Artificial Intelligence giant Anthropic files for Initial Public Offering

Artificial intelligence giant Anthropic filed papers on Monday (October 26, 2026) for what could be the biggest initial public offering of stock ever, even as its top executive warns that advanced AI could pose an existential threat to humanity. The filing sets up the San Francisco company for a Wall Street debut next month, potentially eclipsing the SpaceX initial public offering in June that raised a record $86 billion. An Anthropic IPO would also put the company ahead of OpenAI in going public in what is expected to be a pair of blockbuster stock debuts for the rival AI labs….