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Confidential S-1 filed

Anthropic IPO: valuation, timeline and what the Claude maker's listing means

Anthropic has filed confidentially and is being priced above $2 trillion in pre-IPO secondary markets — more than double its last agreed private round. The S-1 is the missing piece.

Last reviewed 20 September 2026 · Compiled from public reporting, not from an exchange filing feed

Sector
Artificial intelligence
Exchange
Nasdaq (reported)
Expected window
Q4 2026 (reported)
Last valuation
$965B post-money (Series H, May 2026)
Reported target
~$2T reported IPO target
Revenue signal
Run-rate above $65B by end of July 2026
Backers
Altimeter Capital, Dragoneer, Greenoaks
Ratings
F 78 · H 99
Fundamental strength78/100
Hype score99/100
Fundamental B
Super Hyped

Where the listing stands

Anthropic filed its IPO paperwork confidentially on 1 June 2026, with Morgan Stanley and Goldman Sachs reported as lead bookrunners and JPMorgan joining the syndicate. Nasdaq has been reported as the chosen venue. Share count and pricing have not been set publicly, and until the S-1 is released no audited financials are available to public investors. A confidential filing starts the regulatory clock but commits the company to no date.

Valuation: the gap between private and speculative

The last agreed valuation is $965 billion post-money, set by a $65 billion Series H that closed at the end of May 2026 and was co-led by Altimeter Capital, Dragoneer, Greenoaks and Sequoia Capital. Pre-IPO speculation markets have since priced the company above $2 trillion — more than a trillion dollars above anything an investor has actually agreed to pay. That gap is the single most important number to watch when the prospectus finally prices.

The revenue trajectory

Anthropic's annualised run-rate crossed $47 billion in May 2026 and passed $65 billion by the end of July, driven overwhelmingly by enterprise adoption of Claude. Reported first-half 2026 revenue of roughly $16.2 billion is close to four times the full prior year. Growth of that shape is rare at this scale — but run-rate is not revenue, and the losses that come with frontier-model compute are reportedly very large.

What to look for in the S-1

Three disclosures will decide how this deal prices: the real (not run-rate) revenue and its concentration across enterprise customers, the compute commitments to infrastructure partners and cloud providers and how those obligations are booked, and the free float. A small float against a $2 trillion headline valuation can produce violent first-week pricing in either direction.

Strengths

  • Enterprise adoption of Claude is translating into some of the fastest revenue growth ever recorded at this scale
  • An unusually deep investor base, including Amazon, Google and major long-only institutions
  • Strategic infrastructure partnerships with Micron, Samsung and SK hynix supporting compute supply
  • A reported Nasdaq listing with tier-one underwriters, which supports orderly book-building

Risks

  • Pre-IPO speculative pricing sits more than $1T above the last agreed private round
  • Reported losses are very large and compute costs scale with usage
  • No audited public financials exist until the S-1 is released
  • Frontier-AI regulation and safety obligations could change the cost base quickly
  • Direct competition with OpenAI, Google and Meta for talent, compute and enterprise accounts

How to buy Anthropic stock

Want to invest in Anthropic? Here is how to buy Anthropic shares before and after the IPO.

  1. 1

    Know that Anthropic stock is not publicly traded yet

    Anthropic is still a private company (confidential s-1 filed), so there is no Anthropic ticker symbol and you cannot buy Anthropic shares on Nasdaq, the NYSE or through a regular brokerage app today. Any site selling "Anthropic stock" before the IPO prices should be treated with caution.

  2. 2

    Open and fund a brokerage account that offers IPO access

    When Anthropic lists, its shares will be available through most major brokers. Some platforms (for example Robinhood, SoFi, Fidelity, Charles Schwab and Interactive Brokers) also offer limited allocations at the IPO price before trading starts. Set up and fund an account in advance so you are ready on listing day.

  3. 3

    Request an IPO allocation or buy on the first day of trading

    Once Anthropic publishes its S-1 and sets a price range, eligible customers can request shares at the offer price. Allocations for hyped deals are usually small and oversubscribed. Otherwise you can place an order once the stock opens for trading — use a limit order, because first-day prices can swing sharply.

  4. 4

    Consider pre-IPO secondary markets (accredited investors only)

    Platforms such as Forge Global, EquityZen and Hiive sometimes list Anthropic shares sold by employees or early investors. These are generally restricted to accredited investors, carry high minimums, fees and transfer restrictions, and the company can block trades.

  5. 5

    Get indirect exposure through listed investors

    You can gain indirect exposure today by owning shares in publicly traded backers of Anthropic, such as Amazon (NASDAQ: AMZN), Alphabet (NASDAQ: GOOGL). The Anthropic stake is only one part of each of those businesses, so returns will not track Anthropic directly.

  6. 6

    Get alerted the moment it prices

    Join the FloatRadar waitlist to be notified when Anthropic's price range is set and to be introduced to brokers holding allocation.

Anthropic IPO — frequently asked questions

When is the Anthropic IPO?

No date is confirmed. Anthropic filed confidentially on 1 June 2026 and reporting has pointed to a listing as soon as Q4 2026, but the company has published no pricing date.

What exchange will Anthropic list on?

Nasdaq has been reported as the chosen venue. The ticker has not been disclosed.

What valuation is Anthropic targeting?

Reporting points to a target near $2 trillion, against a last agreed private valuation of $965 billion from the May 2026 Series H.

How to buy Anthropic IPO?

To buy the Anthropic IPO, open a brokerage account that offers IPO access (for example Robinhood, SoFi, Fidelity, Charles Schwab or Interactive Brokers), request an allocation once the price range is published, or buy shares with a limit order on the first day of trading. Anthropic is still private (confidential s-1 filed), so no shares are available yet.

Where to buy Anthropic IPO?

Once listed, Anthropic shares will trade on Nasdaq and be available through any major broker. Before listing, accredited investors may find pre-IPO shares on secondary marketplaces such as Forge Global, EquityZen and Hiive, subject to high minimums and company transfer approval.

What is the Anthropic IPO share price?

There is no IPO share price yet. The last private valuation was $965B post-money (Series H, May 2026) and the reported IPO target is ~$2T reported IPO target. The per-share price is only set when the S-1 publishes a price range shortly before trading begins.

What is the Anthropic IPO date?

The Anthropic IPO date has not been announced. Current reporting points to Q4 2026 (reported). Dates are typically confirmed only a few weeks before listing, after the roadshow and pricing.

What is the Anthropic valuation?

Anthropic's last private-market valuation was $965B post-money (Series H, May 2026), with a reported IPO target of ~$2T reported IPO target. Revenue signal: Run-rate above $65B by end of July 2026.

Has Anthropic filed an S-1?

Not publicly. Anthropic is currently confidential s-1 filed. A public S-1 filing with the SEC will be the first official confirmation of the IPO, and it will reveal the ticker symbol, financials and price range.

When will Anthropic go for IPO?

Based on current reporting, Anthropic is expected to go public around Q4 2026 (reported). The company has not committed to a date, and market conditions can delay or accelerate the plan.

Which stock market will the Anthropic IPO list on?

Anthropic is expected to list on Nasdaq. The final exchange and ticker symbol will be confirmed in the S-1 filing.

What is the minimum investment to buy the Anthropic IPO?

For retail IPO access programmes there is usually no formal minimum beyond the cost of one share, though brokers may set their own thresholds. On the first day of trading you can buy a single share (or a fractional share at brokers that support it). Pre-IPO secondary platforms typically require accredited-investor status and minimums of $10,000–$100,000.

When is the earliest opportunity to buy Anthropic IPO shares?

The earliest opportunity for most investors is requesting an allocation at the IPO price through a broker with access, once the price range is set. Accredited investors can sometimes buy earlier on secondary marketplaces. Everyone else can buy the moment shares open for trading on listing day — expected around Q4 2026 (reported).

Which stockbrokers are selling Anthropic IPO shares?

No broker is selling Anthropic shares yet because the IPO has not priced. Brokers that commonly offer IPO access to retail clients include Robinhood, SoFi, Fidelity, Charles Schwab and Interactive Brokers. Join the FloatRadar waitlist and we will introduce you to brokers holding allocation when the deal launches.

How to buy the Anthropic IPO before the stock market listing?

Before the listing, the only routes are pre-IPO secondary marketplaces (Forge Global, EquityZen, Hiive) — generally restricted to accredited investors with high minimums and company approval — or an IPO allocation at the offer price through a participating broker. Indirect exposure is also possible today via listed backers such as Amazon (NASDAQ: AMZN), Alphabet (NASDAQ: GOOGL).

How can I buy Anthropic stock?

You can't buy Anthropic stock on a public exchange yet because the company is private. Once it lists (expected window: Q4 2026 (reported)), you can buy through any major broker or request an IPO allocation. Before then, accredited investors may find shares on secondary platforms such as Forge Global or EquityZen.

How to buy Anthropic shares before the IPO?

Pre-IPO Anthropic shares occasionally trade on secondary marketplaces, but access is typically limited to accredited investors with high minimums and company approval required for transfers. A simpler route is indirect exposure through listed backers such as Amazon (NASDAQ: AMZN), Alphabet (NASDAQ: GOOGL).

What is the Anthropic stock ticker symbol?

Anthropic does not have a ticker symbol yet. The symbol will be announced in its public S-1 filing shortly before it begins trading on Nasdaq.

What will the Anthropic IPO price be?

No price range has been published. The last private valuation was $965B post-money (Series H, May 2026), and the reported IPO target is ~$2T reported IPO target. The per-share price will only be known once the S-1 sets a range.

Can I buy Anthropic stock on Robinhood?

Not yet. Anthropic is not listed, so it cannot be bought on Robinhood or any other retail app today. Robinhood and several other brokers offer IPO access programmes, which may include Anthropic once the offering launches.

Is Anthropic a good investment?

FloatRadar rates Anthropic 78/100 for fundamental strength and 99/100 for hype. Strengths include enterprise adoption of claude is translating into some of the fastest revenue growth ever recorded at this scale; the biggest risk is pre-ipo speculative pricing sits more than $1t above the last agreed private round. This is not investment advice — read the prospectus before investing.

Who owns Anthropic?

Anthropic is privately held by its founders, employees and investors including Altimeter Capital, Dragoneer, Greenoaks, Sequoia Capital, Amazon, Google.

How do I get notified when Anthropic goes public?

Join the FloatRadar waitlist for an alert the moment Anthropic's price range is set, plus introductions to brokers with allocation access.

Sources

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Figures are drawn from public reporting on the dates shown and can change without notice. Nothing here is investment advice; capital is at risk.