Latest results FY2026 · Prices updated Oct 30, 2026
HQ: Minato-ku, TokyoFounded 19353,954 employeesWebsite
A leading integrated chemical company with strong foundations in chlor-alkali and petrochemicals. It holds top domestic market shares in vinyl chloride and caustic soda.
Business segments (share of revenue)
Latest results
FY2026
vs. same period a year earlier
| Segment | Share | Revenue | Operating profit | Margin |
|---|---|---|---|---|
| Chlor-Alkali and Vinyl Products | 35% | ¥346.0B | ¥1.9B | 0.6% |
| High Performance Functional Products | 28% | ¥272.9B | ¥39.9B | 14.6% |
| Engineering Services | 19% | ¥186.4B | ¥40.4B | 21.7% |
| Petrochemical and Basic Polymers | 17% | ¥169.7B | ¥9.7B | 5.7% |
Close (Oct 30, 2026)
¥2,537.5+15.9% (1Y)
Tosoh +15.9% over 1Y, 9.7pt below the industry average (59 companies, +25.6%).
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 | ¥1.0T | ¥95.5B | ¥41.6B | ¥1.4T | -4.1% |
| 2025FY | ¥1.1T | ¥98.9B | ¥58.0B | ¥1.3T | +5.7% |
| 2024FY | ¥1.0T | ¥79.8B | ¥57.3B | ¥1.3T | -5.5% |
| 2023FY | ¥1.1T | ¥74.6B | ¥50.3B | ¥1.2T | +15.9% |
| 2022FY | ¥918.6B | ¥144.0B | ¥107.9B | ¥1.1T | +25.3% |
| 2021FY | ¥732.9B | ¥87.8B | ¥63.3B | ¥982.8B | — |
Sources: annual securities reports, earnings releases and other public disclosures
Data may contain input errors. For reference only; we accept no responsibility for its accuracy.
