TOKYO (Reuters) -Berkshire Hathaway ( BRK/A ), through its wholly-owned unit National Indemnity Company, has raised its stake in Japan's Mitsubishi Corp ( MSBHF ) to 10.23% from 9.74% previously, Mitsubishi ( MSBHF ) said on Thursday.

Berkshire previously raised its holdings in five Japanese trading houses including Mitsubishi ( MSBHF ) in March.