Latest results FY2026 · Prices updated Oct 30, 2026
HQ: Chiyoda, TokyoFounded 19115,060 employeesWebsite
Japan's second-largest oil refiner, actively diversifying into next-generation energy solutions and high-performance electronic materials.
Business segments (share of revenue)
Latest results
FY2026
vs. same period a year earlier
Company forecastFY2027
| Segment | Share | Revenue | Operating profit | Margin |
|---|---|---|---|---|
| Petroleum Products and Fuel Oil | 91% | ¥6.8T | ¥177.7B | 2.6% |
| Advanced Materials | 7% | ¥503.2B | ¥33.4B | 6.6% |
| Resource and Energy Development | 3% | ¥203.5B | ¥33.1B | 16.3% |
Close (Oct 30, 2026)
¥1,515.5+41.4% (1Y)
Idemitsu +41.4% over 1Y, 6.7pt above the industry average (7 companies, +34.7%).
Reference chart of daily closing prices, not real-time quotes (split-adjusted; weekly closes before the last year). Updated Oct 30, 2026.
| Period | Revenue | Op. profit | Net income | Total assets | Revenue YoY |
|---|---|---|---|---|---|
| 2026FY | ¥8.1T | ¥212.2B | ¥171.9B | ¥5.3T | -11.8% |
| 2025FY | ¥9.2T | ¥162.2B | ¥104.1B | ¥4.8T | +5.4% |
| 2024FY | ¥8.7T | ¥346.3B | ¥228.5B | ¥5.0T | -7.8% |
| 2023FY | ¥9.5T | ¥282.4B | ¥253.6B | ¥4.9T | +41.4% |
| 2022FY | ¥6.7T | ¥434.5B | ¥279.5B | ¥4.6T | +46.7% |
| 2021FY | ¥4.6T | ¥140.1B | ¥34.9B | ¥4.0T | — |
Sources: annual securities reports, earnings releases and other public disclosures (Dec 2024)
Data may contain input errors. For reference only; we accept no responsibility for its accuracy.
