Acquisition history

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The following is an illustration of the company's major mergers and acquisitions and historical predecessors (this is not a comprehensive list):

AstraZeneca
AstraZeneca
Astra AB
(Merged 1999)

Astra
(Founded 1913)

Tika
(Acq 1939)

Zeneca
(Merged 1999)

Zeneca
(Spun off from Imperial Chemical Industries 1993)

Salick Health Care
(Acq 1996)

Ishihara Sangyo Kaisha
(US fungicide operations, Acq 1997)

KuDOS Pharmaceuticals
(Acq 2005)

Cambridge Antibody Technology
(Acq 2006)

Aptein Inc
(Acq 1998)

Arrow Therapeutics
(Acq 2007)

MedImmune
(Acq 2007)

Definiens[1]
(Acq 2014)

Novexel Corp
(Acq 2010)

Guangdong BeiKang Pharmaceutical Company
(Acq 2011)

Ardea Biosciences
(Acq 2012)

Spirogen
(Acq 2013)

Pearl Therapeutics[2]
(Acq 2013)

Omthera Pharmaceuticals[3]
(Acq 2013)

Bristol-Myers Squibb[4]
(share of global diabetes alliance, Acq 2013)

Entasis Therapeutics[5]
(Spun off 2015)