Japan’s Shionogi Boosts ViiV Stake in $2.13 Billion Deal as Pfizer Exits
On January 20, 2026, Japan’s drugmaker Shionogi & Co. made a big move in the HIV treatment world. The company agreed to pay $2.13 billion to raise its share in ViiV Healthcare, a specialist firm focused on HIV medicines. In the same deal, Pfizer announced it will fully exit its 11.7% stake in ViiV. This…