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 | Q2 2026 | Q2 2025 |
|---|---|---|
| Basic EPS | 179.63 | 4.28 |
| Diluted EPS | 179.63 | 4.28 |
| Average shares (basic) | 1,211 | 1,225 |
| Average shares (diluted) | 1,211 | 1,225 |