Founders Fund
Venture Capital
Hard Tech, Defense & Space
San Francisco, United States · 605+ investments · 425 portfolio companies
Seed
Early Stage
Growth
Space Tech
Defense Tech
Aerospace
Artificial Intelligence
Biotech
Defense
Fintech
SaaS
- Headquarters
- San Francisco, United States
- Founded
- 2005
- Website
- foundersfund.com
- AUM
- $11.0B
- Portfolio Companies
- 425
- Total Investments
- 605
- Last Investment
- Aug 2026
- Geographic Focus
- United States, Global
Investment Thesis
Founders Fund backs contrarian founders solving genuinely hard scientific and engineering problems. They invest in revolutionary technologies — not incremental improvements — and trust founders with significant autonomy.
Founders Fund is a Venture Capital firm based in San Francisco, United States. It has made 605 investments in Space Tech and Defense Tech, including Belvo, Azumio and Contact.
Portfolio425
RM
Rareform Metals
E
Encantos
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Co-investors24
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24 co-investors across 751 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×19 · Hedge Fund ×2 · Angel Group ×1 · 444 shared rounds
Investment History
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