Occidental Petroleum
Oil and gas producer with midstream, marketing and carbon-management operations.
$59.23
After-hours close+0.13 (+0.23%)
At close$59.10(−0.13%)
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Breakdown13F · Form 4
Institutions 88.50%880.22M sharesInsiders 0.37%3.70M sharesOther 11.13%110.71M shares
Shares outstanding 994.63M · Float 990.59M · 99.6% free float
Institutions13F, as of Jun 30, 2026
1,314 holders · 880.22M shares · 135 new positions · 625 increased · 383 reduced · 212 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Berkshire Hathaway Inc | 264.94M | 26.64% | 0 | Aug 14, 2026 |
| Dodge & Cox | 72.76M | 7.32% | −1.32M | Aug 13, 2026 |
| BlackRock, Inc. | 55.86M | 5.62% | +3.22M | Aug 7, 2026 |
| Vanguard Capital Management LLC | 48.10M | 4.84% | +684.2K | Aug 13, 2026 |
| State Street Corp | 46.14M | 4.64% | +2.87M | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 39.51M | 3.97% | +3.33M | Aug 13, 2026 |
| Geode Capital Management, LLC | 19.90M | 2.00% | +531.8K | Aug 12, 2026 |
| Invesco Ltd. | 12.75M | 1.28% | +5.18M | Aug 14, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Warren E. Buffett | 32.70% | 348.85M | 13G | Aug 14, 2025 ↗ |
| Dodge & Cox | 7.50% | 74.09M | 13G | May 14, 2026 ↗ |
| Vanguard Capital Management | 5.51% | 54.67M | 13G | Apr 30, 2026 ↗ |
| BlackRock, Inc. | 5.20% | 52.14M | 13G | Jul 29, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Vicki A. Hollub | director | 1.04M | 0.10% | Jun 3, 2026 |
| Richard A. Jackson | director, officer: President and CEO | 444.1K | 0.04% | Jun 24, 2026 |
| Kenneth Dillon | officer: Senior Vice President | 372.2K | 0.04% | Mar 3, 2026 |
| Jeff F. Simmons | officer: Senior Vice President | 336.3K | 0.03% | Mar 3, 2026 |
| Robert L. Peterson | officer: Senior Vice President | 313.2K | 0.03% | Mar 3, 2026 |
| Sunil Mathew | officer: SVP & CFO | 228.7K | 0.02% | Mar 3, 2026 |
| William R. Klesse | director | 222.1K | 0.02% | May 6, 2026 |
| Sylvia J. Kerrigan | officer: SVP & Chief Legal Officer | 179.5K | 0.02% | Mar 3, 2026 |
| Christopher O. Champion | officer: VP, CAO and Controller | 144.0K | 0.01% | Mar 3, 2026 |
| Avedick Baruyr Poladian | director | 84.6K | 0.01% | May 6, 2026 |
2 ten-percent owners hold 338.57M shares by Form 4, outside the officers-and-directors figure above · 51 people have not refiled in the last 18 months (202.02M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Jun 23, 2026 | Richard A. Jacksondirector, officer: President and CEO | Purchase | 4,770 | $52.38 | 444,098 |
| Dec 16, 2025 | William R. Klessedirector | Purchase | 5,000 | $38.98 | 218,913 |
CongressHouse and Senate disclosures
Not reported.