Anthropic plans public IPO filing, aiming to match SpaceX's $85.7 billion offering

Anthropic PBC plans to make its IPO registration statement public on Oct 26 at around 9:00 New York time, Bloomberg reported, citing people familiar with the matter [1]. The Claude maker expects its offering to match or beat SpaceX's June IPO, which raised $85.7 billion including the underwriters' overallotment [1][2]. Anthropic submitted its S-1 confidentially on June 1, and SEC rules require it to be published 15 calendar days before a formal roadshow [3][4].

• IFR reported a target of up to $100 billion at a $2 trillion valuation, with Morgan Stanley and Goldman Sachs as joint bookrunners [3].
• Third-quarter revenue rose 45% from the second quarter to $16.8 billion, and some investors then discussed a $1.5 trillion valuation [3][4].
• The Wall Street Journal reported a net loss of more than $80 billion for the first half of 2026 [4].
• In 2025, 47% of revenue, about $2.16 billion, went through the Amazon and Google cloud marketplaces, Reuters reported [3].
• A version seen by the Journal listed about $450 billion in compute agreements, including $111 billion with Google Cloud, $110 billion with Amazon Web Services and $31 billion with Microsoft [3].

Alphabet and Microsoft report quarterly results on Oct 28, and Amazon reports on Oct 29 [3]. Bloomberg reported that marketing could begin as soon as the week of Nov 9, and Fox Business reporter Liz Claman said the listing could come as soon as Nov 19 or 20 [1][5].