Idemitsu Kosan revenue and financials
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In the fiscal year ended March 2026, Idemitsu Kosan reported revenue of ¥8.11T (−11.80% year over year). Net income was ¥171.91B, a net margin of 2.1%.
Fiscal year ending in March. Sources and method on the page Methodology and sources.
At a glance
- Revenue growth
- −11.80%
- FY to Mar 2026 vs FY to Mar 2025
- Net income growth
- +65.21%
- FY to Mar 2026 vs FY to Mar 2025
- Net margin
- 2.1%
- FY to Mar 2025: 1.1%
Financial data
Amounts in millions of JPY; per-share values in JPY; shares in millions.
| Item | FY to Mar 2026 | FY to Mar 2025 | FY to Mar 2024 | FY to Mar 2023 |
|---|---|---|---|---|
| Total revenue | 8,105,891 | 9,190,225 | 8,719,201 | 9,456,281 |
| Cost of revenue | 7,351,406 | 8,500,812 | 7,872,080 | 8,662,257 |
| Gross profit | 754,484 | 689,412 | 847,121 | 794,023 |
| Operating income | 212,204 | 162,186 | 346,317 | 282,442 |
| EBIT | 240,225 | 175,092 | 347,007 | 363,559 |
| EBITDA | 345,206 | 280,166 | 455,568 | 477,471 |
| Interest expense | 18,089 | 16,731 | 20,253 | 15,289 |
| Pre-tax income | 222,136 | 158,361 | 326,754 | 348,270 |
| Income tax | 57,035 | 56,349 | 99,911 | 97,492 |
| Net income | 171,914 | 104,055 | 228,518 | 253,646 |
| Net income to common shareholders | 171,914 | 104,055 | 228,518 | 253,646 |
| Basic EPS | 140.38 | 77.83 | 161.32 | 170.67 |
| Diluted EPS | 140.38 | 77.83 | 161.32 | 170.67 |
| Average shares (basic) | 1,225 | 1,337 | 1,417 | 1,486 |
| Average shares (diluted) | 1,225 | 1,337 | 1,417 | 1,486 |