Rows of desks on an empty open-plan trading floor, each with several switched-off black monitors and empty mesh office chairs, tall windows at the far end onto a hazy city of generic towers with a low dawn sun.

The Offering

Anthropic’s Offering Said to Be Oversubscribed Multiple Times

Anthropic’s offering has drawn multiple times the orders for the shares available, Bloomberg reported, citing unnamed people; its $70–$78 range for 825 million shares is unchanged on file.

Anthropic’s initial public offering has drawn multiple times the orders for the shares available, Bloomberg News reported on Wednesday, citing people familiar with the matter. The demand “was driven by so-called anchor-size indications of interest,” the people said, according to Bloomberg, which published the report at 8:17 a.m. Eastern.

Nothing on file has moved. As of 5:21 a.m. Eastern on Thursday, Anthropic had filed nothing with the S.E.C. since Tuesday’s amended prospectus, which offers 825 million Class A shares at $70 to $78 each. The terms may still shift, Bloomberg reported, according to Quartz. Anthropic plans to price the shares on Nov. 18 and begin trading on Nov. 19, CNBC reported on Tuesday, citing people familiar with the details; the company’s own roadshow announcement gives no dates.Not Yet OrdersUntil the registration takes effect, Anthropic’s roadshow announcement says, the shares “may not be sold, nor may offers to buy be accepted.” Of the interest some of its directors have shown, the prospectus says indications of interest “are not binding agreements or commitments to purchase.”

A deep book can lift a price. The Financial Times reported, citing five people familiar with the matter, that Anthropic’s bankers were considering a higher price range, according to Seeking Alpha’s account on Tuesday. The final price will set what two of Anthropic’s holders, Amazon and Google, hold on paper, and how many shares the $26.0 billion private placement buys, since it is fixed in dollars.

The rest of Bloomberg’s report is behind its paywall; Quartz relayed parts of it. Some investors are passing along a slice of their allocations to other would-be buyers, which brings them extra fees and cuts their exposure once trading starts, Bloomberg reported, according to Quartz. It also reported a live-streamed event on Friday with Dario Amodei, Anthropic’s chief executive, and Jamie Dimon, JPMorgan Chase’s; neither company’s newsroom had announced one by early Thursday. A representative for Anthropic did not respond to Bloomberg’s request for comment, Quartz said.

Not every number runs hot. Anthropic is aiming for a fully diluted valuation of roughly $1.4 trillion, lower than some investors had anticipated, Bloomberg reported, according to Quartz. The Wall Street Journal reported that the target is below the roughly $1.5 trillion investors expected a week earlier, and that several large backers pressed for a lower number after AI stocks sold off last week, Quartz said. Bloomberg News reported on Wednesday evening that the offering “may become the catalyst for major reversal in the artificial intelligence trade, according to Jack Selby, who runs the venture capital firm Copper Sky”; Mr. Selby, Bloomberg wrote, is skeptical.

In Japan, Anthropic plans to sell between 38.5 million and 50 million shares to investors at an indicative price of $70 to $78 each, Bloomberg reported at 2:56 a.m. Eastern on Wednesday, citing a filing with Japan’s Ministry of Finance; it is seeking $3 billion to $3.5 billion there. When this paper reported the Japanese sale on Nov. 2, reports of the filing there gave a ceiling of $3.5 billion, but no share count or price. Anthropic’s prospectus says the offering includes a public offering in Japan.

The market read the book as good news. “The sentiment bump coming from CoreWeave results and Anthropic IPO demand is helping the broader ecosystem,” Ross Mayfield, an investment strategist at Baird Private Wealth Management, told CNBC on Wednesday, a day on which the Nasdaq Composite rose 1.60 percent, to close at 25,466.19. Bloomberg’s evening newsletter put the rally down to CoreWeave’s outlook and “hot demand for Anthropic’s mega-IPO.”

The sentiment bump coming from CoreWeave results and Anthropic IPO demand is helping the broader ecosystem.

— Ross Mayfield, Baird Private Wealth Management, to CNBC

The Two Holders

The prospectus names the stakes. Amazon and Google “will hold 1,920,511,218 and 1,789,598,269 shares of our Class N common stock, respectively, immediately following the offering and the concurrent private placement,” it says.Class NClass N shares carry no vote but have the same economic rights as Class A, and convert into Class A when transferred to an unaffiliated party, the prospectus says. Amazon and Google would together hold about 28.4 percent of the 13,086,672,593 shares the filing expects to be outstanding, by our arithmetic. Google’s count includes 135,135,135 placement shares, the number its $10.0 billion buys at the $74 midpoint; at another price, it buys more or fewer.GOOGLNasdaq293.45▲6.07+2.1%Alphabet · Wednesday’s session

By our arithmetic, holding those counts steady, Amazon’s shares come to $134.4 billion at $70 and $149.8 billion at $78, and Google’s to $125.3 billion and $139.6 billion.

What the range implies for two holders’ stakes

Class N shares after the offering, valued at $70 and $78 a share; Daily Cortex arithmetic. Google’s count includes the placement shares the filing works out at the $74 midpoint.

Source: Anthropic, Form S-1/A (Amendment No. 2), Nov. 10, 2026.

Amazon has more to come. A further 1,563,617,444 Class N shares “will be issuable after this offering upon conversion of remaining outstanding convertible promissory notes, all of which are held by Amazon, that cannot convert immediately prior to the completion of this offering without exceeding the applicable ownership cap,” the filing says.AMZNNasdaq266.17▼4.70−1.7%Amazon · Wednesday’s session With the shares from its remaining notes, Amazon’s Anthropic holding would be worth $243.9 billion to $271.8 billion across the range, by our arithmetic, against the roughly $238.7 billion at which it carried its notes and shares on Sept. 30, by our sum of two figures in its quarterly report. This paper set out that sum on Oct. 31.

Daily Cortex is written with AI models, including Anthropic’s Claude, and fact-checked with OpenAI’s GPT models.

Sources

  1. Bloomberg, “Anthropic’s IPO Is Said to Be Multiple Times Oversubscribed,” Nov. 11, 2026.
  2. Quartz, “Anthropic’s IPO is said to be multiple times oversubscribed as roadshow gets under way,” Nov. 11, 2026.
  3. U.S. Securities and Exchange Commission (EDGAR), “Anthropic, PBC, Form S-1/A (Amendment No. 2), accepted Nov. 10, 2026, 6:29 a.m.,” Nov. 10, 2026.
  4. U.S. Securities and Exchange Commission (EDGAR), “Anthropic, PBC: company filings (checked 5:21 a.m. Eastern, Nov. 12),” Nov. 12, 2026.
  5. Anthropic, “Anthropic launches roadshow for proposed initial public offering,” Nov. 10, 2026.
  6. Anthropic, “Newsroom,” Nov. 12, 2026.
  7. JPMorganChase, “Newsroom,” Nov. 12, 2026.
  8. CNBC, “Anthropic sets IPO price range of $70 to $78, looks to start trading Nov. 19, sources say,” Nov. 10, 2026.
  9. Bloomberg, “Anthropic Aims for $3 Billion to $3.5 Billion in Japan Offering,” Nov. 11, 2026.
  10. CNBC, “Nasdaq gains more than 1% as CoreWeave spike revitalizes AI trade,” Nov. 11, 2026.
  11. Bloomberg, “Anthropic IPO Oversubscription Fuels AI Recovery Rally (Evening Briefing Europe),” Nov. 11, 2026.
  12. Seeking Alpha, “Anthropic bankers weigh higher IPO price range as investor demand surges: FT,” Nov. 10, 2026.
  13. Bloomberg News, via Bloomberg Law, “Anthropic IPO Risks Causing AI Correction, Selby Says (Correct),” Nov. 11, 2026.
  14. Amazon (SEC Form 10-Q), “Quarterly report for the period ended Sept. 30, 2026 (Note 3),” Oct. 30, 2026.
  15. Daily Cortex, “Amazon’s Lab Stakes: Anthropic $238.7 Billion, OpenAI $50 Billion,” Oct. 31, 2026.
  16. Daily Cortex, “Anthropic Seeks Up to $3.5 Billion From Japanese Investors,” Nov. 2, 2026.
  17. Nasdaq, “Amazon.com (AMZN), daily historical prices,” Nov. 11, 2026.
  18. Nasdaq, “Alphabet (GOOGL), daily historical prices,” Nov. 11, 2026.