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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 · 45+ investments · 55 portfolio companies

Pre-Seed
Seed
SaaS
AI / ML
Fintech
Healthcare
Headquarters
Boston, United States
Founded
2015
Website
underscore.vc
AUM
$250.0M
Portfolio Companies
55
Total Investments
45
Last Investment
Jul 2025
Geographic Focus
United States

Indexed holds 55 portfolio companies and 45 funding rounds for this investor. The full record is or through the API.

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 45 investments, including Copley, IOpipe and Slang. Focus areas include SaaS and AI / ML.

Portfolio55

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 · Accelerator ×2 · Hedge Fund ×2 · 37 shared rounds

Investment History

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