDefense TechNew Materials
Redcoat AI provides a cybersecurity platform focused on defending organizations against AI-driven social engineering attacks such as phishing, smishing, and deepfake impersonation.
AI & Machine LearningCybersecurityEnterprise Software
John Whaley(CEO and Co-founder)Kelly Byrd(Co-Founder)Mike Morris(Co-Founder)
Safi Biotherapeutics manufactures adult stem-cell derived human red blood cells (mRBCs) as a cell therapy blood transfusion product, aiming to produce them at industrial scale for civilian and military transfusion needs.
BiotechDeep TechHealthtech
Sealonix develops hemostatic sealants based on proprietary biomaterials to control surgical bleeding, targeting surgeons and patients undergoing abdominopelvic and other surgical procedures.
BiotechMedical DevicesNew MaterialsBedford, US
Amarpreet Sawhney(Executive Officer, Director)Amar Sawhney(Founder)
Somnair develops a non-invasive neurostimulation therapy for treating obstructive sleep apnea at home.
HardwareHealthtechMedical Devices
Tasso develops diagnostic testing devices and platforms for home use, enabling patients to perform health monitoring and inform clinical decisions outside traditional healthcare settings.
Digital HealthHealthtechMedical DevicesSeattle, US
Ben Casavant(Co-Founder and Chief Executive Officer)Erwin Berthier(Co-Founder and Chief Technology Officer)Alan Levy(Director)
BoardElizabeth Hambrecht(Director)Paul Conley(Director)
Unit 221B is a threat disruption company providing threat intelligence, cybersecurity, and digital forensics/incident response services—including red and purple team engagements, penetration testing, and ransomware recovery—for enterprises, law enforcement, and government agencies.
CybersecurityDefense Tech
VectorWave enables dynamic spectrum sharing by processing raw wireless signals in real-time to allow multiple systems to coexist and prioritize frequencies efficiently rather than relying on fixed spectrum allocations.
Deep Tech
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.