Prices as of 2026/10/30 close
Company comparison · Semiconductor Materials
SUMCO is the bigger company, with revenue of ¥409.7B — 1.9x Mitsui High-tec's ¥218.3B.
Mitsui High-tec earns more on each yen of sales, with an operating margin of 5.8% — 5.5 points above SUMCO (0.3%).
Revenue growth in the latest results: SUMCO +3.3%, Mitsui High-tec +1.6%.
Mitsui High-tec pays more on average — ¥6.87M against ¥6.67M at SUMCO.
Over the past year the shares moved SUMCO +45.9%, Mitsui High-tec +10.8%.
Head-to-head wins15 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
Mitsui High-tec aheadSUMCO 1 : Mitsui High-tec 2
Revenue: SUMCO ¥409.7B / Mitsui High-tec ¥218.3B
ProfitabilityInvestors
Mitsui High-tec aheadSUMCO 0 : Mitsui High-tec 3
Operating margin: SUMCO 0.3% / Mitsui High-tec 5.8%
GrowthInvestors
Mitsui High-tec aheadSUMCO 1 : Mitsui High-tec 2
Revenue growth (YoY): SUMCO +3.3% / Mitsui High-tec +1.6%
Stock & balance sheetInvestors
SUMCO aheadSUMCO 2 : Mitsui High-tec 1
Share price, 1 year: SUMCO +45.9% / Mitsui High-tec +10.8%
Pay & workforceJob seekers
SUMCO aheadSUMCO 2 : Mitsui High-tec 1
Average salary: SUMCO ¥6.67M / Mitsui High-tec ¥6.87M
| Metric | SUMCO | Mitsui High-tec | Gap |
|---|---|---|---|
| Revenue | ◎¥409.7B | ¥218.3B | 1.9x |
| Operating profit | ¥1.3B | ◎¥12.7B | 9.4x |
| Net income | −¥11.8B | ◎¥3.2B |
| Metric | SUMCO | Mitsui High-tec | Gap |
|---|---|---|---|
| Operating margin | 0.3% | ◎5.8% | 5.5pt |
| Net margin | −2.9% | ◎1.4% | 4.3pt |
| ROE | — | 2.8% | |
| Revenue per employee | ¥82M | ◎¥93M | 1.1x |
| Metric | SUMCO | Mitsui High-tec | Gap |
|---|---|---|---|
| Revenue growth (YoY) | ◎+3.3% | +1.6% | 1.7pt |
| Operating profit growth (YoY) | −96.4% | ◎−21.0% | 75.4pt |
| Revenue CAGRlast 4 years | +5.1% | ◎+11.9% | 6.8pt |
| Guidance: revenue growthnext FY plan | — | +6.7% | |
| Guidance: op. profit growthnext FY plan | — | −13.1% |
| Metric | SUMCO | Mitsui High-tec | Gap |
|---|---|---|---|
| Share price, 1 year | ◎+45.9% | +10.8% | 35.1pt |
| Share price, 3 months | −18.7% | ◎+0.7% | 19.4pt |
| P/E (trailing)lower = cheaper | — | 49.3x | |
| Equity ratio | ◎57.4% | 47.1% | 10.3pt |
| Share price (close) | ¥2,321.5 | ¥851 |
◎ 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 | SUMCO | Mitsui High-tec | Gap |
|---|---|---|---|
| Average salary | ¥6.67M | ◎¥6.87M | ¥0.20M |
| Starting salary (monthly) | ◎¥275,000 | ¥264,000 | ¥11,000 |
| Average tenure | ◎13.6 yrs | 13.4 yrs | 0.2 |
| Average age | 42.6 | 39.1 | 3.5 |
| Employees | 4,992 | 2,357 | 2.1x |
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)
¥2,321.5+45.9% (1Y)
SUMCO +45.9% over 1Y. Compared: Mitsui High-tec +10.8%.
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.
AAverage annual salary from the securities filings: Mitsui High-tec ¥6.87M, SUMCO ¥6.67M. Mitsui High-tec pays the most. Averages also depend on staff age and job mix, so check the average age too (SUMCO 42.6, Mitsui High-tec 39.1).
ARevenue in the latest results: SUMCO ¥409.7B, Mitsui High-tec ¥218.3B. SUMCO is the bigger company, with revenue of ¥409.7B — 1.9x Mitsui High-tec's ¥218.3B.
AOperating margins: Mitsui High-tec 5.8%, SUMCO 0.3%. Mitsui High-tec turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): SUMCO +45.9%, Mitsui High-tec +10.8%. SUMCO 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.