Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
EM Systems CoTSE:4820 +1.37%74 PB Ratio is 1.87 as of Jul. 16, 2026, which is 32% below its 10-year median of 2.77. GuruFocus rates TSE:4820 with a GF Score™ of 74/100 and a GF Value™ of 円752.74 (Significantly Undervalued). The stock has 4 warning signs investors should review. Among 610 Healthcare Providers & Services companies, EM Systems Co ranks better than 53.28% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-16), EM Systems Co's share price is 円517.00. EM Systems Co's Book Value per Share for the quarter that ended in Dec. 2025 was 円276.35. Hence, EM Systems Co's PB Ratio of today is 1.87.
Good Sign:
EM Systems Co Ltd stock PB Ratio (=1.82) is close to 10-year low of 1.65.
The historical rank and industry rank for EM Systems Co's PB Ratio or its related term are showing as below:
TSE:4820'
s PB Ratio Range Over the Past 10 Years
Min: 1.65 Med: 2.77 Max: 4.49
Current: 1.88
During the past 13 years, EM Systems Co's highest PB Ratio was 4.49. The lowest was 1.65. And the median was 2.77.
TSE:4820's PB Ratio is ranked better than 53.28% of 610
companies
in the Healthcare Providers & Services industry
Industry Median: 2.01
vs TSE:4820: 1.88
During the past 12 months, EM Systems Co's average Book Value Per Share Growth Rate was -1.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 2.20% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 3.70% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 6.50% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of EM Systems Co was 13.90% per year. The lowest was -4.50% per year. And the median was 7.70% per year.
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
EM Systems Co PB Ratio Related Terms
EM Systems Co PB Ratio Historical Data
* Premium members only.
The historical data trend for EM Systems Co's PB Ratio can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Health Information Services subindustry, EM Systems Co's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
EM Systems Co PB Ratio vs Healthcare Providers & Services Industry
For the Healthcare Providers & Services industry and Healthcare sector, EM Systems Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where EM Systems Co's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
EM Systems Co's PB Ratio for today is calculated as follows:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
EM Systems Co (TSE:4820) has a PB Ratio of 1.87 as of Jul. 16, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on EM Systems Co and its competitors. This is 32% below median its historical median of 2.77. Over the past decade, EM Systems Co's PB Ratio has ranged from 1.65 to 4.49. According to the industry distribution chart, EM Systems Co ranks #285 out of 610 companies in the Healthcare Providers & Services industry, placing it in the top 46.7%.
Is EM Systems Co's PB Ratio too high?
EM Systems Co's current PB Ratio of 1.87 is 32% below median its 10-year median of 2.77. Over the past 10 years, this metric has ranged from a low of 1.65 to a high of 4.49. The Healthcare Providers & Services industry median PB Ratio is 2.01. EM Systems Co's value of 1.87 is 7% below this industry median. Based on the distribution chart, EM Systems Co ranks #285 out of 610 companies in the Healthcare Providers & Services industry, which is above the industry midpoint. Overall, EM Systems Co has a GF Score™ of 74/100 and is considered Significantly Undervalued, reflecting its overall financial health beyond just this single metric.
How does EM Systems Co's PB Ratio compare to VEEV and BTSG?
According to the Healthcare Providers & Services industry distribution chart, EM Systems Co ranks #285 out of 610 companies for PB Ratio. This puts EM Systems Co in the upper half of its industry. The industry median PB Ratio is 2.01. EM Systems Co's value of 1.87 is 7% below this benchmark. Historically, EM Systems Co's own PB Ratio has ranged from 1.65 to 4.49 over the past decade. While the company's 10-year median is 2.77 vs. the industry median of 2.01, EM Systems Co has consistently been below the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PB Ratio for a Healthcare Providers & Services company?
The median PB Ratio among Healthcare Providers & Services companies is 2.01, based on 610 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. EM Systems Co's current PB Ratio of 1.87 is 7% below the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on EM Systems Co and its competitors. For the Healthcare Providers & Services industry, the median PB Ratio is 2.01 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. EM Systems Co's current PB Ratio is 1.87, which is 32% below median its own 10-year median of 2.77. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is EM Systems Co stock overvalued right now?
Based on GuruFocus' analysis, EM Systems Co (TSE:4820) is currently considered Significantly Undervalued. The stock's GF Value™ is 円752.74, compared to a current price of 円517.00 — trading 31.3% below its estimated fair value. The current PB Ratio is 1.87, which is 32% below median its 10-year median of 2.77 and 7% below the Healthcare Providers & Services industry median of 2.01. EM Systems Co's overall GF Score™ is 74/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For EM Systems Co (TSE:4820), the current PB Ratio is 1.87 as of Jul. 16, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is EM Systems Co (TSE:4820) Overvalued in 2026?
Based on GuruFocus' analysis, EM Systems Co stock appears to be undervalued.
The current stock price of 円517.00 is trading 31.3% below its estimated GF Value™ of 円752.74.
GuruFocus considers EM Systems Co to be Significantly Undervalued.
Key valuation signals for TSE:4820:
PB Ratio: 1.87 (32% below median its 10-year median of 2.77)
GF Value™: 円752.74 vs. price of 円517.00 (31.3% below fair value)
Industry Position: 7% below the Healthcare Providers & Services median (#285 of 610)
No single metric tells the full story. See the TSE:4820 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
EM Systems Co Ltd is a Japan-based company that develops, sells, and maintains systems for the medical (clinics and insurance pharmacies) and nursing/welfare industries. It operates its business in three divisions: Pharmacy System Business develops and sells systems for pharmacies, and provides related supplies and maintenance services; Medical system involved in the development and sales of medical office administration computer systems for medical institutions and clinics; Nursing Care/Welfare Systems Business products are systems for nursing care/welfare service providers and medical and nursing care collaboration solutions; Other businesses operates through its subsidiray that provides promotes cashless payments for clinics and pharmacies and Others services.
74GF Score
Get the complete analysis for TSE:4820
PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
TSE:4820 has been successfully added to your 
