TMS CoTSE:4891 -0.96%32 PB Ratio is 1.69 as of Jul. 09, 2026. GuruFocus rates TSE:4891 with a GF Score™ of 32/100. The stock has 1 warning sign investors should review. Among 1,226 Biotechnology companies, TMS Co ranks better than 69.17% 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 (2026-07-09), TMS Co's share price is 円103.00. TMS Co's Book Value per Share for the quarter that ended in Dec. 2025 was 円60.92. Hence, TMS Co's PB Ratio of today is 1.69.
The historical rank and industry rank for TMS Co's PB Ratio or its related term are showing as below:
TSE:4891'
s PB Ratio Range Over the Past 10 Years
Min: 0 Med: 0 Max: 1.77
Current: 1.69
During the past 5 years, TMS Co's highest PB Ratio was 1.77. The lowest was 0.00. And the median was 0.00.
TSE:4891's PB Ratio is ranked better than 69.17% of 1226
companies
in the Biotechnology industry
Industry Median: 2.89
vs TSE:4891: 1.69
During the past 12 months, TMS Co's average Book Value Per Share Growth Rate was -18.60% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 1.30% per year.
During the past 5 years, the highest 3-Year average Book Value Per Share Growth Rate of TMS Co was 40.60% per year. The lowest was 1.30% per year. And the median was 20.95% 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.
TMS Co PB Ratio Related Terms
TMS Co PB Ratio Historical Data
* Premium members only.
The historical data trend for TMS 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 Biotechnology subindustry, TMS 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.
TMS Co PB Ratio vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, TMS Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where TMS 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.
TMS 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.
TMS Co (TSE:4891) has a PB Ratio of 1.69 as of Jul. 09, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on TMS Co and its competitors. According to the industry distribution chart, TMS Co ranks #378 out of 1226 companies in the Biotechnology industry, placing it in the top 30.8%.
Is TMS Co's PB Ratio too high?
TMS Co's current PB Ratio is 1.69. The Biotechnology industry median PB Ratio is 2.89. TMS Co's value of 1.69 is 41.5% below this industry median. Based on the distribution chart, TMS Co ranks #378 out of 1226 companies in the Biotechnology industry, which is above the industry midpoint. Overall, TMS Co has a GF Score™ of 32/100, reflecting its overall financial health beyond just this single metric.
How does TMS Co's PB Ratio compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, TMS Co ranks #378 out of 1226 companies for PB Ratio. This puts TMS Co in the upper half of its industry. The industry median PB Ratio is 2.89. TMS Co's value of 1.69 is 41.5% below this benchmark. 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 Biotechnology company?
The median PB Ratio among Biotechnology companies is 2.89, based on 1,226 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. TMS Co's current PB Ratio of 1.69 is 41.5% 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 TMS Co and its competitors. For the Biotechnology industry, the median PB Ratio is 2.89 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. TMS Co's current PB Ratio is 1.69. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is TMS Co stock overvalued right now?
TMS Co (TSE:4891) has a current PB Ratio of 1.69. The current PB Ratio is 1.69 and 41.5% below the Biotechnology industry median of 2.89. TMS Co's overall GF Score™ is 32/100 with 1 warning sign 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 TMS Co (TSE:4891), the current PB Ratio is 1.69 as of Jul. 09, 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.
TMS Co Ltd is focused on researching, developing, manufacturing, and selling pharmaceuticals. The company is involved in conducting research and development of SMTP compounds, which are drug candidate substances targeting soluble epoxide hydrolase (sEH), an enzyme found in the human body. It is developing sEH inhibitors for various inflammatory diseases. The company's clinical pipeline comprises three compounds: TMS-007 (being developed as a potential treatment for acute cerebral infarction), which is in the late clinical stage, TMS-010, and JX09 (for resistant and poorly controlled hypertension) and TMS-008 (to target acute inflammatory diseases such as kidney injury and cancer cachexia), which are in the early clinical stage. In addition, it has TMS-009 as a backup compound for TMS-008.
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