Companies like Berkshire are often reluctant to take more than a 10% stake in a given stock as doing so comes with the requirement of increased disclosures and reporting to the SEC… Berkshire just increased its stake in Apple by 23%, but it could add to it as it only owns 3.3% of the iPhone maker.
Just wish some clowns sell short AAPLs to $160s, then WB would rush in to buy buy buy 