GlaxoSmithKline plc (LSE: GSK) today announced that ViiV Healthcare, the global specialist HIV company majority owned by GSK, with Pfizer Inc. and Shionogi Limited as shareholders, has completed two previously announced transactions with Bristol-Myers Squibb to acquire its late-stage HIV R&D assets and its portfolio of preclinical and discovery stage HIV research assets. The completion of both transactions follows antitrust approval by the relevant regulatory authorities in the US, with the integration process beginning immediately.