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About the company
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.
- Revenue in JPY (TTM)8.26tn
- Net income in JPY29.18bn
- Incorporated1940
- Employees13.81k
- LocationIdemitsu Kosan Co Ltd1-2-1, Ote-machiCHIYODA-KU 100-8321JapanJPN
- Phone+81 120132015
- Fax+81 120132015
- Websitehttps://www.idemitsu.com/jp/
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Mergers & acquisitions
| Acquired company | 5019:TYO since announced | Transaction value |
|---|---|---|
| Fuji Oil Co Ltd | 39.87% | 177.06m |
Data delayed at least 15 minutes, as of Mar 04 2026 06:30 GMT.
Peer analysis
Key Information
- Key Information
- Stock Performance
- Per Share Data
- Efficiency
- Management Effectiveness
- Profitability
- Financial Strength
- Growth Rates
| Company | Revenue (TTM) | Net income (TTM) | Market cap | Employees | Price/earnings (TTM) | Price/book value (MRQ) | Price/cash flow (TTM) | Price/sales (TTM) | EPS (excl. extraordinary items, TTM) | EPS (incl. extraordinary items, TTM) | Revenue per share (TTM) | Book value per share (MRQ) | Asset turnover (TTM) | Inventory turnover (TTM) | Receivables turnover (TTM) | Revenues per employee (TTM) | Return on avg assets (TTM) | Return on avg assets (5 yr avg) | Return on investment (TTM) | Return on investment (5 yr avg) | Gross margin (TTM) | Gross margin (5 yr avg) | Net profit margin (TTM) | Net Profit margin (5 yr avg) | Quick ratio (MRQ) | Interest coverage (TTM) | Total debt to capital (MRQ) | Payout ratio (5 yr avg) | Revenue (YOY change %) | Revenue (5 yr growth rate) | Net income (YOY change %) | Net income (5 yr growth rate) | Capital expenditure (5 yr growth rate) | Dividend (5 yr growth rate) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Guanghui Energy Co Ltd | 744.78bn | 45.04bn | 1.04tn | 6.68k | 23.57 | 1.91 | -- | 1.40 | 0.302 | 0.302 | 5.00 | 3.73 | 0.6059 | 21.61 | 12.06 | 4,875,126.00 | 3.32 | 8.65 | 5.32 | 14.52 | 16.59 | 23.12 | 5.49 | 12.59 | 0.3694 | 4.51 | 0.4546 | 63.32 | -40.72 | 21.01 | -42.76 | 13.14 | -2.99 | -- |
| Oil India Ltd | 627.59bn | 99.91bn | 1.36tn | 6.41k | 13.62 | -- | 8.66 | 2.17 | 35.84 | 35.84 | 225.16 | -- | -- | -- | -- | 57,118,840.00 | -- | 9.58 | -- | 11.88 | 63.26 | 47.49 | 18.08 | 20.93 | -- | 11.78 | -- | 24.27 | -0.3853 | 11.87 | 3.41 | 6.86 | 31.44 | 10.23 |
| Hindustan Petroleum Corp Ltd | 8.12tn | 263.84bn | 1.55tn | 8.05k | 5.87 | -- | 4.12 | 0.1907 | 72.37 | 72.37 | 2,226.42 | -- | -- | -- | -- | 588,454,000.00 | -- | 4.27 | -- | 8.07 | 10.78 | 7.47 | 3.25 | 1.65 | -- | 6.21 | -- | 35.33 | 1.03 | 10.16 | -57.94 | 20.61 | -7.12 | 10.07 |
| Idemitsu Kosan Co Ltd | 8.26tn | 29.18bn | 1.90tn | 13.81k | 59.08 | 1.02 | 14.76 | 0.2297 | 24.92 | 24.92 | 6,643.18 | 1,436.85 | 1.59 | 5.80 | 8.87 | 597,824,800.00 | 0.4709 | 3.92 | 0.8829 | 7.02 | 7.43 | 9.77 | 0.2967 | 2.31 | 0.6632 | -- | 0.472 | 23.62 | 5.40 | 8.74 | -54.47 | -- | -6.06 | 2.38 |
| Santos Ltd | 795.28bn | 128.01bn | 2.62tn | 4.03k | 20.53 | 1.07 | 6.46 | 3.30 | 0.3546 | 0.3546 | 2.20 | 6.80 | 0.1689 | 8.05 | 6.58 | 1,779,255.00 | 2.72 | 4.40 | 2.93 | 4.87 | 35.56 | 41.53 | 16.10 | 21.28 | 1.33 | 17.80 | 0.3249 | 56.78 | -7.90 | 7.67 | -33.17 | -- | 7.01 | 13.77 |
| Formosa Petrochemical Corp | 3.14tn | 30.14bn | 2.79tn | 6.51k | 92.45 | 1.83 | 32.73 | 0.8875 | 0.636 | 0.636 | 66.26 | 32.21 | 1.66 | 8.10 | 14.89 | -- | 1.61 | 4.79 | 1.86 | 5.50 | 2.58 | 4.06 | 0.9668 | 3.03 | 3.32 | -- | 0.0703 | 79.68 | -6.84 | 0.5451 | -72.72 | -30.49 | 4.20 | -22.71 |
| Bharat Petroleum Corporation Ltd | 8.82tn | 421.72bn | 2.79tn | 8.75k | 6.51 | -- | 5.01 | 0.3159 | 57.59 | 57.59 | 1,204.45 | -- | -- | -- | -- | 588,531,700.00 | -- | 7.72 | -- | 12.95 | 13.60 | 8.77 | 4.78 | 3.13 | -- | 26.65 | -- | 38.36 | -1.28 | 8.70 | -50.35 | 34.28 | 4.42 | 3.92 |
| PTT Exploration and Production PCL | 1.40tn | 300.77bn | 2.81tn | 5.59k | 9.35 | 1.09 | 3.21 | 2.00 | 15.18 | 15.18 | 70.89 | 130.81 | 0.2964 | 2.86 | 10.14 | -- | 6.35 | 7.52 | 7.18 | 8.51 | 77.91 | 79.81 | 21.41 | 22.53 | 1.19 | 143.97 | 0.1961 | 51.37 | -9.88 | 11.90 | -23.53 | 21.86 | 26.69 | 15.54 |
Data as of Mar 04 2026. Currency figures normalised to Idemitsu Kosan Co Ltd's reporting currency: Japanese Yen JPY
17.39%Per cent of shares held by top holders
| Holder | Shares | % Held |
|---|---|---|
| Nomura Asset Management Co., Ltd.as of 30 Sep 2025 | 59.31m | 4.60% |
| The Vanguard Group, Inc.as of 31 Jan 2026 | 28.96m | 2.25% |
| Amova Asset Management Co., Ltd.as of 25 Jan 2025 | 25.93m | 2.01% |
| Sumitomo Mitsui Trust Asset Management Co., Ltd.as of 31 Jan 2025 | 23.06m | 1.79% |
| Daiwa Asset Management Co. Ltd.as of 30 Jan 2026 | 22.03m | 1.71% |
| BlackRock Fund Advisorsas of 06 Feb 2026 | 17.47m | 1.36% |
| Norges Bank Investment Managementas of 30 Jun 2025 | 12.97m | 1.01% |
| Mitsubishi UFJ Asset Management Co., Ltd.as of 05 Feb 2026 | 12.67m | 0.98% |
| Dimensional Fund Advisors LPas of 05 Feb 2026 | 12.60m | 0.98% |
| Geode Capital Management LLCas of 26 Feb 2026 | 9.09m | 0.71% |
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Data from 31 Dec 2025 - 26 Feb 2026Source: FactSet Research Systems Inc.
