M&A Deal Summary

Ionis Acquires Gilead Antisense Patent Estate

On December 18, 1998, Ionis acquired life science company Gilead Antisense Patent Estate from Gilead Sciences for 6M USD

Acquisition Highlights
  • This is Ionis’ 1st transaction in the Life Science sector.
  • This is Ionis’ largest (disclosed) transaction.
  • This is Ionis’ 1st transaction in the United States.
  • This is Ionis’ 1st transaction in California.

M&A Deal Summary
Date 1998-12-18
Target Gilead Antisense Patent Estate
Sector Life Science
Buyer(s) Ionis
Sellers(s) Gilead Sciences
Deal Type Divestiture
Deal Value 6M USD

Target

Gilead Antisense Patent Estate

Foster City, California, United States
Gilead Antisense Patent Estate provides patent applications covering a broad proprietary suite of antisense chemistry and antisense drug delivery systems.

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Buyer(S) 1

Buyer

Ionis

Carlsbad, California, United States
Category Company
Founded 1989
Sector Life Science
Employees927
Revenue 788M USD (2023)
DESCRIPTION

Ionis is a drug development programs are focused on treating cardiovascular and metabolic diseases. Ionis' partners are developing antisense drugs invented by Isis to treat a wide variety of diseases. Ionis was founded in 1989 and is based in Carlsbad, California.

DEAL STATS #
Overall 1 of 3
Sector (Life Science) 1 of 3
Type (Divestiture) 1 of 1
State (California) 1 of 1
Country (United States) 1 of 3
Year (1998) 1 of 1
Size (of disclosed) 1 of 1
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
2007-09-27 Symphony GenIsis

Rockville, Maryland, United States

Symphony GenIsis, Inc. is a biopharmaceutical company, develops cholesterol-lowering and diabetic drugs.

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Seller(S) 1

SELLER

Gilead Sciences

Foster City, California, United States
Category Company
Founded 1987
Sector Life Science
Employees18,000
Revenue 27.1B USD (2023)
DESCRIPTION
Entrance to Gilead Sciences' corporate headquarters in Foster City, California.
Entrance to Gilead Sciences' corporate headquarters in Foster City, California.

Gilead Sciences is a research-based biopharmaceutical company that discovers, develops and commercializes medicines. Gilead’s primary areas of focus include human immunodeficiency virus (HIV)/AIDS, liver diseases such as hepatitis B and C and serious cardiovascular/metabolic and respiratory conditions. Gilead Sciences was founded in 1987 and is Based in Foster City, California.

DEAL STATS #
Overall 1 of 3
Sector (Life Science) 1 of 3
Type (Divestiture) 1 of 3
State (California) 1 of 3
Country (United States) 1 of 3
Year (1998) 1 of 1
Size (of disclosed) 2 of 2
FOLLOWING DEAL
DATE TARGET DEAL TYPE VALUE
1999-07-29 NeXstar Pharmaceuticals

Boulder, Colorado, United States

NeXstar Pharmaceuticals, Inc., headquartered in Boulder, Colo., is engaged in the discovery, development, manufacture, and commercialization of products to treat serious and life-threatening illnesses. NeXstar maintains additional research, development, and manufacturing facilities in San Dimas, CA, and marketing subsidiaries worldwide.

Buy $550M
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