The Japanese drugmaker said Tuesday that its voting stake in ViiV, which sells HIV/AIDS medicines, would increase to 21.7% from 10.0% currently.

Shionogi said it would acquire new shares from ViiV, which is a joint venture with GSK and Pfizer.

The acquisition of additional shares is expected to be completed by the end of March, the Japanese company said.

https://www.marketscreener.com/news/shionogi-to-acquire-additional-shares-in-viiv-healthcare-for-2-1-billion-ce7e58dcd880f421