Idemitsu Kosan Co.,Ltd.

Idemitsu Kosan Co.,Ltd.

IDKOY

$21.16

Updated: 22/09/2026, 19:25:43

Market Cap
$12.68B
Sector
Energy
Industry
Oil & Gas Refining & Marketing
Country
JP
Stock valuation chart
One-year closing share-price history for IDKOY
Company Profile

Idemitsu Kosan Co.,Ltd., a company founded in Tokyo, Japan, in 1911, operates globally as a diversified energy and materials enterprise. Its extensive operations are categorized into five core segments: The Petroleum division encompasses the entire crude oil lifecycle, from procurement and refining to the sale of various petroleum products, including gasoline, diesel, kerosene, automotive and industrial lubricants, heavy oil, and aviation and marine fuels. This segment also manages hydrogen refueling stations. Within the Basic Chemicals segment, Idemitsu focuses on the manufacturing and marketing of fundamental chemical compounds. This includes olefins like ethylene, propylene, and butadiene, as well as aromatics such as benzene, styrene monomer, mixed xylene, and paraxylene, alongside other chemical products. The Functional Materials division is dedicated to the research, development, production, and sale of a wide array of advanced materials. This portfolio features automotive, industrial, and marine lubricants and greases; engineering plastics, adhesives, derivative products, and solvents; electronic materials, notably OLEDs; asphalt; and agricultural and livestock-related items like microbial pesticides, soil amendments, and materials for animal husbandry. A key area of innovation for this segment is solid-state lithium-ion battery materials. Idemitsu's Power and Renewable Energy segment manages traditional thermal power plants while also actively developing and operating renewable energy sources such as solar, wind, and biomass facilities. It participates in the full spectrum of electricity services, from supply and wholesale to retail, and is involved in the research, development, and manufacturing of CIS thin-film solar modules, as well as selling complete solar power systems. Lastly, the Resources segment is responsible for the exploration, development, and production of oil and natural gas. It also includes the mining and sale of coal and uranium, the operation of geothermal power plants, and the distribution of their generated electricity and steam.

USD
OTC
CEO: Noriaki Sakai
Employees: 14,392
https://www.idemitsu.com
Asset Summaries
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Detailed business
Structured knowledge from the latest official annual filing.
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Full company information
Latest profile, trading, valuation, and identifier data stored for IDKOY.
Share price
$21.16
Market cap
$12.68B
Exchange
OTC
Currency
USD
CEO
Noriaki Sakai
Employees
14,392
IPO date
22/02/2012
Beta
0.283
Last dividend
$0.00
Day range
$20.75 – $21.16
52-week range
$12.85 – $22.79
1-day performance
0.64%
1-year performance
64.63%
Current drawdown (1Y)
-7.17%
CIK
0001380365
CUSIP
45166E104
ISIN
US45166E1047
Created
07/12/2025, 04:40:35
Last update
22/09/2026, 19:25:43

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