Deal Flow
Letter · prints on one page
Transaction tear sheetData as of Nov 7, 2026
M&A · Healthcare · Biological Products, (No Diagnostic Substances)

AstraZeneca PLC to acquire Icosavax, Inc.

Announced Dec 11, 2023 · Closed Feb 20, 2024

Deal value$800MEV $695M
Premium43.0%To unaffected price
EV / Adj. EBITDA—
ConsiderationAll cash$15.00 per share

Transaction

Acquirer
AstraZeneca PLC (AZN)
Target
Icosavax, Inc. (ICVX)
Buyer type
Strategic
Offer price per share
$15.00
Enterprise value
$695M
Status
Closed Feb 20, 2024

Deal protections

Break fee (target pays)
$27.2M · 3.4%
Reverse fee (buyer pays)
$47.6M · 6.0%
Go-shop
No-shop
Financing
No financing condition

Advisors

To the acquirer
Not disclosed
To the target
Centerview
Centerview fee
$21.0M

Sector context · Healthcare

Comparable deals
98 in the prior 24 months
Premium
43.0% vs. 52.5% sector median
EV / Adj. EBITDA
Sector median 17.1x
Break fee
3.4% vs. 3.5% sector median

Timeline

  1. AnnouncedDec 11, 2023
  2. Tender offerDec 27, 2023
  3. ClosedFeb 20, 2024

Valuation · fairness opinions

Discounted cash flow$11.10$16.80
Analyst price targets$15.00$30.00
Premiums paid$15.75$18.35
Premiums paid$15.60$17.95
Offer $15.00

Implied value per Icosavax, Inc. share by analysis, from Centerview · DCF discount rate 13.75%–15.75%.

Sources
  • SC TO-C (EX-99.1) · Dec 12, 2023
  • 8-K · Dec 12, 2023

Adj. EBITDA is operating income + D&A + impairment, restructuring, deal costs and stock compensation, less any large gain on a sale, last twelve months, from the target's filings. Calculated by Castle, so it can differ from a bank's adjusted figure.

Prepared with Castle from public SEC EDGAR filings. Figures are extracted automatically; verify against the source documents. Not investment advice.