Overview

• Employees and former employees sold about $6.6 billion in shares to investors including Thrive Capital, SoftBank, Dragoneer, MGX and T. Rowe Price, according to reports.
• The sale values OpenAI at roughly $500 billion, placing it above SpaceX and ahead of ByteDance and Anthropic in reported private valuations.
• Semiconductor shares rose after the news, with the Philadelphia Semiconductor Index up 1.94% and notable gains for Intel, AMD, Samsung and SK Hynix.
• Reports indicate Samsung Electronics and SK Hynix signed letters of intent to supply memory for OpenAI's 'Stargate' data-center initiative.
• OpenAI is using the secondary sale to retain and reward staff as it holds talks with Microsoft about a potential transition to a for‑profit structure.