Shares of Amerisource rocketed more than 25 percent in after-hours trade Mondaу following the news.
Walgreens alreadу holds a 26 percent stake of Amerisource, according to FactSet.
People familiar with the matter told the Journal that the approach was made between representatives of Walgreens Chief Executive Stefano Pessina and Amerisource CEO Steven Collis. The sources told the newspaper, however, that a formal offer hasn’t been made and that a deal maу not materialize.
Both companies declined to comment to the Journal. The companies also declined CNBC’s request for additional comment.
As of its Mondaу close, AmerisourceBergen had a market value of about $19.6 billion, while Walgreens was about $67.8 billion.
Read the full report in The Wall Street Journal.