Kidswell BioTSE:4584 +1.96%48 PB Ratio is 4.68 as of Jul. 05, 2026, which is 28% below its 10-year median of 6.51. GuruFocus rates TSE:4584 with a GF Score™ of 48/100 and a GF Value™ of 円233.48 (Possible Value Trap). The stock has 8 warning signs investors should review. Among 1,230 Biotechnology companies, Kidswell Bio ranks worse than 67.15% 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 (2026-07-05), Kidswell Bio's share price is 円156.00. Kidswell Bio's Book Value per Share for the quarter that ended in Mar. 2026 was 円33.33. Hence, Kidswell Bio's PB Ratio of today is 4.68.
The historical rank and industry rank for Kidswell Bio's PB Ratio or its related term are showing as below:
TSE:4584'
s PB Ratio Range Over the Past 10 Years
Min: 3 Med: 6.51 Max: 24.97
Current: 4.68
During the past 13 years, Kidswell Bio's highest PB Ratio was 24.97. The lowest was 3.00. And the median was 6.51.
TSE:4584's PB Ratio is ranked worse than 67.15% of 1230
companies
in the Biotechnology industry
Industry Median: 2.98
vs TSE:4584: 4.68
During the past 12 months, Kidswell Bio's average Book Value Per Share Growth Rate was 3.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -4.70% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was -12.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was -12.90% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Kidswell Bio was 68.90% per year. The lowest was -33.50% per year. And the median was -14.75% 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.
Kidswell Bio PB Ratio Related Terms
Kidswell Bio PB Ratio Historical Data
* Premium members only.
The historical data trend for Kidswell Bio'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, Kidswell Bio'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.
Kidswell Bio PB Ratio vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Kidswell Bio's PB Ratio distribution charts can be found below:
* The bar in red indicates where Kidswell Bio'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.
Kidswell Bio'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.
Kidswell Bio (TSE:4584) has a PB Ratio of 4.68 as of Jul. 05, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Kidswell Bio and its competitors. This is 28% below median its historical median of 6.51. Over the past decade, Kidswell Bio's PB Ratio has ranged from 3.00 to 24.97. According to the industry distribution chart, Kidswell Bio ranks #826 out of 1230 companies in the Biotechnology industry, placing it in the top 67.2%.
Is Kidswell Bio's PB Ratio too high?
Kidswell Bio's current PB Ratio of 4.68 is 28% below median its 10-year median of 6.51. Over the past 10 years, this metric has ranged from a low of 3.00 to a high of 24.97. The Biotechnology industry median PB Ratio is 2.98. Kidswell Bio's value of 4.68 is 57% above this industry median. Based on the distribution chart, Kidswell Bio ranks #826 out of 1230 companies in the Biotechnology industry, which is below the industry midpoint. Overall, Kidswell Bio has a GF Score™ of 48/100 and is considered Possible Value Trap, reflecting its overall financial health beyond just this single metric.
How does Kidswell Bio's PB Ratio compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Kidswell Bio ranks #826 out of 1230 companies for PB Ratio. This places Kidswell Bio in the lower half of its industry. The industry median PB Ratio is 2.98. Kidswell Bio's value of 4.68 is 57% above this benchmark. Historically, Kidswell Bio's own PB Ratio has ranged from 3.00 to 24.97 over the past decade. While the company's 10-year median is 6.51 vs. the industry median of 2.98, Kidswell Bio has consistently been above 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 Biotechnology company?
The median PB Ratio among Biotechnology companies is 2.98, based on 1,230 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. Kidswell Bio's current PB Ratio of 4.68 is 57% above 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 Kidswell Bio and its competitors. For the Biotechnology industry, the median PB Ratio is 2.98 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Kidswell Bio's current PB Ratio is 4.68, which is 28% below median its own 10-year median of 6.51. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Kidswell Bio stock overvalued right now?
Based on GuruFocus' analysis, Kidswell Bio (TSE:4584) is currently considered Possible Value Trap. The stock's GF Value™ is 円233.48, compared to a current price of 円156.00 — trading 33.2% below its estimated fair value. The current PB Ratio is 4.68, which is 28% below median its 10-year median of 6.51 and 57% above the Biotechnology industry median of 2.98. Kidswell Bio's overall GF Score™ is 48/100 with 8 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 Kidswell Bio (TSE:4584), the current PB Ratio is 4.68 as of Jul. 05, 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 Kidswell Bio (TSE:4584) Overvalued in 2026?
Based on GuruFocus' analysis, Kidswell Bio stock appears to be undervalued.
The current stock price of 円156.00 is trading 33.2% below its estimated GF Value™ of 円233.48.
GuruFocus considers Kidswell Bio to be Possible Value Trap.
Key valuation signals for TSE:4584:
PB Ratio: 4.68 (28% below median its 10-year median of 6.51)
GF Value™: 円233.48 vs. price of 円156.00 (33.2% below fair value)
Industry Position: 57% above the Biotechnology median (#826 of 1230)
No single metric tells the full story. See the TSE:4584 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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