NYSE · Energy · Holders
Occidental Petroleum (OXY) Institutional Ownership & Insider Trading History
Top OXY institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
- Last confirmed price
- $58.08+0.41%
- Oct 2, 2026, 4:00 PM EDT · Prices may be delayed
Data dates
Prices as of Oct 2, 4:00 PM EDT · Fundamentals checked Oct 4, 7:39 PM EDT
Ownership read
OXY insider transaction activity: Net buying.
Berkshire Hathaway, Inc is the largest institutional holder. 0 sales and 4 purchases appear in the recent Form 4 filings. Use the filters below to separate open-market activity from option exercises, gifts, awards, and tax withholding.
Insider flow
OXY
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
264.94M
Berkshire Hathaway, Inc
Insider transaction activity
Net buying
$0.0000 sold / $445.32M bought
Observations shown
70
10 holder / 60 insider
- Holder rows
- 10
- Yahoo Finance · Filing dates shown per row
- Increased / initiated
- 8
- 1 decreased · provider-reported changes
- Insider rows
- 60
- Yahoo Finance · Filing dates shown per row
Ownership concentration and transaction activity
- Top 10 reported holders
- 58.38% outstanding
- Changes with share-count history
- Prior-position data unavailable
- New / exited positions
- 0 / 0 explicitly reported
- Largest increase with share-count history
- Prior share counts unavailable
These changes cover the holders shown. A holder missing from this list may still own shares. Compare positions from the same reporting quarters.
Net shares sold: -9,669,677
Sale-code S shares minus purchase-code P shares in this sample. Includes disclosed plans and unknown plan status; excludes grants, gifts, exercises and withholding. This is activity, not sentiment.
- Gift: 2
- Grant: 50
- Purchase / sale; plan unknown: 4
- Conversion / exercise: 4
Top 10 institutional holders
Occidental Petroleum (OXY) institutional ownership
Ranked by reported share count, with position changes and separate position and filing dates where ownership data supplies them.
| # | Institution | % held | Shares | Change % | Position / filing date |
|---|---|---|---|---|---|
| 1 | Berkshire Hathaway, Inc | 26.5% | 264.94M | 0.00% | Position as of Jun 30, 2026Filing date unknown |
| 2 | Dodge & Cox Inc. | 7.28% | 72.76M | -1.78% | Position as of Jun 30, 2026Filing date unknown |
| 3 | 5.59% | 55.86M | +6.11% | Position as of Jun 30, 2026Filing date unknown | |
| 4 | 4.81% | 48.10M | +1.44% | Position as of Jun 30, 2026Filing date unknown | |
| 5 | 4.62% | 46.14M | +6.63% | Position as of Jun 30, 2026Filing date unknown | |
| 6 | 3.95% | 39.51M | +9.19% | Position as of Jun 30, 2026Filing date unknown | |
| 7 | 1.99% | 19.90M | +2.75% | Position as of Jun 30, 2026Filing date unknown | |
| 8 | 1.27% | 12.75M | +68.54% | Position as of Jun 30, 2026Filing date unknown | |
| 9 | 1.22% | 12.24M | +11.51% | Position as of Jun 30, 2026Filing date unknown | |
| 10 | AQR Capital Management, LLC | 1.15% | 11.47M | +31.59% | Position as of Jun 30, 2026Filing date unknown |
Recent insider transactions
Occidental Petroleum (OXY) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
| # | Insider | % company | Action | Shares | Transaction date |
|---|---|---|---|---|---|
| 1 | HOLLUB VICKI A. Director | <0.01% | Stock GiftTransaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 90.00K | Sep 25, 2026 |
| 2 | POLLACK BRAD General Counsel | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 26.28K | Jul 31, 2026 |
| 3 | JACKSON RICHARD A. Chief Executive Officer | <0.01% | PurchaseOpen-market or direct purchase reported on Form 4.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.77K | Jun 23, 2026 |
| 4 | JACKSON RICHARD A. Chief Executive Officer | 0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 101.83K | Jun 1, 2026 |
| 5 | HOLLUB VICKI A. Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 3.18K | Jun 1, 2026 |
| 6 | KLESSE WILLIAM ROBERT Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.15K | May 4, 2026 |
| 7 | GOULD ANDREW FREDERIC JAMES Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.98K | May 4, 2026 |
| 8 | ROBINSON KENNETH B. Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.15K | May 4, 2026 |
| 9 | ONEILL CLAIRE Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 3.73K | May 4, 2026 |
| 10 | BAILEY VICKY A Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 3.73K | May 4, 2026 |
| 11 | MOORE JACK B Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 6.72K | May 4, 2026 |
| 12 | POLADIAN AVEDICK BARUYR Director | <0.01% | Stock Award(Grant)Transaction code reported in the data source. Check the original Form 4 filing for details.Transaction context
Position sold = shares sold ÷ (shares sold + holdings after). Separate accounts or security classes may not represent total beneficial ownership. | 4.15K | May 4, 2026 |
Frequently asked
Questions about this quote
Who are the largest OXY shareholders?
Berkshire Hathaway, Inc is the largest reported institutional holder of OXY, with 264.94 million shares, or about 26.50% of shares outstanding.
What does the institutional filing activity show for OXY?
Occidental Petroleum has 10 institutional rows on file: 8 increased or initiated positions and 1 reduced them.
What insider transactions are available for OXY?
TECHi shows 60 dated OXY insider transactions through Sep 25, 2026, with transaction types kept separate so administrative actions are not presented as open-market trades.
Are OXY insiders buying or selling?
The displayed OXY activity reads Net buying: 0 sales and 4 purchases. Other transaction types remain separate.
Who is the most active reported OXY insider?
BERKSHIRE HATHAWAY INC has the largest absolute share movement in the displayed OXY filing rows, totaling 9.66 million shares. The action labels provide the transaction context.
All data sources
Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.
What this page answers
Check who owns the float and whether insiders are active.
Explore Institutional concentration, insider transaction pattern, and float context.
Keep in mind Filings are delayed or transactions are administrative rather than economic.
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Next open: 2026-10-05 · 9:30 AM America/New_York
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