Goldman and Morgan Stanley land lead roles in Anthropic IPO, shares jump

Goldman Sachs was named lead left underwriter and Morgan Stanley the stabilization agent for Anthropic's upcoming IPO. The appointment was disclosed in the filing on October 26, 2026. Following the announcement, Goldman shares rose 2.2% and Morgan Stanley shares rose 2.6%. The KBW Nasdaq Bank Index also gained 0.9% as the news spread.

The appointment boosted investor sentiment toward the banks, lifting their stock prices by 2.2% and 2.6% respectively, according to the market reaction reported in the filings.

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