Icosavax Overview

  • Year Founded
  • 2017

Year Founded

  • Status
  • Acquired/​Merged

  • Employees
  • 59

Employees

  • Latest Deal Type
  • M&A

  • Latest Deal Amount
  • $1.14B

  • Investors
  • 1

Icosavax General Information

Description

Developer of computationally designed virus-like particle vaccine designed to reduce serious infectious diseases including respiratory syncytial virus. The company's VLP platform technology is designed to enable a multivalent, particle-based display of complex viral antigens, that induce broad, robust and durable protection against the specific viruses targeted.

Contact Information

Ownership Status
Acquired/Merged
Financing Status
Formerly VC-backed
Corporate Office
  • 1930 Boren Avenue
  • Suite 1000
  • Seattle, WA 98101
  • United States
Primary Industry
Drug Discovery
Other Industries
Biotechnology
Acquirer
Vertical(s)
Corporate Office
  • 1930 Boren Avenue
  • Suite 1000
  • Seattle, WA 98101
  • United States

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Icosavax Valuation & Funding

Deal Type Date Amount Raised to Date Post-Val Status Stage
9. Merger/Acquisition 19-Feb-2024 $1.14B Completed Generating Revenue
8. PIPE 11-Aug-2023 Completed Generating Revenue
7. IPO 29-Jul-2021 Completed Generating Revenue
6. Early Stage VC (Series B) 07-Apr-2021 Completed Generating Revenue
5. Grant 02-Nov-2020 Completed Startup
4. Early Stage VC (Series A) 03-Oct-2019 Completed Startup
3. Seed Round 01-Jan-2018 Completed Startup
2. Grant Completed Startup
1. University Spin-Out 01-Jan-2017 Completed Startup
To view Icosavax’s complete valuation and funding history, request access »

Icosavax Cap Table

Stock # of Shares
Authorized
Par Value Dividend Rate (%) Original
Issue Price
Liquidation Liquidation
Pref. Multiple
Conversion Price % Owned
Series B-2
Series B-1
Series A-2 4,949,794 $0.000100 8% $0.77 $0.77 1x $0.77 3.99%
Series A-1 49,193,959 $0.000100 8% $0.96 $0.96 1x $0.96 39.69%
To view Icosavax’s complete cap table history, request access »

Icosavax Comparisons

Description
Primary
Industry
HQ Location
Employees
Total Raised
Post Valuation
Last
Financing
Details
Developer of computationally designed virus-like particle vaccine designed to reduce serious infectious diseases includi
Drug Discovery
Seattle, WA
59 As of 2023

Boecillo, Spain
 

White Bear Lake, MN
 
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Icosavax Competitors (12)

One of Icosavax’s 12 competitors is VLPbio, a Formerly VC-backed company based in Boecillo, Spain.

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
VLPbio Formerly VC-backed Boecillo, Spain
MnPharm Venture Capital-Backed White Bear Lake, MN
OyaGen Venture Capital-Backed Rochester, NY
iBio Corporation San Diego, CA
Ayala Pharmaceuticals Corporation Wilmington, DE
You’re viewing 5 of 12 competitors. Get the full list »

Icosavax Patents

Icosavax Recent Patent Activity

Publication ID Patent Title Status First Filing Date Technology (CPC) Citations
US-20250222092-A1 Protein nanostructure vaccine Pending 09-Jan-2024
WO-2025151358-A1 Protein nanostructure vaccine Inactive 09-Jan-2024
EP-4812180-A1 Nanostructure-forming polypeptides and uses thereof Pending 21-Nov-2023
US-20250163400-A1 Nanostructure-forming polypeptides and uses thereof Pending 21-Nov-2023
WO-2025111362-A1 Nanostructure-forming polypeptides and uses thereof Inactive 21-Nov-2023 C12Y401/02014
To view Icosavax’s complete patent history, request access »

Icosavax Signals

Growth Rate

Weekly
Growth
Weekly Growth

Size Multiple

Median
Size Multiple

Key Data Points

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Icosavax Former Investors (27)

Investor Name Investor Type Holding Investor Since Participating Rounds
Adams Street Partners PE/Buyout Minority
Burroughs Wellcome Fund Other Minority
Cormorant Asset Management PE/Buyout Minority
Embo (Other Commercial Services) Other Minority
Gates Foundation Not-For-Profit Venture Capital Minority
You’re viewing 5 of 27 investors. Get the full list »

Icosavax ESG

Risk Overview

Risk Rating

Updated August, 31, 2023

33.34 | High Risk

Risk Scale

A lower score indicates better sustainability

Negl

0-10

Low

10-20

Med

20-30

High

30-40

Severe

40+

Exposure

Exposure refers to the extent to which a company is exposed to different material ESG issues

Management

Management is related to actions taken to manage ESG issues

Peers Analysis

Peer performance insights compare the company’s ESG performance to the performance of selected peers to help inform future ESG decisions and drive internal performance improvements.

Global

Covered Companies

of 14,766

Rank

Percentile

Pharmaceuticals

Industry

of 891

Rank

Percentile

Pharmaceuticals

Subindustry

of 435

Rank

Percentile

To view Icosavax’s complete esg history, request access »

Icosavax FAQs

  • When was Icosavax founded?

    Icosavax was founded in 2017.

  • Where is Icosavax headquartered?

    Icosavax is headquartered in Seattle, WA.

  • What is the size of Icosavax?

    Icosavax has 59 total employees.

  • What industry is Icosavax in?

    Icosavax’s primary industry is Drug Discovery.

  • Is Icosavax a private or public company?

    Icosavax is a Private company.

  • What is the current valuation of Icosavax?

    The current valuation of Icosavax is .

  • What is Icosavax’s current revenue?

    The current revenue for Icosavax is .

  • How much funding has Icosavax raised over time?

    Icosavax has raised $405M.

  • Who are Icosavax’s investors?

    Adams Street Partners, Burroughs Wellcome Fund, Cormorant Asset Management, Embo (Other Commercial Services), and Gates Foundation are 5 of 27 investors who have invested in Icosavax.

  • Who are Icosavax’s competitors?

    VLPbio, MnPharm, OyaGen, iBio, and Ayala Pharmaceuticals are some of the 12 competitors of Icosavax.

  • When was Icosavax acquired?

    Icosavax was acquired on 19-Feb-2024.

  • Who acquired Icosavax?

    Icosavax was acquired by AstraZeneca.

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