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Health Ring Maker Oura Files for IPO, Eyes Public Markets

Oura has confidentially filed its initial public offering prospectus with the Securities and Exchange Commission. The company did not specify a timeline for going public, stating the offering would proceed following SEC review and subject to market conditions. Founded in 2015, Oura's smart ring has expanded beyond sleep monitoring to encompass broader health and wellness capabilities. The company reported it is on track to exceed five million paid subscribers this quarter, representing a fourfold increase over two years. Revenue has grown proportionally, quadrupling over the same period. Oura achieved an $11 billion valuation following its $900 million Series E funding round in October. The company has been named to the CNBC Disruptor 50 list four times, ranking 14th in 2026.