01 Advisors
Venture Capital
Venture and advisory firm founded by former Twitter CEO Dick Costolo and COO Adam Bain, helping founders go from building a product to building a company.
Early Stage
Growth
SaaS
- Headquarters
- San Francisco, United States
- Founded
- 2018
- Website
- 01a.com
- AUM
- $1.0B
- Portfolio Companies
- 51
- Total Investments
- 35
- Last Investment
- May 2026
- Geographic Focus
- North America, United States
Investment Thesis
Proven scaled operators investing in hyper-growth technology companies, leveraging operational expertise from Twitter and Facebook to help portfolio companies reach the next level.
Portfolio51
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Investment History
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