Icosavax

Seattle, United States Founded: 2017 • Age: 9 yrs Listed Acquired By Astrazeneca
Developer of computationally designed VLP vaccines for treating multiple infections

About Icosavax

Icosavax is a Healthcare company based in Seattle (United States) founded in 2017 by Adam Simpson, and was acquired by Astrazeneca in December 2023. Icosavax has raised $152 million across 3 funding rounds from investors including Astrazeneca, Citadel and Janus Henderson Investors. The company has 60 employees. Its chief executive, as recorded, is Adam Simpson. Its focus areas include Life Sciences, Pulmonology, Drugs and Lung Infections. Its legal entity is ICOSAVAX, INC. Its competitors include Moderna, Adaptive Biotechnologies and Novavax; 2 of its 3 listed competitors have raised funding.

Company details

Developer of computationally designed VLP vaccines for treating multiple infections. The company licensed technology offers proteins that can self-assemble into virus-like particles (VLPs), for its leading candidate IVX-121, which is a vaccine for the respiratory syncytial virus and leading to improved neutralizing responses in humans. The company is also working on RSV and SARS-CoV-2 vaccine development.

  • Headquarters Seattle, United States
  • Employees 60
  • Founders Adam Simpson
  • Stage Acquired
  • Sectors
    Healthcare
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website icosavax.com
  • Social LinkedIn X Facebook
  • Acquired by Astrazeneca (Dec 2023)
  • Legal Name Icosavax, Inc.
Key Metrics
  • Total Equity Funding
    $152M (USD)

    in 3 rounds

  • Latest Funding Round
    $100M (USD), Series B

    Apr 2021

  • Investors
    Astrazeneca

    & 13 more

  • Employee Count
    60
  • Acquired by
    Astrazeneca

    (Dec 2023)

Funding Insights of Icosavax

Icosavax has successfully raised a total of $152M across 3 strategic funding rounds. The most recent funding activity was a Series B round of $100 million completed in April 2021. 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 $152M
  • Total Rounds 3
  • Last Round Series B β€” $100M
  • First Round $52M

    (Oct 2019)

  • Investors Count 13

All 3 funding rounds of Icosavax with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Apr 2021$100MSeries B–RA Capital Management
Oct 2020$6.5MGrant––
Oct 2019$52MSeries A–Qiming
Valuation history

14 investors in total: 14 institutional.

Investors in Icosavax

Icosavax has secured backing from 14 investors, including institutional and venture fund investors. Prominent investors backing the company include Astrazeneca, Citadel and Janus Henderson Investors.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Health-tech companies are targeted for venture capital investments.
1999perceptivelife.comNew York, United States
Multiple sectors are targeted for venture capital investments.
1934janushenderson.comLondon, United Kingdom
Venture capital firm
omegafunds.comBoston, United States
Private markets investment management with strategies in equity, credit, and secondary investments.
adamsstreetpartners.com
Life-Sciences focused Early stage Corporate VC Firm investing in the US
sanofiventures.comParis, France
Tech startups are invested in by this venture capital firm.
nd.capitalWoodside, United States
Venture capital investments are directed toward multiple sectors.
2006qimingvc.comShanghai, China
Private investment firm focused on multiple sectors
vikingglobal.comGreenwich, United States
Healthcare companies are funded by Qiming, a venture capital firm.
qimingvcusa.comCambridge, United States
RA Capital is engaged in evidence-based investing in healthcare and life sciences.
2004racap.comBoston, United States
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Investor details for Icosavax

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People of Icosavax

33 people are tracked at Icosavax (13 in leadership, 11 in board & advisors, 9 in team); the tracked headcount is 60.

NameRoleGroup
Adam Simpson
Founder & CEOLeadership
Niranjan Kanesa-Thasan
Chief Medical OfficerLeadership
Thalia Nguyen
Director, Technical Operations Project ManagementLeadership
Douglas Holtzman
Chief Scientific OfficerLeadership
Geremy Knapp
Director Of Quality ControlLeadership
M. Amin Khan
EVP & Head of R&DLeadership
Amin Khan
Executive VP and Head R&DLeadership
Andy Castro
Director, AccountingLeadership
Adrian DuPre
Sr. Director, Information TechnologyLeadership
Inna Dashevsky
Sr. Director PMOLeadership
Kevin DeGiusti
Director of Drug Substance OperationsLeadership
Peter de Vries
Director, Scientific Project Management, PreclinicalLeadership
W. Jacob Ezzell
Director of Drug Product OperationsLeadership
James Wassil
DirectorBoard & advisors
Neil King
Chair, Scientific Advisory BoardBoard & advisors
Ann Veneman
DirectorBoard & advisors
Heidi Kunz
DirectorBoard & advisors
Christian Mandl
SAB MemberBoard & advisors
Mark McDade
ChairBoard & advisors
David Baker
Co-Founder & Scientific AdvisorBoard & advisors

13 more people are available in the full profile.

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Complete people profiles for Icosavax

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Timeline of Icosavax

5 dated milestones of Icosavax across 6 years, from founding to its latest funding, stage changes and deals.

  1. Founded Icosavax is founded.
  2. Funding First funding round of $52.0M.
  3. Funding Latest funding round, Series B, of $100.0M.
  4. IPO Lists on the stock exchange (IPO).
  5. Exit Acquired by Astrazeneca.

Competitors of Icosavax

Icosavax has 3 listed competitors in our database, 2 of them funded. They include Moderna, Adaptive Biotechnologies and Novavax.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
modernatx.com2010Cambridge, United States$2.78B1,312
mRNA-based therapeutics for diseases including cancer and infections are developed.
adaptivebiotech.com2009Seattle, United States$419.15M609
Clinical diagnostics and drug discovery for immune diseases are provided.
novavax.com1987Gaithersburg, United States184
Novel vaccines are developed using nanoparticle and matrix adjuvant technology.
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Detailed competitors of Icosavax

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Top companies in Infectious Diseases

3 companies that operate in the same segment as Icosavax (Infectious Diseases) in United States, 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
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Related news about Icosavax

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Frequently Asked Questions about Icosavax

Icosavax was founded in 2017 and raised its 1st funding round 2 years after it was founded.

Icosavax is headquartered in Seattle, United States. It is registered at Seattle, Washington, United States.

Adam Simpson is the CEO of Icosavax, as recorded in our data. They have also founded this company.

Icosavax is a funded company, having raised a total of $152M across 3 funding rounds to date. The company's 1st funding round was a Series A of $52M, raised on Oct 2019.

Icosavax has 60 employees.

Developer of computationally designed VLP vaccines for treating multiple infections. The company licensed technology offers proteins that can self-assemble into virus-like particles (VLPs), for its leading candidate IVX-121, which is a vaccine for the respiratory syncytial virus and leading to improved neutralizing responses in humans. The company is also working on RSV and SARS-CoV-2 vaccine development.

Icosavax's top competitors include Moderna, Adaptive Biotechnologies and Novavax.

Icosavax has 14 investors. Key investors include Astrazeneca, Citadel, Janus Henderson Investors, RA Capital, and Qiming Venture Partners.

Icosavax operates through Icosavax, Inc..

Yes. Icosavax was acquired by Astrazeneca in December 2023.

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