Shionogi and Co Invests Over Two Billion Dollars to Increase Ownership in ViiV Healthcare as Pfizer Exits Joint Venture
Shionogi and Co will pay 2.13 billion dollars to increase its stake in ViiV Healthcare to 21.7 percent. Pfizer is exiting the joint venture for 1.88 billion dollars.
Insights:
On Tuesday, January 20, 2026, Shionogi & Co Ltd announced a $2.13 billion investment to purchase new shares in ViiV Healthcare and acquire the 11.7% shareholding currently held by Pfizer Inc . This transaction will result in Shionogi & Co Ltdincreasing its ownership stake in the HIV-focused drugmaker to 21.7% while Pfizer Incexits the joint venture. As part of the agreement, Pfizer Incwill receive $1.88 billion for its holding, and its shares will subsequently be canceled by ViiV Healthcare.
