Idemitsu Kosan revenue and financials

5019 · TSE · JPY

¥1,516.00Change from previous close: −0.69%Absolute change: −¥10.50

Close · October 6, 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.

Income statement · Annual
ItemFY to Mar 2026FY to Mar 2025FY to Mar 2024FY to Mar 2023
Total revenue8,105,8919,190,2258,719,2019,456,281
Cost of revenue7,351,4068,500,8127,872,0808,662,257
Gross profit754,484689,412847,121794,023
Operating income212,204162,186346,317282,442
EBIT240,225175,092347,007363,559
EBITDA345,206280,166455,568477,471
Interest expense18,08916,73120,25315,289
Pre-tax income222,136158,361326,754348,270
Income tax57,03556,34999,91197,492
Net income171,914104,055228,518253,646
Net income to common shareholders171,914104,055228,518253,646
Basic EPS140.3877.83161.32170.67
Diluted EPS140.3877.83161.32170.67
Average shares (basic)1,2251,3371,4171,486
Average shares (diluted)1,2251,3371,4171,486