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Case: Anthropic's IPO 10 stories

Google and Nvidia would each buy about $10.0 billion of Anthropic stock

Anthropic, maker of Claude, says in its 10 November S-1 that seven companies agreed to buy $26.0 billion of stock right after its IPO, subject to conditions.

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Check our sources · 10 facts from 1 source
Dario Amodei, Anthropic's chief executive, speaking on stage at TechCrunch Disrupt in San Francisco in 2023.Kimberly White / Getty Images for TechCrunch / Dario Amodei at TechCrunch Disrupt 2023 / CC BY 2.0, cropped
Dario Amodei, Anthropic's chief executive, at a 2023 conference; Anthropic's own filing is the source of the notice. source · CC BY 2.0

Key points

  1. Google, Nvidia, AMD, Broadcom, Micron, Microsoft and TSMC Partners have agreed to buy $26.0 billion of Class N stock at the IPO price, right after the IPO.
  2. At an assumed price of $74.00, the midpoint of the $70.00 to $78.00 range, Google and Nvidia would each pay about $10.0 billion and AMD about $2.5 billion.
  3. Google's $10.0 billion uses an option from its March 2026 note purchase agreement, which cuts the amount left under that agreement from $20.0 billion to $10.0 billion.

What happened

Seven companies have agreed, subject to conditions, to buy a combined $26.0 billion of Anthropic's Class N shares in a private placement that closes right after its IPO. Google and Nvidia would each buy about $10.0 billion, according to Anthropic's amended Form S-1 filed with the SEC on 10 November.

The other buyers are AMD at about $2.5 billion, Broadcom, Micron and Microsoft at about $1.0 billion each, and TSMC Partners at about $500 million. The share counts assume an IPO price of $74.00, the midpoint of the expected $70.00 to $78.00 range.

Google's $10.0 billion uses an option Anthropic granted it with its March 2026 note purchase agreement, and it has agreed to exercise it in full. That cuts what Google can still put in under that agreement from $20.0 billion to $10.0 billion. AMD's purchase counts toward the up to $5.0 billion of Anthropic stock it committed to buy under its July 2026 hardware supply agreement, leaving up to $2.5 billion.

Anthropic says it trains and serves Claude across four chip families, AWS Trainium, Google TPUs, NVIDIA GPUs and AMD GPUs.

The placement is contingent on the IPO completing. Anthropic receives all the proceeds and pays no underwriting discounts or commissions on these shares, which are not registered in the offering and are restricted securities.

What it means for you

Our view

The filing shows two buyers paying under earlier agreements: Google through an option in its note purchase agreement, AMD against a stock commitment in its hardware supply agreement. Anthropic receives all the proceeds and pays no underwriting discounts on these shares.

For anyone who relies on Claude, the filing describes who funds Anthropic, not a change to the product or its price. The sale depends on the IPO completing, and the share counts rest on an assumed price, so the final figures can differ.

If you review vendor risk for Claude, note the date the final prospectus sets the IPO price and check then whether the placement closed as described.

It adds no new facts.

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Check our sources

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1 Anthropic, PBC Amendment No. 2 to Form S-1Anthropic, PBC (SEC EDGAR) · 10 Nov 2026 · 10 facts Open the source archived copy
  1. Anthropic's Amendment No. 2 to its Form S-1, dated 10 November 2026, says that immediately after the completion of the offering, and subject to certain conditions, Google LLC, NVIDIA Corporation, Advanced Micro Devices, Inc., Broadcom Inc., Micron Technology, Inc., Microsoft Corporation and TSMC Partners, Ltd. will purchase, severally and not jointly, an aggregate of $26.0 billion of Class N common stock from Anthropic in a private placement at a price per share equal to the initial public offering price.

    pursuant to which they have agreed, severally and not jointly, to purchase an aggregate of $26.0 billion of our Class N common stock in a private placement at a price per share equal to the initial public offering price. The private placement is contingent upon, and is scheduled to close immediately subsequent to, the completion of this offering as well as the satisfaction of certain conditions
    cite
  2. At an assumed initial public offering price of $74.00 a share, the midpoint of the estimated range on the prospectus cover, the S-1 says Google would purchase 135,135,135 shares of Class N common stock for approximately $10.0 billion and NVIDIA 135,135,135 shares for approximately $10.0 billion.

    Based on an assumed initial public offering price of $74.00 per share, which is the midpoint of the estimated offering price range set forth on the cover page of this prospectus, Google LLC would purchase 135,135,135 shares of our Class N common stock for approximately $10.0 billion , NVIDIA Corporation (NVIDIA) would purchase 135,135,135 shares of our Class N common stock for approximately $10.0 billion
    cite
  3. At that assumed price the S-1 says AMD would purchase 33,783,783 shares for approximately $2.5 billion; Broadcom, Micron and Microsoft would each purchase 13,513,513 shares for approximately $1.0 billion; and TSMC Partners would purchase 6,756,756 shares for approximately $500 million.

    Advanced Micro Devices, Inc. (AMD) would purchase 33,783,783 shares of our Class N common stock for approximately $2.5 billion , Broadcom Inc. (Broadcom) would purchase 13,513,513 shares ... for approximately $1.0 billion , Micron Technology, Inc. (Micron) would purchase 13,513,513 shares ... for approximately $1.0 billion , Microsoft Corporation (Microsoft) would purchase 13,513,513 shares ... for approximately $1.0 billion , and TSMC Partners, Ltd. (TSMC) would purchase 6,756,756 shares of our Class N common stock for approximately $500 million
    cite
  4. The S-1 says the estimated initial public offering price per share will be between $70.00 and $78.00.

    It is currently estimated that the initial public offering price per share will be between $70.00 and $78.00 .
    cite
  5. The S-1 says Anthropic will receive all of the proceeds from, and will not pay any underwriting discounts or commissions on, the shares sold in the concurrent private placement.

    We will receive all of the proceeds from, and will not pay any underwriting discounts or commissions with respect to, the shares that are sold in the concurrent private placement.
    cite
  6. The S-1 says the sale of the shares in the concurrent private placement is contingent upon the completion of the offering and the satisfaction of certain conditions, and that the Class N shares will not be registered in the offering and will be restricted securities under the Securities Act.

    The sale of the shares in the concurrent private placement is contingent upon the completion of this offering and the satisfaction of certain conditions ... The shares of Class N common stock sold in the concurrent private placement will not be registered in this offering, and will be restricted securities under the Securities Act
    cite
  7. The S-1/A says that in connection with the Google 2026 NPA (an agreement entered into in March 2026) Anthropic granted Google an option to purchase up to $10.0 billion of its Class N common stock in a private placement concurrent with the offering, and that Google has agreed to exercise this option in full.

    In connection with the Google 2026 NPA, we granted Google an option to purchase up to $10.0 billion of our Class N common stock in a private placement concurrent with this offering at the initial public offering price. Google has entered into an agreement with us pursuant to which it has agreed to exercise this option in full.
    cite
  8. The S-1/A says the amount available for issuance under the Google 2026 NPA will be reduced from $20.0 billion to $10.0 billion upon the closing of the concurrent private placement, as a result of Google's agreement to exercise its option in full.

    Will be reduced from $20.0 billion to $10.0 billion upon the closing of the concurrent private placement, as a result of Google’s agreement to exercise in full its option to purchase shares of our Class N common stock in a private placement concurrent with this offering
    cite
  9. The S-1/A says that under the hardware supply framework agreement Anthropic made with AMD in July 2026, AMD has committed to purchase up to $5.0 billion of Anthropic's Class N common stock, and that the $2.5 billion AMD pays in the concurrent private placement will satisfy a portion of that commitment, leaving up to $2.5 billion.

    In July 2026, we entered into a hardware supply framework agreement (the “Hardware Supply Agreement”) with AMD ... AMD has provided a commitment to purchase up to $5.0 billion of our Class N common stock ... the $2.5 billion purchase price paid by AMD for shares of our Class N common stock in the concurrent private placement will satisfy a portion of the AMD Equity Commitment ... following the closing of the concurrent private placement, up to $2.5 billion of the AMD Equity Commitment will remain
    cite
  10. Anthropic says in the S-1/A that it trains and serves Claude natively across four major chip families (AWS Trainium, Google TPUs, NVIDIA GPUs and AMD GPUs).

    Toned down to what the source says
    We train and serve Claude natively across four major chip families (AWS Trainium, Google TPUs, NVIDIA GPUs, and AMD GPUs) using a proprietary orchestration layer that enables us to optimize workloads for price and performance.
    cite

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