Prices as of 2026/10/30 close
Company comparison · Detached-Home Builders
Sumitomo Forestry is the largest by revenue at ¥2.3T, followed by Iida Group (¥1.5T), Open House (¥1.3T) and Tama Home (¥197.7B).
Open House has the highest operating margin at 10.9%, 9.0 points above the lowest, Tama Home (1.9%).
Revenue growth in the latest results: Sumitomo Forestry +10.4%, Iida Group +3.4%, Open House +3.1%, Tama Home −1.5%. For next year, Tama Home guides for the fastest operating profit growth (+95.2%).
Sumitomo Forestry pays the most on average (¥9.32M), ¥2.15M more than Tama Home (¥7.17M).
Over the past year the shares moved Open House +4.7%, Iida Group −10.2%, Sumitomo Forestry −24.0%, Tama Home −26.7%.
Head-to-head wins18 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
Sumitomo Forestry aheadSumitomo Forestry 3 : Iida Group 0 : Open House 0 : Tama Home 0
Revenue: Sumitomo Forestry ¥2.3T / Iida Group ¥1.5T / Open House ¥1.3T / Tama Home ¥197.7B
ProfitabilityInvestors
Open House aheadSumitomo Forestry 0 : Iida Group 1 : Open House 3 : Tama Home 0
Operating margin: Sumitomo Forestry 7.4% / Iida Group 6.3% / Open House 10.9% / Tama Home 1.9%
GrowthInvestors
EvenSumitomo Forestry 1 : Iida Group 0 : Open House 2 : Tama Home 2
Revenue growth (YoY): Sumitomo Forestry +10.4% / Iida Group +3.4% / Open House +3.1% / Tama Home −1.5%
Stock & balance sheetInvestors
Sumitomo Forestry aheadSumitomo Forestry 2 : Iida Group 0 : Open House 1 : Tama Home 0
Share price, 1 year: Sumitomo Forestry −24.0% / Iida Group −10.2% / Open House +4.7% / Tama Home −26.7%
Pay & workforceJob seekers
Sumitomo Forestry aheadSumitomo Forestry 2 : Iida Group 0 : Open House 1 : Tama Home 0
Average salary: Sumitomo Forestry ¥9.32M / Iida Group ¥7.55M / Open House ¥9.14M / Tama Home ¥7.17M
| Metric | Sumitomo Forestry | Iida Group | Open House | Tama Home |
|---|---|---|---|---|
| Revenue | ◎¥2.3T | ¥1.5T | ¥1.3T | ¥197.7B |
| Operating profit | ◎¥168.7B | ¥94.4B | ¥145.9B | ¥3.8B |
| Net income | ◎¥106.7B | ¥63.3B | ¥100.7B | ¥1.2B |
| Metric | Sumitomo Forestry | Iida Group | Open House | Tama Home |
|---|---|---|---|---|
| Operating margin | 7.4% | 6.3% | ◎10.9% | 1.9% |
| Net margin | 4.7% | 4.2% | ◎7.5% | 0.6% |
| ROE | 11.1% | — | ◎20.1% | — |
| Revenue per employee | ¥425M | ◎¥12.7B | ¥4.4B | ¥63M |
| Metric | Sumitomo Forestry | Iida Group | Open House | Tama Home |
|---|---|---|---|---|
| Revenue growth (YoY) | ◎+10.4% | +3.4% | +3.1% | −1.5% |
| Operating profit growth (YoY) | −13.3% | +17.4% | ◎+22.5% | −6.6% |
| Revenue CAGRlast 4 years | +13.1% | +0.7% | ◎+13.3% | −1.9% |
| Guidance: revenue growthnext FY plan | +14.2% | +10.2% | +11.1% | ◎+16.3% |
| Guidance: op. profit growthnext FY plan | −6.9% | +9.7% | +16.5% | ◎+95.2% |
| Metric | Sumitomo Forestry | Iida Group | Open House | Tama Home |
|---|---|---|---|---|
| Share price, 1 year | −24.0% | −10.2% | ◎+4.7% | −26.7% |
| Share price, 3 months | ◎−8.7% | −10.3% | −11.0% | −14.1% |
| P/E (trailing)lower = cheaper | 7.2x | — | 8.8x | — |
| Equity ratio | ◎44.2% | — | 38.2% | — |
| Share price (close) | ¥1,262 | ¥2,097.5 | ¥7,719 | ¥2,650 |
◎ 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 | Sumitomo Forestry | Iida Group | Open House | Tama Home |
|---|---|---|---|---|
| Average salary | ◎¥9.32M | ¥7.55M | ¥9.14M | ¥7.17M |
| Starting salary (monthly) | ¥320,000 | ¥270,000 | ◎¥360,000 | ¥210,000 |
| Average tenure | ◎16.3 yrs | 4.5 yrs | 4.5 yrs | 8.5 yrs |
| Average age | 44.3 | 44.6 | 34.7 | 41.3 |
| Employees | 5,341 | 119 | 307 | 3,126 |
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)
¥1,262-24.0% (1Y)
Sumitomo Forestry -24.0% over 1Y. Compared: Iida Group -10.2%, Open House +4.7%, Tama Home -26.7%.
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.
Sumitomo Forestry5 segments
Iida Group6 segments
Open House5 segments
Tama Home4 segments
AAverage annual salary from the securities filings: Sumitomo Forestry ¥9.32M, Open House ¥9.14M, Iida Group ¥7.55M, Tama Home ¥7.17M. Sumitomo Forestry pays the most. Averages also depend on staff age and job mix, so check the average age too (Sumitomo Forestry 44.3, Iida Group 44.6, Open House 34.7, Tama Home 41.3).
ARevenue in the latest results: Sumitomo Forestry ¥2.3T, Iida Group ¥1.5T, Open House ¥1.3T, Tama Home ¥197.7B. Sumitomo Forestry is the largest by revenue at ¥2.3T, followed by Iida Group (¥1.5T), Open House (¥1.3T) and Tama Home (¥197.7B).
AOperating margins: Open House 10.9%, Sumitomo Forestry 7.4%, Iida Group 6.3%, Tama Home 1.9%. Open House turns the highest share of sales into operating profit.
AShare price change over the past year (closing prices, for reference): Open House +4.7%, Iida Group −10.2%, Sumitomo Forestry −24.0%, Tama Home −26.7%. Open House has risen the most.
Comparing 4 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.
