Prices as of 2026/10/30 close
Company comparison
Asahi Kasei is the bigger company, with revenue of ¥3.1T — 20.7x Sumitomo Seika's ¥148.4B.
Sumitomo Seika earns more on each yen of sales, with an operating margin of 9.7% — 2.2 points above Asahi Kasei (7.5%).
Revenue growth in the latest results: Asahi Kasei +1.2%, Sumitomo Seika +0.5%.
Asahi Kasei pays more on average — ¥8.00M against ¥6.85M at Sumitomo Seika.
Over the past year the shares moved Sumitomo Seika +55.1%, Asahi Kasei +36.0%.
Head-to-head wins13 metrics
One win per metric for the company with the best value. Metrics with no better or worse (P/E, average age, employees) are excluded.
ScaleInvestors
Asahi Kasei aheadAsahi Kasei 3 : Sumitomo Seika 0
Revenue: Asahi Kasei ¥3.1T / Sumitomo Seika ¥148.4B
ProfitabilityInvestors
Sumitomo Seika aheadAsahi Kasei 1 : Sumitomo Seika 2
Operating margin: Asahi Kasei 7.5% / Sumitomo Seika 9.7%
GrowthInvestors
EvenAsahi Kasei 1 : Sumitomo Seika 1
Revenue growth (YoY): Asahi Kasei +1.2% / Sumitomo Seika +0.5%
Stock & balance sheetInvestors
Sumitomo Seika aheadAsahi Kasei 0 : Sumitomo Seika 2
Share price, 1 year: Asahi Kasei +36.0% / Sumitomo Seika +55.1%
Pay & workforceJob seekers
Asahi Kasei aheadAsahi Kasei 2 : Sumitomo Seika 1
Average salary: Asahi Kasei ¥8.00M / Sumitomo Seika ¥6.85M
| Metric | Asahi Kasei | Sumitomo Seika | Gap |
|---|---|---|---|
| Revenue | ◎¥3.1T | ¥148.4B | 20.7x |
| Operating profit | ◎¥231.2B | ¥14.5B | 16.0x |
| Net income | ◎¥158.8B | ¥7.7B | 20.7x |
| Metric | Asahi Kasei | Sumitomo Seika | Gap |
|---|---|---|---|
| Operating margin | 7.5% | ◎9.7% | 2.2pt |
| Net margin | 5.2% | ◎5.2% | 0.0pt |
| ROE | — | 7.8% | |
| Revenue per employee | ◎¥371M | ¥143M | 2.6x |
| Metric | Asahi Kasei | Sumitomo Seika | Gap |
|---|---|---|---|
| Revenue growth (YoY) | ◎+1.2% | +0.5% | 0.7pt |
| Operating profit growth (YoY) | +9.1% | ◎+35.0% | 25.9pt |
| Revenue CAGRlast 5 years | +7.9% | — | |
| Guidance: revenue growthnext FY plan | +5.8% | — | |
| Guidance: op. profit growthnext FY plan | +7.3% | — |
| Metric | Asahi Kasei | Sumitomo Seika | Gap |
|---|---|---|---|
| Share price, 1 year | +36.0% | ◎+55.1% | 19.1pt |
| Share price, 3 months | −11.4% | ◎+19.0% | 30.4pt |
| P/E (trailing)lower = cheaper | — | 12.4x | |
| Equity ratio | — | 67.8% | |
| Share price (close) | ¥1,604.5 | ¥1,458 |
◎ marks the best value for each metric. Revenue and profit are from the latest full-year earnings release; share prices are closing-price references; P/E = latest close ÷ trailing EPS. For banks and some other financials, revenue means ordinary income.
| Metric | Asahi Kasei | Sumitomo Seika | Gap |
|---|---|---|---|
| Average salary | ◎¥8.00M | ¥6.85M | ¥1.15M |
| Starting salary (monthly) | ◎¥271,120 | ¥255,000 | ¥16,120 |
| Average tenure | 14.8 yrs | ◎15.6 yrs | 0.8 |
| Average age | 41.8 | 38.5 | 3.3 |
| Employees | 8,288 | 1,038 | 8.0x |
Average salary is for the reporting (parent) company and is affected by average age and job mix. Holding companies with few employees are left out of the salary comparison.
Close (Oct 30, 2026)
¥1,604.5+36.0% (1Y)
Asahi Kasei +36.0% over 1Y. Compared: Sumitomo Seika +55.1%.
Reference chart of daily closing prices, not real-time quotes (split-adjusted; weekly closes before the last year). Each line shows the % change from the start of the period. Updated Oct 30, 2026.
Asahi Kasei3 segments
Sumitomo Seika3 segments
AAverage annual salary from the securities filings: Asahi Kasei ¥8.00M, Sumitomo Seika ¥6.85M. Asahi Kasei pays the most. Averages also depend on staff age and job mix, so check the average age too (Asahi Kasei 41.8, Sumitomo Seika 38.5).
ARevenue in the latest results: Asahi Kasei ¥3.1T, Sumitomo Seika ¥148.4B. Asahi Kasei is the bigger company, with revenue of ¥3.1T — 20.7x Sumitomo Seika's ¥148.4B.
AOperating margins: Sumitomo Seika 9.7%, Asahi Kasei 7.5%. Sumitomo Seika turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): Sumitomo Seika +55.1%, Asahi Kasei +36.0%. Sumitomo Seika has risen the most.
Comparing 2 companies (up to 4)
Sources: earnings releases (kessan tanshin), annual securities reports and other public information. Share prices are closing-price references, not real-time. Our data may contain errors; investment decisions are your own responsibility.
