By Kentaro Okasaka
TOKYO (Reuters) -Berkshire Hathaway, through its wholly-owned unit National Indemnity Company, has raised its stake in Japan's Mitsubishi Corp and Mitsui & Co, the companies said on Thursday.
Berkshire raised its stake in Mitsubishi to 10.23% from 9.74% previously, the company said in a market disclosure. A Mitsui official confirmed Berkshire had raised its stake, but declined to give a percentage.
Its prior stake in Mitsui was 9.82%.
Berkshire previously raised its holdings in five Japanese trading houses, including Mitsubishi and Mitsui, in March.
Shares in Mitsubishi rose 1.85% and Mitsui was up 1.23% on Thursday, while the benchmark Nikkei gained 0.73%.
Sumitomo Corp rose 1.1%, Itochu increased 1.15% and Marubeni gained 1.17%.
(Reporting by Kentaro Okasaka; Writing by Kantaro Komiya; Editing by Kim Coghill and Sharon Singleton)