The Money TrailJune 10, 2026via Forrester Blog
OpenAI’s Proposed IPO Opens a Trifecta of Opportunities For Them, But Don’t Lock In Just Yet
Why it matters
OpenAI's confidential S-1 filing signals a major liquidity event for the AI industry's largest private company. Combined with Anthropic's parallel filing, this marks a potential watershed moment for AI startup valuations and investor returns.
Key signals
- OpenAI confidentially filed draft S-1 with SEC
- Last valuation: ~$852 billion
- Sam Altman and Jakub Pachocki published strategic manifesto coinciding with filing
- Filing follows Anthropic's S-1 filing last week
- First formal step toward IPO
The hook
$852B. OpenAI just filed for IPO—and it's reshaping the entire AI cap table.
On the heels of the Anthropic filing last week, OpenAI also confidentially filed a draft S-1 with the SEC, its first formal step toward an IPO. On the same day, Sam Altman and chief scientist Jakub Pachocki published a manifesto-style essay, Built to benefit everyone: our plan. Last valued at roughly $852 billion, OpenAI hasn’t […]