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 · 42+ investments · 54 portfolio companies

Pre-Seed
Seed
SaaS
AI / ML
Fintech
Healthcare
Headquarters
Boston, United States
Founded
2015
AUM
$250.0M
Portfolio Companies
54
Total Investments
42
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 42 investments in SaaS and AI / ML, including Copley, IOpipe and Slang.

Portfolio54

Co-investors24

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24 co-investors across 72 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×20 · Hedge Fund ×3 · Accelerator ×1 · 34 shared rounds

Investment History

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