Occidental Petroleum

OXY • NYSE

Occidental Petroleum is a oil & gas exploration & production company in the energy sector on NYSE, led by Vicki Hollub, with a market cap of $40.6B. As of Q3 2025, 77% of shares are held by 1,108 institutional investors, with BERKSHIRE HATHAWAY INC as the largest holder at 26.91%.

Chief Executive OfficerVicki Hollub

Market Cap$40.6B

Oil & Gas Exploration & Production

Energy

Employees12.6K

Websiteoxy.com

Country

United States of America

Overview

Overview of institutional ownership in OXY as of Q3 2025 with a market cap of $46.5B

All Institutions

Institutions: 1,108
Value Held: $35.9B
Shares Held: 759.8M
Avg Position: $32.4M
Median Position: $545.6K

Hedge Funds

Hedge Funds: 59
Value Held: $1.4B
Shares Held: 30.1M
Avg Position: $24.1M
Median Position: $3.1M

Ownership Breakdown

Institutional (non-HF)

74.12%

$34.5B

Hedge Funds

3.05%

$1.4B

Retail & Other

22.82%

$10.6B

Based on market cap of $46.5B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in OXY as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
BERKSHIRE HATHAWAY INC Institution	Warren E. Buffett CEO	$12.5B 4.68% of portfolio	26.91% 264.9M shares	Q1 2022 Held for 3y 8m	$267.33B
VANGUARD GROUP INC Institution	Salim Ramji CEO	$4.2B 0.06% of portfolio	9.06% 89.2M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
DODGE & COX Long Only Manager	Dana Morton Emery CEO	$3.8B 2.04% of portfolio	8.11% 79.9M shares	≤ Q2 2013 Held for 12y 5m+	$185.33B
B BlackRock, Inc. Institution	-	$2.3B 0.04% of portfolio	5.02% 49.4M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$1.8B 0.06% of portfolio	3.93% 38.7M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$878.9M 0.06% of portfolio	1.90% 18.7M shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
H H&H International Investment, LLC Hedge Fund•Long/Short	Yong Duan Owner	$640.5M 4.36% of portfolio	1.38% 13.6M shares	Q1 2023 Held for 2y 8m	$14.7B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$626.1M 0.04% of portfolio	1.35% 13.3M shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	Gerard Kieran O'Reilly CEO	$412.0M 0.09% of portfolio	0.89% 8.7M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
P Pacer Advisors, Inc. Institution	-	$330.4M 0.96% of portfolio	0.71% 7.0M shares	Q4 2015 Held for 9y 11m	$34.6B

Net Capital Flow

Institutional buying and selling activity for OXY in Q3 2025

Traded: +$436.9M
Buyers: 505
Sellers: 504
Total Bought: +$1.3B
Total Sold: −$823.5M
Avg Position: $29.6M

Biggest Buyers

Institution	Net Bought	Current Position
MORGAN STANLEY RIA/Wealth	+$123.2M +2.6M shares	$626.1M 13.3M shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$99.4M +2.1M shares	$102.1M 2.2M shares
B BlackRock, Inc. Institution	+$77.2M +1.6M shares	$2.3B 49.4M shares
WELLINGTON MANAGEMENT CO LLP Long Only Manager	+$64.3M +1.4M shares	$70.6M 1.5M shares
AQR CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$49.2M +1.0M shares	$85.8M 1.8M shares
Toroso Investments, LLC ETF Provider	+$47.3M +1.0M shares	$67.9M 1.4M shares
J JANE STREET GROUP, LLC Institution	+$44.8M +948.3K shares	$45.4M 961.1K shares
DIMENSIONAL FUND ADVISORS LP Long Only Manager	+$42.6M +900.7K shares	$412.0M 8.7M shares
BARCLAYS PLC Institution	+$41.2M +872.2K shares	$141.3M 3.0M shares
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	+$39.8M +841.7K shares	$49.8M 1.1M shares

Biggest Sellers

Institution	Net Sold	Current Position
UBS Group AG Institution	−$147.1M −3.1M shares	$215.3M 4.6M shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$84.8M −1.8M shares	$68.8M 1.5M shares
Kingstone Capital Partners Texas, LLC RIA/Wealth	−$28.6M −680.4K shares	Sold Off 0 shares
BANK OF MONTREAL /CAN/ Institution	−$27.1M −573.5K shares	$52.4M 1.1M shares
P Pacer Advisors, Inc. Institution	−$23.2M −490.3K shares	$330.4M 7.0M shares
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	−$22.3M −530.3K shares	Sold Off 0 shares
TWO SIGMA ADVISERS, LLC Hedge Fund•Multi-Strategy	−$20.6M −436.4K shares	$1.2M 26.1K shares
DODGE & COX Long Only Manager	−$17.5M −371.0K shares	$3.8B 79.9M shares
STATE STREET CORP Institution	−$15.8M −333.6K shares	$1.8B 38.7M shares
FMR LLC Institution	−$15.7M −331.8K shares	$156.4M 3.3M shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited OXY in Q3 2025

New Positions: 42
New Value: $54.2M
Exited Positions: 104
Exited Value: $144.6M

New Positions

Institution	Position Value
Diameter Capital Partners LP Hedge Fund•Credit Arb	$21.3M 450.0K shares
Q QSM Asset Management Ltd Institution	$10.3M 221.8K shares
VGI PARTNERS PTY Ltd Hedge Fund•Long/Short	$6.6M 140.0K shares
O Orvieto Partners, L.P. Hedge Fund•Value	$3.1M 65.0K shares
UDINE WEALTH MANAGEMENT, INC. RIA/Wealth	$2.5M 52.9K shares
Carrera Capital Advisors RIA/Wealth	$2.1M 44.1K shares
Morningstar Investment Management LLC Long Only Manager	$1.8M 39.1K shares
GenTrust, LLC RIA/Wealth	$973.6K 20.5K shares
Fortis Capital Advisors, LLC RIA/Wealth	$683.5K 14.5K shares
Haven Private, LLC RIA/Wealth	$610.8K 12.9K shares

Exited Positions

Institution	Previous Position
Kingstone Capital Partners Texas, LLC RIA/Wealth	$28.6M 680.4K shares
T Twin Tree Management, LP Hedge Fund•Vol Arbitrage	$22.3M 530.3K shares
D D. E. Shaw & Co., Inc. Institution	$15.3M 364.3K shares
E Eisler Capital Management Ltd. Institution	$6.2M 146.9K shares
SummitTX Capital, L.P. Hedge Fund•Multi-Strategy	$5.9M 139.9K shares
A AXA Institution	$5.7M 136.6K shares
PREVAIL INNOVATIVE WEALTH ADVISORS, LLC RIA/Wealth	$5.5M 130.2K shares
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$5.0M 119.8K shares
EAGLE CAPITAL MANAGEMENT LLC Long Only Manager	$3.4M 82.0K shares
M Massar Capital Management, LP Institution	$3.1M 74.5K shares

Options Activity

Institutions with the largest Call and Put options positions in OXY as of Q3 2025

Call Positions: 52
Call Value: $1.4B
Put Positions: 42
Put Value: $1.4B

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$425.0M 90.0K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$206.2M 43.7K contracts
UBS Group AG Institution	$91.8M 19.4K contracts
S Squarepoint Ops LLC Hedge Fund•Quant	$63.0M 13.3K contracts
J JANE STREET GROUP, LLC Institution	$62.0M 13.1K contracts
Q Qube Research & Technologies Ltd Institution	$47.5M 10.1K contracts
D D. E. Shaw & Co., Inc. Institution	$41.2M 8.7K contracts
Point72 Asset Management, L.P. Hedge Fund•Multi-Strategy	$39.4M 8.3K contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$36.3M 7.7K contracts
W WOLVERINE TRADING, LLC Institution	$33.9M 7.0K contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$375.6M 79.5K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$203.4M 43.1K contracts
J JANE STREET GROUP, LLC Institution	$107.9M 22.8K contracts
GOLDMAN SACHS GROUP INC Institution	$104.4M 22.1K contracts
D D. E. Shaw & Co., Inc. Institution	$95.6M 20.2K contracts
UBS Group AG Institution	$87.3M 18.5K contracts
WELLS FARGO & COMPANY/MN Institution	$41.5M 8.8K contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$41.4M 8.8K contracts
CAPITAL FUND MANAGEMENT S.A. Hedge Fund•Quant Macro	$29.9M 6.3K contracts
W WOLVERINE TRADING, LLC Institution	$29.0M 6.0K contracts

Most Committed Institutions

Institutions with OXY as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
A Adams Asset Advisors, LLC RIA/Wealth	Steven Adams Managing Partner	21.61% $166.9M	0.36% 3.5M shares	≤ Q2 2013 Held for 12y 5m+	$772.6M
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN RIA/Wealth	Patrick Joseph Marody President	13.85% $285.9M	0.61% 6.1M shares	Q2 2022 Held for 3y 5m	$2.1B
R Rule One Partners, LLC Hedge Fund•Sector	Arthur Richards Rule Managing Partner	11.80% $13.3M	0.03% 275.5K shares	Q3 2024 Held for 1y 2m	$112.3M
Q QSM Asset Management Ltd Institution	-	7.37% $10.3M	0.02% 221.8K shares	Q3 2025 Held for 2 months	$140.0M
Aldebaran Capital, LLC RIA/Wealth	Kenneth Richard Skarbeck President	7.34% $8.0M	0.02% 168.3K shares	Q4 2022 Held for 2y 11m	$108.4M
C Chou Associates Management Inc. Institution	-	7.12% $14.8M	0.03% 313.0K shares	Q3 2024 Held for 1y 2m	$207.6M
swisspartners Advisors Ltd RIA/Wealth	Dominique Joerg Spillmann CEO	6.11% $7.4M	0.02% 157.1K shares	Q1 2025 Held for 8 months	$121.7M
BERKSHIRE HATHAWAY INC Institution	Warren E. Buffett CEO	4.68% $12.5B	26.91% 264.9M shares	Q1 2022 Held for 3y 8m	$267.33B
SCHARF INVESTMENTS, LLC RIA/Wealth	Brian Alan Krawez President	4.52% $162.5M	0.35% 3.4M shares	Q2 2024 Held for 1y 5m	$3.6B
H H&H International Investment, LLC Hedge Fund•Long/Short	Yong Duan Owner	4.36% $640.5M	1.38% 13.6M shares	Q1 2023 Held for 2y 8m	$14.7B

Hedge Fund Spotlight

Discover hedge funds investing in OXY

HBK Sorce Advisory LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerMatthew Atcheson Leffers

Portfolio Value: $4.1B
Positions: 732
Last Reported: Q3 2025

Sector Allocation

Position in Occidental Petroleum

Market Value: $338.7K
Shares Held: 8.1K
Portfolio Weight: 0.01%
Owned Since: 2021-Q1

Top Holding	Sector	Market Value	Weight
1 SCHX Schwab U.S. Large-Cap ETF SCHX	ETF ETF	$897.0M	21.96%
2 VCRB Vanguard Core Bond VCRB	ETF ETF	$680.4M	16.66%
3 Vanguard FTSE Developed Markets VEA	ETF ETF	$464.3M	11.37%

View full profile

Occidental Petroleum

Overview

All Institutions

Hedge Funds

Ownership Breakdown

Biggest Investors

Net Capital Flow

Biggest Buyers

Biggest Sellers

Entry and Exit Activity

New Positions

Exited Positions

Options Activity

Call Positions

Put Positions

Most Committed Institutions

Hedge Fund Spotlight

Position in Occidental Petroleum

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