"A major share of the Fund (92 percent) has been invested in government securities, while the Fund has invested seven percent of its resources in equities and one percent in debt instruments of corporates."
The EPF's investments in stocks had previously been limited to five percent of the fund.
But it has been investing heavily in the Colombo bourse, buying mainly into conglomerates and banks, since the end of the island's 30-year ethnic war in 2009 triggered a stock market boom.
EPF buying helped push up share prices on the Colombo bourse, which rose to record highs and became one of the world's top performing markets in the last two years.
However, the market has been falling in recent weeks amid fears of a bubble.
Buying by Sri Lanka's largest fund also enabled foreign investors, who entered the market duri