Oura
Smart ring for sleep, activity, recovery, and temperature tracking, paired with a health and longevity subscription
Consumer Hardware
📍 Oulu, Finland
Founded 2013
Current Valuation
$11B
as of 2025-Q4
DECACORN
Oura is a Finnish health-tech company best known for the Oura Ring, a smart ring that tracks sleep, activity, recovery, heart-rate variability, and body temperature, paired with a paid Oura Membership for premium insights. Founded in Oulu in 2013, the company has sold more than 5.5 million rings cumulatively and roughly doubled revenue to about $1B in 2025. In October 2025 Oura closed a $900M Series E led by Fidelity at an $11B valuation, up from $5.2B a year earlier, and is widely viewed as an IPO candidate.
Company Profile
Growth
~100% YoY revenue growth (doubled from $500M in 2024); 5.5M+ rings sold cumulatively
Last Round
Series E — $900M (Oct 2025) · Lead: Fidelity Management & Research
Founders & Key People
Petteri LahtelaMarkku KoskelaKari Kivela
Investors
Fidelity Management & Research · Forerunner Ventures · Dexcom · The Chernin Group · Glynn Capital · Temasek · Capricorn Investment Group
Products
- Oura Ring Gen 4 (smart ring with sleep, activity, HRV, temperature tracking)
- Oura App (insights, scores, trends)
- Oura Membership (premium health and longevity subscription)
Competitors
Whoop · Apple Watch · Fitbit (Google) · Garmin · Samsung Galaxy Ring · Ultrahuman
Consumer HardwareWearablesConnected FitnessB2CHealth TechSubscription
Private-company numbers are not real-time. Reflects publicly disclosed valuations from press releases, news reports, and tender offers as of 2025-Q4. Refreshed quarterly.