Chinese investment fund IDG Capital Partners injected 30 million euros into the multiple French champions in December, with the remaining 70 million euros ($75 million) arriving on Monday.
IDG now hold 20 percent of the club's holding group run by Lyon president Jean-Michel Aulas.
Lyon, who won the Ligue 1 title every season from 2002 to 2008, are fourth in the table, 16 points behind leaders Monaco.