Underscore VC

Venture Capital

Boston-based venture capital firm backing bold early-stage B2B software founders at Pre-Seed and Seed stages globally.

Boston, United States · 41+ investments · 52 portfolio companies

Pre-Seed
Seed
SaaS
AI / ML
Fintech
Healthcare
Headquarters
Boston, United States
Founded
2015
AUM
$250.0M
Portfolio Companies
52
Total Investments
41
Last Investment
Jul 2025
Geographic Focus
United States

Investment Thesis

Backing bold B2B software entrepreneurs at Pre-Seed and Seed stages through an 'open-source' investing model that profit-shares with the Underscore Core Community — a network of operators and experts aligned with founders' success.

Underscore VC is a Venture Capital firm based in Boston, United States. It has made 41 investments in SaaS and AI / ML, including Copley, IOpipe and Slang.

Portfolio52

Investment History

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