Anthropic Weighs a $2 Trillion IPO, With Reported Timing Shifting Between October and November

Anthropic is preparing what would be the largest listing on record, and the reporting on it is still moving. The Wall Street Journal reports the company has shifted its planned IPO to November at a valuation near $2 trillion, raising up to $100 billion. A New York Times piece from days earlier still described an October target, and Reuters has reported that November itself could slip past the midterm elections. Any single date stated as settled here is firmer than the sourcing supports.

The revenue figure needs the same care. The widely cited $100 billion is an annualized run-rate for 2026 rather than full-year revenue, and some outlets are already citing a higher run-rate by year end. Run-rate and realized revenue are different quantities, and at this growth rate the gap between them is large.

The safety framing is the genuinely unusual part of the story. The New York Times reported the company pursuing a listing while its own leadership and staff publish warnings about the pace of AI development, including employee departures over exactly that tension. Bloomberg separately reported that Claude now contributes around 26% of Anthropic's own research and development work, a figure that cuts both ways: it is evidence of real capability leverage and evidence of the recursive-development dynamic the company's own researchers write about.

What to watch: the S-1 filing itself, which would replace all of this reporting with disclosed figures; the final valuation and raise size when terms are set; and how the prospectus treats concentration in enterprise customers and compute commitments. A listing of this size would also reprice the private AI complex, so the read-through extends well beyond Anthropic.