Anthropic is aiming for its shares to start trading Thursday or Friday next week, The Wall Street Journal reported at 21:12 UTC on 9 November, citing people familiar with the matter. By our reading of the calendar, that is 19 or 20 November. The Journal says the Claude maker has meetings lined up with key investors this week.
On SEC EDGAR, Anthropic’s first confidential draft is dated 1 June and its public S-1 26 October. A first trade on 19 November would come 171 days after the draft and 24 days after the S-1, by our arithmetic. SpaceX’s final prospectus came 74 days after its first draft and 23 days after its S-1. No price range has been filed.
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The key insight: Anthropic is aiming for its shares to start trading on Thursday or Friday next week, 19 or 20 November by our reading, The Wall Street Journal reported, citing people familiar. By our arithmetic from EDGAR, that is 171 or 172 days after its first confidential draft and 24 or 25 days after its public S-1; SpaceX took 74 and 23 days to its final prospectus.
The Journal’s story, by Corrie Driebusch, is headlined “Anthropic Prepares to Push Ahead With IPO Despite Market Jitters”. It opens: “Anthropic plans to forge ahead with its initial public offering later this month despite recent market volatility tied to artificial-intelligence investments”.
The rest of the article is for subscribers. The readable text gives no price range, offering size, valuation or pricing date. Posts on X attributing a $1.5 trillion valuation to the Journal’s report do not match the readable text, which contains no valuation figure.
IFR, the LSEG capital-markets title, reported earlier on 9 November that Anthropic would launch its Nasdaq IPO on Tuesday morning, 10 November, as our running coverage notes. From that Tuesday to Thursday 19 November is nine days, by our count.
Days between IPO filing milestones on SEC EDGAR: Anthropic from its 1 June confidential draft and 26 October S-1 to a target first trade on 19 November, SpaceX from its 30 March draft and 20 May S-1 to its 12 June final prospectus. Source: SEC EDGAR; Anthropic’s target date per The Wall Street Journal, 9 November 2026, citing people familiar. Day counts are our arithmetic.
A post by @firstadopter at 21:17 UTC on 9 November quoting The Wall Street Journal: Anthropic is aiming for its shares to start trading Thursday or Friday next week, according to people familiar with the matter. The quote matches the readable text of the Journal article linked in this piece; the 19 and 20 November dates are our reading of the calendar.
What the Filings Show
Anthropic’s amended S-1 of 2 November says it has “applied to list our Class A common stock on the Nasdaq Global Select Market under the symbol” ANT. Its cover names 22 underwriters, led by Goldman Sachs and Morgan Stanley, by our count. The price per share is still blank: “between $ and $”.
Anthropic’s EDGAR page lists eight registration filings: a draft on 1 June, five amended drafts from July to October, the public S-1 on 26 October and the S-1/A on 2 November. When we checked at 21:39 UTC on 9 November, it showed no later filing.
Counting the Days on EDGAR
The day counts are our arithmetic from EDGAR dates. From the 1 June draft, a first trade on Thursday 19 November is 171 days away, and 172 for Friday 20 November. From the 26 October S-1, it is 24 or 25 days. Tuesday 10 November is 15 days after the S-1.
SpaceX, whose June IPO raised $86.25 billion, moved faster from its first draft. Its EDGAR page shows a confidential draft on 30 March, a public S-1 on 20 May and a final prospectus on 12 June: 74 days from draft to prospectus and 23 from S-1 to prospectus. SpaceX filed five registration documents before that prospectus, against Anthropic’s eight so far, by our count.
What Buyers Have Discussed
Bloomberg reported on 6 November that investors were discussing a value of $1.2 trillion to $1.3 trillion, as we reported, and a Bloomberg headline the same day put the low end at $1.1 trillion. The Financial Times reported a raise of $80 billion to $100 billion, either side of SpaceX’s $86.25 billion.
Morningstar values Anthropic at $1.7 trillion in its base case. None of these figures comes from Anthropic, which has filed no range.
What Else Rides on the Date
Direxion says its Anthropic Bull 2X (ANTO) and Bear 2X (ANTD) funds are expected to begin trading on the first trading day after Anthropic’s Class A stock starts trading, as our ETF filings piece reports. If Anthropic trades on 19 November, that is 20 November; if on 20 November, it is Monday 23 November, by our reading of the calendar.
As we read it, the public part of the timetable is close to SpaceX’s: 24 days from public S-1 to the target first trade, against 23 for SpaceX to its final prospectus. The longer gap is in the confidential stage, where Anthropic filed five amended drafts. The price is not yet in any filing.
The Wall Street Journal, 9 November 2026
“Anthropic plans to forge ahead with its initial public offering later this month despite recent market volatility tied to artificial-intelligence investments”
Three Implications
FOR BUYERS The S-1/A still leaves the price per share blank, so the $1.1 trillion to $1.3 trillion figures discussed so far are reports, not terms.
FOR ETF HOLDERS Direxion says ANTO and ANTD are expected to start trading the first trading day after Anthropic does: 20 or 23 November, by our reading of the calendar.
FOR THE TIMETABLE IFR reported a roadshow launch on Tuesday 10 November, 15 days after the public S-1 by our arithmetic.
The framework describes the AI build as having “a dual character that is simultaneously a bubble and a supercycle”.
As we read it, the Journal’s report holds both sides at once: an IPO timetable kept despite what the Journal calls recent market volatility tied to AI investments. The framework predates the report and does not discuss it.
What Is Not Established
The trading dates come from people familiar with the matter, as reported by the Journal; Anthropic has not announced them. There is no filed price range, share count or offering size. The 19 and 20 November dates, the day counts and the ETF dates are our reading of the calendar and EDGAR.
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This week’s issue: for two years the AI build-out was priced as a supply story, and last week as a credit story. This week it was priced as a permission story, and the answer arrived as a cost, not a ban.
Anthropic is aiming for its shares to start trading on Thursday or Friday next week, 19 or 20 November by our reading, the Journal reported. That would be 171 or 172 days after its first confidential draft and 24 or 25 days after its public S-1, by our arithmetic. Its S-1/A still has no price.
A note on sourcing. The trading-date target comes from The Wall Street Journal, citing people familiar with the matter; Anthropic has not announced it. Filing dates are from SEC EDGAR. The calendar dates and day counts are our arithmetic.
Gennaro Cuofano is a CRO and tech executive who has worked in AI since late 2015, starting with bringing NLP, natural-language generation, voice and chatbot products to the marketing industry. His background is in law and finance: he holds a Master's degree in Law and an International MBA with an emphasis on corporate finance (LUISS Business School and the University of San Diego, 2012), and worked as a financial analyst at a real-estate investment firm in San Diego and as an assistant controller. His work focuses on business model strategy, business engineering and, more broadly, structural analysis: how companies make money, read from their own filings. He created FourWeekMBA and leads research there and at The Business Engineer, his newsletter on AI and business strategy, with over 95,000 subscribers and more than 1,000 published analyses. His writing has also appeared on Entrepreneur (for example, How to Digitize a Family Business in Europe) and HackerNoon. Find him on LinkedIn and Substack. See how we source.
