Anthropic’s anticipated initial public offering (IPO) valuation has been revised down to $1.5 trillion, a decrease of $500 billion from previous expectations of $2 trillion. This adjustment comes as the company reported a 45% growth in revenue for the third quarter, reaching $16.8 billion, following a significant increase in the previous quarter.
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On October 15, 2026, Reuters reported that some investors are reassessing their valuations ahead of the company's planned IPO in November. This reassessment occurred during an investor day at Anthropic's San Francisco offices. While some investors suggested a higher figure, the final valuation remains uncertain as the company has not disclosed an official price.
Both Amazon and Alphabet, which have invested in Anthropic, viewed the developments with their stock prices reflecting minor changes on the same day. Amazon shares closed at $254.76, up 0.27%, while Alphabet Class A shares ended at $349.22, up 0.45%. A lower IPO valuation would potentially diminish the inflated paper gains that both companies have already seen from their investments in Anthropic.
As Anthropic is a private entity, its performance in the public markets is significantly linked to the fortunes of Amazon and Alphabet, as they are not only investors but also competitors and partners. The slowing growth of Anthropic, which previously witnessed a doubling of revenue from the first to the second quarter, has stirred concerns among investors about future earnings potential.