Prices as of 2026/10/30 close
Company comparison


Shimadzu is the bigger company, with revenue of ¥560.7B — 10.2x Riken Keiki's ¥55.2B.
Riken Keiki earns more on each yen of sales, with an operating margin of 22.5% — 9.4 points above Shimadzu (13.1%).
Revenue growth in the latest results: Riken Keiki +12.6%, Shimadzu +4.0%. For next year, Shimadzu guides for the fastest operating profit growth (+3.1%).
Shimadzu pays more on average — ¥9.24M against ¥7.48M at Riken Keiki.
Over the past year the shares moved Shimadzu +8.6%, Riken Keiki −2.5%.
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
Shimadzu aheadShimadzu 3 : Riken Keiki 0
Revenue: Shimadzu ¥560.7B / Riken Keiki ¥55.2B
ProfitabilityInvestors
Riken Keiki aheadShimadzu 1 : Riken Keiki 2
Operating margin: Shimadzu 13.1% / Riken Keiki 22.5%
GrowthInvestors
Riken Keiki aheadShimadzu 1 : Riken Keiki 3
Revenue growth (YoY): Shimadzu +4.0% / Riken Keiki +12.6%
Stock & balance sheetInvestors
Shimadzu aheadShimadzu 2 : Riken Keiki 0
Share price, 1 year: Shimadzu +8.6% / Riken Keiki −2.5%
Pay & workforceJob seekers
Shimadzu aheadShimadzu 2 : Riken Keiki 1
Average salary: Shimadzu ¥9.24M / Riken Keiki ¥7.48M
| Metric | Shimadzu | Riken Keiki | Gap |
|---|---|---|---|
| Revenue | ◎¥560.7B | ¥55.2B | 10.2x |
| Operating profit | ◎¥73.7B | ¥12.4B | 5.9x |
| Net income | ◎¥60.5B | ¥10.0B | 6.1x |
| Metric | Shimadzu | Riken Keiki | Gap |
|---|---|---|---|
| Operating margin | 13.1% | ◎22.5% | 9.4pt |
| Net margin | 10.8% | ◎18.0% | 7.2pt |
| ROE | — | 12.2% | |
| Revenue per employee | ◎¥148M | ¥48M | 3.1x |
| Metric | Shimadzu | Riken Keiki | Gap |
|---|---|---|---|
| Revenue growth (YoY) | +4.0% | ◎+12.6% | 8.6pt |
| Operating profit growth (YoY) | +2.8% | ◎+16.8% | 14.0pt |
| Revenue CAGRlast 5 years | +7.3% | — | |
| Guidance: revenue growthnext FY plan | +2.5% | ◎+8.7% | 6.1pt |
| Guidance: op. profit growthnext FY plan | ◎+3.1% | +2.2% | 0.9pt |
| Metric | Shimadzu | Riken Keiki | Gap |
|---|---|---|---|
| Share price, 1 year | ◎+8.6% | −2.5% | 11.1pt |
| Share price, 3 months | ◎+8.6% | +3.6% | 5.0pt |
| P/E (trailing)lower = cheaper | — | 16.0x | |
| Equity ratio | — | 84.5% | |
| Share price (close) | ¥4,476 | ¥3,480 |
◎ 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 | Shimadzu | Riken Keiki | Gap |
|---|---|---|---|
| Average salary | ◎¥9.24M | ¥7.48M | ¥1.76M |
| Starting salary (monthly) | ¥284,000 | ◎¥300,000 | ¥16,000 |
| Average tenure | ◎18.5 yrs | 15.4 yrs | 3.1 |
| Average age | 43.9 | 40.4 | 3.5 |
| Employees | 3,779 | 1,147 | 3.3x |
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)
¥4,476+8.6% (1Y)
Shimadzu +8.6% over 1Y. Compared: Riken Keiki -2.5%.
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.
Shimadzu4 segments
Riken Keiki1 segments
AAverage annual salary from the securities filings: Shimadzu ¥9.24M, Riken Keiki ¥7.48M. Shimadzu pays the most. Averages also depend on staff age and job mix, so check the average age too (Shimadzu 43.9, Riken Keiki 40.4).
ARevenue in the latest results: Shimadzu ¥560.7B, Riken Keiki ¥55.2B. Shimadzu is the bigger company, with revenue of ¥560.7B — 10.2x Riken Keiki's ¥55.2B.
AOperating margins: Riken Keiki 22.5%, Shimadzu 13.1%. Riken Keiki turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): Shimadzu +8.6%, Riken Keiki −2.5%. Shimadzu 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.