[Anthropic: Historically Significantly Underestimated Capacity Demand] Anthropic's IPO underwriters include Bank of America, Deutsche Bank, Royal Bank of Canada, and UBS. Other underwriters include JPMorgan Chase, Citigroup, Bank of Montreal, BNP Paribas, Crédit Agricole, and Jefferies. Anthropic stated that it had historically significantly underestimated capacity demand.