With the above being said, Berkshire's billionaire boss has been a persistent seller of Apple stock since Sept. 30, 2023, with this position being cut in six of the last eight quarters. Including the 41,787,236 shares disposed of during the third quarter, a total of 677,347,618 shares were sold over the two-year period, representing a 74% reduction.However, the second must-know point is that he's an ardent value investor. If the Oracle of Omaha doesn't believe he's getting a good deal, no number of competit ...