The quota was worth $68 billion at the end of January. The QFII programme was created years ago by China to allow foreigners to invest in Chinese capital markets.
Norges Bank, Norway's central bank which manages the country's sovereign wealth fund, was given another $1 billion QFII quota in February, taking its total quota to $2.5 billion, the largest among investors outside China.
Hong Kong's central bank also hold a $2.5 billion QFII quota.
South Korea's central bank was given a $900 million quota in February.