J2 Ventures
VC Fund
Boston, United States
J2 Ventures is a VC fund in Boston focused on Information Technology and Artificial Intelligence. J2 Ventures operates as a venture capital firm. J2 Ventures is focused on leading-edge technology with dual-use applications to national security and the commercial sector
- Total investments:
- 53
- Last investment:
- Lead investor:
- 40%
- Last fund:
Last updated:
For AI agents: llms.txt
Industries J2 Ventures invests in
Stages J2 Ventures invests in
Countries J2 Ventures invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
1 more contact available
Round size
- Seed
- $3M–$13M
- Series A
- $5.8M–$33M
Investment Focus
Industry
- Information Technology 8 (15%)
- Artificial Intelligence 8 (15%)
- Software 7 (13%)
- Manufacturing 5 (9%)
- Medical 4 (8%)
Stage
- Seed 17 (32%)
- Series A 10 (19%)
- Funding Round 6 (11%)
- Pre-Seed 4 (8%)
- Series B 4 (8%)
Country
- United States 29 (55%)
- Poland 1 (2%)
- Finland 1 (2%)
- Ireland 1 (2%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Jonathan Bronson
Co-founder and Managing Partner
|
Co-founder and Managing Partner | Total investments: 5 | Find email | |
Matt Goldman
General Partner
|
General Partner | Total investments: 1 | Find email | |
Tom Hennessey
Co-Founder&Venture Partner
|
Co-Founder&Venture Partner | Total investments: 0 | Find email | |
Tom Hennessey
Venture Partner; Co-Founder&Venture Partner
|
Venture Partner; Co-Founder&Venture Partner | Total investments: 1 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
Inner Logic
|
Inner Logic serves as the development infrastructure for the next generation of procedural devices, including orthopedic implants, heart valves, and surgical robots. | $11.5M / Seed / Jul 22, 2026 | |
Arkenstone Defense
|
Arkenstone Defense provides an operating infrastructure platform that integrates government contracting and regulatory compliance into a centralized system for commercial technology companies. The platform manages complex defense requirements, including cleared workforce payroll, personnel security, audit readiness, and technical accreditationframeworks like CMMC and FedRAMP. By embedding these back-office operational controls directly into client environments, the company eliminates the administrative barriers that prevent commercial innovators from selling to the federal market. | $35M / Seed / Jul 07, 2026 | |
Principal Mineral
|
Principal Mineral develops and scales domestic production of strategic metals, high-performance alloys, and advanced materials derived from industrial mineral sources. The company processes finished industrial mineral outputs and materials containing minerals from mining, recycling, and manufacturing streams. It serves the critical mineralsindustry as a manufacturer of metal products and alloys used in industrial and strategic applications. Principal Mineral also operates as a distributor and broker of these goods, coordinating supply across multiple material categories. Its activities focus on supporting secure supply of metals and advanced materials for customers that depend on critical mineral inputs. | $280M / Venture - Series Unknown / Jun 16, 2026 | |
Flashpass
|
Flashpass is an online social media certification designed for universities and startup accelerators. | $4.3M / Seed / Apr 09, 2026 | |
Aalyria
|
Aalyria develops network orchestration software and optical communication technologies for space and terrestrial connectivity. The company provides a platform called Spacetime that manages routing, resource allocation, and link optimization across satellites, aircraft, maritime systems, and ground networks. It also offers Tightbeam, a laser-basedcommunication technology designed to transmit high-bandwidth data through atmospheric and space environments. Aalyria’s solutions support government and commercial programs that require secure, resilient, and scalable communications infrastructure. The company works with satellite operators, defense organizations, and telecommunications providers to coordinate complex, multi-domain networks. | $100M / Series B / Feb 23, 2026 | |
Code Metal
|
AI-Powered development at the Edge | $125M / Series B / Feb 19, 2026 | |
SkyFi®
|
SkyFi provides a self-service Earth intelligence platform that lets users access and order satellite imagery, run geospatial analytics, and obtain open and commercial Earth observation data. The platform integrates imagery from optical, SAR, hyperspectral, and other sensors and offers tools like object detection and commodity measurement to turnraw data into usable insights for various operational needs. SkyFi also provides data through APIs and web/mobile interfaces, enabling satellite tasking, archive search, and maritime tracking services. The company’s products span commercial imagery ordering, free open data, analytics modules, and partner-powered access to specialized constellations and vessel tracking feeds. | $12.7M / Series A / Jan 14, 2026 | |
|
Code Metal
|
AI-Powered development at the Edge | $36.5M / Series A / Nov 12, 2025 | |
Unit 221b
|
Unit 221b is an online cyber security firm focusing on providing its clients with all the tools necessary to prevent cyber hacks. | $5M / Seed / Sep 22, 2025 | |
VectorWave
|
VectorWave is a technology business dedicated to providing enhanced solutions for spectrum access and coexistence in tough and congested electromagnetic settings. | $2.5M / Seed / Jun 11, 2025 | |
| See all 53 investments → | |||
Co-Investors
Access 48,091 investors
822 industries, 177 countries. Updated daily. Emails and phones included.
Browse database — It's Free!
Find investors for your startup
Search 48,091 investors by industry and country. Emails and phones included.
Similar Investors
Similar industry
Featured in Investor Lists
Recommended lists
FAQ
What does J2 Ventures invest in?
J2 Ventures invests primarily in Information Technology, Artificial Intelligence and Software startups, most often at Seed and Series A stage. Most of the 53 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is J2 Ventures's check size?
J2 Ventures typically joins rounds of $3M–$13M at Seed and $5.8M–$33M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds J2 Ventures participates in.
How do I contact J2 Ventures?
Public channels for J2 Ventures include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at J2 Ventures?
The team at J2 Ventures includes Jonathan Bronson (Co-founder and Managing Partner), Matt Goldman (General Partner) and Tom Hennessey (Co-Founder&Venture Partner). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
Contact your first 100 investors today
Find who invests in your industry, stage, and country. Download investor list with emails in 5 minutes.
Find investors — It's Free!
Continue with Google
Continue with LinkedIn
