What does CUSIP 674599105 represent in this 13F holders report?

CUSIP 674599105 is the security identifier for OXY - OCCIDENTAL PETROLEUM CORP /DE/ - Common Stock used to aggregate holder disclosures.

How many institutions held OXY - OCCIDENTAL PETROLEUM CORP /DE/ - Common Stock in Q4 2025?

1109 institutional investors reported OXY - OCCIDENTAL PETROLEUM CORP /DE/ - Common Stock for Q4 2025. Use the holders table for investor-level position and value details.

- Common Stock (OXY)

CUSIP: 674599105

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock
Total 13F shares: 763,657,607
Total 13F value: $31,408,946,587
Share change: +2,127,494
Put/Call ratio: 80%
SEC-reported price per share: $41.12
Number of holders: 1,109
Value change: +$58,540,208
Number of buys: 415
Number of sells: 619
Shares outstanding: 1,002,612,865

Security key

674599105

Report period

Q4 2025

Institutions

1,109

Top holders

OXY full security history Ownership snapshot Full 13F holder table OCCIDENTAL PETROLEUM CORP /DE/ SEC filings OCCIDENTAL PETROLEUM CORP /DE/ company facts OCCIDENTAL PETROLEUM CORP /DE/ 13D/G history

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of OXY - OCCIDENTAL PETROLEUM CORP /DE/ - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BERKSHIRE HATHAWAY INC

Disclosed value leader

BERKSHIRE HATHAWAY INC

Comparable rows

15/15

Latest evidence

30 Sep 2025

13D/G 3/4/5 13F Lead comparable stake: 33% 13D/G row: BERKSHIRE HATHAWAY INC Showing 1-6 of 15 holder rows.

Quick read

BERKSHIRE HATHAWAY INC leads the comparable SEC ownership view at 33%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BERKSHIRE HATHAWAY INC's linked filing trail.

Comparable ownership Top 5

BERKSHIRE HATHAWAY INC 33%

VANGUARD GROUP INC 8.9%

DODGE & COX 8%

BlackRock, Inc. 4.9%

STATE STREET CORP 3.9%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BERKSHIRE HATHAWAY INC	13D/G 3/4/5 13F Warren E. Buffett · 10%+ Owner · Company 13D/G 3/4/5 13F	33%	$16,155,399,721 348,853,373 shares	$0	30 Jun 2025
VANGUARD GROUP INC	13F Company 13F	8.9%	$4,214,772,766 89,201,540 shares	—	30 Sep 2025
DODGE & COX	13F Company 13F	8%	$3,774,489,280 79,883,371 shares	—	30 Sep 2025
BlackRock, Inc.	13F Company 13F	4.9%	$2,335,805,108 49,435,029 shares	—	30 Sep 2025
STATE STREET CORP	13F Company 13F	3.9%	$1,838,304,916 38,710,895 shares	—	30 Sep 2025
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	1.9%	$878,947,153 18,678,713 shares	—	30 Sep 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

1,109

763,657,607

Rows available

1,109

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

1,140

Q4 2025 holders

1,109

Holder diff

-31

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %