Klarna Leads US IPO Candidates Set to Kick Off September Rush

A wave of IPO filings in August led by Klarna Group Plc has set the stage for a half-dozen companies to potentially begin marketing their listings as soon as next week, stoking high expectations for the coming months.

The digital payments company updated its filings with the US Securities and Exchange Commission on Aug. 15 to include its latest financial results, signaling its readiness to move ahead with a listing. Bloomberg News reported in July that Klarna was gearing up preparations to revive the paused IPO plan as soon as in September.

It would join companies including Gemini Space Station ...