Ribomic (TSE:4591) Cyclically Adjusted PB Ratio: 0.50 (As of Jul. 14, 2026) — 14% Below Median

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

TSE:4591 Ribomic Inc TSE:4591
25 GF Score
Price 円71.00
! 3 Warning Signs
View Full Analysis

What is Ribomic Cyclically Adjusted PB Ratio?

Ribomic TSE:4591 -2.74% 25 Cyclically Adjusted PB Ratio is 0.50 as of Jul. 14, 2026, which is 14% below its 10-year median of 0.58. GuruFocus rates TSE:4591 with a GF Score™ of 25/100. The stock has 3 warning signs investors should review. Among 697 Biotechnology companies, Ribomic ranks better than 75.32% on this metric.

As of today (2026-07-14), Ribomic's current share price is 円71.00. Ribomic's Cyclically Adjusted Book per Share for the fiscal year that ended in Mar26 was 円142.40. Ribomic's Cyclically Adjusted PB Ratio for today is 0.50.

The historical rank and industry rank for Ribomic's Cyclically Adjusted PB Ratio or its related term are showing as below:

TSE:4591' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.41   Med: 0.58   Max: 1.15
Current: 0.52

During the past 13 years, Ribomic's highest Cyclically Adjusted PB Ratio was 1.15. The lowest was 0.41. And the median was 0.58.

TSE:4591's Cyclically Adjusted PB Ratio is ranked better than
75.32% of 697 companies
in the Biotechnology industry
Industry Median: 1.62 vs TSE:4591: 0.52

The Shiller PE Ratio was first used by professor Robert Shiller. He uses E10 for his Shiller PE Ratio calculation. E10 is the average of the inflation adjusted earnings per share of a company over the past 10 years. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio. The Cyclically Adjusted Book per Share is the average of the inflation adjusted book value per share of a company over the past 10 years.

Ribomic's adjusted book value per share data of for the fiscal year that ended in Mar26 was 円52.314. Add all the adjusted book value per share for the past 10 years together and divide the count will get our Cyclically Adjusted Book per Share, which is 円142.40 for the trailing ten years ended in Mar26.

Shiller PE for Stocks: The True Measure of Stock Valuation


Ribomic  (TSE:4591) Cyclically Adjusted PB Ratio Explanation

Compared with the regular PB Ratio, which works poorly for cyclical businesses, the Cyclically Adjusted PB Ratio smoothed out the fluctuations of book value during business cycles. Therefore it is more accurate in reflecting the valuation of the company.

If a company has consistent business performance, the Cyclically Adjusted PB Ratio should give similar results to regular PB Ratio.


Ribomic Cyclically Adjusted PB Ratio Related Terms


Ribomic Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Ribomic's Cyclically Adjusted 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.

Ribomic Cyclically Adjusted PB Ratio Chart

Ribomic Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 1.13 0.53 0.61 0.62

Ribomic Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
Cyclically Adjusted PB Ratio Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.53 0.43 0.61 0.00 0.62

TSE:4591 vs VRTX, REGN, ALNY: Cyclically Adjusted PB Ratio Comparison

For the Biotechnology subindustry, Ribomic's Cyclically Adjusted PB Ratio, along with its competitors' market caps and Cyclically Adjusted 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.


Ribomic Cyclically Adjusted PB Ratio vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Ribomic's Cyclically Adjusted PB Ratio distribution charts can be found below:

* The bar in red indicates where Ribomic's Cyclically Adjusted PB Ratio falls into.


TSE:4591
25GF Score
Ribomic Inc TSE:4591
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Ribomic Cyclically Adjusted PB Ratio Calculation

Like the Shiller PE Ratio, the Cyclically Adjusted PB Ratio takes the Book Value per Share from the past 10 years, adjusts it for inflation, and then calculates the average. This average is then used for the P/B calculation. Because it considers this 10-year average, it's often referred to as the CAPB Ratio.

The Shiller PE Ratio was first used by professor Robert Shiller to measure the valuation of the overall market. The similar calculation is applied by GuruFocus to calculate the Cyclically Adjusted PB Ratio.

Ribomic's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=71.00/142.40
=0.50

* 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.

Ribomic's Cyclically Adjusted Book per Share for the fiscal year that ended in Mar26 is calculated as:

For example, Ribomic's adjusted Book Value per Share data for the fiscal year that ended in Mar26 was:

Adj_Book=Book Value per Share/CPI of Mar26 (Change)*Current CPI (Mar26)
=52.314/112.7000*112.7000
=52.314

Current CPI (Mar26) = 112.7000.

Ribomic Annual Data

Book Value per Share CPI Adj_Book
201703 183.553 98.100 210.871
201803 156.700 99.200 178.025
201903 103.059 99.700 116.497
202003 124.228 100.300 139.586
202103 215.081 99.900 242.639
202203 164.360 101.100 183.218
202303 122.852 104.400 132.619
202403 94.199 107.200 99.032
202503 68.258 111.100 69.241
202603 52.314 112.700 52.314

Add all the adjusted book value per share together and divide the count will get our Cyclically Adjusted Book per Share.

Please note that we use the CPI data of the country/region where the company is headquartered. If the CPI data for that country/region is not available, then we will use the CPI data of the United States as default.

What does a Cyclically Adjusted PB Ratio of 0.50 mean?
Ribomic (TSE:4591) has a Cyclically Adjusted PB Ratio of 0.50 as of Jul. 14, 2026. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Ribomic and its competitors. This is 14% below median its historical median of 0.58. Over the past decade, Ribomic's Cyclically Adjusted PB Ratio has ranged from 0.41 to 1.15. According to the industry distribution chart, Ribomic ranks #172 out of 697 companies in the Biotechnology industry, placing it in the top 24.7%.
Is Ribomic's Cyclically Adjusted PB Ratio too high?
Ribomic's current Cyclically Adjusted PB Ratio of 0.50 is 14% below median its 10-year median of 0.58. Over the past 10 years, this metric has ranged from a low of 0.41 to a high of 1.15. The Biotechnology industry median Cyclically Adjusted PB Ratio is 1.62. Ribomic's value of 0.50 is 69.1% below this industry median. Based on the distribution chart, Ribomic ranks #172 out of 697 companies in the Biotechnology industry, which is in the top quartile — a strong position relative to peers. Overall, Ribomic has a GF Score™ of 25/100, reflecting its overall financial health beyond just this single metric.
How does Ribomic's Cyclically Adjusted PB Ratio compare to VRTX and REGN?
According to the Biotechnology industry distribution chart, Ribomic ranks #172 out of 697 companies for Cyclically Adjusted PB Ratio. This places Ribomic in the top 25% of its industry — outperforming the majority of peers. The industry median Cyclically Adjusted PB Ratio is 1.62. Ribomic's value of 0.50 is 69.1% below this benchmark. Historically, Ribomic's own Cyclically Adjusted PB Ratio has ranged from 0.41 to 1.15 over the past decade. While the company's 10-year median is 0.58 vs. the industry median of 1.62, Ribomic 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 Cyclically Adjusted PB Ratio for a Biotechnology company?
The median Cyclically Adjusted PB Ratio among Biotechnology companies is 1.62, based on 697 companies in the industry. Companies in the top quartile (top 25%) have a Cyclically Adjusted PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, Cyclically Adjusted PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Ribomic's current Cyclically Adjusted PB Ratio of 0.50 is 69.1% 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 Cyclically Adjusted PB Ratio mean?
A high Cyclically Adjusted PB Ratio can signal that a stock is expensive relative to its fundamentals. Cyclically Adjusted PB Ratio is the ratio of share price to a company's inflation-adjusted book value per share over a 10-year period. View historical data on Ribomic and its competitors. For the Biotechnology industry, the median Cyclically Adjusted PB Ratio is 1.62 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Ribomic's current Cyclically Adjusted PB Ratio is 0.50, which is 14% below median its own 10-year median of 0.58. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Ribomic stock overvalued right now?
Ribomic (TSE:4591) has a current Cyclically Adjusted PB Ratio of 0.50. The current Cyclically Adjusted PB Ratio is 0.50, which is 14% below median its 10-year median of 0.58 and 69.1% below the Biotechnology industry median of 1.62. Ribomic's overall GF Score™ is 25/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Cyclically Adjusted PB Ratio calculated?
Cyclically Adjusted PB Ratio is calculated from a company's financial statements. For Ribomic (TSE:4591), the current Cyclically Adjusted PB Ratio is 0.50 as of Jul. 14, 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.

Ribomic Business Description

Address 3-16-13 Usui Building, Shirokanedai, Minato-ku, Tokyo, JPN, 108-0071
Ribomic Inc is a biopharmaceutical venture company based in Tokyo. The company is developing molecular targeted pharmaceutical drugs using RNA aptamers with its unique and advanced platform technologies, the RiboART System.
25GF Score

Get the complete analysis for TSE:4591

Cyclically Adjusted PB Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

円71.00
Price