UnitedHealth Said to Seek Brazil’s Amil Participacoes

UnitedHealth Group Inc., the biggest U.S. health insurance company, is in talks to buy a stake or all of the Brazilian insurer and hospital operator Amil Participacoes SA, according to people familiar with the matter.

Acquiring all or part of Brazil’s biggest managed-care company, which carries a market value of 9.12 billion reais ($4.49 billion), would give Minnetonka, Minnesota-based UnitedHealth access to a growing private-insurance market in the world’s second-biggest emerging economy. It also may generate more opportunities for UnitedHealth’s Optum unit, which provides technology and consulting to health systems in India, China, the U.K. and elsewhere.