Oura Health Oy, a Finnish smart ring manufacturer, has confidentially submitted a draft S-1 registration statement to the U.S. Securities and Exchange Commission on May 21, aiming to go public on the U.S. stock market later this year. According to ChainCatcher, Goldman Sachs and JPMorgan Chase will act as lead underwriters for the IPO.
Founded in 2013 in Oulu, Finland, Ōura was established by Petteri Lahtela, Kari Kivelä, and Markku Koskela, all of whom have backgrounds with Nokia and Polar, a global leader in heart rate monitoring. In October 2025, the company completed a Series E funding round led by Fidelity Investments, raising $875 million and achieving a post-money valuation of $11 billion. Prior to this, the company had raised over $1.5 billion in total funding.