M&A Deal Summary

Pfizer Acquires Angiosyn

On January 20, 2005, Pfizer acquired life science company Angiosyn from Alta Partners for 527M USD

Acquisition Highlights
  • This is Pfizer’s 4th transaction in the Life Science sector.
  • This is Pfizer’s 19th largest (disclosed) transaction.
  • This is Pfizer’s 4th transaction in the United States.
  • This is Pfizer’s 1st transaction in California.

M&A Deal Summary

Date 2005-01-20
Target Angiosyn
Sector Life Science
Buyer(s) Pfizer
Sellers(s) Alta Partners
Deal Type Add-on Acquisition
Deal Value 527M USD

Target

Angiosyn

La Jolla, California, United States
Angiosyn, Inc. is a biopharmaceutical company developing novel proprietary biologics for controlling angiogenesis. The company's initial therapeutic indication is for ophthalmic diseases, such as macular degeneration and diabetic retinopathy, which due to angiogenesis can lead to decreased vision and blindness.

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Buyer(S) 1

Buyer

Pfizer

New York, New York, United States

Category Company
Founded 1849
Sector Life Science
Employees81,000
Revenue 63.6B USD (2024)
DESCRIPTION
Pfizer office in Lake Forest, Illinois.
Pfizer office in Lake Forest, Illinois.

Pfizer is a global pharmaceutical company that is involved in the discovery, development, manufacture, and marketing of a wide range of healthcare products, including medicines and vaccines. The company's portfolio includes treatments across a broad spectrum of areas such as oncology, cardiology, neurology, and infectious diseases, among others. Pfizer was founded in 1849 and is based in New York, New York.


DEAL STATS #
Overall 4 of 46
Sector: Life Science M&A 4 of 41
Type: Add-on Acquisition M&A Deals 3 of 33
State: California M&A 1 of 14
Country: United States M&A 4 of 33
Year: 2005 M&A 1 of 2
Size (of disclosed) 19 of 24
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2003-12-21 Esperion Therapeutics

Plymouth, Michigan, United States

Development stage biotechnology company focused on cardiovascular drugs. Drug discovery and development company focused on therapies that prevent, treat and reverse cardiovascular and metabolic diseases.

Buy -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2005-08-15 Bioren

San Carlos, California, United States

Bioren, Inc. is a antibody discovery and optimization company developing a rational approach to antibody engineering. Bioren utilizes its patented Walk Through Mutagenesis (WTM) technology to design antibodies in an in vitro and fully automated system.

Buy -

Seller(S) 1

SELLER

Alta Partners

Jackson, Wyoming, United States

Investor Investor Investor Investor


Category Venture Capital Firm
Founded 1996
PE ASSETS 2.6B USD
Size Large
Type Sector Focused
DESCRIPTION

Alta Partners is a venture capital firm that targets investments in early and later stage life science companies, including biopharmaceuticals, medical technology, and information technology businesses. Alta was formed as an early stage investor but has since expanded its investment range to provide later stage growth capital to private and young public companies. Alta was established in 1996 and is headquartered in San Francisco, California.


DEAL STATS #
Overall 21 of 85
Sector: Life Science M&A 12 of 65
Type: Add-on Acquisition M&A Deals 13 of 45
State: California M&A 12 of 41
Country: United States M&A 19 of 75
Year: 2005 M&A 2 of 6
Size (of disclosed) 7 of 23
PREVIOUS DEAL
DATE TARGET DEAL TYPE VALUE
2005-01-01 Silence Therapeutics

London, United Kingdom

Silence Therapeutics is developing a new generation of medicines by harnessing the body's natural mechanism of RNA interference, or RNAi, within its cells. Silence Therapeutics proprietary technology can selectively inhibit any gene in the genome, specifically silencing the production of disease-causing proteins. Silence Therapeutics was incorporated in 1994 and is based in London, United Kingdom.

Sell -
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2005-04-19 Orphan Medical

Minnetonka, Minnesota, United States

Orphan Medical is a specialty pharmaceutical company which acquires, develops, and markets pharmaceuticals for inadequately treated and uncommon diseases, including sleep disorders. The Company recently received regulatory approval in the United States for Xyrem, a therapeutic for the treatment of cataplexy. Orphan Medical was a public company traded on Nasdaq under the symbol ORPH.

Sell $123M