Occidental Petroleum Corp
OXY- Exchange
- NYSE
- Industry
- Crude Petroleum & Natural Gas
- SEC CIK
- 0000797468
No open-market purchases or sales by Occidental Petroleum Corp insiders were filed in the last 90 days; 1,242 institutions reported holding it in 13F filings for Q2 2026, worth $40.6B in total; 3 superinvestors hold it, including Berkshire Hathaway and H&H International Investment.
Other share classesOXY.WT
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, −42 vs. previous quarter
- 1,242
- 13F valueReported value at the end of Q2 2026
- $40.6B
- Superinvestors holdingAt the end of Q2 2026
- 3
Price chart
Superinvestors holding OXY, Q2 2026
3 superinvestors report holding Occidental Petroleum Corp on Form 13F. Percentages are the stock's share of each portfolio.
Berkshire Hathaway
Warren Buffett
4.3%
Occidental Petroleum Corp's share of the portfolio
- Shares
- 264,941,431
- Value
- $12.9B
H&H International Investment
Duan Yongping
2.6%
Occidental Petroleum Corp's share of the portfolio
- Shares
- 10,261,500
- Value
- $498.4M
| Superinvestor | Weight | Value |
|---|---|---|
| Chou Associates | 7.0% | $15.2M |
Latest insider trades
Open-market purchases and sales by Occidental Petroleum Corp insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jun 24, 2026 (view filing) | Jun 23 | 1 day | Jackson Richard A.President and CEO | PPurchase | +4.77K | $52.38 | +$249.9K | +1.1%444.1K after | |
| Dec 17, 2025 (view filing) | Dec 16 | 1 day | Klesse William RDirector | PPurchase | +5.00K | $38.98 | +$194.9K | +2.3%218.9K after | |
| Feb 11, 2025 (view filing)8:35 PM ET | Feb 7 | 4 days | Buffett Warren E and 1 other10% Owner | PPurchase | +763.0K | $46.82 | +$35.7M | +0.3%264.9M after | |
| Dec 19, 2024 (view filing)9:35 PM ET | Dec 17-19 | 2 days | Buffett Warren E and 1 other10% Owner | PPurchase | +8.90M | $45.99 | +$409.2M | +3.5%264.2M after | 5 lots |
| Jun 17, 2024 (view filing)8:22 PM ET | Jun 13-17 | 4 days | Buffett Warren E and 1 other10% Owner | PPurchase | +2.95M | $59.70 | +$176.0M | +1.2%255.3M after | 3 lots |
| Jun 12, 2024 (view filing)8:41 PM ET | Jun 10-12 | 2 days | Buffett Warren E and 1 other10% Owner | PPurchase | +1.75M | $60.30 | +$105.6M | +0.7%252.3M after | 3 lots |
| Jun 7, 2024 (view filing)9:09 PM ET | Jun 5-7 | 2 days | Buffett Warren E and 1 other10% Owner | PPurchase | +2.57M | $59.75 | +$153.3M | +1.0%250.6M after | 3 lots |
| Feb 5, 2024 (view filing)9:30 PM ET | Feb 1-5 | 4 days | Buffett Warren E and 1 other10% Owner | PPurchase | +4.30M | $57.15 | +$245.9M | +1.8%248.0M after | 5 lots |
| Dec 21, 2023 (view filing)7:20 PM ET | Dec 19-21 | 2 days | Buffett Warren E and 1 other10% Owner | PPurchase | +5.18M | $60.22 | +$312.1M | +2.2%243.7M after | 4 lots |
| Dec 13, 2023 (view filing)8:04 PM ET | Dec 11-13 | 2 days | Buffett Warren E and 1 other10% Owner | PPurchase | +10.5M | $56.16 | +$588.7M | +4.6%238.5M after | 5 lots |
Top 10 13F holders, Q2 2026
The largest institutional positions in Occidental Petroleum Corp at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Berkshire Hathaway IncSuperinvestorBerkshire Hathaway | 264,941,431 | $12.9B | 4.30% | 00.0% | Unchanged |
| Dodge & Cox | 72,764,944 | $3.53B | 1.85% | −1,320,628−1.8% | Reduced |
| BlackRock, Inc. | 55,855,049 | $2.71B | 0.04% | +3,217,238+6.1% | Added |
| Vanguard Capital Management LLC | 48,097,126 | $2.34B | 0.05% | +684,150+1.4% | Added |
| State Street Corp | 46,141,269 | $2.25B | 0.07% | +2,870,472+6.6% | Added |
| Vanguard Portfolio Management LLC | 39,510,431 | $1.92B | 0.09% | +3,325,232+9.2% | Added |
| Geode Capital Management, LLC | 19,900,735 | $962.8M | 0.05% | +531,841+2.7% | Added |
| Invesco Ltd. | 12,745,004 | $619.0M | 0.05% | +5,183,129+68.5% | Added |
| Morgan Stanley | 12,240,048 | $594.5M | 0.03% | +1,263,361+11.5% | Added |
| AQR Capital Management LLC | 11,473,188 | $557.3M | 0.19% | +2,754,254+31.6% | Added |