Occidental Petroleum Corporation (OXY)
NYSE: OXY · Crude Petroleum & Natural Gas · Houston, TX · filing with the SEC since 1995
Grade5.2
◀ Past 6.1● Present 4.9▶ Future 4.2
Who owns Occidental Petroleum Corporation
As filed with the SECHolders of 5% or more
4
Berkshire Hathaway Inc. holds 32.7% of COMMON STOCK, as its SCHEDULE 13G/A filed Aug 14, 2025 says.
Directors and officers
18
report now, of 42 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 4 named at left.
Holders of 5% or moreshare of the class, as filed
Berkshire Hathaway Inc.
SCHEDULE 13G/A · filed Aug 14, 2025 · COMMON STOCK
Dodge & Cox
SCHEDULE 13G/A · filed May 14, 2026 · Common Stock · 8.8% in Feb 13, 2025
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
Blackrock, Inc.
SCHEDULE 13G · filed Jul 29, 2026 · Common Stock
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%, from 8.53% in Apr 30, 2025
What OXY reports owning in othersstakes of 5% or more, and other ties
Western Midstream Partners, LP WES
SCHEDULE 13D/A · filed Feb 5, 2026 · Common Units Representing Limited Partner Interests
Other ties the annual report names
BlackRock, Inc.
An entity · legal entity · owns, named in the 10-K filed Feb 18, 2026
Dolphin Energy Limited
An investee · investee · invested in, named in the 10-K filed Feb 18, 2026
NET Power
An investee · investee · invested in, named in the 10-K filed Feb 18, 2026
Western Midstream Partners LP
An investee · investee · invested in, named in the 10-K filed Feb 18, 2026
421 subsidiaries in 17 countries, from the list filed with the 10-K filed Feb 18, 2026.
Insider tradesForm 4
0sales
2purchases
0sales on a scheduled plan
0people selling
$0sold, in dollars
$400,000bought, in dollars
Open-market trades on Form 4 from Oct 2, 2025 to Oct 2, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Oct 2, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 47 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Jackson Richard A. | President and CEO | 0 | $0 | 0 | 1 | $200,000 |
| Klesse William R | director | 0 | $0 | 0 | 1 | $200,000 |