.406 Ventures is a venture capital firm. Based in Boston, Massachusetts, United States. The known portfolio counts 10 companies, including RAD Security, Lynx, Big Health, FamilyWell Health, Diana Health and Mindgard.
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Investment focus
- Sector
- AIFinTechHealthcareSaaS
Contacts
Who to pitch at .406 Ventures
.406 Ventures portfolio companies (10)
- RAD Security
- Lynx
- Big Health
- FamilyWell Health
- Diana Health
- Mindgard
- RapidFire AI
- Valerie Health
- Nema Health
- Bluebird Kids Health
Co-investors
Funds that share portfolio companies with .406 Ventures.
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About .406 Ventures
The firm's listing covers sectors AI, FinTech, Healthcare and SaaS, and focus areas AI Applications, Analytics, Cloud Infrastructure and Cybersecurity; known deals cluster at Growth, Pre-Seed and Seed.
The team counts 10 people in our database. Liam Donohue (Founder and Managing Partner of .406 Ventures) and So June Min (Managing Director) are shown as the contacts to pitch.
Across the known portfolio, 20 co-investors appear alongside .406 Ventures, including GreyMatter, WillowTree Ventures and The Blue Venture Fund.
Frequently asked questions
What is .406 Ventures?
.406 Ventures is a venture capital firm based in Boston, Massachusetts, United States, with a known portfolio of 10 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does .406 Ventures invest in?
Listed sectors include AI, FinTech, Healthcare and SaaS; listed focus areas include AI Applications, Analytics, Cloud Infrastructure and Cybersecurity. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does .406 Ventures invest at?
The known deals of .406 Ventures include Growth, Pre-Seed and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at .406 Ventures?
2 of the 10 people on file at .406 Ventures are listed as contacts for the firm. All 10 have their own profile page.
How do I contact .406 Ventures?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 10 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal