Quick answers (updated November 12, 2026)
When is the Anthropic IPO? The roadshow launched on November 10, 2026. CNBC (Nov 10, citing people familiar with the details) reports pricing on Wednesday, November 18 and the first trade on Thursday, November 19, under the ticker ANT on the Nasdaq Global Select Market. Anthropic's own IPO website, filed with the SEC on November 10, now gives the same timeline: price expected November 18 and trading November 19 (Eastern time), subject to regulatory clearance. The registration statement is not yet effective.
What is the Anthropic IPO price? The filed range is $70.00 to $78.00 per share (S-1/A No. 2, November 10), midpoint $74. The offering is 825,000,000 Class A shares: 801,351,354 new shares from Anthropic and 23,648,646 from selling stockholders, plus a 30-day option on 123,750,000 more. At the range that is a $57.8 billion to $64.4 billion base deal, before a separate $26.0 billion Class N private placement to AMD, Broadcom, Google, Micron, Microsoft, NVIDIA and TSMC at the IPO price. Anthropic estimates its own net proceeds at about $84.6 billion at $74 ($93.7 billion if the option is exercised in full). With 13,086,672,593 shares outstanding after the offering, the range implies about $916 billion to $1.02 trillion. CNBC puts the fully diluted value at up to $1.405 trillion at $78. The final price is set on pricing night.
Other new terms in the November 10 filing: run-rate revenue of about $81 billion as of October 31, 2026, up $10 billion from September 30. Nine-month 2026 revenue was $33.24 billion (up 1,206%) with a $104.0 billion net loss, most of it fair-value changes on convertible notes and derivatives. Board members and affiliated entities have indicated interest in buying up to $303 million of shares. Lock-ups run up to 180 days, and up to 365 days for the co-founders and holders of more than 0.5%; the private-placement shares are not under the underwriter lock-up. CNBC also reports a retail allocation target of about 20%, against a usual 5% to 10%.
New in the November 10–12 filings: five free writing prospectuses show the deal is global. Anthropic filed offering documents in Canada, Australia, the UK, nine European countries plus Switzerland, and Japan, with up to 80,135,135 shares for European retail investors and 38.5 to 50 million shares in Japan. The European prospectus sets a maximum offer price of $120 and notes that the US price can be raised without a new SEC amendment, so a final price above $78 is possible but not guaranteed. The filings also describe the net settlement of 49,754,965 Class A shares of employee RSUs that vest on November 19, the expected first trading day. Because of the time difference, Australian applications close at 5 pm on November 17 AEDT and trading starts there on November 20 AEDT. Country-by-country details: buying the Anthropic IPO outside the US.
What does the S-1/A tell us about the share price? Anthropic did a 10-for-1 stock split on September 17, 2026, and its preferred stock converts at 10 to 1. The Series H-1 round (May to June 2026) was priced at $589.0095 per preferred share, which works out to about $58.90 per share on today's basis. The filing also says 846,840,960 Class N shares equal 5% of the fully diluted shares as of June 30, which implies roughly 16.9 billion shares in total. On that base, our estimate is about $89 a share at a $1.5 trillion valuation, about $94 at $1.6 trillion and about $118 at $2 trillion. These are our own calculations, not Anthropic's figures, and the final share count will change once the offering shares are added.
How big is it? Anthropic is reportedly seeking up to $100 billion, which would beat SpaceX's $75 billion June 2026 listing as the largest IPO ever. The valuation talk has cooled: after the October 14 investor pitch, Reuters (Oct 15) reported some investors discussing about $1.5 trillion rather than the $2 trillion reported in September, because quarterly growth slowed from about 147% to about 45%.
Latest numbers: the S-1/A now includes the third quarter. Revenue was $16.96 billion for the three months to September 30, 2026, up from $11.56 billion in Q2 and $4.73 billion in Q1, and up 1,127% year over year. Nine-month revenue was $33.2 billion. Q3 showed an operating loss of $567 million and a net loss of $23.3 billion, mostly a $21.9 billion non-cash change in the fair value of convertible notes, derivatives and SAFEs. The amendment also lists about $895.4 billion of committed spending, substantially all on compute and infrastructure, and a new risk factor saying future models may soon meet its Responsible Scaling Policy's definition of “dramatically accelerated progress attributable to AI”. The public S-1 confirms first-half 2026 revenue of $16.3 billion and a net loss of $80.7 billion, mostly a $72.4 billion non-cash charge on convertible notes, notes and SAFEs: Anthropic's $80 billion loss explained.
Any pushback? On October 14, New York City Comptroller Mark Levine wrote to CEO Dario Amodei asking Anthropic to pause the IPO until AI safety and governance concerns are addressed. Bloomberg (Oct 16) reports Anthropic has opened talks with his office. The market backdrop is also shakier: Yahoo Finance (Oct 21) reported that AI-related stocks have wobbled as investors grow more selective about AI spending, South Korean data-centre company Elice fell 32% on its first trading day, and Nvidia-backed Firmus Grid shelved its listing.
Who might anchor it? Reuters reported in September that Nvidia is in talks to invest up to US$10 billion as an anchor investor in the offering. Neither company has confirmed.
Where will it trade? On the Nasdaq Global Select Market under the ticker ANT: the October 26 S-1 says Anthropic has applied for that listing. The shares on offer are Class A common stock, one vote per share.
Who controls it? Not public shareholders. According to the S-1, a single Class F share held by a company owned by Anthropic's seven co-founders will carry 50.1% of the votes on general matters, and the Long-Term Benefit Trust's Class T stock elects a majority of the board. Anthropic will be a Nasdaq “controlled company”. Class N shares, held mainly by strategic partners such as Amazon, have no votes.
What happens next? The roadshow runs from November 10. If the reported schedule holds, the SEC declares the registration effective, the final price is set on the evening of November 18 and published in a 424(b)(4) prospectus, and ANT opens on Nasdaq on November 19. The price can land inside, above or below $70 to $78, and the range can be revised in another S-1/A during the roadshow.
Latest private share-price estimate: about US$82.86 per share (Nasdaq Private Market, Oct 1, 2026). That is not an IPO price, and other platforms quote very different per-share figures on different share bases; see the table below.
There is no announced Anthropic IPO date. That is the honest answer, and every page telling you otherwise is presenting a reported expectation as a scheduled event. What Anthropic itself has stated publicly is narrow: on June 1, 2026, Anthropic, PBC confidentially submitted a draft registration statement on Form S-1 to the United States Securities and Exchange Commission for a proposed initial public offering of its common stock, and the number of shares and the price range had not been determined. That announcement was made under Rule 135 of the Securities Act, which is the specific mechanism that lets a company acknowledge a planned offering without the acknowledgement itself constituting an offer to sell.
Everything past that sentence comes from reporting. On September 4, 2026, Reuters reported that Anthropic is expected to begin marketing its offering in mid-October at the earliest and to complete the listing days before the United States midterm elections in November. The same reporting said the public prospectus — previously expected in the week of September 7 — had slipped to late September 2026. Those sources cautioned that plans, including timing, remain subject to change. That timetable has since moved: on September 18, 2026, The Wall Street Journal reported that Anthropic pushed the listing from October to November. On October 1, Bloomberg reported that Anthropic has invited institutional investors to meet senior management at its San Francisco headquarters on October 14, that formal marketing could begin as early as the week of November 9, and that trading could start before US Thanksgiving on November 26. Anthropic declined to comment, and the schedule could still change.
- Confirmed by Anthropic
- Confidential draft Form S-1 submitted to the SEC on June 1, 2026. No share count, no price, no date, no exchange, no ticker.
- Public prospectus
- Filed on SEC EDGAR on Monday, October 26, 2026 (Form S-1, Anthropic, PBC, CIK 0002130357; we confirmed it in the EDGAR filing index that morning). It names the Nasdaq Global Select Market and the ticker ANT but leaves the price range, share count and offering size blank. Yahoo Finance had reported on October 21 that the filing could come as early as Friday, October 23; it came on the next business day.
- First amendment (S-1/A)
- Filed on SEC EDGAR on Monday, November 2, 2026 (accession 0001628280-26-068676). It adds third-quarter 2026 results, the 10-for-1 stock split of September 17, about $895.4 billion of compute and infrastructure commitments and new AI-progress risk language. The price range, share count and offering size are still blank.
- Roadshow
- Launched November 10, 2026 (Anthropic announcement), the first day allowed under the 15-day rule after the October 26 public S-1. The investor day was held on October 14.
- Listing expected
- Pricing November 18, first trade Thursday, November 19, 2026 (CNBC, Nov 10, citing people familiar with the details). Not yet confirmed by Anthropic.
- Reported deal size
- Up to US$100 billion (WSJ). Valuation reported at about US$2 trillion in September, with some investors discussing about US$1.5 trillion after the October 14 pitch (Reuters, Oct 15). Anthropic expects its annualized revenue run rate to top US$110 billion by year-end.
- Exchange
- Nasdaq Global Select Market, ticker ANT, per the public S-1 filed October 26, 2026 (first reported by Bloomberg and Business Insider on Sept 13).
- Voting control
- The Information reported on Sept 25 that Anthropic's seven co-founders want a new share class giving them 50.1% of the vote while owning about 14% of the company.
- Status of the price
- Range filed November 10, 2026: $70.00 to $78.00 per Class A share (S-1/A No. 2). Final price not set until pricing night, reported for November 18.
The mechanical constraint worth knowing is the fifteen-day rule. A company that files confidentially must publicly file its registration statement, including the original draft and any amendments, at least fifteen days before it begins the roadshow. The September timetable broke on exactly this rule: the prospectus did not appear in September, so the mid-October roadshow moved, and the listing moved with it to November. The same arithmetic now applies to the new plan. A roadshow on November 9 needed a public S-1 on EDGAR by Friday, October 23, and it did not come. A filing on Monday, October 26 still allows a roadshow from November 10, and a filing by Friday, October 30 still leaves room for a roadshow from Monday, November 16 and, with a one-week roadshow, trading before Thanksgiving on November 26. Each day of delay after that pushes the deal toward December, so the filing itself is the clearest sign of whether the late-November date holds.
One more sequencing detail matters. Reuters reported that Anthropic is working to finalise a $15 billion revolving credit facility before analyst meetings begin. Credit facilities of that size usually close before a roadshow, not during one, because underwriters and lenders both need final terms locked before public investor conversations start.
How to read any Anthropic IPO date you see online. The filings give the ticker ANT and, since November 10, a $70 to $78 range, but no date. The trading date comes from press reports (November 19, CNBC) until the final 424(b)(4) prospectus is filed. Prediction markets, secondary-market platforms and data vendors will all display numbers — those are estimates, order-book prices or placeholders, not terms of an offering.