The agency says Canadian investors sold $1.7 billion in foreign securities in August, following three straight months of buying.
It says foreign investors purchased $7.5 billion of Canadian debt securities in August, up from the $2 billion bought in July.
They added bonds and money market instruments to their holdings, led by Canadian corporate securities.
They bought $4.7 billion in bonds, focusing on new bonds issued by corporations, both private and public, while cutting their holdings of government bonds for the second time in three months.
Canadian investors reduced their holdings of foreign debt securities by $1.1 billion in August, following two straight months of investment totalling $6.4 billion