01 Advisors
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.
San Francisco, United States · 41+ investments · 55 portfolio companies
- Headquarters
- San Francisco, United States
- Founded
- 2018
- Website
- 01a.com
- AUM
- $1.0B
- Portfolio Companies
- 55
- Total Investments
- 41
- Last Investment
- May 2026
- Geographic Focus
- North America, United States
Indexed holds 55 portfolio companies and 41 funding rounds for this investor. The full record is or through the API.
Investment Thesis
01 Advisors is a Venture Capital firm based in San Francisco, United States. It has made 41 investments, including Future, Metropolis and It’s Good. Focus areas include SaaS.
Portfolio55
Showing 48 of 55 recorded portfolio companies.
Co-investors24
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24 co-investors across 115 shared portfolio companies — who they back alongside, and how often they lead.
Venture Capital ×18 · Hedge Fund ×2 · Accelerator ×2 · 36 shared rounds
Investment History
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