Anthropic prepares mid-November IPO with prospectus due within days

Anthropic plans to publish its IPO prospectus as early as late October and begin its roadshow the week of November 9, targeting a mid-November Nasdaq listing, Reuters reported on October 22, 2026. Draft figures show first-half revenue of $16.3 billion against an $80.7 billion net loss, about $72 billion of it a non-cash charge tied to convertible instruments, with investors discussing a valuation near $1.5 trillion.