Occidental Petroleum

At a glance

Occidental Petroleum reported 2025 revenue of $21.57B, down 5% from $22.71B in 2024. Over 4 years since 2021 ($25.96B), that is a decline of about 4.5% a year. Revenue peaked in 2022 at $36.23B.

In the last 12 months 2 insiders reported 2 open-market purchases ($445K) and 0 sales. The largest was a purchase of $250K by President and CEO Richard A. Jackson on Jun 24, 2026.

Occidental Petroleum filed 12 current reports (Form 8-K) in the last 12 months, most often for results of operations (8), officer or director change (1), shareholder vote results (1) and material agreement (1). The latest officer or director change was reported on May 4, 2026. It reported a material agreement or a completed acquisition or disposal 2 times.

3 of the 20 investors tracked here held Occidental Petroleum at the last quarter end, worth $12.98B combined. It is the largest weight for Berkshire Hathaway (4.3% of its portfolio), followed by Renaissance Technologies (0.1%). New this quarter: Renaissance Technologies. Added: National Pension Service (Korea).

Annual results

Fiscal year ends Dec 31 · incorporated in DE

Tracked investors holding (13F)

Weight is the share of each investor's portfolio, as of the quarter end.