# Y Combinator's Biotech Investments: 125 Startups in Its Portfolio (2026) > The 125 Biotech startups Y Combinator has backed, by stage: $3.1B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/y-combinator-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Pre-seed and seed 48 - [Onward](https://millionrounds.com/company/onward) - [Seer](https://millionrounds.com/company/seer) - [SAVA](https://millionrounds.com/company/sava) - [Current Foods](https://millionrounds.com/company/current-foods) - [iMicrobes](https://millionrounds.com/company/imicrobes) - [Abalone Bio](https://millionrounds.com/company/abalone-bio) - [Pangea Therapeutics Ltd.](https://millionrounds.com/company/pangea-therapeutics-ltd) - [*PB* PreDxion Bio](https://millionrounds.com/company/predxion-bio) - [Digi-Prex](https://millionrounds.com/company/digi-prex) - [Hannah Life Technologies](https://millionrounds.com/company/hannah-life-technologies) - [*OH* One Health](https://millionrounds.com/company/one-health) - [Anja Health](https://millionrounds.com/company/anja-health) - [Dispersa](https://millionrounds.com/company/dispersa) - [Alga Biosciences](https://millionrounds.com/company/alga-biosciences) - [Humane Genomics](https://millionrounds.com/company/humane-genomics) - [X-ZELL](https://millionrounds.com/company/x-zell) - [Anthrogen](https://millionrounds.com/company/anthrogen) - [Biolabs](https://millionrounds.com/company/biolabs) - [Engage Bio](https://millionrounds.com/company/engage-bio) - [Altay Therapeutics](https://millionrounds.com/company/altay-therapeutics) - [Lumasol](https://millionrounds.com/company/lumasol) - [dNovo Bio](https://millionrounds.com/company/dnovo-bio) - [Catena Biosciences](https://millionrounds.com/company/catena-biosciences) - [*B* BloomAPI](https://millionrounds.com/company/bloomapi) +24 more ## Stage not reported 45 - [BillionToOne](https://millionrounds.com/company/billiontoone) - [Pardes Biosciences](https://millionrounds.com/company/pardes-biosciences) - [Science Exchange](https://millionrounds.com/company/science-exchange) - [54gene](https://millionrounds.com/company/54gene) - [Alto Pharmacy](https://millionrounds.com/company/alto-pharmacy) - [Kernal Biologics](https://millionrounds.com/company/kernal-biologics) - [Living Carbon](https://millionrounds.com/company/living-carbon) - [*W* Wren](https://millionrounds.com/company/wren) - [Cofactor Genomics](https://millionrounds.com/company/cofactor-genomics) - [MaverickX](https://millionrounds.com/company/maverickx) - [General Proximity](https://millionrounds.com/company/general-proximity) - [*EH* Eden Health](https://millionrounds.com/company/eden-health) - [resistanceBio](https://millionrounds.com/company/resistancebio) - [Probably Genetic](https://millionrounds.com/company/probably-genetic) - [Perlara](https://millionrounds.com/company/perlara) - [Sixfold Bioscience](https://millionrounds.com/company/sixfold-bioscience) - [CB Therapeutics](https://millionrounds.com/company/cb-therapeutics) - [Circle Medical](https://millionrounds.com/company/circle-medical) - [Clover](https://millionrounds.com/company/clover) - [Aplantex](https://millionrounds.com/company/aplantex) - [Culture Biosciences](https://millionrounds.com/company/culture-biosciences) - [BIOS](https://millionrounds.com/company/bios) - [Relevium Medical](https://millionrounds.com/company/relevium-medical) - [SFA Therapeutics](https://millionrounds.com/company/sfa-therapeutics) +21 more ## Series A 15 - [Samsara Eco](https://millionrounds.com/company/samsara-eco) - [Sensible Biotechnologies](https://millionrounds.com/company/sensible-biotechnologies) - [Slope](https://millionrounds.com/company/slope) - [Nabla Bio](https://millionrounds.com/company/nabla-bio) - [Ochre Bio](https://millionrounds.com/company/ochre-bio) - [drchrono](https://millionrounds.com/company/drchrono) - [Transcriptic](https://millionrounds.com/company/transcriptic) - [Modern Fertility](https://millionrounds.com/company/modern-fertility) - [Parallel Bio](https://millionrounds.com/company/parallel-bio) - [Reshape Biotech](https://millionrounds.com/company/reshape-biotech) - [Mytos](https://millionrounds.com/company/mytos) - [Avammune Therapeutics](https://millionrounds.com/company/avammune-therapeutics) - [Kenota Health](https://millionrounds.com/company/kenota-health) - [SystemOne](https://millionrounds.com/company/systemone) - [*B* BeYouPlus](https://millionrounds.com/company/beyouplus) ## Series B 11 - [Solugen](https://millionrounds.com/company/solugen) - [Contraline](https://millionrounds.com/company/contraline) - [Lucira Health](https://millionrounds.com/company/lucira-health) - [Curebase](https://millionrounds.com/company/curebase) - [Lygos](https://millionrounds.com/company/lygos) - [Brave Care](https://millionrounds.com/company/brave-care) - [*C* Call9](https://millionrounds.com/company/call9) - [*S* ScriptDash](https://millionrounds.com/company/scriptdash) - [Eight](https://millionrounds.com/company/eight) - [Notable Labs](https://millionrounds.com/company/notable-labs) - [Precipio Diagnostics](https://millionrounds.com/company/precipio-diagnostics) ## Series C and later 6 - [Ginkgo Bioworks](https://millionrounds.com/company/ginkgo-bioworks) - [Benchling](https://millionrounds.com/company/benchling) - [Thrive Global](https://millionrounds.com/company/thrive-global) - [uBiome](https://millionrounds.com/company/ubiome) - [Carrot Fertility](https://millionrounds.com/company/carrot-fertility) - [*CS* Comprehend Systems](https://millionrounds.com/company/comprehend-systems) ## Segment by segment ### Pre-seed and seed 48 startups · $328M raised - [**Onward**](https://millionrounds.com/company/onward) Onward is a customer service automation platform that creates a range of automated customer service and sales tools for business usage. Netherlands $122M - [**Seer**](https://millionrounds.com/company/seer) SEER is a software company. United States $57M - [**SAVA**](https://millionrounds.com/company/sava) Sava is a multi-management platform that provides an unlimited number of virtual cards as well as automated accounting reconciliation. United Kingdom $21M - [**Current Foods**](https://millionrounds.com/company/current-foods) Current Foods creates plant-based alternatives for people's seafood favorites. United States $18M - [**iMicrobes**](https://millionrounds.com/company/imicrobes) iMicrobes, officially known as Industrial Microbes, Inc., is a synthetic biology company based in Alameda, California. United States $10M - [**Abalone Bio**](https://millionrounds.com/company/abalone-bio) Abalone Bio is a preclinical-stage biotechnology company based in Emeryville, California, founded in 2017. United States $7.6M - [**Pangea Therapeutics Ltd.**](https://millionrounds.com/company/pangea-therapeutics-ltd) Pangea Therapeutics Ltd. United States $7.0M - [*PB* **PreDxion Bio**](https://millionrounds.com/company/predxion-bio) PreDxion Bio is revolutionizing testing and treatment through low-cost, user-friendly at-home diagnostics. - $6.3M ### Stage not reported 45 startups · $812M raised - [**BillionToOne**](https://millionrounds.com/company/billiontoone) BillionToOne is a precision diagnostics company that focuses on genetic testing for disease detection. United States $280M - [**Pardes Biosciences**](https://millionrounds.com/company/pardes-biosciences) Pardes Biosciences is a biotechnology company that develops and commercializes direct-acting antivirals for the treatment of coronavirus. United States $75M - [**Science Exchange**](https://millionrounds.com/company/science-exchange) Science Exchange, the R&D Services Management company, empowers research organizations to accelerate science and drive innovation United States $54M - [**54gene**](https://millionrounds.com/company/54gene) 54gene is a healthcare startup that offers a genetics testing platform. United States $50M - [**Alto Pharmacy**](https://millionrounds.com/company/alto-pharmacy) Alto is a digital pharmacy that makes the prescription experience easier. United States $50M - [**Kernal Biologics**](https://millionrounds.com/company/kernal-biologics) Kernalbio creates mRNA therapies that instruct specific cells on how to make their own medicine. United States $48M - [**Living Carbon**](https://millionrounds.com/company/living-carbon) Living Carbon is a public benefit corporation based in Hayward, California, founded in 2019. United States $42M - [*W* **Wren**](https://millionrounds.com/company/wren) United Kingdom $21M ### Series A 15 startups · $401M raised - [**Samsara Eco**](https://millionrounds.com/company/samsara-eco) Samsara Eco is an Australian biotechnology and environmental-tech company based in Sydney, specializing in enzymatic recycling technology. Australia $67M - [**Sensible Biotechnologies**](https://millionrounds.com/company/sensible-biotechnologies) Sensible Biotechnologies is a biotechnology company based in Boston, with additional locations in Oxford and Bratislava. Slovakia $51M - [**Slope**](https://millionrounds.com/company/slope) Slope is a B2B financial platform that offers a variety of payment alternatives while being paid immediately. United States $50M - [**Nabla Bio**](https://millionrounds.com/company/nabla-bio) Nabla Bio is a biotechnology company founded in 2020 that focuses on developing selective and functional drugs for previously undr United States $37M - [**Ochre Bio**](https://millionrounds.com/company/ochre-bio) Ochre Bio is a biotechnology company based in Oxford, United Kingdom, founded in 2019. United Kingdom $30M - [**drchrono**](https://millionrounds.com/company/drchrono) The essential platform for modern medical practices to make care more informed, more interactive, and more personalized. United States $28M - [**Transcriptic**](https://millionrounds.com/company/transcriptic) Transcriptic is a robotic cloud laboratory for life science. United States $28M - [**Modern Fertility**](https://millionrounds.com/company/modern-fertility) Modern Fertility is a reproductive health company based in San Francisco, founded in 2017. United States $21M ### Series B 11 startups · $627M raised - [**Solugen**](https://millionrounds.com/company/solugen) Discover the realm of digital intimacy where connections transcend physical boundaries. United States $246M - [**Contraline**](https://millionrounds.com/company/contraline) Contraline is a clinical-stage biotechnology company based in Charlottesville, Virginia, founded in 2015. United States $100M - [**Lucira Health**](https://millionrounds.com/company/lucira-health) Lucira Health is a biotechnology company that offers disposable test kits to detect RNA and DNA of infectious diseases. United States $95M - [**Curebase**](https://millionrounds.com/company/curebase) Curebase is an AI-powered eClinical software platform that enhances clinical research through decentralized clinical trials (DCTs). United States $40M - [**Lygos**](https://millionrounds.com/company/lygos) Lygos provides biotechnology solutions for today’s renewable chemical challenges. United States $35M - [**Brave Care**](https://millionrounds.com/company/brave-care) Brave Care is a pediatric healthcare company focused on providing modern primary and urgent care specifically for children. United States $30M - [*C* **Call9**](https://millionrounds.com/company/call9) United States $24M - [*S* **ScriptDash**](https://millionrounds.com/company/scriptdash) United States $23M ### Series C and later 6 startups · $975M raised - [**Ginkgo Bioworks**](https://millionrounds.com/company/ginkgo-bioworks) Zymergen is now a part of Ginkgo Bioworks! United States $444M - [**Benchling**](https://millionrounds.com/company/benchling) Benchling is a cloud-based platform for biotechnology research and development and the only biology-first platform for scientific United States $162M - [**Thrive Global**](https://millionrounds.com/company/thrive-global) Thrive Global is a behavior change technology company founded in 2016 by Arianna Huffington. United States $123M - [**uBiome**](https://millionrounds.com/company/ubiome) uBiome is a biotechnology company that offers smart gut tests and clinical microbiome testing services. United States $110M - [**Carrot Fertility**](https://millionrounds.com/company/carrot-fertility) Carrot Fertility is a fertility healthcare company for employers and health plans. United States $90M - [*CS* **Comprehend Systems**](https://millionrounds.com/company/comprehend-systems) Comprehend provides a suite of cloud applications and consulting services that improve the clinical trial process. United States $46M **How this map is made.** Every startup here works in Biotech 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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