Warren Buffet, the renowned investor, has just increased his stake in Munich Re's capital, holding, since October 11, 2010, over 10% of the voting rights of the world's number one reinsurer. W. Buffet crossed the threshold of 8% last March through his Berkshire Hathaway companies, OBH and National Indemnity Company after having surpassed 5% in February. The multibillionaire plans to acquire more voting rights in Munich Re in the next 12 months.