Occidental Petroleum Ownership | Who Owns Occidental Petroleum?

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Occidental Petroleum Ownership Summary

Occidental Petroleum is owned by 79.48% institutional investors, 26.93% insiders. Berkshire hathaway is the largest institutional shareholder, holding 27.16% of OXY shares. Dodge & Cox Stock I is the top mutual fund, with 4.94% of its assets in Occidental Petroleum shares.

OXY Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Occidental Petroleum	79.48%	26.93%	-6.42%
Sector	Energy Stocks	44.25%	15.20%	40.55%
Industry	Oil & Gas Exploration & Production Stocks	47.40%	15.66%	36.94%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Berkshire hathaway	264.94M	27.16%	$17.22B
Vanguard group	89.90M	9.11%	$3.70B
Dodge & cox	72.76M	7.46%	$3.53B
Blackrock funding, inc. /de	55.86M	5.73%	$2.71B
Vanguard capital management	48.10M	4.93%	$2.34B
State street	46.14M	4.73%	$2.25B
Blackrock	40.29M	4.56%	$2.54B
Geode capital management	19.90M	2.04%	$962.85M
H&h investment	13.56M	1.38%	$640.53M
Morgan stanley	12.24M	1.25%	$594.50M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Adams asset advisors	1.65M	9.09%	$80.14M
Aldebaran capital	154.15K	7.66%	$10.02M
Concorde financial	138.16K	7.08%	$9.02M
Chou associates management	313.00K	7.02%	$15.20M
Berkshire hathaway	264.94M	6.55%	$17.22B
Swisspartners advisors	175.51K	5.74%	$8.52M
Scharf investments	3.19M	5.11%	$154.83M
H&h investment	13.56M	4.36%	$640.53M
Grand central investment group	103.73K	4.21%	$5.04M
Asset management advisors	116.55K	3.13%	$5.66M

Top Buyers

Holder	Shares	% Assets	Change
Aqr capital management	8.72M	0.26%	6.07M
Bank of new york mellon	10.64M	0.08%	4.88M
Danske bank	3.59M	0.34%	3.55M
Blackrock funding, inc. /de	55.86M	0.04%	3.22M
State street	46.14M	0.07%	2.87M

Top Sellers

Holder	Shares	% Assets	Change
Gqg partners	-	-	-18.31M
Fairfax financial ltd/ can	-	-	-6.05M
Susquehanna group, llp	416.95K	0.00%	-2.99M
Citadel advisors	807.93K	0.01%	-1.79M
Jane street group	94.91K	0.00%	-1.41M

New Positions

Holder	Shares	% Assets	Change	Value
Freestone grove partners lp	1.15M	0.53%	1.15M	$74.70M
Sourcerock group	611.10K	1.60%	611.10K	$39.72M
Encompass capital advisors	451.40K	0.88%	451.40K	$29.34M
Diameter capital partners lp	450.00K	1.31%	450.00K	$21.26M
Kayne anderson capital advisors lp	346.95K	0.33%	346.95K	$16.85M

Sold Out

Holder	Change
Westend capital management	-1.00
Westfuller advisors	-1.00
Scarborough advisors	-1.00
Mowery & schoenfeld wealth management	-1.00
Conquis financial	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2026	1,333	11.64%	775,370,735	1.51%	79	1.33%	706	48.32%	372	-18.24%
Dec 31, 2025	1,004	-18.44%	434,796,572	-42.85%	44	0.74%	379	-28.63%	407	-0.49%
Sep 30, 2025	1,191	-	759,813,873	3.56%	77	1.39%	514	-14.90%	397	14.08%
Jun 30, 2025	1,168	-6.93%	750,251,677	1.25%	76	1.23%	595	-4.65%	340	-2.30%
Mar 31, 2025	1,233	-2.76%	740,424,980	3.13%	78	1.31%	611	6.63%	345	-25.49%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Dodge & Cox Stock I	49.17M	4.94%	-1.47M
Vanguard Total Stock Mkt Idx Inv	23.69M	2.38%	140.21K
Vanguard Morn Total Stk Mkt Idx Investor	23.69M	2.38%	140.21K
Vanguard US Total Market Shares ETF	20.33M	2.17%	21.22K
Vanguard 500 Index Investor	18.86M	1.90%	34.56K
State Street®EngySelSectSPDR®ETF	17.68M	1.77%	78.01K
Vanguard Morn Mid Cap Index Instl	16.17M	1.63%	117.03K
Vanguard Mid Cap Index Institutional	16.17M	1.63%	117.03K
The Energy Select Sector SPDR® ETF	13.78M	1.40%	2.27K
UBS: Global Equity	13.63M	1.37%	3.17M

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 23, 2026	Jackson Richard A.	President and CEO	Buy	$249.85K
Dec 16, 2025	KLESSE WILLIAM R	-	Buy	$194.90K
Feb 07, 2025	BERKSHIRE HATHAWAY INC	-	Buy	$35.72M
Dec 19, 2024	BERKSHIRE HATHAWAY INC	-	Buy	$153.59M
Dec 19, 2024	BERKSHIRE HATHAWAY INC	-	Buy	$11.19M

Insider Transactions Trends

Date	Buy	Sell
2026 Q2	1	-
2026 Q1	-	-
2025 Q4	1	-
2025 Q2	-	-
2025 Q1	1	-

OXY Ownership FAQ

Who Owns Occidental Petroleum?

Occidental Petroleum shareholders are primarily institutional investors at 79.48%, followed by 26.93% insiders and -6.41% retail investors. The average institutional ownership in Occidental Petroleum's industry, Oil & Gas Exploration & Production Stocks, is 47.40%, which Occidental Petroleum exceeds.

Who owns the most shares of Occidental Petroleum?

Occidental Petroleum’s largest shareholders are Berkshire hathaway (264.94M shares, 27.16%), Vanguard group (89.9M shares, 9.11%), and Dodge & cox (72.76M shares, 7.46%). Together, they hold 43.73% of Occidental Petroleum’s total shares outstanding.

Does Blackrock own Occidental Petroleum?

Yes, BlackRock owns 4.56% of Occidental Petroleum, totaling 40.29M shares as of Jun 2024. This represents 0.06% of BlackRock's total assets, with a market value of 2.54B$. In the last quarter, BlackRock decreased its holdings by -101K shares, a -0.25% change.

Who is Occidental Petroleum’s biggest shareholder by percentage of total assets invested?

Adams asset advisors is Occidental Petroleum’s biggest shareholder by percentage of total assets invested, with 9.09% of its assets in 1.65M Occidental Petroleum shares, valued at 80.14M$.

Who is the top mutual fund holder of Occidental Petroleum shares?

Dodge & Cox Stock I is the top mutual fund holder of Occidental Petroleum shares, with 4.94% of its total shares outstanding invested in 49.17M Occidental Petroleum shares.

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