CAIRO, March 31 Private equity firm Actis has reduced its holding in Commercial International Bank (CIB) , Egypt's biggest listed bank, to 6.5 percent, CIB said on Monday.
CIB said Actis sold a 2.6 percent stake in the bank "in the open market to a group of international investors".
The shares were sold to Egyptian and other Arab institutions for 816 million Egyptian pounds ($117 million), sources at Cairo's stock exchange said.
It was not clear why Actis, which invests in Asia, Africa and Latin America, reduced its holding. It confirmed the sale in an email to Reuters, without giving further details.
Actis bought 9.1 percent of CIB in July 2009, making the private equity firm its largest single shareholder, the bank said.
The second-biggest shareholder, as of the end of January, was OppenheimerFunds with 5.37 percent, according to Thomson Reuters data.
CIB shares, which make up almost a quarter of Egypt's main index, closed down 2.37 percent on Monday to trade at 36.25 pounds. The index itself closed down 3.55 percent after hitting its highest level since 2008 last week.
Trading volume in CIB shares was at its highest level in three years.
($1 = 6.9676 Egyptian Pounds) (Reporting By Ehab Farouk; Writing by Shadia Nasralla; Editing by Pravin Char)