Berkshire also sold its US$1 billion stake in T-Mobile US during the period, exiting the telecommunications operator.
Warren Buffett’s Berkshire Hathaway Inc. bought shares of UnitedHealth Group in the second quarter, sending the health insurer’s stock soaring in post-market trading.
The CEO of the Omaha, Nebraska-based conglomerate acquired 5 million shares in UnitedHealth, granting Berkshire a stake worth US$1.6 billion ($2.05 billion), according to a filing Thursday.

