# SR One's Biotech Investments: 44 Startups in Its Portfolio (2026) > The 44 Biotech startups SR One has backed, by stage: $5.6B raised between them. From the rounds we track; updated nightly. Source: https://millionrounds.com/portfolio-maps/sr-one-biotech-portfolio (Millionrounds; every figure on the page links to its filing or article) ## Series C and later 12 - [CORXEL Pharmaceuticals](https://millionrounds.com/company/corxel-pharmaceuticals) - [Odyssey Therapeutics](https://millionrounds.com/company/odyssey-therapeutics) - [Spero Therapeutics](https://millionrounds.com/company/spero-therapeutics) - [Decibel Therapeutics](https://millionrounds.com/company/decibel-therapeutics) - [HotSpot Therapeutics](https://millionrounds.com/company/hotspot-therapeutics) - [*TT* TP Therapeutics](https://millionrounds.com/company/tp-therapeutics) - [Pulmocide](https://millionrounds.com/company/pulmocide) - [FORE Biotherapeutics](https://millionrounds.com/company/fore-biotherapeutics) - [Effector Therapeutics](https://millionrounds.com/company/effector-therapeutics) - [Propeller Health](https://millionrounds.com/company/propeller-health) - [Novalar Pharmaceuticals](https://millionrounds.com/company/novalar-pharmaceuticals) - [Onyvax](https://millionrounds.com/company/onyvax) ## Series A 11 - [Morphic Therapeutic](https://millionrounds.com/company/morphic-therapeutic) - [AirNexis Therapeutics](https://millionrounds.com/company/airnexis-therapeutics) - [Addition Therapeutics](https://millionrounds.com/company/addition-therapeutics) - [*I* Immutrin](https://millionrounds.com/company/immutrin) - [Antag Therapeutics](https://millionrounds.com/company/antag-therapeutics) - [Akamis Bio](https://millionrounds.com/company/akamis-bio) - [Ancora Biotech](https://millionrounds.com/company/ancora-biotech) - [*G* Gotham](https://millionrounds.com/company/gotham) - [*P* Palleon](https://millionrounds.com/company/palleon) - [Navitor Pharmaceuticals](https://millionrounds.com/company/navitor-pharmaceuticals) - [*P* Puridify](https://millionrounds.com/company/puridify) ## Series B 11 - [Windward Bio](https://millionrounds.com/company/windward-bio) - [Arcellx](https://millionrounds.com/company/arcellx) - [MiroBio](https://millionrounds.com/company/mirobio) - [Bicycle Therapeutics](https://millionrounds.com/company/bicycle-therapeutics) - [Palleon Pharmaceuticals](https://millionrounds.com/company/palleon-pharmaceuticals) - [Nimbus Therapeutics](https://millionrounds.com/company/nimbus-therapeutics) - [Avenzo Therapeutics](https://millionrounds.com/company/avenzo-therapeutics) - [*N* Nucleonics](https://millionrounds.com/company/nucleonics) - [Simcha Therapeutics](https://millionrounds.com/company/simcha-therapeutics) - [*Z* ZappRx](https://millionrounds.com/company/zapprx) - [*P* Progyny](https://millionrounds.com/company/progyny) ## Stage not reported 10 - [*TP* Turning Point Therapeutics](https://millionrounds.com/company/turning-point-therapeutics) - [Dren Bio](https://millionrounds.com/company/dren-bio) - [Alumis](https://millionrounds.com/company/alumis) - [True North Therapeutics](https://millionrounds.com/company/true-north-therapeutics) - [MISSION Therapeutics](https://millionrounds.com/company/mission-therapeutics) - [Principia BioPharma](https://millionrounds.com/company/principia-biopharma) - [*NP* NeuroTherapeutics Pharma](https://millionrounds.com/company/neurotherapeutics-pharma) - [*AT* Altiris Therapeutics](https://millionrounds.com/company/altiris-therapeutics) - [*M* Macrolide](https://millionrounds.com/company/macrolide) - [*GP* Gladius Pharmaceuticals](https://millionrounds.com/company/gladius-pharmaceuticals) ## Segment by segment ### Series C and later 12 startups · $1.6B raised - [**CORXEL Pharmaceuticals**](https://millionrounds.com/company/corxel-pharmaceuticals) CORXEL Pharmaceuticals is a clinical-stage biopharmaceutical company founded in 2019, previously known as JiXing Pharmaceuticals. United States $287M - [**Odyssey Therapeutics**](https://millionrounds.com/company/odyssey-therapeutics) Odyssey Therapeutics creates precision immunomodulators and oncology medicines for patients with cancer and inflammatory diseases. United States $238M - [**Spero Therapeutics**](https://millionrounds.com/company/spero-therapeutics) Spero Therapeutics develops therapeutics for treatment of gram-negative infections. United States $199M - [**Decibel Therapeutics**](https://millionrounds.com/company/decibel-therapeutics) Decibel Therapeutics is a hearing company focused on discovering and developing new medicines to protect, repair, and restore hearing. United States $189M - [**HotSpot Therapeutics**](https://millionrounds.com/company/hotspot-therapeutics) HotSpot Therapeutics is a developer of a therapy platform designed to discover medicines and provide proper treatment. United States $145M - [*TT* **TP Therapeutics**](https://millionrounds.com/company/tp-therapeutics) United States $126M - [**Pulmocide**](https://millionrounds.com/company/pulmocide) Pulmocide is a private biopharmaceutical company based in London, United Kingdom, founded in 2007. United Kingdom $110M - [**FORE Biotherapeutics**](https://millionrounds.com/company/fore-biotherapeutics) Fore Biotherapeutics is a clinical-stage precision oncology company based in Philadelphia, PA. United States $108M ### Series A 11 startups · $1.1B raised - [**Morphic Therapeutic**](https://millionrounds.com/company/morphic-therapeutic) Morphic Therapeutic is a biotechnology company that develops oral integrin therapies to treat serious chronic diseases. United States $328M - [**AirNexis Therapeutics**](https://millionrounds.com/company/airnexis-therapeutics) AirNexis Therapeutics develops clinical-stage therapies for chronic obstructive pulmonary disease and other pulmonary conditions. United States $200M - [**Addition Therapeutics**](https://millionrounds.com/company/addition-therapeutics) Addition Therapeutics develops RNA-only therapeutics using PRINT technology for genetic medicine. United States $100M - [*I* **Immutrin**](https://millionrounds.com/company/immutrin) Immutrin is a biotech developing next‐generation antibody therapies to clear amyloid deposits and reverse amyloidosis. United Kingdom $87M - [**Antag Therapeutics**](https://millionrounds.com/company/antag-therapeutics) Antag Therapeutics is a clinical-stage biopharmaceutical company based in Copenhagen, focused on developing innovative therapies f Denmark $84M - [**Akamis Bio**](https://millionrounds.com/company/akamis-bio) Akamis Bio is a clinical-stage oncology company based in Cambridge, Massachusetts, dedicated to improving treatment for colorectal United Kingdom $60M - [**Ancora Biotech**](https://millionrounds.com/company/ancora-biotech) Ancora Biotech is a California-based biotechnology company that researches and develops T-cell therapies for the treatment of canc United States $60M - [*G* **Gotham**](https://millionrounds.com/company/gotham) United States $54M ### Series B 11 startups · $1.3B raised - [**Windward Bio**](https://millionrounds.com/company/windward-bio) Windward Bio is a clinical-stage biotechnology company with deep discovery, development, and commercialization expertise committed Switzerland $365M - [**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 - [**MiroBio**](https://millionrounds.com/company/mirobio) MiroBio is Harnessing the natural control mechanisms of the immune system. United Kingdom $144M - [**Bicycle Therapeutics**](https://millionrounds.com/company/bicycle-therapeutics) Bicycle Therapeutics is developing a technology for the creation of new generation biotherapeutics. United Kingdom $110M - [**Palleon Pharmaceuticals**](https://millionrounds.com/company/palleon-pharmaceuticals) Palleon Pharmaceuticals is a clinical-stage biotechnology company based in Waltham, Massachusetts. United States $100M - [**Nimbus Therapeutics**](https://millionrounds.com/company/nimbus-therapeutics) Nimbus Therapeutics is a clinical-stage biotechnology company based in Boston, Massachusetts, founded in 2009. United States $72M - [**Avenzo Therapeutics**](https://millionrounds.com/company/avenzo-therapeutics) Developing the next generation of oncology therapies for patients. United States $60M - [*N* **Nucleonics**](https://millionrounds.com/company/nucleonics) Nucleonics is a biotechnology company focused on RNA interference-based therapeutics. United States $49M ### Stage not reported 10 startups · $1.7B raised - [*TP* **Turning Point Therapeutics**](https://millionrounds.com/company/turning-point-therapeutics) Turning Point Therapeutics is a pharmaceutical company that discovers and develops precision medicines for cancer and other diseases. - $460M - [**Dren Bio**](https://millionrounds.com/company/dren-bio) Dren Bio focuses on protein engineering technologies for depletion of cells, protein aggregates, and other disease-causing agents. United States $375M - [**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 - [**True North Therapeutics**](https://millionrounds.com/company/true-north-therapeutics) True North Therapeutics is a pioneering biotechnology company selectively inhibiting the Complement pathway for diseases. United States $142M - [**MISSION Therapeutics**](https://millionrounds.com/company/mission-therapeutics) Mission Therapeutics is a clinical-stage biopharmaceutical company based in Cambridge, UK, focused on drug discovery and developme United Kingdom $113M - [**Principia BioPharma**](https://millionrounds.com/company/principia-biopharma) Principia Biopharma is dedicated to bringing oral therapies to patients with significant unmet medical needs in immunology & oncology. United States $90M - [*NP* **NeuroTherapeutics Pharma**](https://millionrounds.com/company/neurotherapeutics-pharma) NeuroTherapeutics Pharma is a biopharmaceutical company developing new therapies to treat pain, epilepsy, and other nervous system disorder. United States $58M - [*AT* **Altiris Therapeutics**](https://millionrounds.com/company/altiris-therapeutics) Altiris Therapeutics develops and commercializes drugs to treat metastatic cancer. United States $44M **How this map is made.** Every startup here works in Biotech and has raised money in a round we track that names SR One 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) [Co-investors **Who invests with SR One** 63 co-investors](https://millionrounds.com/portfolio-maps/sr-one-co-investors)[Portfolio map **SR One portfolio map** 59 startups · $8.3B](https://millionrounds.com/portfolio-maps/sr-one-portfolio-map)[Sector portfolio **Coinbase Ventures' Web3 & Crypto portfolio** 168 startups · $5.7B](https://millionrounds.com/portfolio-maps/coinbase-web3-crypto-portfolio)[Sector portfolio **Salesforce Ventures' AI portfolio** 115 startups · $181B](https://millionrounds.com/portfolio-maps/salesforce-ventures-ai-portfolio)[Sector portfolio **Google Ventures' AI portfolio** 81 startups · $16B](https://millionrounds.com/portfolio-maps/gv-ai-portfolio)[Sector portfolio **Google Ventures' Biotech portfolio** 74 startups · $12B](https://millionrounds.com/portfolio-maps/gv-biotech-portfolio) ## Raising from investors like SR One? 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