Oura Ring Files for IPO, Challenges Wearable Giants

Oura, the innovative Finnish company behind the popular smart ring health tracker, has taken a significant step toward becoming a publicly traded entity. It confidentially submitted a Form S-1 to the U.S. Securities and Exchange Commission, preparing for an initial public offering. This move positions Oura to potentially challenge major players in the wearable technology market, offering an alternative to traditional watch-like devices.

Since its founding in 2015, Oura has gained global traction with its sleek ring, which monitors key health metrics including activity, sleep, and daily readiness. The company announced in September 2026 that it had sold over 5.5 million rings, a substantial increase from the previous year. This growth was further underscored by its Series E funding round, which raised $875 million at an $11 billion valuation, more than doubling its previous valuation.