Warren Buffett's Company Boosted Its Stake In Only Three Major Companies in Q4

$Apple(AAPL.US)$ -  by 333,856 shares to 895.136 million Apple shares.
$Paramount Global-B(PARA.US)$ -  by 2.421 million shares to 93.637 million shares.
$Louisiana-Pacific(LPX.US)$ - by 1.249 million shares to 7.044 million shares.

Berkshire scaled back in eight positions. Here are four of them.
$Chevron(CVX.US)$ - from 164.4 million to 163.0 million shares.
$动视暴雪(ATVI.US)$ - from 60.141 million shares to 52.717 million shares.
$Bank of New York Mellon(BK.US)$ - from 62.2 million shares to 25.1 million shares.
$U.S. Bancorp(USB.US)$ - from 71.1 million shares to 6.67 million shares.