UK investment platforms line up for Anthropic’s landmark $1.4tn float

Several of the UK s top investment platforms have begun accepting orders from retail investors for shares in Anthropic, as the Claude maker gears up for one of one of the biggest IPOs of all time. The AI firm is set to list on the Nasdaq on 19 November and is targeting a $1.4 trillion valuation (£1.1 trillion), according to the latest company filings. Investment bankers are now weighing plans to increase the group’s IPO price after heavy investor demand, according to reports.  London-based fintech platform RetailBook has been appointed to co-ordinate the retail offer in the UK, with Anthropic issuing 825,000,000 shares at an estimated price of $70 to $78 per share, with 20 per cent of the offer being reserved for retail investors. It is unconfirmed how many shares will be issued to the UK. Typically, under US listing rules, IPOs are off-limits to international retail investors, but the firm is using the Financial Conduct Authority’s public offer platform (POP) regime to grant