Occidental Petroleum (HAM:OPC) Institutional Ownership: 42.43% (As of Jul. 19, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

HAM:OPC Occidental Petroleum Corp HAM:OPC
57 GF Score
Price €47.55
GF Value €39.45
Valuation Modestly Overvalued
! 2 Warning Signs
View Full Analysis

What is Occidental Petroleum Institutional Ownership?

Occidental Petroleum HAM:OPC +0.83% 57 Institutional Ownership is 42.43% as of Jul. 19, 2026. GuruFocus rates HAM:OPC with a GF Score™ of 57/100 and a GF Value™ of €39.45 (Modestly Overvalued). The stock has 2 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Occidental Petroleum's institutional ownership is 42.43%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Occidental Petroleum's Insider Ownership is 0.00%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Occidental Petroleum's Float Percentage Of Total Shares Outstanding is 73.05%.

Occidental Petroleum Institutional Ownership Historical Data

* Premium members only.

The historical data trend for Occidental Petroleum's Institutional Ownership can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Occidental Petroleum Institutional Ownership Chart

Occidental Petroleum Historical Data

The historical data trend for Occidental Petroleum can be seen below:

2025-09-30 2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30
Institutional Ownership 38.85 38.73 39.02 39.47 39.68 39.97 40.77 41.13 41.78 42.43
HAM:OPC
57GF Score
Occidental Petroleum Corp HAM:OPC
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Occidental Petroleum Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 42.43% mean?
Occidental Petroleum (HAM:OPC) has a Institutional Ownership of 42.43% as of Jul. 19, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Occidental Petroleum and its competitors.
Is Occidental Petroleum's Institutional Ownership too high?
Occidental Petroleum's current Institutional Ownership is 42.43%. Overall, Occidental Petroleum has a GF Score™ of 57/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Occidental Petroleum's Institutional Ownership compare to FANG and DVN?
Occidental Petroleum's Institutional Ownership of 42.43% can be compared against companies in the Oil & Gas industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Institutional Ownership for an Oil & Gas company?
A good Institutional Ownership depends on the Oil & Gas industry context. However, Institutional Ownership should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Occidental Petroleum and its competitors. Occidental Petroleum's current Institutional Ownership is 42.43%. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Occidental Petroleum stock overvalued right now?
Based on GuruFocus' analysis, Occidental Petroleum (HAM:OPC) is currently considered Modestly Overvalued. The stock's GF Value™ is €39.45, compared to a current price of €47.55 — trading 20.5% above its estimated fair value. The current Institutional Ownership is 42.43%. Occidental Petroleum's overall GF Score™ is 57/100 with 2 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For Occidental Petroleum (HAM:OPC), the current Institutional Ownership is 42.43% as of Jul. 19, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

Is Occidental Petroleum (HAM:OPC) Overvalued in 2026?

Based on GuruFocus' analysis, Occidental Petroleum stock appears to be overvalued. The current stock price of €47.55 is trading 20.5% above its estimated GF Value™ of €39.45. GuruFocus considers Occidental Petroleum to be Modestly Overvalued.

Key valuation signals for HAM:OPC:

  • Institutional Ownership: 42.43%
  • GF Value™: €39.45 vs. price of €47.55 (20.5% above fair value)
  • GF Score™: 57/100 with 2 warning signs

No single metric tells the full story. See the HAM:OPC stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Occidental Petroleum Business Description

Industry EnergyOil & Gas
Address 5 Greenway Plaza, Suite 110, Houston, TX, USA, 77046
Occidental Petroleum is an independent exploration and production company with operations in the United States, Latin America, and the Middle East. At the end of 2025, the company reported net proved reserves of 4.6 billion barrels of oil equivalent. Net production averaged 1.4 million barrels of oil equivalent per day in 2025 at a ratio of roughly 74% oil and natural gas liquids and 26% natural gas.
57GF Score

Get the complete analysis for HAM:OPC

Institutional Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€47.55
Price
€39.45
GF Value