IPO · IPO · Registration Statement · Filed

Anthropic sets terms for its initial public offering

Anthropic filed its initial registration statement on October 26. Its amendment of November 10 set the size and expected price range of a proposed offering of Class A common stock. Strategic partners agreed to a concurrent private placement, which is recorded as a separate event.

Announced Nov 10, 2026Filed Oct 26, 2026Reviewed Nov 12, 2026Event ID evt_anthropic_ipo_2026

Class A shares in the proposed offering
825,000,000 shares
S-1/A

Capacity and counts

MeasureValueSource
Class A shares in the proposed offering
“This is an initial public offering of shares of Class A common stock of Anthropic, PBC. We are selling 801,351,354 shares of Class A common stock and the selling stockholders identified in this prospectus are selling an additional 23,648,646 shares of Class A common stock.”
825,000,000 sharesS-1/A ↗
Additional shares covered by the underwriters’ option
“the underwriters have the option to purchase up to an additional 123,750,000 shares of Class A common stock from Anthropic, PBC at the initial public offering price less the underwriting discount.”
≤123,750,000 sharesS-1/A ↗

Participants

Amounts per investor are shown only when a source states them

OrganizationRoleTypeNote
AnthropicIssuer, FilerAI lab—

Key terms

Initial filing
Anthropic filed its initial Form S-1 on October 26, 2026. S-1 ↗
“As filed with the Securities and Exchange Commission on October 26, 2026.”
Expected price range
The initial public offering price is expected to be between $70.00 and $78.00 per share. S-1/A ↗
“It is currently estimated that the initial public offering price per share will be between $70.00 and $78.00.”
Listing plan
Anthropic applied to list its Class A common stock on the Nasdaq Global Select Market under ANT. S-1/A ↗
“We have applied to list our Class A common stock on the Nasdaq Global Select Market under the symbol "ANT."”

Context

  • Anthropic $26 billion strategic private placement alongside its IPO

    Nov 10, 2026 · The concurrent private placement is contingent on this offering.

  • Company metric in the same source: Run-rate revenue ≈$81B

    Filed, as of Oct 31, 2026 · “Additionally, our Run-Rate Revenue was approximately $81 billion as of October 31, 2026, up $10 billion from September 30, 2026.”

Sources

  1. SEC EDGAR (Anthropic, PBC), “Anthropic, PBC Amendment No. 2 to Form S-1, November 10, 2026”, Nov 10, 2026 · Form S-1/A, accession 0001628280-26-072484 · retrieved Nov 12, 2026
  2. SEC EDGAR (Anthropic, PBC), “Anthropic, PBC Form S-1, October 26, 2026”, Oct 26, 2026 · Form S-1, accession 0001628280-26-067168 · retrieved Nov 12, 2026

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