# Samsara BioCapital's Biotech Investments: 62 Startups in Its Portfolio (2026) > The 62 Biotech startups Samsara BioCapital has backed, by stage: $11B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/samsara-biocapital-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series B 23 - [Gossamer Bio](https://millionrounds.com/company/gossamer-bio) - [SpringWorks Therapeutics](https://millionrounds.com/company/springworks-therapeutics) - [Fulcrum Therapeutics](https://millionrounds.com/company/fulcrum-therapeutics) - [Arcellx](https://millionrounds.com/company/arcellx) - [T-Therapeutics](https://millionrounds.com/company/t-therapeutics) - [Surrozen](https://millionrounds.com/company/surrozen) - [Upstream Bio](https://millionrounds.com/company/upstream-bio) - [*BB* Bolt Biotherapeutics](https://millionrounds.com/company/bolt-biotherapeutics) - [Septerna](https://millionrounds.com/company/septerna) - [MiroBio](https://millionrounds.com/company/mirobio) - [Nura Bio](https://millionrounds.com/company/nura-bio) - [Sidewinder Therapeutics](https://millionrounds.com/company/sidewinder-therapeutics) - [Syros Pharmaceuticals](https://millionrounds.com/company/syros-pharmaceuticals) - [AlloVir](https://millionrounds.com/company/allovir) - [EpiBiologics](https://millionrounds.com/company/epibiologics) - [NeuroGastrx](https://millionrounds.com/company/neurogastrx) - [Exo Therapeutics](https://millionrounds.com/company/exo-therapeutics) - [Normunity](https://millionrounds.com/company/normunity) - [Simcha Therapeutics](https://millionrounds.com/company/simcha-therapeutics) - [Tentarix Biotherapeutics](https://millionrounds.com/company/tentarix-biotherapeutics) - [Primmune Therapeutics](https://millionrounds.com/company/primmune-therapeutics) - [*VT* Velicept Therapeutics](https://millionrounds.com/company/velicept-therapeutics) - [Seismic Therapeutic](https://millionrounds.com/company/seismic-therapeutic) ## Stage not reported 20 - [Candid Therapeutics](https://millionrounds.com/company/candid-therapeutics) - [Abivax](https://millionrounds.com/company/abivax) - [Janux Therapeutics](https://millionrounds.com/company/janux-therapeutics) - [Alumis](https://millionrounds.com/company/alumis) - [Centessa Pharmaceuticals](https://millionrounds.com/company/centessa-pharmaceuticals) - [Nkarta Therapeutics](https://millionrounds.com/company/nkarta-therapeutics) - [Palvella Therapeutics](https://millionrounds.com/company/palvella-therapeutics) - [Pepgen](https://millionrounds.com/company/pepgen) - [Climb Bio](https://millionrounds.com/company/climb-bio) - [CARGO Therapeutics](https://millionrounds.com/company/cargo-therapeutics) - [*CT* Chinook Therapeutics](https://millionrounds.com/company/chinook-therapeutics) - [*FB* Flame Biosciences](https://millionrounds.com/company/flame-biosciences) - [Contineum Therapeutics](https://millionrounds.com/company/contineum-therapeutics) - [Alamar Biosciences](https://millionrounds.com/company/alamar-biosciences) - [*LT* Levo Therapeutics](https://millionrounds.com/company/levo-therapeutics) - [*ST* SanReno Therapeutics](https://millionrounds.com/company/sanreno-therapeutics) - [Notch Therapeutics](https://millionrounds.com/company/notch-therapeutics) - [Hookipa Pharma](https://millionrounds.com/company/hookipa-pharma) - [IO Biotech](https://millionrounds.com/company/io-biotech) - [Prime Medicine](https://millionrounds.com/company/prime-medicine) ## Series A 10 - [Alpine Immune Sciences](https://millionrounds.com/company/alpine-immune-sciences) - [Neurogene](https://millionrounds.com/company/neurogene) - [Jasper Therapeutics](https://millionrounds.com/company/jasper-therapeutics) - [Ottimo Pharma](https://millionrounds.com/company/ottimo-pharma) - [*MM* Memento Medicines](https://millionrounds.com/company/memento-medicines) - [Ablaze Pharmaceuticals](https://millionrounds.com/company/ablaze-pharmaceuticals) - [Excellergy](https://millionrounds.com/company/excellergy) - [*E* Eyebiotech](https://millionrounds.com/company/eyebiotech) - [Link Cell Therapies](https://millionrounds.com/company/link-cell-therapies) - [A2 Biotherapeutics](https://millionrounds.com/company/a2-biotherapeutics) ## Series C and later 9 - [ElevateBio](https://millionrounds.com/company/elevatebio) - [*E* eGenesis](https://millionrounds.com/company/egenesis) - [*A* Atreca](https://millionrounds.com/company/atreca) - [Science 37](https://millionrounds.com/company/science-37) - [Obsidian Therapeutics](https://millionrounds.com/company/obsidian-therapeutics) - [Dewpoint Therapeutics](https://millionrounds.com/company/dewpoint-therapeutics) - [Rani Therapeutics](https://millionrounds.com/company/rani-therapeutics) - [FORMA Therapeutics](https://millionrounds.com/company/forma-therapeutics) - [Hookipa](https://millionrounds.com/company/hookipa) ## Segment by segment ### Series B 23 startups · $3.8B raised - [**Gossamer Bio**](https://millionrounds.com/company/gossamer-bio) Gossamer Bio is a biopharmaceutical company focused on the discovery and development of novel and differentiated therapeutic products. United States $567M - [**SpringWorks Therapeutics**](https://millionrounds.com/company/springworks-therapeutics) SpringWorks Therapeutics is a biopharmaceutical company that develops medicines for patients with severe rare diseases and cancer. United States $400M - [**Fulcrum Therapeutics**](https://millionrounds.com/company/fulcrum-therapeutics) Fulcrum Therapeutics is a biotechnology company that focuses on identifying and treating rare genetic diseases at their root cause. United States $310M - [**Arcellx**](https://millionrounds.com/company/arcellx) Arcellx is a clinical-stage biotechnology company focused on developing innovative immunotherapies for cancer and other incurable diseases. United States $285M - [**T-Therapeutics**](https://millionrounds.com/company/t-therapeutics) T-Therapeutics is a next-generation T cell receptor (TCR) company spun off from the University of Cambridge. United Kingdom $279M - [**Surrozen**](https://millionrounds.com/company/surrozen) Surrozen is a biopharmaceutical that focuses on unlocking the body’s regenerative power to treat injury and disease. United States $258M - [**Upstream Bio**](https://millionrounds.com/company/upstream-bio) Upstream Bio focuses on developing an antibody therapy for the treatment of severe asthma. United States $200M - [*BB* **Bolt Biotherapeutics**](https://millionrounds.com/company/bolt-biotherapeutics) Bolt Biotherapeutics is a biotechnology company that develops a platform for cancer immunotherapy. United States $189M ### Stage not reported 20 startups · $3.9B raised - [**Candid Therapeutics**](https://millionrounds.com/company/candid-therapeutics) Candid Therapeutics was a clinical-stage biotechnology company based in San Diego, California, founded in 2024. United States $875M - [**Abivax**](https://millionrounds.com/company/abivax) Abivax develops medicines that alter the body's natural immune system mechanisms. France $793M - [**Janux Therapeutics**](https://millionrounds.com/company/janux-therapeutics) Janux Therapeutics develops immunotherapies that generates immune responses to prevent tumors and not affecting a patient’s healthy tissue. United States $350M - [**Alumis**](https://millionrounds.com/company/alumis) Alumis is a precision medicine company focused on the discovery, development and treatment of autoimmune disorders. United States $345M - [**Centessa Pharmaceuticals**](https://millionrounds.com/company/centessa-pharmaceuticals) Centessa Pharmaceuticals is a pharmaceutical company that focuses on drug development to address significant medical needs. United States $250M - [**Nkarta Therapeutics**](https://millionrounds.com/company/nkarta-therapeutics) Nkarta Therapeutics is a developer of cell engineering platform created to build the next generation of cell therapies. United States $240M - [**Palvella Therapeutics**](https://millionrounds.com/company/palvella-therapeutics) Palvella Therapeutics is a clinical-stage biopharmaceutical company based in Wayne, Pennsylvania. United States $210M - [**Pepgen**](https://millionrounds.com/company/pepgen) PepGen is empowering nucleic acid therapeutics to go the distance. United Kingdom $115M ### Series A 10 startups · $1.1B raised - [**Alpine Immune Sciences**](https://millionrounds.com/company/alpine-immune-sciences) Alpine Immune Sciences is an immunotherapy company focused on developing treatments for autoimmune and inflammatory diseases. United States $199M - [**Neurogene**](https://millionrounds.com/company/neurogene) Neurogene is a developer of genetic medicines intended to improve patient outcomes for neurological disorders. United States $194M - [**Jasper Therapeutics**](https://millionrounds.com/company/jasper-therapeutics) Jasper Therapeutics is a biotechnology company that develops novel antibody therapies for stem cell transplants. United States $167M - [**Ottimo Pharma**](https://millionrounds.com/company/ottimo-pharma) Ottimo Pharma is a private, clinical-stage biotechnology company based in Sandwich, Kent, United Kingdom. United Kingdom $140M - [*MM* **Memento Medicines**](https://millionrounds.com/company/memento-medicines) Memento Medicines is a biotech developing bispecific antibody therapies for eye diseases. United Kingdom $93M - [**Ablaze Pharmaceuticals**](https://millionrounds.com/company/ablaze-pharmaceuticals) Ablaze Pharmaceuticals is a clinical-stage biopharmaceutical company based in Shanghai, China, with an office in San Diego, California. China $75M - [**Excellergy**](https://millionrounds.com/company/excellergy) Excellergy develops immunology-based therapies focused on treating allergic diseases through novel biologic drug candidates. United States $70M - [*E* **Eyebiotech**](https://millionrounds.com/company/eyebiotech) Eyebiotech is an ophthalmology biotechnology company that specializes in therapies for eye diseases. United States $65M ### Series C and later 9 startups · $2.2B raised - [**ElevateBio**](https://millionrounds.com/company/elevatebio) ElevateBio is a biotechnology company based in Waltham, Massachusetts, founded in 2017. United States $551M - [*E* **eGenesis**](https://millionrounds.com/company/egenesis) United States $329M - [*A* **Atreca**](https://millionrounds.com/company/atreca) Atreca develops a technology to identify the set of antibodies produced during an immune response, without prior knowledge of an antigen. United States $313M - [**Science 37**](https://millionrounds.com/company/science-37) Science 37 is a clinical research company that facilitates universal participation in clinical trials for patients and providers. United States $236M - [**Obsidian Therapeutics**](https://millionrounds.com/company/obsidian-therapeutics) Obsidian Therapeutics is a developer of a next-generation cell and gene therapies created to extend adoptive immunotherapy. United States $210M - [**Dewpoint Therapeutics**](https://millionrounds.com/company/dewpoint-therapeutics) Dewpoint Therapeutics is a biotech company developing a drug platform that targets biomolecular condensates. United States $196M - [**Rani Therapeutics**](https://millionrounds.com/company/rani-therapeutics) Rani is a clinical-stage biotherapeutics company that enables the development of orally administered biologics to improve patient outcomes. United States $168M - [**FORMA Therapeutics**](https://millionrounds.com/company/forma-therapeutics) FORMA Therapeutics is a biopharmaceutical company focused on the discovery, development, and commercialization of transformative medicines. United States $143M **How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names Samsara BioCapital 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 **Samsara BioCapital's Pharma portfolio** 16 startups · $2.6B](https://millionrounds.com/portfolio-maps/samsara-biocapital-pharma-portfolio)[Co-investors **Who invests with Samsara BioCapital** 68 co-investors](https://millionrounds.com/portfolio-maps/samsara-biocapital-co-investors)[Sector portfolio **Techstars' AI portfolio** 336 startups · $4.9B](https://millionrounds.com/portfolio-maps/techstars-ai-portfolio)[Sector portfolio **Alumni Ventures' AI portfolio** 302 startups · $36B](https://millionrounds.com/portfolio-maps/us-strategic-tech-fund-an-alumni-ventures-fund-ai-portfolio)[Sector portfolio **Andreessen Horowitz's AI portfolio** 259 startups · $426B](https://millionrounds.com/portfolio-maps/andreessen-horowitz-ai-portfolio)[Sector portfolio **General Catalyst's AI portfolio** 226 startups · $179B](https://millionrounds.com/portfolio-maps/general-catalyst-ai-portfolio) ## Raising from investors like Samsara BioCapital? 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