Anthropic confidentially files its S-1 first—but the IPO race with OpenAI is just beginning
- Posted on June 1, 2026
- By Fortune
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- 1 min read
Anthropic confidentially files its S-1 first—but the IPO race with OpenAI is just beginning
Anthropic filed its confidential S-1 on Monday, undeniably kicking off the IPO race with OpenAI.