BABA [Alibaba] SC 13G/A: (Original Filing)
[SCHEDULE 13G (Amendment No. 4)* Alibaba Group Holding Limited (Name of Issuer) American Depositary Shares (ADS), each representing one ordinary share, par value $0.000025 per share (Title of Class of Securities) 01609W102** (CUSIP Number) December 31, 2018 (Date of Event Which Requires Filing of thi]