Share ownership Idemitsu Kosan Co.,Ltd.

5019

JP3142500002

Oil & Gas Refining and Marketing

Market Closed - Japan Exchange Other stock markets 14:30:00 20/05/2026 HKT			5-day change	1st Jan Change
1,374.50 ^JPY	-0.15%		-1.04%	+16.19%

04:47pm	Japan oil refiners expect to secure enough supply to replace Middle East crude for summer	RE
02:12pm	Japan oil refiners move to secure Middle East replacements for summer, industry official says	RE

Share class: Idemitsu Kosan Co.,Ltd.

	Vote	Quantity	Free-Float	Company-owned shares	Total Float
Stock A	0	1,229,581,700	715,891,770 ( 58.22 %)	70,475,150 ( 5.732 %)	58.22 %

Major shareholders: Idemitsu Kosan Co.,Ltd.

Name	Equities	%	Valuation
ARAMCO 8.968 %	115,579,000	8.968 %	995 M ¥
Nissho Kosan KK 8.498 %	109,520,390	8.498 %	942 M ¥
Idemitsu Museum of Arts 7.912 %	101,962,000	7.912 %	877 M ¥
Nomura Asset Management Co., Ltd. 4.602 %	59,308,215	4.602 %	510 M ¥
Amova Asset Management Co., Ltd. 2.012 %	25,932,500	2.012 %	223 M ¥
Showa Kosan KK 1.93 %	24,872,000	1.93 %	214 M ¥
Idemitsu Kosan Employee Stock Ownership Plan 1.821 %	23,468,230	1.821 %	202 M ¥
Zen KK /Chuo/ 1.382 %	17,807,169	1.382 %	153 M ¥
En KK /Chuo/ 1.365 %	17,591,841	1.365 %	151 M ¥
Mi Power Co. Ltd. 0.9746 %	12,559,500	0.9746 %	108 M ¥
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Breakdown by shareholder type

Other	24.12%
Saudi Arabian Oil Co.	8.97%
Institutional	7.04%
Sumitomo Mitsui Trust Group, Inc.	0.8%
Individuals	0.72%
Idemitsu Kosan Co., Ltd.	0.65%
Tokio Marine Holdings, Inc.	0.28%
ANA HOLDINGS INC.	0.13%
Tosoh Corp.	0.11%
ZEON Corp.	0.11%
The Chiba Bank, Ltd.	0.08%
Bridgestone Corp.	0.07%
The Yokohama Rubber Co., Ltd.	0.07%
Fukuoka Financial Group, Inc.	0.05%
The Chiba Kogyo Bank Ltd.	0.04%
Kyushu Financial Group, Inc.	0.04%
San-in Godo Bank Ltd.	0.04%
Nanto Bank Ltd.	0.04%
Gunma Bank, Ltd.	0.04%
North Pacific Bank, Ltd.	0.04%
Iino Kaiun Kaisha, Ltd.	0.04%
NS United Kaiun Kaisha, Ltd.	0.04%
Air Water, Inc.	0.04%
Okumura Corp.	0.02%
Rinko Corp.	0.02%
SAN-AI OBBLI Co., Ltd.	0.02%
JGC Holdings Corp.	0.02%
Sankyu, Inc.	0.02%
Kinden Corp.	0.02%
Keiyo Gas Co., Ltd.	0.02%
SINANEN Holdings Co., Ltd.	0.02%
Namura Shipbuilding Co., Ltd.	0.01%
Hirogin Holdings, Inc.	0.01%
Meisei Industrial Co., Ltd.	0.01%
Sala Corp.	0.01%
Unknown	56.24%

Based on 1000 largest holdings

Geographical origin of shareholders

Japan	33.84%
Saudi Arabia	8.97%
Individuals	0.72%
United Kingdom	0.06%
Canada	0.04%
Ireland	0.04%
Sweden	0.02%
Australia	0.01%
United States	0.01%
Italy	0.01%
Germany	0.01%
Denmark	0.01%
Luxembourg	0.01%

Based on 1000 largest holdings

Idemitsu Kosan Co Ltd is Japan-based company primarily engaged in fossil fuel-related businesses. The Company operates five business segments. The Fuel Oil segment is engaged in the production, sales, import & export, and trading of refined petroleum products. The Basic Chemicals Segment is engaged in the production and sale of olefins and aromatics products. The High Functional Materials segment is engaged in lubricants, functional chemicals, electronic materials, functional pavement materials, and agribio products. The Power & Renewable Energy segment is engaged in power generation (includes thermal, solar, wind), power sales, and solar cell operations. The Resources segment is engaged in exploration, development, production, and sales of energy resources such as crude oil, natural gas, and coal. The Company also conducts insurance and intra-group service businesses.

Employees

13,814

Sector

Oil & Gas Refining and Marketing

Calendar

Earnings release - Q1 2027

More about the company