On August 12, 2026, RTW Investments, LP acquired 4.77 million shares (represented by 476,535 American Depositary Shares) of ZAI LAB (09688) at an average of USD 25.41 per share, involving about USD 121.09 million.
Prior to the acquisition, RTW Investments, LP's long position in ZAI LAB was 76.81 million shares, representing 6.75%; following the acquisition, the holding changed to 81.58 million shares, with the long position ratio rising to 7.17%.