Oura
Oura sells the Oura Ring, a smart ring with a companion app that uses AI-driven insights on sleep, readiness, fitness and women's health. About 80% of revenue comes from hardware and about 20% from a monthly membership. Customers are mainly consumers, plus partners such as the NBA and the US military. Oura reported over $500M in revenue in 2024 and expected about $1B in 2025. It had sold over 5.5M rings by September 2025 and raised a $900M+ Series E at an $11B valuation in October 2025. It filed an S-1 in September 2026 for a Nasdaq listing under the ticker OURA. The company was founded in Oulu, Finland, and it now has its headquarters in San Francisco.
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