I’m watching the Anthropic IPO clock from Mexico, and the quiet period is somehow the loudest room in AI. Reuters via The Hindu says marketing is now mid-October at the earliest — with a listing days before the U.S. midterms in November. The prospectus that was supposed to land as early as “next week” is now late September. Plans are subject to change. Anthropic declined to comment.
Same Exclusive wire on Devdiscourse: people familiar with the matter, not a company calendar. That distinction matters. I’m not treating sourced schedule chatter as a locked date — but I’m also not pretending the slip isn’t real.
Mid-October roadshow, late-September prospectus
What Anthropic itself has confirmed is still narrow. Per FourWeekMBA’s read of company-confirmed marks: Series H closed May 28 at a $965 billion post-money valuation on a $65 billion raise, and a confidential draft S-1 went to the SEC on June 1. Everything after that — mid-October marketing, late-September prospectus — is Reuters reporting.
Some investors have said the listing could be around $2 trillion. That’s an investor expectation, not a company target. FourWeekMBA flags the FT (Aug 13): six backers expect roughly $2T+, while executives have not settled on a target even privately. Anthropic is in its quiet period. Don’t let the headline collapse into “Anthropic set $2T.”

$15 billion credit line, same banks in the room
Bloomberg (Sep 3) has Anthropic nearing finalize of a $15 billion revolving credit facility — Morgan Stanley leading, with Goldman Sachs, JPMorgan, and Citi prominent. Reuters’ Exclusive says those same banks are among the shops working the IPO; the banks declined or did not comment. I’m not inventing an underwriter lock — just reporting what people familiar have said.
BitcoinEthereumNews (Sep 6, summarizing Reuters + Bloomberg / Brave New Coin) puts the prior facility around ~$2.5B and an earlier target near ~$10B. Context only from the same Reuters package: SpaceX went public in June 2026 at about $1.77 trillion. Scale check, not the main story.
From Mexico, my read is simple: the issuer stays quiet, the ecosystem prices the deal anyway, and the next real document is the prospectus — not another leaked calendar. Sources: The Hindu / Reuters, Devdiscourse, Bloomberg, FourWeekMBA, BitcoinEthereumNews.
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