Resona Holdings Inc. plans to sell most of its 15 percent stake in JCB Co., the nation's top credit card company, to Orix Corp., Nomura Securities Co. and Nomura Holdings Inc., leaving it with about 3 percent of JCB's shares, sources said Wednesday.

Resona Holdings is expected to sell the unlisted JCB shares for more than 10 million yen in a deal to be reached later in the week, the sources said.

The company has been looking to sell its JCB shares to promote efficiency of its assets, according to the sources.