Pfizer to exit ViiV Healthcare in $1.9 billion deal as Shionogi doubles stake

Shionogi doubles stake in ViiV Healthcare to ⁠21.7%

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Pfizer ‌exits ViiV Healthcare for $1.9 billion

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Transaction ⁠completion expected in Q1 2026

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GSK retains majority stake in ViiV Healthcare at 78.3%

Jan 20 (Reuters) -

Britain's ‍GSK and Japan's Shionogi said on Tuesday that Pfizer will exit their HIV ⁠specialist ViiV Healthcare in a deal that pays the U.S. drugmaker $1.9 billion and more than doubles Shionogi's stake in the venture.

Shionogi will pay $2.13 billion for newly issued ​shares that will increase its stake in ViiV Healthcare to 21.7% from 10%, while GSK will maintain its 78.3% majority holding in the global HIV company.

Pfizer in December had

warned

that the next few years would be bumpy, beginning ‍with 2026, due to lower sales of its COVID vaccine and treatment, price ‌cuts promised to the U.S. government, and the expiration of patents on key drugs. It does not expect ‌to return to revenue growth until 2029.

ViiV Healthcare Chair David Redfern said the deal simplifies the shareholder structure and allows the company to continue its collaboration with ‌Shionogi to advance long-acting injectable HIV treatment and prevention medicines.

Pfizer will receive $1.88 billion for its ​11.7% holding, and GSK will get a special dividend of $250 million as ViiV cancels the U.S. drugmaker's shares.

GSK established ViiV Healthcare with Pfizer in 2009, with Shionogi joining ⁠as a shareholder in 2012.

Shionogi will continue to ‍have one seat on the ViiV Healthcare board, and will be represented by John Keller, who has been a ​Director of ViiV Healthcare since 2012, GSK and Shionogi ⁠said in a joint statement.

The transaction is subject to regulatory clearances and is expected to complete during the first quarter of 2026, the companies said.

(Reporting by Yadarisa Shabong in Bengaluru; Editing by Rashmi Aich)

Glaxosmithkline

Pfizer