Idemitsu Kosan revenue and financials

5019 · TSE · JPY

¥1,536.00Change from previous close: +0.29%Absolute change: +¥4.50

Close · October 7, 2026

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%.

Annual revenue · 2026: ¥8.11T
  1. ¥9.46T2023
  2. ¥8.72T2024
  3. ¥9.19T2025
  4. ¥8.11T2026

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.

Cash flow · Annual
ItemFY to Mar 2026FY to Mar 2025FY to Mar 2024FY to Mar 2023FY to Mar 2022
Operating cash flow392,429476,742377,391-32,844—
Depreciation and amortization104,981105,074108,561113,912—
Capital expenditure-166,866-95,222-77,116-90,478—
Investing cash flow-291,632-118,514-65,80570,079—
Financing cash flow-104,926-343,450-280,506-90,416—
Dividends paid-44,199-46,140-40,218-50,629—
Share repurchases-2,309-165,320-57,360-13,091—
Debt issued131,50021,47048,27933,740—
Debt repaid-123,766-103,671-124,293-112,363—
Effect of exchange rates7,4431,8412,74017,230—
Net change in cash-4,12914,77831,080-53,181—
Free cash flow225,563381,520300,275-123,322—