Value Proposition & Features
- Activity tracking: live activity tracking, automatic activity detection, and adaptive goals based on Readiness. [9l3949]
- Heart-health metrics: continuous heart rate, Cardiovascular Age, and Cardio Capacity/VO₂ max. [9l3949]
- Metabolic-health tools: GLP-1 Insights, Meals, lab uploads, Health Panels, and CGM integration. [9l3949]
- Health-data interpretation: the app converts measurements into practical recommendations intended to support healthier routines. [E1]
Screenshots
Product Roadmap / Announcements
Recent Developments
History and Origin Story
Fundraising History
{
"rounds": [
{
"id": "oura:other:2025-10-14",
"url": "https://fireround.dev/companies/ouraring.com",
"company": {
"name": "Oura",
"domain": "ouraring.com",
"website": "https://ouraring.com/",
"description": "Oura sells a smart ring that provides insights into health metrics, targeting health-conscious consumers and fitness enthusiasts.",
"sector": "healthtech",
"headquarters": "Finland"
},
"stage": "other",
"stage_as_written": "funding round",
"amount": {
"usd_millions": 900,
"as_written": "$900M",
"currency": "USD"
},
"valuation": "$11 billion",
"valuation_disclosed": true,
"total_as_written": null,
"announced_on": "2025-10-14",
"date_precision": "day",
"certainty": "announced",
"verified": true,
"provisional": false,
"earlier_round": true,
"is_extension": false,
"lead_investors": [
"Fidelity Management & Research Company"
],
"other_investors": [
"Atreides Management",
"Iconiq",
"Whale Rock Capital"
],
"evidence": "ŌURA, maker of the most trusted smart ring, Oura Ring, today announced it has raised over $900M in funding led by Fidelity Management & Research Company.",
"primary_source": {
"url": "https://www.businesswire.com/news/home/20251014306417/en/URA-Raises-Over-%24900M-to-Accelerate-Global-Expansion-and-Health-Innovation",
"kind": "wire"
},
"sources": [
{
"url": "https://www.businesswire.com/news/home/20251014306417/en/URA-Raises-Over-%24900M-to-Accelerate-Global-Expansion-and-Health-Innovation",
"title": "ŌURA Raises Over $900M to Accelerate Global Expansion and Health Innovation",
"publisher": "businesswire.com",
"published": "2025-10-14"
}
],
"source_count": 1,
"trending": null,
"previous_rounds": [
{
"id": "oura:series_d_plus:2024-12-19",
"stage": "series_d_plus",
"stage_as_written": "Series D",
"amount": {
"usd_millions": 200,
"as_written": "$200 million"
},
"announced_on": "2024-12-19",
"lead_investors": [
"Fidelity Management & Research Company",
"Dexcom"
],
"url": "https://www.businesswire.com/news/home/20241219533815/en/URA-Secures-%24200-Million-in-Series-D-Funding"
},
{
"id": "oura:series_c:2021-05-04",
"stage": "series_c",
"stage_as_written": "Series C",
"amount": {
"usd_millions": 100,
"as_written": "$100 million"
},
"announced_on": "2021-05-04",
"lead_investors": [
"The Chernin Group",
"Elysian Park"
],
"url": "https://techcrunch.com/2021/05/04/fitness-ring-maker-oura-raises-100m"
},
{
"id": "oura:series_b:2020-03-17",
"stage": "series_b",
"stage_as_written": "Series B",
"amount": {
"usd_millions": 28,
"as_written": "$28 million"
},
"announced_on": "2020-03-17",
"lead_investors": [],
"url": "https://techcrunch.com/2020/03/17/oura-raises-28-million-for-its-health-and-sleep-tracking-ring"
},
{
"id": "oura:other:2018-07-12",
"stage": "other",
"stage_as_written": "funding round",
"amount": {
"usd_millions": 5.829,
"as_written": "€5 million"
},
"announced_on": "2018-07-12",
"lead_investors": [
"Bold Capital Partners",
"Tesi"
],
"url": "https://tech.eu/2018/07/12/finland-based-sleep-tech-startup-oura-health-raises-e5-million-appoints-new-ceo"
},
{
"id": "oura:series_a:2016-11-29",
"stage": "series_a",
"stage_as_written": "Series A",
"amount": {
"usd_millions": 5.288,
"as_written": "€5 million"
},
"announced_on": "2016-11-29",
"lead_investors": [],
"url": "https://techcrunch.com/2016/11/29/oura-ring-raises-e5-million-to-take-its-smart-jewelry-mainstream"
}
]
},
{
"id": "oura:series_d_plus:2024-12-19",
"url": "https://fireround.dev/companies/ouraring.com",
"company": {
"name": "Oura",
"domain": "ouraring.com",
"website": "https://ouraring.com/",
"description": "Oura sells a smart ring that provides insights into health metrics, targeting health-conscious consumers and fitness enthusiasts.",
"sector": "healthtech",
"headquarters": "Finland"
},
"stage": "series_d_plus",
"stage_as_written": "Series D",
"amount": {
"usd_millions": 200,
"as_written": "$200 million",
"currency": "USD"
},
"valuation": "$5.2 billion",
"valuation_disclosed": true,
"total_as_written": null,
"announced_on": "2024-12-19",
"date_precision": "day",
"certainty": "announced",
"verified": true,
"provisional": false,
"earlier_round": true,
"is_extension": false,
"lead_investors": [
"Fidelity Management & Research Company",
"Dexcom"
],
"other_investors": [],
"evidence": "ŌURA, the company behind Oura Ring, the world’s leading smart ring, today announced the completion of a $200 million Series D funding round.",
"primary_source": {
"url": "https://www.businesswire.com/news/home/20241219533815/en/URA-Secures-%24200-Million-in-Series-D-Funding",
"kind": "wire"
},
"sources": [
{
"url": "https://www.businesswire.com/news/home/20241219533815/en/URA-Secures-%24200-Million-in-Series-D-Funding",
"title": "ŌURA Secures $200 Million in Series D Funding",
"publisher": "businesswire.com",
"published": "2024-12-19"
}
],
"source_count": 1,
"trending": null,
"previous_rounds": [
{
"id": "oura:series_c:2021-05-04",
"stage": "series_c",
"stage_as_written": "Series C",
"amount": {
"usd_millions": 100,
"as_written": "$100 million"
},
"announced_on": "2021-05-04",
"lead_investors": [
"The Chernin Group",
"Elysian Park"
],
"url": "https://techcrunch.com/2021/05/04/fitness-ring-maker-oura-raises-100m"
},
{
"id": "oura:series_b:2020-03-17",
"stage": "series_b",
"stage_as_written": "Series B",
"amount": {
"usd_millions": 28,
"as_written": "$28 million"
},
"announced_on": "2020-03-17",
"lead_investors": [],
"url": "https://techcrunch.com/2020/03/17/oura-raises-28-million-for-its-health-and-sleep-tracking-ring"
},
{
"id": "oura:other:2018-07-12",
"stage": "other",
"stage_as_written": "funding round",
"amount": {
"usd_millions": 5.829,
"as_written": "€5 million"
},
"announced_on": "2018-07-12",
"lead_investors": [
"Bold Capital Partners",
"Tesi"
],
"url": "https://tech.eu/2018/07/12/finland-based-sleep-tech-startup-oura-health-raises-e5-million-appoints-new-ceo"
},
{
"id": "oura:series_a:2016-11-29",
"stage": "series_a",
"stage_as_written": "Series A",
"amount": {
"usd_millions": 5.288,
"as_written": "€5 million"
},
"announced_on": "2016-11-29",
"lead_investors": [],
"url": "https://techcrunch.com/2016/11/29/oura-ring-raises-e5-million-to-take-its-smart-jewelry-mainstream"
},
{
"id": "oura:seed:2015-11-12",
"stage": "seed",
"stage_as_written": "seed funding round",
"amount": {
"usd_millions": 2.3,
"as_written": "$2.3 million"
},
"announced_on": "2015-11-12",
"lead_investors": [
"Lifeline Ventures"
],
"url": "https://theguycornernyc.com/2015/11/12/oura-secures-2-3m-in-seed-funding"
}
]
},
{
"id": "oura:series_c:2021-05-04",
"url": "https://fireround.dev/companies/ouraring.com",
"company": {
"name": "Oura",
"domain": "ouraring.com",
"website": "https://ouraring.com/",
"description": "Oura sells a smart ring that provides insights into health metrics, targeting health-conscious consumers and fitness enthusiasts.",
"sector": "healthtech",
"headquarters": "Finland"
},
"stage": "series_c",
"stage_as_written": "Series C",
"amount": {
"usd_millions": 100,
"as_written": "$100 million",
"currency": "USD"
},
"valuation": null,
"valuation_disclosed": null,
"total_as_written": "$148.3 million",
"announced_on": "2021-05-04",
"date_precision": "day",
"certainty": "announced",
"verified": true,
"provisional": false,
"earlier_round": true,
"is_extension": false,
"lead_investors": [
"The Chernin Group",
"Elysian Park"
],
"other_investors": [
"Temasek",
"Jazz Venture Partners",
"Eisai"
],
"evidence": "Today the company is announcing a $100 million Series C.",
"primary_source": null,
"sources": [
{
"url": "https://techcrunch.com/2021/05/04/fitness-ring-maker-oura-raises-100m",
"title": "Fitness ring maker Oura raises $100M | TechCrunch",
"publisher": "techcrunch.com",
"published": "2021-05-04"
}
],
"source_count": 1,
"trending": null,
"previous_rounds": [
{
"id": "oura:series_b:2020-03-17",
"stage": "series_b",
"stage_as_written": "Series B",
"amount": {
"usd_millions": 28,
"as_written": "$28 million"
},
"announced_on": "2020-03-17",
"lead_investors": [],
"url": "https://techcrunch.com/2020/03/17/oura-raises-28-million-for-its-health-and-sleep-tracking-ring"
},
{
"id": "oura:other:2018-07-12",
"stage": "other",
"stage_as_written": "funding round",
"amount": {
"usd_millions": 5.829,
"as_written": "€5 million"
},
"announced_on": "2018-07-12",
"lead_investors": [
"Bold Capital Partners",
"Tesi"
],
"url": "https://tech.eu/2018/07/12/finland-based-sleep-tech-startup-oura-health-raises-e5-million-appoints-new-ceo"
},
{
"id": "oura:series_a:2016-11-29",
"stage": "series_a",
"stage_as_written": "Series A",
"amount": {
"usd_millions": 5.288,
"as_written": "€5 million"
},
"announced_on": "2016-11-29",
"lead_investors": [],
"url": "https://techcrunch.com/2016/11/29/oura-ring-raises-e5-million-to-take-its-smart-jewelry-mainstream"
},
{
"id": "oura:seed:2015-11-12",
"stage": "seed",
"stage_as_written": "seed funding round",
"amount": {
"usd_millions": 2.3,
"as_written": "$2.3 million"
},
"announced_on": "2015-11-12",
"lead_investors": [
"Lifeline Ventures"
],
"url": "https://theguycornernyc.com/2015/11/12/oura-secures-2-3m-in-seed-funding"
}
]
},
{
"id": "oura:series_b:2020-03-17",
"url": "https://fireround.dev/companies/ouraring.com",
"company": {
"name": "Oura",
"domain": "ouraring.com",
"website": "https://ouraring.com/",
"description": "Oura sells a smart ring that provides insights into health metrics, targeting health-conscious consumers and fitness enthusiasts.",
"sector": "healthtech",
"headquarters": "Finland"
},
"stage": "series_b",
"stage_as_written": "Series B",
"amount": {
"usd_millions": 28,
"as_written": "$28 million",
"currency": "USD"
},
"valuation": null,
"valuation_disclosed": null,
"total_as_written": null,
"announced_on": "2020-03-17",
"date_precision": "day",
"certainty": "announced",
"verified": true,
"provisional": false,
"earlier_round": true,
"is_extension": false,
"lead_investors": [],
"other_investors": [
"Forerunner Ventures",
"Gradient Ventures",
"Square"
],
"evidence": "Oura has raised $28 million in Series B funding to bring on new key hires and product updates.",
"primary_source": null,
"sources": [
{
"url": "https://techcrunch.com/2020/03/17/oura-raises-28-million-for-its-health-and-sleep-tracking-ring",
"title": "Oura raises $28 million for its health and sleep tracking ring | TechCrunch",
"publisher": "techcrunch.com",
"published": "2020-03-17"
}
],
"source_count": 1,
"trending": null,
"previous_rounds": [
{
"id": "oura:other:2018-07-12",
"stage": "other",
"stage_as_written": "funding round",
"amount": {
"usd_millions": 5.829,
"as_written": "€5 million"
},
"announced_on": "2018-07-12",
"lead_investors": [
"Bold Capital Partners",
"Tesi"
],
"url": "https://tech.eu/2018/07/12/finland-based-sleep-tech-startup-oura-health-raises-e5-million-appoints-new-ceo"
},
{
"id": "oura:series_a:2016-11-29",
"stage": "series_a",
"stage_as_written": "Series A",
"amount": {
"usd_millions": 5.288,
"as_written": "€5 million"
},
"announced_on": "2016-11-29",
"lead_investors": [],
"url": "https://techcrunch.com/2016/11/29/oura-ring-raises-e5-million-to-take-its-smart-jewelry-mainstream"
},
{
"id": "oura:seed:2015-11-12",
"stage": "seed",
"stage_as_written": "seed funding round",
"amount": {
"usd_millions": 2.3,
"as_written": "$2.3 million"
},
"announced_on": "2015-11-12",
"lead_investors": [
"Lifeline Ventures"
],
"url": "https://theguycornernyc.com/2015/11/12/oura-secures-2-3m-in-seed-funding"
}
]
},
{
"id": "oura:other:2018-07-12",
"url": "https://fireround.dev/companies/ouraring.com",
"company": {
"name": "Oura",
"domain": "ouraring.com",
"website": "https://ouraring.com/",
"description": "Oura sells a smart ring that provides insights into health metrics, targeting health-conscious consumers and fitness enthusiasts.",
"sector": "healthtech",
"headquarters": "Finland"
},
"stage": "other",
"stage_as_written": "funding round",
"amount": {
"usd_millions": 5.829,
"as_written": "€5 million",
"currency": "EUR"
},
"valuation": null,
"valuation_disclosed": null,
"total_as_written": "€12.5 million",
"announced_on": "2018-07-12",
"date_precision": "day",
"certainty": "announced",
"verified": true,
"provisional": false,
"earlier_round": true,
"is_extension": false,
"lead_investors": [
"Bold Capital Partners",
"Tesi"
],
"other_investors": [],
"evidence": "Finnish healthtech startup Oura Health has secured a €5 million funding round",
"primary_source": null,
"sources": [
{
"url": "https://tech.eu/2018/07/12/finland-based-sleep-tech-startup-oura-health-raises-e5-million-appoints-new-ceo",
"title": "Finland-based sleep tech startup Oura Health raises €5 million, appoints new CEO",
"publisher": "tech.eu",
"published": "2018-07-12"
}
],
"source_count": 1,
"trending": null,
"previous_rounds": [
{
"id": "oura:series_a:2016-11-29",
"stage": "series_a",
"stage_as_written": "Series A",
"amount": {
"usd_millions": 5.288,
"as_written": "€5 million"
},
"announced_on": "2016-11-29",
"lead_investors": [],
"url": "https://techcrunch.com/2016/11/29/oura-ring-raises-e5-million-to-take-its-smart-jewelry-mainstream"
},
{
"id": "oura:seed:2015-11-12",
"stage": "seed",
"stage_as_written": "seed funding round",
"amount": {
"usd_millions": 2.3,
"as_written": "$2.3 million"
},
"announced_on": "2015-11-12",
"lead_investors": [
"Lifeline Ventures"
],
"url": "https://theguycornernyc.com/2015/11/12/oura-secures-2-3m-in-seed-funding"
}
]
},
{
"id": "oura:series_a:2016-11-29",
"url": "https://fireround.dev/companies/ouraring.com",
"company": {
"name": "Oura",
"domain": "ouraring.com",
"website": "https://ouraring.com/",
"description": "Oura sells a smart ring that provides insights into health metrics, targeting health-conscious consumers and fitness enthusiasts.",
"sector": "healthtech",
"headquarters": "Finland"
},
"stage": "series_a",
"stage_as_written": "Series A",
"amount": {
"usd_millions": 5.288,
"as_written": "€5 million",
"currency": "EUR"
},
"valuation": null,
"valuation_disclosed": null,
"total_as_written": "€7.2 million",
"announced_on": "2016-11-29",
"date_precision": "day",
"certainty": "announced",
"verified": true,
"provisional": false,
"earlier_round": true,
"is_extension": false,
"lead_investors": [],
"other_investors": [
"Joi Ito",
"Jaan Tallinn"
],
"evidence": "A Finnish startup called Ōura Ring has closed a series A round of €5 million to ramp up production of its smart, health-monitoring jewelry.",
"primary_source": null,
"sources": [
{
"url": "https://techcrunch.com/2016/11/29/oura-ring-raises-e5-million-to-take-its-smart-jewelry-mainstream",
"title": "Oura Ring raises €5 million to take its smart jewelry mainstream | TechCrunch",
"publisher": "techcrunch.com",
"published": "2016-11-30"
}
],
"source_count": 1,
"trending": null,
"previous_rounds": [
{
"id": "oura:seed:2015-11-12",
"stage": "seed",
"stage_as_written": "seed funding round",
"amount": {
"usd_millions": 2.3,
"as_written": "$2.3 million"
},
"announced_on": "2015-11-12",
"lead_investors": [
"Lifeline Ventures"
],
"url": "https://theguycornernyc.com/2015/11/12/oura-secures-2-3m-in-seed-funding"
}
]
},
{
"id": "oura:seed:2015-11-12",
"url": "https://fireround.dev/companies/ouraring.com",
"company": {
"name": "Oura",
"domain": "ouraring.com",
"website": "https://ouraring.com/",
"description": "Oura sells a smart ring that provides insights into health metrics, targeting health-conscious consumers and fitness enthusiasts.",
"sector": "healthtech",
"headquarters": "Finland"
},
"stage": "seed",
"stage_as_written": "seed funding round",
"amount": {
"usd_millions": 2.3,
"as_written": "$2.3 million",
"currency": "USD"
},
"valuation": null,
"valuation_disclosed": null,
"total_as_written": null,
"announced_on": "2015-11-12",
"date_precision": "day",
"certainty": "announced",
"verified": true,
"provisional": false,
"earlier_round": true,
"is_extension": false,
"lead_investors": [
"Lifeline Ventures"
],
"other_investors": [],
"evidence": "Oura Ring, the developer of the world’s first wellness ring and app ŌURA, announced that it has completed a $2.3 million seed funding round.",
"primary_source": null,
"sources": [
{
"url": "https://theguycornernyc.com/2015/11/12/oura-secures-2-3m-in-seed-funding",
"title": "How ŌURA Plans to Use Its New $2.3M Seed Funding",
"publisher": "theguycornernyc.com",
"published": "2015-11-12"
},
{
"url": "https://www.kaleva.fi/oululainen-ouraring-kerasi-21-miljoonaa-euroa-mitt/1801652",
"title": "Oululainen Ouraring keräsi 2,1 miljoonaa euroa mittaavalle sormukselle | Kaleva",
"publisher": "kaleva.fi",
"published": "2015-11-12"
}
],
"source_count": 2,
"trending": null,
"previous_rounds": []
}
]
}| Round | Date | Amount | Lead investor |
| Seed | 2015-11-12 | $2.3 million | Lifeline Ventures [F7] |
| Series A | 2016-11-29 | €5 million | Not specified [F6] |
| Funding round | 2018-07-12 | €5 million | Bold Capital Partners [F5] |
| Series B | 2020-03-17 | $28 million | Not specified [F4] |
| Series C | 2021-05-04 | $100 million | The Chernin Group; Elysian Park [F3] |
| Series D | 2024-12-19 | $200 million | Fidelity Management & Research Company; Dexcom [F2] |
| Funding round | 2025-10-14 | Over $900 million | Fidelity Management & Research Company [F1] |
| Total | 2015–2025 | At least $1.235 billion plus €10 million in listed rounds | — |
Notable Team Members
Market Sizing
Category, Market Size, and Category Growth
Pricing
| Product | Price |
| Oura Ring 5, Silver or Black | $399 [9l3949] |
| Oura Ring 5, premium finishes | $499 [9l3949] |
Revenue Trajectory Estimates
Competitive Landscape
Who it's for, who it's not for
Viable Alternatives
- Apple Watch: A stronger alternative for users prioritizing smartwatch functions, notifications, GPS, and broad fitness tracking.
- WHOOP: A subscription-oriented alternative focused heavily on strain, recovery, and training analytics.
- Samsung Galaxy Ring: A ring-form wearable alternative for users invested in Samsung’s health ecosystem.
- Ultrahuman Ring: A subscription-free-oriented smart-ring alternative emphasizing recovery and metabolic insights.
Competitor Table
| Competitor | Description |
| Apple Watch | Smartwatch alternative with extensive workout, health, GPS, and notification capabilities. |
| WHOOP | Screen-free wearable and analytics service centered on strain, recovery, sleep, and training. |
| Samsung Galaxy Ring | Smart-ring alternative integrated with Samsung Health and Galaxy devices. |
| Ultrahuman Ring | Smart-ring alternative focused on recovery, sleep, movement, and metabolic-health tracking. |
Sources
[9l3949] 2026, Oct 13. ouraring.com . What to Know When Buying an Oura Ring . Updated: 2026, Nov 06. Generated: 2026, Nov 06. Perplexity API response. [2]: 2026, Oct 13. ouraring.com . What to Know When Buying an Oura Ring . Updated: 2026, Nov 02. Generated: 2026, Nov 06. Perplexity API response. [3]: 2026, Oct 13. ouraring.com . What to Know When Buying an Oura Ring . Updated: 2026, Nov 06. Generated: 2026, Nov 06. Perplexity API response. [4]: 2026, Oct 20. ouraring.com . Cardio Effort and Automatic VO2 Max: Providing More ... . Updated: 2026, Nov 06. Generated: 2026, Nov 06. Perplexity API response. [5]: 2026, Oct 13. ouraring.com . What to Know When Buying an Oura Ring - Blogue THE PULSE . Updated: 2026, Nov 01. Generated: 2026, Nov 06. Perplexity API response. [6]: 2026, Oct 13. ouraring.com . What to Know When Buying an Oura Ring - THE PULSE Blog . Updated: 2026, Nov 01. Generated: 2026, Nov 06. Perplexity API response. [7]: 2026, Oct 13. ouraring.com . What to Know When Buying an Oura Ring - The Pulseブログ . Updated: 2026, Nov 02. Generated: 2026, Nov 06. Perplexity API response. [8]: 2026, Oct 13. ouraring.com . What to Know When Buying an Oura Ring - THE PULSE-bloggen . Updated: 2026, Nov 06. Generated: 2026, Nov 06. Perplexity API response. [9]: 2026, Oct 13. ouraring.com . What to Know When Buying an Oura Ring - The Pulse Blog . Updated: 2026, Oct 26. Generated: 2026, Nov 06. Perplexity API response. [10]: 2026, Oct 22. ouraring.com . Oura Partners with Leading Virtual Care Platform MD Live to Provide Personalized Support for People Using GLP-1 Medications, Complementing Clinical Care . Updated: 2026, Nov 06. Generated: 2026, Nov 06. Perplexity API response.
Sources (retrieved)
[F1] 2025, Oct 14. Business Wire . ŌURA Raises Over $900M to Accelerate Global Expansion and Health Innovation . Generated: 2026, Nov 06. Fireround API response.
[F2] 2024, Dec 19. Business Wire . ŌURA Secures $200 Million in Series D Funding . Generated: 2026, Nov 06. Fireround API response.
[F3] 2021, May 04. fireround.dev . Oura Series C . Generated: 2026, Nov 06. Fireround API response.
[F4] 2020, Mar 17. fireround.dev . Oura Series B . Generated: 2026, Nov 06. Fireround API response.
[F5] 2018, Jul 12. fireround.dev . Oura funding round . Generated: 2026, Nov 06. Fireround API response.
[F6] 2016, Nov 29. fireround.dev . Oura Series A . Generated: 2026, Nov 06. Fireround API response.
[F7] 2015, Nov 12. fireround.dev . Oura seed funding round . Generated: 2026, Nov 06. Fireround API response.
[E1] ouraring.com . ŌURA . Generated: 2026, Nov 06. Exa.ai API response.