Walden Catalyst

Venture Capital

Early-stage venture capital firm investing in data, deep tech, AI, cloud, and digital biology companies across the US, Europe, and Israel.

San Francisco, United States · 20+ investments · 13 portfolio companies

Seed
Early Stage
Artificial Intelligence
Deep Tech
Developer Tools
Headquarters
San Francisco, United States
Founded
2021
AUM
$550.0M
Portfolio Companies
13
Total Investments
20
Last Investment
Jun 2026
Geographic Focus
Europe, Israel, United States

Investment Thesis

Early-stage deep-tech venture fund backing bold innovators in AI, semiconductors, quantum computing, cloud, and digital biology.

Walden Catalyst is a Venture Capital firm based in San Francisco, United States. It has made 20 investments in Artificial Intelligence and Deep Tech, including Ati Motors, Clarity Security and galileo.ai.

Portfolio13

Co-investors24

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24 co-investors across 39 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×17 · Corporate VC ×3 · Other ×2 · 34 shared rounds

Investment History

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