Occidental Petroleum (OXY) Held by Superinvestors
OCCIDENTAL PETROLEUM CORP (OXY) is currently held by 7 superinvestors tracked by InsiderSet, with a combined reported market value of approximately $16.97B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Berkshire Hathaway is currently the largest disclosed institutional shareholder of OXY tracked by InsiderSet, reporting ownership valued at approximately $12.87B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $16.56B, representing an estimated gain of +28.68% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 100% of the total disclosed OXY value among the investors covered in this analysis. Major shareholders include Berkshire Hathaway, Dodge & Cox Stock Fund, H&H International Investment, and several other long-term asset managers with concentrated positions in OCCIDENTAL PETROLEUM CORP (OXY).
This page ranks the largest institutional OXY shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Berkshire Hathaway | Warren Buffett | 4.30% | 264,941,431 | $12,868,205,304 | $16,558,839,438 | +$3,690,634,134 | +28.68% |
| Dodge & Cox Stock Fund | V. D. Dodge, E. M. Cox | 1.85% | 72,764,944 | $3,534,193,330 | $4,547,809,000 | +$1,013,615,670 | +28.68% |
| H&H International Investment | Duan Yongping | 2.61% | 10,261,500 | $498,401,055 | $641,343,750 | +$142,942,695 | +28.68% |
| Renaissance Technologies LLC | Jim Simons | 0.08% | 1,142,754 | $55,503,640 | $71,422,125 | +$15,918,485 | +28.68% |
| Chou Associates Management | Francis Chou | 7.02% | 313,000 | $15,202,408 | $19,562,500 | +$4,360,092 | +28.68% |
| Sequoia Financial Advisors | 0.01% | 46,368 | $2,252,101 | $2,898,000 | +$645,899 | +28.68% | |
| Cullen Value Fund | Jim Cullen | 0.09% | 13,063 | $798,562 | $816,438 | +$17,876 | +2.24% |
Frequently asked questions about OXY
Who are the largest superinvestors holding OXY?
The largest superinvestors holding OXY in the latest SEC Form 13F filings include Berkshire Hathaway, Dodge & Cox Stock Fund, H&H International Investment, Renaissance Technologies LLC, and Chou Associates Management. InsiderSet ranks these superinvestors by their latest reported OXY position.
What does the OXY superinvestors page include?
This page tracks OXY positions reported by a curated group of notable institutional investors and fund managers through SEC Form 13F. OCCIDENTAL PETROLEUM CORP (OXY) on this page reflects disclosed 13F holdings among those superinvestors, not every institutional shareholder of the stock.
How many superinvestors hold OXY?
InsiderSet currently tracks 7 superinvestors reporting OXY holdings in the latest available 13F data. This is the curated set on this page, not the total number of institutions that own OXY.
How much OXY stock do superinvestors hold?
Superinvestors tracked by InsiderSet disclosed approximately $16.97B in OXY holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value, and it covers the curated superinvestors on this page rather than every institutional filer.
When were OXY superinvestor holdings last updated?
The latest OXY superinvestor holdings on InsiderSet are based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time holdings.
Are superinvestor OXY holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by these superinvestors as of the end of the reporting quarter. A superinvestor may have changed its OXY position after the reporting date.
Are superinvestors buying or selling OXY?
Buying and selling can be analyzed by comparing OXY positions across consecutive 13F reporting periods. InsiderSet's OXY Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View OXY ownership changes.
How have superinvestor OXY holdings changed over time?
InsiderSet tracks OXY holdings among these superinvestors across multiple 13F reporting periods, so holder counts, reported value, and reported shares can be compared over time.