Foreigners sold a net 7.81 trillion won ($6.68 billion) worth of local stocks in August, according to the data from the Financial Supervisory Service (FSS).
British investors sold a net 1.3 trillion won of stocks last month, while investors from Switzerland net purchased 400 billion won worth of stocks, according to the FSS.
As of end-August, local stocks held by foreign investors came to 797.9 trillion won, accounting for 28.9 percent of the country's market capitalization.
Foreigners also bought a net 1.68 trillion won worth of local bonds last month.
Their bond holdings were valued at 197.1 trillion won, or 8.9 percent of the total, as of end-August. (Yonhap)