Icosavax

Seattle, United States Founded: 2017 • Age: 9 yrs Acquired By Astrazeneca
Developer of computationally designed VLP vaccines for treating multiple infections
Annual revenue - Latest available
Total funding $152.0M 3 rounds
Employees 60 Tracked headcount
Investors 14 Known backers
Products - Services tracked
Competitors 10 Brand Intelligence

About Icosavax

Icosavax is a company based in Seattle (United States) founded in 2017 by Adam Simpson 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 as of December 31, 2022. Icosavax operates in a competitive market with competitors including Moderna, Adaptive Biotechnologies, Chimerix, HOOKIPA Pharma and Novavax, among others.

  • Headquarter Seattle, United States
  • Employees 60 as on 31 Dec, 2022
  • Founders Adam Simpson
  • Stage Public
  • Sectors
    Healthcare
  • Email
    Locked
  • Phone
    Locked
  • Website
    Locked
  • Social
    Locked
  • Legal Name Icosavax, Inc.
Operational Areas
Healthcare → Healthcare Products & Supplies Unlock Sub-Sector Unlock Segment
Healthcare → Healthcare Products & Supplies Unlock Sub-Sector Unlock Segment
Key Metrics
  • Annual Revenue
    Not available
  • Net Profit
    Not available
  • EBITDA
    Not available
  • Total Equity Funding
    $152 M (USD)

    in 3 rounds

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

    Apr 07, 2021

  • Investors
    Astrazeneca

    & 13 more

  • Employee Count
    60

    as on Dec 31, 2022

  • Acquired by
    Astrazeneca

    (Dec 12, 2023)

Upgrade to premium

Unlock complete access to The Company Check

Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.

Upgrade to Premium No viewing limits. Your plan controls exports and screening usage.
Included in your Premium account
  • Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
  • Full access to every database India & global coverage, advanced filters and rich profile details
  • Always-on access from your team account Single premium plan for everything you see on the portal

People of Icosavax

Headcount 50-200
Employee Profiles 21
Board Members and Advisors 11
Employee Profiles
People
Niranjan Kanesa-Thasan
Chief Medical Officer
People
Thalia Nguyen
Director, Technical Operations Project Management
People
Elizabeth Karvonen
Senior Manager Business Operations
People
Douglas Holtzman
Chief Scientific Officer

Unlock access to complete

Board Members and Advisors
people
James Wassil
Director

Unlock access to complete

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.

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
Investor Description Founded Year Domain Location
Health-tech companies are targeted for venture capital investments.
Locked Locked Locked
Multiple sectors are targeted for venture capital investments.
Locked Locked Locked
Venture capital firm
Locked Locked Locked
Premium access

Investor details for Icosavax

Investor domains, locations, round participation, and complete history require an active premium plan.

  • Investor domains
  • Investor locations
  • Funding rounds
  • Participation history

Verified entity values are shown only after access is granted.

Investments & Acquisitions by Icosavax

Investments
Premium access

Investment portfolio details for Icosavax

Portfolio company identities, transaction dates, round details, and investment values require an active premium plan.

  • Portfolio identities
  • Transaction dates
  • Round details
  • Investment values

Verified entity values are shown only after access is granted.

Financial Statements - Icosavax

Premium access

Detailed financials for Icosavax

Historical revenue, profit, statement rows, ratios, and trend charts require an active premium plan.

  • Historical revenue
  • Profit trends
  • Statement rows
  • Financial ratios

Verified entity values are shown only after access is granted.

Icosavax Comparisons

Icosavax Primary company
Description
Developer of computationally designed VLP vaccines for treat...
Location
Seattle, United States
Founded Year
2017
Annual Revenue
Not available
Net Profit
Not available
EBITDA
Not available
Employees
60
As of 2022
Premium access

Peer comparison for Icosavax

Named peer metrics, headcount, funding, location, and side-by-side benchmarks require an active premium plan.

  • Named peers
  • Headcount comparison
  • Funding comparison
  • Operating benchmarks

Verified entity values are shown only after access is granted.

+
Add Comparison
Available on Premium

Competitors of Icosavax

Icosavax operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Moderna, Adaptive Biotechnologies, Chimerix, HOOKIPA Pharma and Novavax, among others.

Company Name Domain Founded year HQ Location Description
Locked Locked Locked
mRNA-based therapeutics for diseases including cancer and infections are developed.
Locked Locked Locked
Clinical diagnostics and drug discovery for immune diseases are provided.
Locked Locked Locked
Antiviral oral therapeutics are developed for infectious diseases and cancers.
Locked Locked Locked
Developer of immunotherapies for the treatment of infectious diseases and cancer
Locked Locked Locked
Novel vaccines are developed using nanoparticle and matrix adjuvant technology.
Locked Locked Locked
Developer of novel protein-based therapeutics using machine learning and biological engineering
Premium access

Detailed competitors of Icosavax

Competitor domains, locations, full profiles, and operating metrics require an active premium plan.

  • Domains and locations
  • Full company profiles
  • Operating metrics
  • Competitive positioning

Verified entity values are shown only after access is granted.

Latest news on Icosavax

Premium access

Complete news archive for Icosavax

Full article history, source details, and older brand coverage require an active premium plan.

  • Full article archive
  • Source and publication date
  • Older coverage
  • Brand-specific news history

Verified entity values are shown only after access is granted.

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 current CEO of Icosavax. They have also founded this company.

Icosavax is a funded company, having raised a total of $152M across 3 funding rounds to date.

As of Dec 31, 2022, the latest employee count at Icosavax is 60.

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 Generate Biomedicines.

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

Explore millions of companies — effortlessly

Access structured, verified intelligence on 7M+ companies across industries, sectors, and global markets. From early-stage startups to large enterprises, discover ownership, leadership, funding, financials, acquisitions, and market signals — all in one powerful platform.

Free account with essential features Instant access to company reports Enterprise solutions available