Which bank will lead Anthropic's IPO?

If Morgan Stanley serves as lead-left underwriter on Anthropic's initial public offering in the United States before Jan 1, 2028, then the market resolves to Yes.

If two or more underwriters are presented on the cover of the final prospectus as jointly occupying the lead-left position, such that no single underwriter is uppermost-and-leftmost (for example, two names sharing equal top billing), then each such underwriter's outcome resolves to $1/(the number of tied underwriters), rounded down, for “Yes”, and “No” will be paid $1 minus the Yes value.

Outcome verified from SEC EDGAR database filings.