Bloomberg reported on 13 November 2026 that institutional investors based in mainland China and Hong Kong have been excluded from placing orders in the initial public offering (IPO) of Anthropic PBC, citing people familiar with the matter. Anthropic is the maker of Claude. Anthropic declined to comment, according to The Decoder and Briefs, which summarized the report. Lens found no public statement from Anthropic on the matter as of 14 November 2026.

What Bloomberg reported

According to the opening paragraphs of Bloomberg’s article, several banks have either refused to take orders from those investors or consider it unlikely that they could get allocations. The people said some prospective investors are still pursuing possible ways to bid. Some of the people said the constraints were partly due to the US International Traffic in Arms Regulations (ITAR), which control the trade of defense products.

Briefs, which summarized more of the article, says banks have not stopped clients from submitting orders and that sales staff can still enter them. The same summary says a New York syndicate team indicated that ITAR rules block investors from the China region from taking part.

AI Weekly and Briefs also relay Bloomberg’s account of a precedent. On the $86.2 billion SpaceX IPO earlier this year, bankers citing ITAR guidance declined orders from mainland China and Hong Kong, and those investors could buy only after trading began. Briefs adds that Citigroup, which coordinated international distribution for that deal, told syndicate banks about the ITAR constraint.

What Anthropic’s filing says

FourWeekMBA says the link between ITAR and the order book comes from Bloomberg’s sources and not from the filing. It and AI Weekly quote Anthropic’s amended registration statement (Form S-1/A, Amendment No. 2, filed with the US Securities and Exchange Commission on 10 November 2026). They say the filing states that Anthropic’s models, platform and applications may be controlled under the Commerce Department’s Export Administration Regulations or, in more limited circumstances, under ITAR, and that in certain contexts providing them may constitute export of defense articles or defense services subject to ITAR.

FourWeekMBA counted selling notices for 25 markets in the S-1/A and none for Hong Kong. It says it does not know why, and that a missing notice is not the same as a ban.

Offering terms, for context

  • Shares: 825 million Class A shares. Anthropic sells 801,351,354 and selling stockholders sell 23,648,646, according to the S-1/A as quoted by FourWeekMBA.
  • Price range: $70 to $78 per share. At the top of the range, 825 million shares come to $64.35 billion (Lens arithmetic). Reuters, as summarized by StockAnalysis, put the most the offering could raise at $64.4 billion.
  • Listing and timing: Nasdaq Global Select Market, ticker ANT. Anthropic’s IPO materials on the SEC website give 18 November 2026 as the expected pricing date and 19 November as the expected first trading day. FourWeekMBA says Goldman Sachs and Morgan Stanley are the underwriters’ representatives. Bloomberg, via Briefs, says 20 other banks are in the syndicate.
  • Private placement: seven companies, including Google, Nvidia and Microsoft, have agreed to buy $26.0 billion of Class N stock at the IPO price, according to FourWeekMBA and Reuters via StockAnalysis.
  • Demand: Bloomberg, via Briefs, puts indications of demand at about six times the shares available.

Where reports differ

Valuation figures depend on which shares are counted. Reuters, as relayed by FourWeekMBA, put the top of the range at about $1.4 trillion on a fully diluted basis, which includes options and restricted stock, and about $1 trillion without them. The AP’s text says up to $1.4 trillion, while its subheading says about $1.3 trillion. FourWeekMBA calculates $917 billion to $1.02 trillion on the shares the filing says will be outstanding (FourWeekMBA arithmetic).

Totals also differ by scope. Briefs and FourWeekMBA relay a Bloomberg figure of up to $90.4 billion for the IPO plus the private placement. Reuters’ $64.4 billion refers to the share sale alone. Reuters also reported that terms sent to banks on 9 November, showing 866.7 million shares at $70 to $80, were withdrawn over a pricing error; the filing shows $70 to $78.

Sources and notes

This post draws on Bloomberg, where Lens could read only the headline, byline and opening summary before the paywall; Briefs, AI Weekly and The Decoder, read in full; FourWeekMBA and its filing summary, read for the passages cited here; StockAnalysis (summarizing Reuters) and the AP report on the filing, both read in full; and Anthropic’s IPO website filing on the SEC site, read in full. SEC filing dates were checked against the SEC’s filing index for the company. The S-1/A itself could not be opened in full, so its contents here come from FourWeekMBA, AI Weekly, the AP and Reuters coverage. Advisor Perspectives and AIStockWire returned 403 errors. Lens found no Reuters, Axios or other independent report of the exclusion; every account traces to Bloomberg’s unnamed sources. Figures for the order book, the ITAR reasoning and the SpaceX precedent are Bloomberg’s as relayed. The story is still moving; pricing is expected on 18 November 2026.

Image: The columned front of the New York Stock Exchange building in New York, 21 May 2024. Photo: 颐园居 (CC BY-SA 4.0), via Wikimedia Commons. Stand-in image: not a photo of Anthropic, its share offering or the exchange on which it is expected to list.