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.406 Ventures

Boston, MA406-VENTURES
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Dossier Summary

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Classification
Slug406-ventures
HQBoston, MA
Stage FocusPrimarily Series A and B investments in B2B SaaS, with ch…
Intel StatusAccepting submissions
🔥 BERNIE'S HOT TAKE

.406 is a solid, no-nonsense Boston fund that knows enterprise software inside and out. They're not chasing every hot trend, which is refreshing, but they can be pretty conservative and slow to move on deals. Liam Donohue is genuinely helpful post-investment and has real operational chops from his Bessemer days. The firm punches above its weight in terms of portfolio quality, but they're not going to lead your round unless they're really convinced. They prefer founders who can articulate clear unit economics and have some early enterprise traction.

KEY TAKEAWAYS
  • Best for: B2B SaaS founders with proven enterprise traction and clear monetization
  • Watch out for: Conservative deal pace and preference for obvious winners over moonshots
  • Known for: Strong post-investment support and deep enterprise software expertise
Investment Thesis

.406 Ventures focuses on early-stage B2B software companies, particularly in vertical SaaS, fintech, and workflow automation. They claim to partner with founders building category-defining companies that digitize traditional industries.

Stage & Sector Focus

Primarily Series A and B investments in B2B SaaS, with check sizes typically $3-10M. Heavy focus on vertical software, fintech infrastructure, and workflow tools for traditional industries like construction, healthcare, and manufacturing.

Notable Portfolio
ProcoreToastSimpliSafeDrizlyLogMeInWayfairCarGurusRapid7
Key Partners
Liam Donohue
General Partner

Former Bessemer partner with deep SaaS expertise. Known for leading Toast's Series A and being hands-on with go-to-market strategy. Founders appreciate his operational experience and direct communication style.

Maria Cirino
General Partner

Former Accomplice partner who joined in 2019. Previously spent time at Microsoft and has strong enterprise software background. Known for being thesis-driven and systematic in her approach to deals.

Tim Julien
General Partner

Co-founded the firm and has been investing in Boston tech for over two decades. Led early investments in Wayfair and CarGurus. Respected for his pattern recognition but can be old-school in his approach.

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