06:51 AM EST, 12/20/2024 (MT Newswires) -- Berkshire Hathaway (BRK.A) has increased its stake in Occidental Petroleum ( OXY ) , purchasing about $409.2 million in shares over the last three days, a regulatory filing on Friday showed.

The filing revealed that Berkshire acquired 8.9 million shares of Occidental Petroleum ( OXY ) between Dec. 17 and Dec. 19, 2024.

Occidental Petroleum's ( OXY ) filing said that the shares were purchased at a weighted average price ranging from $45.55 to $46.92 per share.

It added that the transactions were conducted indirectly through Berkshire's subsidiary, National Indemnity Company.

Shares of Occidental Petroleum ( OXY ) rose about 2.7% in premarket trading activity.