M&A Deal Summary

Astellas Pharma Acquires OSI Pharmaceuticals

On June 9, 2010, Astellas Pharma acquired life science company OSI Pharmaceuticals for 4.0B USD

Acquisition Highlights
  • This is Astellas Pharma’s 2nd transaction in the Life Science sector.
  • This is Astellas Pharma’s 2nd largest (disclosed) transaction.
  • This is Astellas Pharma’s 2nd transaction in the United States.
  • This is Astellas Pharma’s 1st transaction in New York.

M&A Deal Summary
Date 2010-06-09
Target OSI Pharmaceuticals
Sector Life Science
Buyer(s) Astellas Pharma
Deal Type Add-on Acquisition
Deal Value 4.0B USD
Advisor(s) Centerview Partners
Solomon Partners (Financial)

Target

OSI Pharmaceuticals

Farmingdale, New York, United States
OSI Pharmaceuticals Inc. is an oncology drug discovery and translational research company, primarily focused on the discovery of molecular targeted therapies.

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Buyer(S) 1

Buyer

Astellas Pharma

Tokyo, Japan
Category Company
Founded 1923
Sector Life Science
Employees14,754
Revenue 1.60T JPY (2024)
DESCRIPTION
Astellas office complex in Northbrook, Illinois.
Astellas office complex in Northbrook, Illinois.

Astellas Pharma is a pharmaceutical company committed to the therapeutic fields of urology, immunology, oncology, neuroscience and DM complications and metabolic diseases. Astellas Pharma was incorporated in 1923 and is based in Tokyo, Japan.

DEAL STATS #
Overall 2 of 14
Sector (Life Science) 2 of 13
Type (Add-on Acquisition) 2 of 14
State (New York) 1 of 1
Country (United States) 2 of 11
Year (2010) 1 of 1
Size (of disclosed) 2 of 10
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2007-11-27 Agensys

Santa Monica, California, United States

Astellas Pharma US, Inc., is the U.S. affiliate of Astellas Pharma Inc., Japan’s second largest pharmaceutical company and ranked within the top 20 in the global market. Astellas Pharma US is located in Deerfield, Illinois, and is the company'sheadquarters for the Americas.

Buy -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2011-05-16 Perseid Therapeutics

Redwood City, California, United States

Perseid Therapeutics LLC engages in the discovery, and research and development.

Buy -
Mergr

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