Anthropic Revises IPO Terms from $69.3B, Says Reuters

Anthropic sent banks an offering document with terms for its IPO and shortly afterward sent a second email stating that the price numbers were incorrect, according to Reuters, which had access to the messages. The first version anticipated the sale of about 866.7 million Class A shares at a price between $70 and $80, which would lead to fundraising of up to $69.3 billion at the top of the range.

The correction email did not specify what was incorrect and promised an updated document later. Reuters could not determine which number had changed. Anthropic declined to comment to the agency and had not publicly spoken about the terms at the time this article was published.

What the Document Showed

From the number of shares described in the withdrawn version, approximately 843.3 million would be issued by the company itself, and around 23.3 million would come from existing shareholders, a predominantly primary offering. For comparison, the largest IPO in history, that of Saudi Aramco in 2019, raised $25.6 billion, a figure later extended with the supplemental tranche to $29.4 billion. In the circulated terms, Anthropic would raise more than double that.

The registration request with the SEC was filed on October 26, according to the company's own website. No public version of the document had included a price range until now, and the market expected the amendment with the terms to initiate the roadshow this week. The email exchange occurred on the night of Monday (9), U.S. time.

Valuation Under Review

The episode coincides with a downward revision of price expectations. Bloomberg reported that potential investors discussed a valuation between $1.1 trillion and $1.3 trillion, down from previous projections that reached $2 trillion. Some investors, according to the same report, considered the $1.5 trillion level that had been discussed too high.

The market window also worsened. The fall of AI-related stocks after the U.S. legislative elections on November 3 erased about $3 trillion in market value from S&P 500 companies, according to Citi strategists, who downgraded U.S. stocks to neutral on Monday (9). On the other side, Morgan Stanley classified the sell-off as overdone and pointed to Anthropic's IPO as the main catalyst in the coming weeks, according to Reuters.

The company did not halt its product agenda. On the same day that Reuters revealed the withdrawal of the terms, Anthropic launched Claude Fable 5.2, priced 20% lower than the previous version at $8 per million input tokens.

How the Offering Reads Outside Wall Street

Such a large fundraising is not restricted to American funds. European and Asian managers who missed out on private rounds see the IPO as their first chance for direct exposure to a leading-edge lab.

For Asia, there is an operational connection beyond the financial one. Anthropic opened an office in Singapore on October 14 and signed a memorandum of understanding with the local government, which gives sovereign funds and investors in the region a direct link to the company's expansion. In Europe, Citi took the opposite path from Morgan Stanley: it upgraded stocks in the region, excluding the UK, to above average due to having less exposure to technology volatility.

In Brazil, the interpretation passes through BDRs and multimarket funds with a global mandate, which will need to decide how much to allocate to a single stock of comparable size to some of the largest companies listed in the world. Without a defined price range, this calculation still does not work out.

The Weight of a Document Error

Errors in offering documents occur, but rarely in operations of this scale and never without cost. Each revised version undergoes scrutiny by lawyers, coordinating banks, and the SEC itself, and a correction without explanation allows investors to interpret the withdrawal as a sign of price pressure, even if the cause is technical.

The real test will come with the amendment to the S-1. If the new range comes in below $70, the market will interpret the episode as a renegotiation; if it maintains the original range and simply corrects structural details, the withdrawal will have been an administrative stumble. Until then, those monitoring the offering have only documents that the company itself claimed were incorrect.