Zhihu (HKG:2390) widened its attributable loss in the third quarter of 2025 to 46.7 million yuan from 10.5 million yuan in the year-ago period, a Tuesday filing with the Hong Kong bourse said.

Loss per share rose to 0.19 yuan in the three months from 0.04 yuan in the corresponding period of the last year.

The online question-and-answer platform's revenue fell to 658.9 million yuan in the period from 845 million yuan a year prior.

For the nine months ended Sept. 30, the firm turned to an attributable profit of 15.7 million yuan from a loss of 258.1 million yuan previously, while revenue slumped to 2.11 billion yuan from 2.74 billion yuan.