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 $22.82B based on SEC Form 13F filings for the quarter ended March 31, 2026.

Berkshire Hathaway is the largest disclosed holder, reporting approximately $17.22B in OXY holdings in its latest filing.

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