Occidental Petroleum Corporation
Ownership
Ownership Structure
Who owns Occidental Petroleum Corporation (OXY)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.6% of the shares are freely tradable; institutional investors hold 55.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Berkshire Hathaway Inc | 26.50 | 264,941,431 | +0.0 | 06/30/2026 |
| Dodge & Cox | 7.28 | 72,764,944 | -1.8 | 06/30/2026 |
| BlackRock Inc | 5.59 | 55,855,049 | +6.1 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.81 | 48,097,126 | +1.4 | 06/30/2026 |
| State Street Corp | 4.62 | 46,141,269 | +6.6 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 3.95 | 39,510,431 | +9.2 | 06/30/2026 |
| Geode Capital Management, LLC | 1.99 | 19,900,735 | +2.7 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Dodge & Cox Stock I | 4.57 | 45,714,140 | -7.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.38 | 23,754,879 | +0.2 | 09/30/2026 |
| Vanguard 500 Index Investor | 1.92 | 19,166,459 | -0.7 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Hollub Vicki A. | Director | 974,835 | 54,980,694 $ | Sep 25, 2026 | direct |
| Jackson Richard A. | President and CEO | 439,974 | 24,814,534 $ | Sep 30, 2026 | direct |
| Pollack Brad | SVP & General Counsel | 42,660 | 2,406,024 $ | Aug 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | Jackson Richard A. | President and CEO | Other | 4,124 | 55.32 | 228,140 |
| Sep 25, 2026 | Hollub Vicki A. | Director | Other | 90,000 | 0.00 | – |
| Aug 1, 2026 | Pollack Brad | SVP & General Counsel | Other | 26,284 | 0.00 | – |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 5, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.