Omor Ibne Ehsan reports for 24/7 Wall St. that Anthropic's amended S-1 puts its run-rate revenue at about $81 billion as of October 31, 2026 — roughly $10 billion above the site's September estimate — ahead of an IPO priced at $70 to $78 a share, with pricing on November 18 and trading the next day. The article notes Amazon and Alphabet both own large Anthropic stakes and sell it computing power, while warning the figure is unverified, excludes nothing about holiday swings, and may fall as fast as it rose; it judges Alphabet better positioned than Amazon.