Key Takeaways Berkshire ended its 17-year investment in BYD after steadily trimming it since 2022.Berkshire has also reduced holdings in Apple and Bank of America to cut concentration risk.Berkshire increased its stakes in Mitsubishi and Mitsui, citing governance reforms and valuations.Berkshire Hathaway Inc. (BRK.B) has been rebalancing its investment portfolio to have income-generating and geographically diverse holdings. This conglomerate has sold its stake in Chinese electric vehicle maker BYD. This mar ...