# Oura: company

Canonical ID: `8b13207b-ea44-42e3-8878-ec5f057b628b`

## Key facts

- **Product:** Oura Ring 4 smart ring (sleep/readiness/temp + AI Advisor); general-wellness; purchase + $5.99/mo membership.
- **Counter-case:** Pursuing BP via a study BEFORE marketing (disciplined counter-case to Whoop's warning letter).

- **Slug:** oura
- **Status:** private ($11B valuation; Series E ~$900M Oct 2025)
- **Founded:** 2013
- **HQ:** Oulu, Finland

## Models

- [Oura Ring 4](/models/oura-ring-4.md) (biometric) (id: `0d72f116-5e60-426c-80a6-afb2cf156c84`)

## Supplies to

_No verified supply relationships on file. Supply-chain coverage is being added across the registry; check back as the seed populates this company's outbound edges._

_Outbound supply edges. Each appears when verified with at least two strong sources. Sources are append-only; corrections add new sources rather than rewrite history._

## Sources (4)

1. https://www.cnbc.com/2025/10/14/oura-smart-ring-11-billion-valuation.html
2. https://ouraring.com/blog/oura-ring-4/
3. https://www.medtechdive.com/news/oura-blood-pressure-fda-study/
4. https://sleepreviewmag.com/sleep-diagnostics/consumer-sleep-tracking/oura-ring-4-sleep-accuracy/

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