Sam Altman
Individual
Angel Investor at Open
Pre-Seed
Early Stage
Seed
Growth
Artificial Intelligence
Education
Healthcare
Biotech
Energy
Infrastructure
enterprise software
internet hardware
- Headquarters
- San Francisco, United States
- Founded
- 2010
- Website
- blog.samaltman.com
- AUM
- $2.8B
- Total Investments
- 29
- Last Investment
- Apr 2026
- Geographic Focus
- United States
Investment Thesis
Investing in AI, biotechnology, energy, and transformative technologies that will define the future, with concentration in companies solving the world's most important problems.
Investment History
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