A direct manual trade of 600,000 shares of BABA-SW (09988) was registered at 3:58p.m.
The deal amounted to HK$44.16m, or at HK$73.605 per share, 0.7% lower than previous close.
BABA-SW is now trading up 0.54% to HK$74.55, with 46.29 million shares of HK$3.43b changing hands.