Occidental Petroleum Corporation (OXY) Ownership
OXY ownership summary
as of October 18, 2026- Institutions
- 58.2% of shares outstanding
- Insiders
- 26.81% of shares outstanding
- Shares outstanding
- 999.6M
- Float
- 995.6M shares available to trade
- Short interest
- 3.04% 22.2M shares short
- Days to cover
- 2.49 short interest up 5.9% vs prior month
- Institutions 58.18%
- Insiders 26.81%
- Other investors 15.01%
OXY top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Berkshire Hathaway Inc | 26.50% | 264.9M | $16.53B | — | June 30, 2026 |
| 2 | Dodge & Cox | 7.28% | 72.8M | $4.54B | −1.3M (−1.8%) | June 30, 2026 |
| 3 | BlackRock Inc | 5.59% | 55.9M | $3.48B | +3.2M (+6.1%) | June 30, 2026 |
| 4 | Vanguard Capital Management, LLC | 4.81% | 48.1M | $3.00B | +684,150 (+1.4%) | June 30, 2026 |
| 5 | State Street Corp | 4.62% | 46.1M | $2.88B | +2.9M (+6.6%) | June 30, 2026 |
| 6 | Vanguard Portfolio Management, LLC | 3.95% | 39.5M | $2.46B | +3.3M (+9.2%) | June 30, 2026 |
| 7 | Geode Capital Management, LLC | 1.99% | 19.9M | $1.24B | +531,841 (+2.7%) | June 30, 2026 |
| 8 | Amvescap Plc. | 1.27% | 12.7M | $795.0M | +5.2M (+68.5%) | June 30, 2026 |
| 9 | Morgan Stanley - Brokerage Accounts | 1.22% | 12.2M | $763.5M | +1.3M (+11.5%) | June 30, 2026 |
| 10 | AQR Capital Management LLC | 1.15% | 11.5M | $715.7M | +2.8M (+31.6%) | June 30, 2026 |
| 11 | Bank of New York Mellon Corp | 1.06% | 10.6M | $664.0M | +4.9M (+84.8%) | June 30, 2026 |
| 12 | H&H International Investment, LLC | 1.03% | 10.3M | $640.1M | — | June 30, 2026 |
| 13 | Dimensional Fund Advisors, Inc. | 1.00% | 10.0M | $625.5M | +12,602 (+0.1%) | June 30, 2026 |
| 14 | Bank of America Corp | 0.67% | 6.7M | $419.9M | +23,595 (+0.4%) | June 30, 2026 |
| 15 | Northern Trust Corp | 0.65% | 6.5M | $406.9M | +25,926 (+0.4%) | June 30, 2026 |
| 16 | Charles Schwab Investment Management Inc | 0.58% | 5.8M | $359.3M | +124,976 (+2.2%) | June 30, 2026 |
| 17 | The Goldman Sachs Group Inc | 0.56% | 5.6M | $350.7M | +977,294 (+21.0%) | June 30, 2026 |
| 18 | Qube Research & Technologies | 0.56% | 5.6M | $348.4M | +5.6M (0.0%) | June 30, 2026 |
| 19 | Point72 Asset Management, L.P. | 0.52% | 5.2M | $324.0M | +2.5M (+93.8%) | June 30, 2026 |
| 20 | UBS Asset Mgmt Americas Inc | 0.46% | 4.6M | $289.9M | −225,108 (−4.6%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 34.0M shares and 2 cut 1.5M.
OXY top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Dodge & Cox Stock I | 4.92% | 49.2M | $3.07B | −1.5M (−2.9%) | June 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.37% | 23.7M | $1.48B | −47,953 (−0.2%) | August 31, 2026 |
| 3 | Vanguard 500 Index Investor | 1.92% | 19.2M | $1.20B | −126,168 (−0.7%) | September 30, 2026 |
| 4 | Vanguard MStar Mid Cap Index Instl | 1.61% | 16.1M | $1.00B | −81,838 (−0.5%) | September 30, 2026 |
| 5 | State Street®EngySelSectSPDR®ETF | 1.53% | 15.3M | $951.5M | −111,600 (−0.7%) | September 30, 2026 |
| 6 | iShares Core S&P 500 ETF | 0.97% | 9.7M | $606.6M | −15,651 (−0.2%) | September 30, 2026 |
| 7 | Fidelity 500 Index | 0.94% | 9.4M | $587.9M | +36,202 (+0.4%) | August 31, 2026 |
| 8 | State Street® SPDR® S&P 500® ETF | 0.89% | 8.9M | $557.4M | — | September 30, 2026 |
| 9 | Vanguard MStar Value Index Investor | 0.71% | 7.1M | $445.5M | +15,061 (+0.2%) | September 30, 2026 |
| 10 | Vanguard MStar Mid Cap Value ETF | 0.47% | 4.7M | $292.0M | −148,573 (−3.1%) | September 30, 2026 |
| 11 | Pacer US Cash Cows 100 ETF | 0.41% | 4.1M | $253.4M | −729 (−0.0%) | September 30, 2026 |
| 12 | Vanguard Institutional Index I | 0.39% | 3.9M | $240.7M | −23,588 (−0.6%) | September 30, 2026 |
| 13 | Vanguard Energy ETF | 0.36% | 3.6M | $226.4M | +387,833 (+12.0%) | September 30, 2026 |
| 14 | Dodge & Cox Balanced I | 0.36% | 3.6M | $222.0M | −339,400 (−8.7%) | June 30, 2026 |
| 15 | Invesco S&P 500® Equal Weight ETF | 0.32% | 3.2M | $199.1M | −6,650 (−0.2%) | September 30, 2026 |
| 16 | iShares Russell Mid-Cap ETF | 0.30% | 3.0M | $186.6M | +5,510 (+0.2%) | September 30, 2026 |
| 17 | Vanguard High Dividend Yield ETF | 0.30% | 2.9M | $184.0M | +8,729 (+0.3%) | September 30, 2026 |
| 18 | Fidelity Mid Cap Index | 0.28% | 2.8M | $172.2M | +12,628 (+0.5%) | August 31, 2026 |
| 19 | BNY Mellon Dynamic Value Fund A | 0.27% | 2.7M | $169.2M | −879,715 (−24.5%) | September 30, 2026 |
| 20 | Vanguard Equity-Income Inv | 0.27% | 2.7M | $168.3M | +2.7M (0.0%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
OXY insider transactions
latest 2| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-10 | Gilbert Ray Cisneros, Jr. | Buy | $46.30 | — | — |
| 2025-12-16 | William R Klesse | Buy | $38.98 | 5,000 | $194,900 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
OXY shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns OXY
Institutional investors own 58.2% of Occidental's shares and insiders 26.81%. The largest holder is Berkshire Hathaway Inc with 26.50% of the shares (264.9M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 2 reduced their stake in the latest filings. Short interest is 3.04% of the float, or 2.49 days of average trading volume. The share count rose 29.0% since 2014.
Related: OXY analyst forecast, OXY key metrics, OXY dividend history. See the OXY stock overview for the latest quote and news.
OXY ownership FAQ
Who owns the most Occidental stock?
The largest shareholders of Occidental are Berkshire Hathaway Inc (26.50%), Dodge & Cox (7.28%), BlackRock Inc (5.59%), Vanguard Capital Management, LLC (4.81%), State Street Corp (4.62%).
What percentage of Occidental is owned by institutions?
Institutions hold 58.2% of Occidental's shares outstanding; insiders hold 26.81%.
Which funds own Occidental?
The largest fund holders of Occidental are Dodge & Cox Stock I (4.92%), Vanguard MStar Total Stk Mkt Idx Invest (2.37%), Vanguard 500 Index Investor (1.92%), Vanguard MStar Mid Cap Index Instl (1.61%), State Street®EngySelSectSPDR®ETF (1.53%).
What is Occidental's short interest?
22.2M shares of Occidental were sold short, 3.04% of the float; at the average daily volume it would take 2.49 days to cover.
Are insiders buying or selling Occidental?
Of the latest 2 reported insider transactions in Occidental (since December 16, 2025), 2 were purchases and 0 were sales.
How many shares of Occidental are outstanding?
Occidental has 999.6M shares outstanding, of which 995.6M are in the public float.