Source: www.reuters.com

TOKYO, May 19 (Reuters) - BlackRock Inc (BLK.N) has hiked its stake in Japan's SoftBank Group Corp (9984.T) to 5.2%, a filing showed on Wednesday.

Japanese rules require disclosure of stakes in excess of 5%. BlackRock, the world's larget money manager, holds the stake through entities including its Japan business.

A representative for BlackRock in Japan declined to comment on the rationale for the stake hike.

Shares in SoftBank, which reported record profit last week, have tumbled 17% since May 10. The conglomerate has completed a $23 billion share buyback programme, removing support for the shares. read more