Top list · Worldwide
Respiratory startups worldwide
87 respiratory startups worldwide have raised money in rounds we track. These are the 50 that have raised the most, $2.7B between them, with the United States the most common home.
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Expedition TherapeuticsExpedition Therapeutics is a biotechnology company based in San Francisco, founded in 2024.Expedition Therapeutics is a biotechnology company based in San Francisco, founded in 2024.
Founded 2024San Francisco, United States$280Mlast round Aug 2026 - 2
SamaySamay Health, founded in 2018 by Dr.Samay Health, founded in 2018 by Dr.
Founded 2019Mountain View, United States$250Mlast round May 2026 - 3Aiolos BioAiolos Bio is a biotech company developing innovative therapies for respiratory diseases and immune conditions.
Aiolos Bio is a biotech company developing innovative therapies for respiratory diseases and immune conditions.
Founded 2023London, United States$245Mlast round Oct 2023 - 4
Leyden LabsLeyden Labs, founded in June 2020 in Leiden, Netherlands, is a biotechnology company focused on developing innovative solutions for respiratory health and pandeLeyden Labs, founded in June 2020 in Leiden, Netherlands, is a biotechnology company focused on developing innovative solutions for respiratory health and pande
Founded 2020Leiden, Netherlands$221Mlast round Jun 2026 - 5
VentiRx PharmaceuticalsVentiRx develops and commercializes small molecule products for the treatment of cancer, respiratory and inflammatory diseases.VentiRx develops and commercializes small molecule products for the treatment of cancer, respiratory and inflammatory diseases.
Founded 2006Seattle, United States$140Mlast round Sept 2014 - 6
Hansen MedicalHansen Medical focuses on robotic-assisted bronchoscopy for minimally invasive lung procedures.Hansen Medical focuses on robotic-assisted bronchoscopy for minimally invasive lung procedures.
Founded 2002Mountain View, United States$116Mlast round Mar 2015 - 7
PulmocidePulmocide is a private biopharmaceutical company based in London, United Kingdom, founded in 2007.Pulmocide is a private biopharmaceutical company based in London, United Kingdom, founded in 2007.
Founded 2013London, United Kingdom$110Mlast round Dec 2022 - 8
Kinaset TherapeuticsAt Kinaset Therapeutics, we intend to develop novel respiratory therapeutics that can positively impact people affected by intractable diseases.At Kinaset Therapeutics, we intend to develop novel respiratory therapeutics that can positively impact people affected by intractable diseases.
Founded 2020Boston, United States$103Mlast round Jan 2026 - 9
VicebioVicebio is a biopharmaceutical company developing next-generation respiratory virus vaccines using the Molecular Clamp technology.Vicebio is a biopharmaceutical company developing next-generation respiratory virus vaccines using the Molecular Clamp technology.
Founded -London, United Kingdom$100Mlast round Sept 2024 - 10
Avalyn PharmaAvalyn Pharma is a biopharma company developing therapies for the treatment of idiopathic pulmonary fibrosis and other respiratory diseases.Avalyn Pharma is a biopharma company developing therapies for the treatment of idiopathic pulmonary fibrosis and other respiratory diseases.
Founded 2011Seattle, United States$100Mlast round Jul 2025 - 11
RespicardiaRespicardia develops implantable therapies to improve respiratory and cardiovascular health.Respicardia develops implantable therapies to improve respiratory and cardiovascular health.
Founded 2006United States$91Mlast round Dec 2017 - 12
Bambusa TherapeuticsBambusa Therapeutics is a biotechnology company based in Boston's Seaport, founded in May 2024.Bambusa Therapeutics is a biotechnology company based in Boston's Seaport, founded in May 2024.
Founded 2024Boston, United States$90Mlast round Nov 2025 - 13
Enterprise TherapeuticsEnterprise Therapeutics Ltd is a UK-based biopharmaceutical company founded in 2014, located at the Sussex Innovation Centre in Brighton.Enterprise Therapeutics Ltd is a UK-based biopharmaceutical company founded in 2014, located at the Sussex Innovation Centre in Brighton.
Founded 2014Brighton, United Kingdom$80Mlast round Jan 2024 - 14LigoCyte PharmaceuticalsLigoCyte Pharmaceuticals is focused on developing vaccines and monoclonal antibodies for gastrointestinal and respiratory indications.
LigoCyte Pharmaceuticals is focused on developing vaccines and monoclonal antibodies for gastrointestinal and respiratory indications.
Founded 1998United States$72Mlast round Jun 2012 - 15
Propeller HealthPropeller Health, now operating as Reciprocal Labs Corporation under ResMed, was a digital therapeutics company founded in 2010.Propeller Health, now operating as Reciprocal Labs Corporation under ResMed, was a digital therapeutics company founded in 2010.
Founded 2010San Diego, United States$70Mlast round May 2018 - 16
NovaSomNovaSom provides obstructive sleep apnea home testing devices with cardio-respiratory monitoring ability.NovaSom provides obstructive sleep apnea home testing devices with cardio-respiratory monitoring ability.
Founded 1992Glen Burnie, United States$46Mlast round Jun 2014 - 17
Breathe TechnologiesBreathe Technologies provide healthcare providers and patients with respiratory therapies that optimize breathing and mobility.Breathe Technologies provide healthcare providers and patients with respiratory therapies that optimize breathing and mobility.
Founded 2005Irvine, United States$39Mlast round Jan 2015 - 18
TidalSenseTidalSense, based in Cambridge, United Kingdom, is a healthcare technology company founded in April 2013.TidalSense, based in Cambridge, United Kingdom, is a healthcare technology company founded in April 2013.
Founded 2013Cambridge, United Kingdom$38Mlast round Jul 2026 - 19
Meissa VaccinesMeissa Vaccines is a clinical-stage biotechnology company based in Redwood City, California, founded in 2014.Meissa Vaccines is a clinical-stage biotechnology company based in Redwood City, California, founded in 2014.
Founded 2014San Rafael, United States$33Mlast round Sept 2019 - 20
PrEP BiopharmPrEP Biopharm is a developer of respiratory infectious disease products.PrEP Biopharm is a developer of respiratory infectious disease products.
Founded 2015United Kingdom$32Mlast round Nov 2015 - 21
Noho MedNoho is a digital home-based program that features weekly check-ins with a respiratory therapist coach, personalized assessments, goal setting, critical educatiNoho is a digital home-based program that features weekly check-ins with a respiratory therapist coach, personalized assessments, goal setting, critical educati
Founded 2019New York, United States$27Mlast round Nov 2021 - 22OxagenOxagen develops small molecule drugs to treat inflammatory and respiratory diseases.
Oxagen develops small molecule drugs to treat inflammatory and respiratory diseases.
Founded 1996Abingdon, United Kingdom$27Mlast round Nov 2009 - 23
Kither BiotechKither Biotech is a biopharmaceutical company based in Turin, Italy, founded in November 2011 as a spin-off from the University of Turin.Kither Biotech is a biopharmaceutical company based in Turin, Italy, founded in November 2011 as a spin-off from the University of Turin.
Founded 2011Turin, Italy$27Mlast round Mar 2022 - 24
TelesairTelesair is a medical device company developing respiratory care solutions.Telesair is a medical device company developing respiratory care solutions.
Founded 2020Irvine, United States$25Mlast round Mar 2026 - 25
ENA RespiratoryEna Respiratory researches and develops solutions to transform the treatment and prevention of respiratory infections.Ena Respiratory researches and develops solutions to transform the treatment and prevention of respiratory infections.
Founded 2014Melbourne, Australia$24Mlast round Sept 2026 - 26
NovamabInnovative Nanobody drugs for respiratory treatmentsInnovative Nanobody drugs for respiratory treatments
Founded 2017Shanghai, China$24Mlast round Jul 2024 - 27
ActivaeroActivaero develops breathing technologies for patients suffering from severe respiratory diseases.Activaero develops breathing technologies for patients suffering from severe respiratory diseases.
Founded 2004Germany$23Mlast round Feb 2011 - 28
AeroRx TherapeuticsAeroRx Therapeutics is a clinical-stage biopharmaceutical company based in La Jolla, California.AeroRx Therapeutics is a clinical-stage biopharmaceutical company based in La Jolla, California.
Founded 2023San Diego, United States$21Mlast round Oct 2025 - 29Pneuma RespiratoryFounded 2015United States$19Mlast round Jul 2026
- 30TherabronTherabron Therapeutics, we are working to change how respiratory diseases are managed.
Therabron Therapeutics, we are working to change how respiratory diseases are managed.
Founded 2007Rockville, United States$18Mlast round Nov 2015 - 31
VirionHealthVirionHealth is a biotechnology company that primarily focuses on developing therapies for respiratory viral infections.VirionHealth is a biotechnology company that primarily focuses on developing therapies for respiratory viral infections.
Founded 2015Coventry, United Kingdom$17Mlast round Oct 2017 - 32Actimis PharmaceuticalsActimis Pharmaceuticals is a biopharmaceutical company developing small molecule therapeutics for respiratory and inflammatory disorders.
Actimis Pharmaceuticals is a biopharmaceutical company developing small molecule therapeutics for respiratory and inflammatory disorders.
Founded 2004San Diego, United States$16Mlast round Jun 2008 - 33
AlunaAluna is an award-winning healthcare technology company focused on improving the management of asthma and chronic respiratory diseases.Aluna is an award-winning healthcare technology company focused on improving the management of asthma and chronic respiratory diseases.
Founded 2016San Francisco, United States$15Mlast round Jan 2023 - 34Funxional TherapeuticsFunxional Therapeutics Ltd.
Funxional Therapeutics Ltd.
Founded 2005Ely, United Kingdom$12Mlast round May 2010 - 35
CoheroHealthCohero Health is a health technology company dedicated to managing respiratory diseases through its digital platform.Cohero Health is a health technology company dedicated to managing respiratory diseases through its digital platform.
Founded 2013Congers, United States$11Mlast round Nov 2016 - 36
Agitated SolutionsAgitated Solutions is a healthcare company that delivers microbubble treatment for patients with hypoxemic respiratory failure.Agitated Solutions is a healthcare company that delivers microbubble treatment for patients with hypoxemic respiratory failure.
Founded 2020Saint Paul, United States$10Mlast round Oct 2026 - 37
Quantum InnovationsQuantum Innovations is a Polish med-tech company based in Warsaw, dedicated to developing innovative medical devices for cardiac surgery, cardiology, intensive 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$10Mlast round Jun 2024 - 38
Climatic HealthClimatic Health develops a lung health system focused on breathing support, respiratory monitoring, and clinically studied methods.Climatic Health develops a lung health system focused on breathing support, respiratory monitoring, and clinically studied methods.
Founded -New York, United States$10Mlast round Jan 2026 - 39
PneumagenPneumagen develops glycan targeted carbohydrate binding modules (CBMs) for respiratory tract infections ) and cancer.Pneumagen develops glycan targeted carbohydrate binding modules (CBMs) for respiratory tract infections ) and cancer.
Founded 2016Saint Andrews, United Kingdom$10Mlast round Jun 2023 - 40
SIME DiagnosticsSIME is a clinical AI company applying medical excellence, proprietary AI and data ingenuity to deliver rapid respiratory intensive care diagnostics for acute unmet needs.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 2014London, United Kingdom$9.2Mlast round Aug 2026 - 41
PneumoWavePneumoWave is a digital health and digital therapeutics company based in Scotland, with significant operations in North Charleston, South Carolina.PneumoWave is a digital health and digital therapeutics company based in Scotland, with significant operations in North Charleston, South Carolina.
Founded 2018Eurocentral, United Kingdom$9.2Mlast round Jan 2023 - 42
Health Care OriginalsHealth Care Originals® (HCO) is a digital health startup based in Rochester, New York.Health Care Originals® (HCO) is a digital health startup based in Rochester, New York.
Founded 2015Rochester, United States$9.2Mlast round Oct 2024 - 43
HyféHyfe is a leader in AI-powered cough-monitoring and respiratory care technology, based in Wilmington, Delaware.Hyfe is a leader in AI-powered cough-monitoring and respiratory care technology, based in Wilmington, Delaware.
Founded 2020Wilmington, United States$9.0Mlast round Jun 2023 - 44
Verus HealthcareVerus Healthcare is a healthcare supply company based in Franklin, Tennessee, specializing in respiratory, urological, and related medical supplies.Verus Healthcare is a healthcare supply company based in Franklin, Tennessee, specializing in respiratory, urological, and related medical supplies.
Founded 2014Franklin, United States$7.2Mlast round Jun 2012 - 45ResprolyResproly is a respiratory system inhalation therapy and device developer.
Resproly is a respiratory system inhalation therapy and device developer.
Founded -China$7.0Mlast round Apr 2022 - 46
BetterBrandThe health you and your loved ones deserve.The health you and your loved ones deserve.
Founded 2019Los Angeles, United States$6.0Mlast round Jun 2023 - 47
PneumaCarePneumaCare develops products for diagnosis and monitoring of respiratory diseases using novel 3D imaging technology.PneumaCare develops products for diagnosis and monitoring of respiratory diseases using novel 3D imaging technology.
Founded 2008Ely, Cambridgeshire, United Kingdom$5.4Mlast round Oct 2013 - 48
INNOVUS PHARMACEUTICALSInnovus Pharmaceuticals develops healthcare products for dermatology, autoimmune, respiratory, and sexual dysfunction diseases.Innovus Pharmaceuticals develops healthcare products for dermatology, autoimmune, respiratory, and sexual dysfunction diseases.
Founded 2010Reno, United States$5.1Mlast round Aug 2013 - 49
VidaVIDA is modernizing lung and respiratory care through intelligenceVIDA is modernizing lung and respiratory care through intelligence
Founded 2004Coralville, United States$4.5Mlast round Sept 2023 - 50
AlveoGeneAlveoGene is a UK-based biotechnology company focused on developing inhaled gene therapies for rare respiratory diseases.AlveoGene is a UK-based biotechnology company focused on developing inhaled gene therapies for rare respiratory diseases.
Founded 2022Oxford, United Kingdom$4.4Mlast round Feb 2025
San Francisco, United States
Leiden, Netherlands
London, United Kingdom
Turin, Italy
Melbourne, Australia
Shanghai, China
Germany
Warszawa, PolandCompanies 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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