Back to News FeedHacker NewsDeveloper TechThe SEC Should Block Anthropic's IPO to Protect the PublicBy Hacker News Monday, November 2, 2026 at 10:30 PMCommentsContinue reading on Hacker News Atlas Directory ConnectionsAnthropicCompany • Est. 2021Anthropic PBC is an American artificial intelligence (AI) company headquartered in San Francisco, California. It has developed a series of large language models (LLMs) named Claude and has a focus on AI safety. Anthropic was founded in 2021 by former members of OpenAI, including siblings Daniela Amodei and Dario Amodei, who are president and CEO, respectively. The company is privately held but plans to go public. It had an estimated valuation of $965 billion in May 2026, making it the most valuable pure-play AI company in the world.