Klarna Affirm IPO buy now pay later Visa Mastercard.

Klarna CEO Sebastian Siemiatkowski, right, rings a ceremonial bell as his company's IPO begins trading on the floor of the New York Stock Exchange, Wednesday, Sept. 10, 2025. NYSE President Lynn Martin applauds at left. (AP Photo/Richard Drew)

Klarna shares rise 15% in their first day of trading on Wall Street

Klarna made a solid debut on the New York Stock Exchange, with shares of the Swedish buy now, pay later company rising nearly 15%. The initial public offering was priced at $40, and the shares rose as high as $57 Wednesday before losing some momentum. Founded in 2005, Klarna aims to challenge traditional credit cards with its popular “pay-in-4” plan. Klarna’s co-founders are now billionaires, and major investors like Sequoia Capital are seeing substantial returns. The company is trading under the symbol “KLAR.” Other notable IPOs this year include the design software company Figma and Circle Internet Group, which issues the USDC stablecoin.

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