Anthropic's public benefit structure creates unusual risks for IPO investors

Anthropic plans to go public as a public benefit corporation, a rare structure that legally requires balancing a public-benefit mission with shareholder returns. The AI lab targets a valuation of $1.5 trillion or more, with seven co-founders holding 50.1% of voting power via a single Class F share and an independent trust electing a majority of directors.

• Anthropic targets an IPO valuation of $1.5 trillion or more
• Seven co-founders control 50.1% of votes via one Class F share
• Public benefit fund holds about 847 million Class N shares (~5%)
• Lawyers say PBC law is vague on how to 'balance' mission and profit