# Y Combinator's Fitness Investments: 15 Startups in Its Portfolio (2026) > The 15 Fitness startups Y Combinator has backed, by stage: $199M raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/y-combinator-fitness-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Pre-seed and seed 6 - [*O* Open](https://millionrounds.com/company/open) - [*B* Balanced](https://millionrounds.com/company/balanced) - [NaoX Technologies](https://millionrounds.com/company/naox-technologies) - [*Z* Zen](https://millionrounds.com/company/zen) - [Terra API](https://millionrounds.com/company/terra-api) - [FlexifyMe](https://millionrounds.com/company/flexifyme) ## Stage not reported 5 - [*H* Hero](https://millionrounds.com/company/hero) - [Fort](https://millionrounds.com/company/fort) - [Liv Labs](https://millionrounds.com/company/liv-labs) - [Million Marker](https://millionrounds.com/company/million-marker) - [Aduri](https://millionrounds.com/company/aduri) ## Series A 4 - [arketa](https://millionrounds.com/company/arketa) - [Quell](https://millionrounds.com/company/quell) - [Pattern Health](https://millionrounds.com/company/pattern-health) - [ianacare](https://millionrounds.com/company/ianacare) ## Segment by segment ### Pre-seed and seed 6 startups · $136M raised - [*O* **Open**](https://millionrounds.com/company/open) India $114M - [*B* **Balanced**](https://millionrounds.com/company/balanced) Balanced is a payment marketplaces for online businesses connecting buyers and sellers United States $8.6M - [**NaoX Technologies**](https://millionrounds.com/company/naox-technologies) NaoX Technologies develops wireless headphones that listen to brain vibrations. France $4.8M - [*Z* **Zen**](https://millionrounds.com/company/zen) Posture Correction Software United States $3.5M - [**Terra API**](https://millionrounds.com/company/terra-api) Terra API is a unified health data platform that simplifies access to health and fitness information for developers, businesses, a United Kingdom $2.8M - [**FlexifyMe**](https://millionrounds.com/company/flexifyme) FlexifyMe is a HealthTech startup based in Pune, India, founded in October 2021 by Amit Bhayani and Manjeet Singh. India $2.3M ### Stage not reported 5 startups · $32M raised - [*H* **Hero**](https://millionrounds.com/company/hero) United Kingdom $26M - [**Fort**](https://millionrounds.com/company/fort) FORTË, a B2B/SaaS solution enabling gyms, influencers & teams to build an interactive video monetization platform w/ community engagement. United States $5.0M - [**Liv Labs**](https://millionrounds.com/company/liv-labs) Liv Labs develops self-care tools and easy-access services for convenient management of urinary incontinence. United States $563K - [**Million Marker**](https://millionrounds.com/company/million-marker) Million Marker is a precision health company based in El Cerrito/Berkeley, CA, founded in 2019. United States $286K - [**Aduri**](https://millionrounds.com/company/aduri) Aduri designs develop, manufacture, and sell tech-enabled products that help people rest, recover, and re-focus. United States $150K ### Series A 4 startups · $31M raised - [**arketa**](https://millionrounds.com/company/arketa) Arketa is a New York-based company that provides an AI-powered wellness operating system for boutique fitness and wellness studios. United States $15M - [**Quell**](https://millionrounds.com/company/quell) Quell is a UK-based fitness gaming developer and publisher, known for creating the Impact platform, the world’s first dedicated fi United Kingdom $9.6M - [**Pattern Health**](https://millionrounds.com/company/pattern-health) Pattern Health is a digital health platform that helps researchers and clinicians create validated real-world programs. United States $3.3M - [**ianacare**](https://millionrounds.com/company/ianacare) ianacare is a Boston-based healthcare technology company focused on supporting family caregivers. United States $3.0M **How this map is made.** Every startup here works in Fitness and has raised money in a round we track that names Y Combinator as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026. ## More portfolio maps [All portfolios](https://millionrounds.com/portfolio-maps) [Sector portfolio **Y Combinator's AI portfolio** 1,143 startups · $44B](https://millionrounds.com/portfolio-maps/y-combinator-ai-portfolio)[Sector portfolio **Y Combinator's Fintech portfolio** 338 startups · $24B](https://millionrounds.com/portfolio-maps/y-combinator-fintech-portfolio)[Sector portfolio **Y Combinator's Big Data & Analytics portfolio** 201 startups · $3.4B](https://millionrounds.com/portfolio-maps/y-combinator-big-data-analytics-portfolio)[Sector portfolio **Y Combinator's Healthtech portfolio** 150 startups · $4.2B](https://millionrounds.com/portfolio-maps/y-combinator-healthtech-portfolio)[Sector portfolio **Y Combinator's IT Services portfolio** 148 startups · $840M](https://millionrounds.com/portfolio-maps/y-combinator-it-services-portfolio)[Sector portfolio **Y Combinator's Web3 & Crypto portfolio** 139 startups · $7.4B](https://millionrounds.com/portfolio-maps/y-combinator-web3-crypto-portfolio) ## Raising from investors like Y Combinator? 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