Anthropic files confidentially for an IPO at a $965bn valuation

What happened. On 1 June 2026 Anthropic confirmed, via its blog, that it confidentially filed a draft S-1 with the SEC — the first formal step toward going public. Confidential means the financials aren't yet disclosed.

The numbers. Its last round, a $65B Series H, set a $965B valuation (co-leads incl. Altimeter, Dragoneer, Greenoaks, Sequoia, Capital Group, Coatue, D1). A ~$47B revenue run-rate is reported but unconfirmed — attribute, don't assert.

Timing. A listing could come as early as October 2026, per reporting. No date is locked.