OCCIDENTAL PETROLEUM CORP (OXY) Institutional Ownership and Insiders Activity

OCCIDENTAL PETROLEUM CORP (OXY) is widely held by institutional investors, with 7 tracked firms reporting positions valued at approximately $16.97B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Berkshire Hathaway is the largest disclosed holder, reporting approximately $12.87B in OXY holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Berkshire Hathaway representing the majority of disclosed value.

Recent insider activity includes 6 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.