PATH EX

Nashville, United States Founded: 2016 • Age: 10 yrs
Developing blood-cleansing device to remove pathogens from circulating blood

About PATH EX

PATH EX is a Healthcare company based in Nashville (United States) founded in 2016 by Alex Wieseler and Sinead Miller. It operates as a developing blood-cleansing device to remove pathogens from circulating blood. PATH EX has raised $5 million across 6 funding rounds from investors including MedTech Innovator, MassChallenge and America’s Seed Fund. Its chief executive is Sinead Miller. PATH EX offers products and services including PATH EX Therapeutic and PATH EX Diagnostic. Its focus areas include Life Sciences, Infectious Diseases, Medical Devices and Therapeutics. Its competitors include Aethlon Medical, Cerus, Amferia, Ondine Biomedical and Z-App Kit and 4 more; 4 of its 9 listed competitors have raised funding.

Company details

PATH EX was founded in 2016 in Nashville, United States, with operations centered on medical device development in the biotechnology sector. An extracorporeal blood-cleansing device is being created to eliminate multi-drug resistant bacteria and endotoxins from blood circulation. Pre-clinical studies indicated a 95 bacteria reduction in a single pass. The companys work targets pathogen removal technologies for potential clinical applications.

  • Headquarters Nashville, United States
  • Founders Alex Wieseler, Sinead Miller
  • Sectors
    Healthcare
  • Website pathex.co
  • Social LinkedIn X
Operational Areas
Key Metrics
  • Total Equity Funding
    $5M (USD)

    in 6 rounds

  • Latest Funding Round
    $5M (USD), Series A

    May 2025

  • Investors

Products & Services of PATH EX

PATH EX offers a comprehensive portfolio of products and services, including PATH EX Therapeutic and PATH EX Diagnostic.

PATH EX Therapeutic
Blood Cleansing Device

Device removes pathogens and endotoxins from blood for sepsis treatment.

PATH EX Diagnostic
Pathogen Isolation Device

Captures pathogens from blood for identification without culturing.

Funding Insights of PATH EX

PATH EX has successfully raised a total of $5M across 6 strategic funding rounds. The most recent funding activity was a Series A round of $5 million completed in May 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $5M
  • Total Rounds 6
  • Last Round Series A — $5M
  • Investors Count 8

All 6 funding rounds of PATH EX with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
May 2025$5MSeries A–IAG Capital Partners
Sep 2021$25,000Grant––
Oct 2020$100,000Grant––
Jun 2018$909,999Grant––
Jul 2017$225,000Grant––
Jun 2017–Seed––
Valuation history

8 investors in total: 8 institutional.

Investors in PATH EX

PATH EX has secured backing from 8 investors, including venture fund and institutional investors. Prominent investors backing the company include MedTech Innovator, MassChallenge and America’s Seed Fund.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Acceleration of medical device, digital health, and diagnostic companies is facilitated worldwide.
–medtechinnovator.org-
Early-stage entrepreneurs are accelerated through MassChallenge's program.
–masschallenge.orgBoston, United States
Venture capital fund backed by the US Government
–seedfund.nsf.govAlexandria, United States
Early-stage investments are made in high-growth technology companies.
–innovamemphis.comMemphis, United States
Venture capital investments are provided by IAG Capital Partners.
–iagcapitalpartners.comCharleston, USA
Early-stage Life-Sciences & Offline focused VC firm funding companies in the US
–tmcventurefund.comHouston, United States
-
–fitzgate.com-
A government-backed foundation providing seed-stage investments to support small businesses.
1950nsf.govArlington, United States
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Investor details for PATH EX

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People of PATH EX

2 people are tracked at PATH EX (2 in leadership).

NameRoleGroup
Alex Wieseler
Co-Founder & COOLeadership
Sinead Miller
Co-Founder & CEOLeadership
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Timeline of PATH EX

3 dated milestones of PATH EX across 9 years, from founding to its latest funding, stage changes and deals.

  1. Founded PATH EX is founded.
  2. Funding First funding round.
  3. Funding Latest funding round, Series A, of $5.0M.

Competitors of PATH EX

PATH EX has 9 listed competitors in our database, 4 of them funded. They include Aethlon Medical, Cerus, Amferia, Ondine Biomedical and Z-App Kit, among others.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
aethlonmedical.com1999San Diego, United States–14
Hemopurification devices are developed to eliminate viruses and exosomes.
cerus.com1991Concord, United States–247
Provider of pathogen inactivation technology for blood center or hospital blood bank
amferia.com2018Gothenburg, Sweden$3.45M–
Anti-infective technology is developed using selective anti-bacterial polymers.
ondinebio.com1999Vancouver, Canada–49
Anti-infective therapies are developed via light-activated Photodisinfection technology.
zappkit.com2007Hafnarfjordur, Iceland––
Provides frequency therapy through mobile app and hardware for user health support.
laradasciences.com2006Salt Lake, United States$2.63M–
Head lice are removed by a network of certified professionals.
3oescientific.com2010Carmel, United States$3.71M–
Provider of smart solutions to manage pathogen infections
toefx.com2016Hamilton, Canada$30,000–
Treatments for toenail fungus are developed using photodynamic therapy.
tcubeit.com2019Sejong, South Korea––
T cell-based immuno-therapeutics for cancer and infectious diseases are developed.
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Detailed competitors of PATH EX

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Top companies in Infectious Diseases

10 companies that operate in the same segment as PATH EX (Infectious Diseases), ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
mRNA-based therapeutics for diseases including cancer and infections are developed.
2010Cambridge, Massachusetts, United StatesUSD 2.78 BUSD 1.94 B5,800
Developer of molecular diagnostic testing solutions
1996Sunnyvale, California, United StatesUSD 19.1 MUSD 54.88 M208
Therapeutics for drug-resistant bacterial infections are developed.
2013Cambridge, Massachusetts, United StatesUSD 114.7 MUSD 59.62 M32
Clinical diagnostics and drug discovery for immune diseases are provided.
2009Seattle, Washington, United StatesUSD 419.15 MUSD 276.98 M619
Vaccines for infectious diseases are developed using cell-free protein synthesis.
2013Foster City, California, United StatesUSD 347 M–414
Portable PCR diagnostics for infectious diseases are developed.
2010San Jose, California, United StatesUSD 386.33 M–172
Developing glucan synthase inhibitors for the treatment of fungal infections.
1999Jersey City, New Jersey, United StatesUSD 62.65 MUSD 20.6 M28
Sherlock Biosciences is focused on molecular diagnostics development.
2019Watertown, United StatesUSD 111 M–33
Provider of diagnostic solutions for systemic infections
2016San Francisco, California, United StatesUSD 191.47 M–54
Developer of novel protein-based therapeutics using machine learning and biological engineering
2018Somerville, Massachusetts, United StatesUSD 693 M–329
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Related news about Path Ex

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Frequently Asked Questions about PATH EX

PATH EX was founded in 2016 and raised its 1st funding round 1 year after it was founded.

PATH EX is headquartered in Nashville, United States. It is registered at Nashville, Tennessee, United States.

Sinead Miller is the current CEO of PATH EX. They have also founded this company.

PATH EX is a funded company, having raised a total of $5M across 6 funding rounds to date.

PATH EX was founded in 2016 in Nashville, United States, with operations centered on medical device development in the biotechnology sector. An extracorporeal blood-cleansing device is being created to eliminate multi-drug resistant bacteria and endotoxins from blood circulation. Pre-clinical studies indicated a 95 bacteria reduction in a single pass. The companys work targets pathogen removal technologies for potential clinical applications.

PATH EX's top competitors include Cerus, Aethlon Medical and Amferia.

PATH EX offers PATH EX Therapeutic and PATH EX Diagnostic.

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