#Retro Biosciences

3 articles with this tag

Sam Altman's Portfolio in 2026: OpenAI at $852B, Helion at $15.5B
AI Figures

Sam Altman's Portfolio in 2026: OpenAI at $852B, Helion at $15.5B

OpenAI closed a $122 billion funding round at an $852 billion valuation in March 2026. Here is a company-by-company breakdown of every venture Sam Altman controls or has materially funded, from Helion Energy at $15.5 billion to Retro Biosciences at $1.8 billion.

about 1 month ago
Sam Altman's 2026 Portfolio: OpenAI at $852B, Helion at $15.5B
AI Figures

Sam Altman's 2026 Portfolio: OpenAI at $852B, Helion at $15.5B

OpenAI hit $25B ARR in early 2026 while Helion secured fusion licences at a $15.5B valuation. A company-by-company breakdown of Sam Altman's four active ventures: OpenAI, Helion Energy, World ID, and Retro Biosciences.

about 2 months ago
Sam Altman's Portfolio: No OpenAI Equity, $1.7B Helion Stake
AI Figures

Sam Altman's Portfolio: No OpenAI Equity, $1.7B Helion Stake

May 2026 court filings show Sam Altman holds no direct OpenAI equity, despite running the company that recently raised at a $730B valuation. His nine disclosed positions are worth more than $2B, led by a $1.7B Helion Energy stake.

3 months ago