Akeso (HKG:9926) reported an attributable loss of 424.2 million yuan for the first half, narrowing from a loss of 570.1 million a year earlier.
Loss per share stood at 0.46 yuan, compared with 0.64 yuan in the year-ago period, according to a Thursday filing with the Hong Kong Exchange.
The biotech company's revenue increased 28% year over year to 1.81 billion yuan for the six months ended June 30 from 1.41 billion yuan.