SHANGHAI, May 13 (Reuters) - China's Ant Group posted a 78.7% fall in net profit to 1.15 billion yuan ($169.36 million) in the three months to Dec. 31, according to Reuters calculations based on Alibaba Group Holdings' 9988.HK earnings released on Wednesday.
The e-commerce giant reports profit from Ant one quarter in arrears.
Both groups were co-founded by Chinese billionaire Jack Ma and Alibaba holds a 33% stake in Ant.
($1 = 6.7904 Chinese yuan renminbi)
(Reporting by Casey Hall in Shanghai, Editing by Louise Heavens)
((casey.hall@thomsonreuters.com))