# Top 50 Respiratory Startups Worldwide by Funding (2026)

> The 50 best-funded respiratory startups worldwide, ranked by total funding raised: $2.7B combined. With founding year, headquarters and each company's rounds.

Source: https://millionrounds.com/top-lists/respiratory-startups (Millionrounds; every figure on the page links to its filing or article)

- 1 [**Expedition Therapeutics** Expedition Therapeutics is a biotechnology company based in San Francisco, founded in 2024.](https://millionrounds.com/company/expedition-therapeutics) Expedition Therapeutics is a biotechnology company based in San Francisco, founded in 2024. *Founded* 2024 San Francisco, United States **$280M** last round Aug 2026
- 2 [**Samay** Samay Health, founded in 2018 by Dr.](https://millionrounds.com/company/samay) Samay Health, founded in 2018 by Dr. *Founded* 2019 Mountain View, United States **$250M** last round May 2026
- 3 [**Aiolos Bio** Aiolos Bio is a biotech company developing innovative therapies for respiratory diseases and immune conditions.](https://millionrounds.com/company/aiolos-bio) Aiolos Bio is a biotech company developing innovative therapies for respiratory diseases and immune conditions. *Founded* 2023 London, United States **$245M** last round Oct 2023
- 4 [**Leyden Labs** Leyden Labs, founded in June 2020 in Leiden, Netherlands, is a biotechnology company focused on developing innovative solutions for respiratory health and pande](https://millionrounds.com/company/leyden-labs) Leyden Labs, founded in June 2020 in Leiden, Netherlands, is a biotechnology company focused on developing innovative solutions for respiratory health and pande *Founded* 2020 Leiden, Netherlands **$221M** last round Jun 2026
- 5 [**VentiRx Pharmaceuticals** VentiRx develops and commercializes small molecule products for the treatment of cancer, respiratory and inflammatory diseases.](https://millionrounds.com/company/ventirx-pharmaceuticals) VentiRx develops and commercializes small molecule products for the treatment of cancer, respiratory and inflammatory diseases. *Founded* 2006 Seattle, United States **$140M** last round Sept 2014
- 6 [**Hansen Medical** Hansen Medical focuses on robotic-assisted bronchoscopy for minimally invasive lung procedures.](https://millionrounds.com/company/hansen-medical) Hansen Medical focuses on robotic-assisted bronchoscopy for minimally invasive lung procedures. *Founded* 2002 Mountain View, United States **$116M** last round Mar 2015
- 7 [**Pulmocide** Pulmocide is a private biopharmaceutical company based in London, United Kingdom, founded in 2007.](https://millionrounds.com/company/pulmocide) Pulmocide is a private biopharmaceutical company based in London, United Kingdom, founded in 2007. *Founded* 2013 London, United Kingdom **$110M** last round Dec 2022
- 8 [**Kinaset Therapeutics** At Kinaset Therapeutics, we intend to develop novel respiratory therapeutics that can positively impact people affected by intractable diseases.](https://millionrounds.com/company/kinaset-therapeutics) At Kinaset Therapeutics, we intend to develop novel respiratory therapeutics that can positively impact people affected by intractable diseases. *Founded* 2020 Boston, United States **$103M** last round Jan 2026
- 9 [**Vicebio** Vicebio is a biopharmaceutical company developing next-generation respiratory virus vaccines using the Molecular Clamp technology.](https://millionrounds.com/company/vicebio) Vicebio is a biopharmaceutical company developing next-generation respiratory virus vaccines using the Molecular Clamp technology. *Founded* - London, United Kingdom **$100M** last round Sept 2024
- 10 [**Avalyn Pharma** Avalyn Pharma is a biopharma company developing therapies for the treatment of idiopathic pulmonary fibrosis and other respiratory diseases.](https://millionrounds.com/company/avalyn-pharma) Avalyn Pharma is a biopharma company developing therapies for the treatment of idiopathic pulmonary fibrosis and other respiratory diseases. *Founded* 2011 Seattle, United States **$100M** last round Jul 2025
- 11 [**Respicardia** Respicardia develops implantable therapies to improve respiratory and cardiovascular health.](https://millionrounds.com/company/respicardia) Respicardia develops implantable therapies to improve respiratory and cardiovascular health. *Founded* 2006 United States **$91M** last round Dec 2017
- 12 [**Bambusa Therapeutics** Bambusa Therapeutics is a biotechnology company based in Boston's Seaport, founded in May 2024.](https://millionrounds.com/company/bambusa-therapeutics) Bambusa Therapeutics is a biotechnology company based in Boston's Seaport, founded in May 2024. *Founded* 2024 Boston, United States **$90M** last round Nov 2025
- 13 [**Enterprise Therapeutics** Enterprise Therapeutics Ltd is a UK-based biopharmaceutical company founded in 2014, located at the Sussex Innovation Centre in Brighton.](https://millionrounds.com/company/enterprise-therapeutics) Enterprise Therapeutics Ltd is a UK-based biopharmaceutical company founded in 2014, located at the Sussex Innovation Centre in Brighton. *Founded* 2014 Brighton, United Kingdom **$80M** last round Jan 2024
- 14 [**LigoCyte Pharmaceuticals** LigoCyte Pharmaceuticals is focused on developing vaccines and monoclonal antibodies for gastrointestinal and respiratory indications.](https://millionrounds.com/company/ligocyte-pharmaceuticals) LigoCyte Pharmaceuticals is focused on developing vaccines and monoclonal antibodies for gastrointestinal and respiratory indications. *Founded* 1998 United States **$72M** last round Jun 2012
- 15 [**Propeller Health** Propeller Health, now operating as Reciprocal Labs Corporation under ResMed, was a digital therapeutics company founded in 2010.](https://millionrounds.com/company/propeller-health) Propeller Health, now operating as Reciprocal Labs Corporation under ResMed, was a digital therapeutics company founded in 2010. *Founded* 2010 San Diego, United States **$70M** last round May 2018
- 16 [**NovaSom** NovaSom provides obstructive sleep apnea home testing devices with cardio-respiratory monitoring ability.](https://millionrounds.com/company/novasom) NovaSom provides obstructive sleep apnea home testing devices with cardio-respiratory monitoring ability. *Founded* 1992 Glen Burnie, United States **$46M** last round Jun 2014
- 17 [**Breathe Technologies** Breathe Technologies provide healthcare providers and patients with respiratory therapies that optimize breathing and mobility.](https://millionrounds.com/company/breathe-technologies) Breathe Technologies provide healthcare providers and patients with respiratory therapies that optimize breathing and mobility. *Founded* 2005 Irvine, United States **$39M** last round Jan 2015
- 18 [**TidalSense** TidalSense, based in Cambridge, United Kingdom, is a healthcare technology company founded in April 2013.](https://millionrounds.com/company/tidalsense) TidalSense, based in Cambridge, United Kingdom, is a healthcare technology company founded in April 2013. *Founded* 2013 Cambridge, United Kingdom **$38M** last round Jul 2026
- 19 [**Meissa Vaccines** Meissa Vaccines is a clinical-stage biotechnology company based in Redwood City, California, founded in 2014.](https://millionrounds.com/company/meissa-vaccines) Meissa Vaccines is a clinical-stage biotechnology company based in Redwood City, California, founded in 2014. *Founded* 2014 San Rafael, United States **$33M** last round Sept 2019
- 20 [**PrEP Biopharm** PrEP Biopharm is a developer of respiratory infectious disease products.](https://millionrounds.com/company/prep-biopharm) PrEP Biopharm is a developer of respiratory infectious disease products. *Founded* 2015 United Kingdom **$32M** last round Nov 2015
- 21 [**Noho Med** Noho is a digital home-based program that features weekly check-ins with a respiratory therapist coach, personalized assessments, goal setting, critical educati](https://millionrounds.com/company/noho-med) Noho is a digital home-based program that features weekly check-ins with a respiratory therapist coach, personalized assessments, goal setting, critical educati *Founded* 2019 New York, United States **$27M** last round Nov 2021
- 22 [**Oxagen** Oxagen develops small molecule drugs to treat inflammatory and respiratory diseases.](https://millionrounds.com/company/oxagen) Oxagen develops small molecule drugs to treat inflammatory and respiratory diseases. *Founded* 1996 Abingdon, United Kingdom **$27M** last round Nov 2009
- 23 [**Kither Biotech** Kither Biotech is a biopharmaceutical company based in Turin, Italy, founded in November 2011 as a spin-off from the University of Turin.](https://millionrounds.com/company/kither-biotech) Kither Biotech is a biopharmaceutical company based in Turin, Italy, founded in November 2011 as a spin-off from the University of Turin. *Founded* 2011 Turin, Italy **$27M** last round Mar 2022
- 24 [**Telesair** Telesair is a medical device company developing respiratory care solutions.](https://millionrounds.com/company/telesair) Telesair is a medical device company developing respiratory care solutions. *Founded* 2020 Irvine, United States **$25M** last round Mar 2026
- 25 [**ENA Respiratory** Ena Respiratory researches and develops solutions to transform the treatment and prevention of respiratory infections.](https://millionrounds.com/company/ena-respiratory) Ena Respiratory researches and develops solutions to transform the treatment and prevention of respiratory infections. *Founded* 2014 Melbourne, Australia **$24M** last round Sept 2026
- 26 [**Novamab** Innovative Nanobody drugs for respiratory treatments](https://millionrounds.com/company/novamab) Innovative Nanobody drugs for respiratory treatments *Founded* 2017 Shanghai, China **$24M** last round Jul 2024
- 27 [**Activaero** Activaero develops breathing technologies for patients suffering from severe respiratory diseases.](https://millionrounds.com/company/activaero) Activaero develops breathing technologies for patients suffering from severe respiratory diseases. *Founded* 2004 Germany **$23M** last round Feb 2011
- 28 [**AeroRx Therapeutics** AeroRx Therapeutics is a clinical-stage biopharmaceutical company based in La Jolla, California.](https://millionrounds.com/company/aerorx-therapeutics) AeroRx Therapeutics is a clinical-stage biopharmaceutical company based in La Jolla, California. *Founded* 2023 San Diego, United States **$21M** last round Oct 2025
- 29 [**Pneuma Respiratory**](https://millionrounds.com/company/pneuma-respiratory) *Founded* 2015 United States **$19M** last round Jul 2026
- 30 [**Therabron** Therabron Therapeutics, we are working to change how respiratory diseases are managed.](https://millionrounds.com/company/therabron) Therabron Therapeutics, we are working to change how respiratory diseases are managed. *Founded* 2007 Rockville, United States **$18M** last round Nov 2015
- 31 [**VirionHealth** VirionHealth is a biotechnology company that primarily focuses on developing therapies for respiratory viral infections.](https://millionrounds.com/company/virionhealth) VirionHealth is a biotechnology company that primarily focuses on developing therapies for respiratory viral infections. *Founded* 2015 Coventry, United Kingdom **$17M** last round Oct 2017
- 32 [**Actimis Pharmaceuticals** Actimis Pharmaceuticals is a biopharmaceutical company developing small molecule therapeutics for respiratory and inflammatory disorders.](https://millionrounds.com/company/actimis-pharmaceuticals) Actimis Pharmaceuticals is a biopharmaceutical company developing small molecule therapeutics for respiratory and inflammatory disorders. *Founded* 2004 San Diego, United States **$16M** last round Jun 2008
- 33 [**Aluna** Aluna is an award-winning healthcare technology company focused on improving the management of asthma and chronic respiratory diseases.](https://millionrounds.com/company/aluna) Aluna is an award-winning healthcare technology company focused on improving the management of asthma and chronic respiratory diseases. *Founded* 2016 San Francisco, United States **$15M** last round Jan 2023
- 34 [**Funxional Therapeutics** Funxional Therapeutics Ltd.](https://millionrounds.com/company/funxional-therapeutics) Funxional Therapeutics Ltd. *Founded* 2005 Ely, United Kingdom **$12M** last round May 2010
- 35 [**CoheroHealth** Cohero Health is a health technology company dedicated to managing respiratory diseases through its digital platform.](https://millionrounds.com/company/coherohealth) Cohero Health is a health technology company dedicated to managing respiratory diseases through its digital platform. *Founded* 2013 Congers, United States **$11M** last round Nov 2016
- 36 [**Agitated Solutions** Agitated Solutions is a healthcare company that delivers microbubble treatment for patients with hypoxemic respiratory failure.](https://millionrounds.com/company/agitated-solutions) Agitated Solutions is a healthcare company that delivers microbubble treatment for patients with hypoxemic respiratory failure. *Founded* 2020 Saint Paul, United States **$10M** last round Oct 2026
- 37 [**Quantum Innovations** Quantum Innovations is a Polish med-tech company based in Warsaw, dedicated to developing innovative medical devices for cardiac surgery, cardiology, intensive](https://millionrounds.com/company/quantum-innovations) Quantum Innovations is a Polish med-tech company based in Warsaw, dedicated to developing innovative medical devices for cardiac surgery, cardiology, intensive *Founded* - Warszawa, Poland **$10M** last round Jun 2024
- 38 [**Climatic Health** Climatic Health develops a lung health system focused on breathing support, respiratory monitoring, and clinically studied methods.](https://millionrounds.com/company/climatic-health) Climatic Health develops a lung health system focused on breathing support, respiratory monitoring, and clinically studied methods. *Founded* - New York, United States **$10M** last round Jan 2026
- 39 [**Pneumagen** Pneumagen develops glycan targeted carbohydrate binding modules (CBMs) for respiratory tract infections) and cancer.](https://millionrounds.com/company/pneumagen) Pneumagen develops glycan targeted carbohydrate binding modules (CBMs) for respiratory tract infections) and cancer. *Founded* 2016 Saint Andrews, United Kingdom **$10M** last round Jun 2023
- 40 [**SIME Diagnostics** SIME is a clinical AI company applying medical excellence, proprietary AI and data ingenuity to deliver rapid respiratory intensive care diagnostics for acute unmet needs.](https://millionrounds.com/company/sime-diagnostics) SIME is a clinical AI company applying medical excellence, proprietary AI and data ingenuity to deliver rapid respiratory intensive care diagnostics for acute unmet needs. *Founded* 2014 London, United Kingdom **$9.2M** last round Aug 2026
- 41 [**PneumoWave** PneumoWave is a digital health and digital therapeutics company based in Scotland, with significant operations in North Charleston, South Carolina.](https://millionrounds.com/company/pneumowave) PneumoWave is a digital health and digital therapeutics company based in Scotland, with significant operations in North Charleston, South Carolina. *Founded* 2018 Eurocentral, United Kingdom **$9.2M** last round Jan 2023
- 42 [**Health Care Originals** Health Care Originals® (HCO) is a digital health startup based in Rochester, New York.](https://millionrounds.com/company/health-care-originals) Health Care Originals® (HCO) is a digital health startup based in Rochester, New York. *Founded* 2015 Rochester, United States **$9.2M** last round Oct 2024
- 43 [**Hyfé** Hyfe is a leader in AI-powered cough-monitoring and respiratory care technology, based in Wilmington, Delaware.](https://millionrounds.com/company/hyfe) Hyfe is a leader in AI-powered cough-monitoring and respiratory care technology, based in Wilmington, Delaware. *Founded* 2020 Wilmington, United States **$9.0M** last round Jun 2023
- 44 [**Verus Healthcare** Verus Healthcare is a healthcare supply company based in Franklin, Tennessee, specializing in respiratory, urological, and related medical supplies.](https://millionrounds.com/company/verus-healthcare) Verus Healthcare is a healthcare supply company based in Franklin, Tennessee, specializing in respiratory, urological, and related medical supplies. *Founded* 2014 Franklin, United States **$7.2M** last round Jun 2012
- 45 [**Resproly** Resproly is a respiratory system inhalation therapy and device developer.](https://millionrounds.com/company/resproly) Resproly is a respiratory system inhalation therapy and device developer. *Founded* - China **$7.0M** last round Apr 2022
- 46 [**BetterBrand** The health you and your loved ones deserve.](https://millionrounds.com/company/betterbrand) The health you and your loved ones deserve. *Founded* 2019 Los Angeles, United States **$6.0M** last round Jun 2023
- 47 [**PneumaCare** PneumaCare develops products for diagnosis and monitoring of respiratory diseases using novel 3D imaging technology.](https://millionrounds.com/company/pneumacare) PneumaCare develops products for diagnosis and monitoring of respiratory diseases using novel 3D imaging technology. *Founded* 2008 Ely, Cambridgeshire, United Kingdom **$5.4M** last round Oct 2013
- 48 [**INNOVUS PHARMACEUTICALS** Innovus Pharmaceuticals develops healthcare products for dermatology, autoimmune, respiratory, and sexual dysfunction diseases.](https://millionrounds.com/company/innovus-pharmaceuticals) Innovus Pharmaceuticals develops healthcare products for dermatology, autoimmune, respiratory, and sexual dysfunction diseases. *Founded* 2010 Reno, United States **$5.1M** last round Aug 2013
- 49 [**Vida** VIDA is modernizing lung and respiratory care through intelligence](https://millionrounds.com/company/vida) VIDA is modernizing lung and respiratory care through intelligence *Founded* 2004 Coralville, United States **$4.5M** last round Sept 2023
- 50 [**AlveoGene** AlveoGene is a UK-based biotechnology company focused on developing inhaled gene therapies for rare respiratory diseases.](https://millionrounds.com/company/alveogene) AlveoGene is a UK-based biotechnology company focused on developing inhaled gene therapies for rare respiratory diseases. *Founded* 2022 Oxford, United Kingdom **$4.4M** last round Feb 2025

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose own description names this theme, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

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## More lists worldwide

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