He disappeared from the list on Monday, having been on it since Jan. 3, when Forbes valued his net worth at $1 billion.
He made a comeback to the list this month following his removal in October.
Masan Group's stock, MSN, has seen a 3% decline since Jan. 3.
Forbes’ list now includes five billionaires from Vietnam.
Pham Nhat Vuong, chairman of conglomerate Vingroup, is at the top with $4.5 billion. Vietjet chairwoman Nguyen Thi Phuong Thao follows with $2.3 billion, and Tran Dinh Long, chairman of steel giant Hoa Phat Group, is at $2.2 billion.
Tran Ba Duong, chairman of Truong Hai Auto Corporation, and his family, along with Techcombank chairman Ho Hung Anh, each hold a net worth of $1.4 billion.