UnitedHealth's $4.9 billion acquisition of Brazilian health care company Amil is the second-largest in its history.
Date
CompanyannouncedValue
Pacificare Health Systems Inc.7/6/2005$7.1 billion
Amil Participacoes SA10/8/2012$4.9 billion
Oxford Health Plans LLC04/26/2004$4.8 billion
Mid Atlantic Medical Service10/27/2003$3.1 billion
Sierra Health Services Inc.3/12/2007$2.5 billion
Source: Bloomberg News