645 Ventures
NYC-based early-stage firm managing $550M, leveraging proprietary Voyager platform with deep roots in NYC tech ecosystem.
New York, United States · 72+ investments · 117 portfolio companies
- Headquarters
- New York, United States
- Founded
- 2016
- Website
- 645ventures.com
- AUM
- $550.0M
- Portfolio Companies
- 117
- Total Investments
- 72
- Last Investment
- Feb 2026
- Geographic Focus
- United States
Indexed holds 117 portfolio companies and 72 funding rounds for this investor. The full record is or through the API.
Investment Thesis
645 Ventures is a Venture Capital firm based in New York, United States. It has made 72 investments, including Spiketrap, Judy Security and Ally.io. Focus areas include Developer Tools and Infrastructure.
Portfolio117
Showing 48 of 117 recorded portfolio companies.
Co-investors24
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24 co-investors across 132 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×20 · Accelerator ×3 · Hedge Fund ×1 · 56 shared rounds
Investment History
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