#venture portfolio

3 articles with this tag

Sam Altman Net Worth 2026: His $3.3B Portfolio Across Helion, Worldcoin, and Retro Biosciences
AI Figures

Sam Altman Net Worth 2026: His $3.3B Portfolio Across Helion, Worldcoin, and Retro Biosciences

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.

3 months ago
Inside Elon Musk's AI Portfolio: SpaceX-xAI, Robotaxi, Neuralink
AI Figures

Inside Elon Musk's AI Portfolio: SpaceX-xAI, Robotaxi, Neuralink

SpaceX absorbed xAI at $250B in February 2026; Tesla's unsupervised Robotaxi is live in Dallas and Houston; Neuralink has 21 PRIME study patients. A portfolio map of Musk's four AI fronts as of June 2026.

4 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.

5 months ago