Sutro Biopharma (FRA:S090) Cyclically Adjusted PB Ratio: 1.28 (As of Aug. 06, 2026) — 73% Above Median

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FRA:S090 Sutro Biopharma Inc FRA:S090
50 GF Score
Price €21.60
GF Value €9.51
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Sutro Biopharma Cyclically Adjusted PB Ratio?

Sutro Biopharma FRA:S090 50 Cyclically Adjusted PB Ratio is 1.28 as of Aug. 06, 2026, which is 73% above its 10-year median of 0.74. GuruFocus rates FRA:S090 with a GF Score™ of 50/100 and a GF Value™ of €9.51 (Significantly Overvalued). The stock has 4 warning signs investors should review. Among 695 Biotechnology companies, Sutro Biopharma ranks better than 58.13% on this metric.

As of today (2026-08-06), Sutro Biopharma's current share price is €21.60. Sutro Biopharma's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 was €16.94. Sutro Biopharma's Cyclically Adjusted PB Ratio for today is 1.28.

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

FRA:S090' s Cyclically Adjusted PB Ratio Range Over the Past 10 Years
Min: 0.5   Med: 0.74   Max: 1.16
Current: 1.15

During the past 10 years, Sutro Biopharma's highest Cyclically Adjusted PB Ratio was 1.16. The lowest was 0.50. And the median was 0.74.

FRA:S090's Cyclically Adjusted PB Ratio is ranked better than
58.13% of 695 companies
in the Biotechnology industry
Industry Median: 1.58 vs FRA:S090: 1.15

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.

Sutro Biopharma's adjusted book value per share data of for the fiscal year that ended in Dec25 was €-13.177. 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 €16.94 for the trailing ten years ended in Dec25.

Shiller PE for Stocks: The True Measure of Stock Valuation


Sutro Biopharma  (FRA:S090) 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.


Sutro Biopharma Cyclically Adjusted PB Ratio Related Terms


Sutro Biopharma Cyclically Adjusted PB Ratio Historical Data

* Premium members only.

The historical data trend for Sutro Biopharma'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.

Sutro Biopharma Cyclically Adjusted PB Ratio Chart

Sutro Biopharma Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Cyclically Adjusted PB Ratio
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.00 0.00 0.00 0.00 0.53

Sutro Biopharma Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 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 0.00 0.00 0.00 0.53 0.00

FRA:S090 vs AVIR, IPSC, CCCC: Cyclically Adjusted PB Ratio Comparison

For the Biotechnology subindustry, Sutro Biopharma'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.


Sutro Biopharma Cyclically Adjusted PB Ratio vs Biotechnology Industry

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

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


FRA:S090
50GF Score
Sutro Biopharma Inc FRA:S090
Cyclically Adjusted PB Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Sutro Biopharma 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.

Sutro Biopharma's Cyclically Adjusted PB Ratio for today is calculated as

Cyclically Adjusted PB Ratio=Share Price/ Cyclically Adjusted Book per Share
=21.60/16.94
=1.28

* 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.

Sutro Biopharma's Cyclically Adjusted Book per Share for the fiscal year that ended in Dec25 is calculated as:

For example, Sutro Biopharma's adjusted Book Value per Share data for the fiscal year that ended in Dec25 was:

Adj_Book=Book Value per Share/CPI of Dec25 (Change)*Current CPI (Dec25)
=-13.177/324.0540*324.0540
=-13.177

Current CPI (Dec25) = 324.0540.

Sutro Biopharma Annual Data

Book Value per Share CPI Adj_Book
201612 -38.887 241.432 -52.195
201712 -41.564 246.524 -54.636
201812 50.601 251.233 65.268
201912 38.100 256.974 48.046
202012 59.660 260.474 74.223
202112 48.245 278.802 56.076
202212 35.634 296.797 38.907
202312 22.493 306.746 23.762
202412 5.161 315.605 5.299
202512 -13.177 324.054 -13.177

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 1.28 mean?
Sutro Biopharma (FRA:S090) has a Cyclically Adjusted PB Ratio of 1.28 as of Aug. 06, 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 Sutro Biopharma and its competitors. This is 73% above median its historical median of 0.74. Over the past decade, Sutro Biopharma's Cyclically Adjusted PB Ratio has ranged from 0.50 to 1.16. According to the industry distribution chart, Sutro Biopharma ranks #291 out of 695 companies in the Biotechnology industry, placing it in the top 41.9%.
Is Sutro Biopharma's Cyclically Adjusted PB Ratio too high?
Sutro Biopharma's current Cyclically Adjusted PB Ratio of 1.28 is 73% above median its 10-year median of 0.74. Over the past 10 years, this metric has ranged from a low of 0.50 to a high of 1.16. The Biotechnology industry median Cyclically Adjusted PB Ratio is 1.58. Sutro Biopharma's value of 1.28 is 19% below this industry median. Based on the distribution chart, Sutro Biopharma ranks #291 out of 695 companies in the Biotechnology industry, which is above the industry midpoint. Overall, Sutro Biopharma has a GF Score™ of 50/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sutro Biopharma's Cyclically Adjusted PB Ratio compare to AVIR and IPSC?
According to the Biotechnology industry distribution chart, Sutro Biopharma ranks #291 out of 695 companies for Cyclically Adjusted PB Ratio. This puts Sutro Biopharma in the upper half of its industry. The industry median Cyclically Adjusted PB Ratio is 1.58. Sutro Biopharma's value of 1.28 is 19% below this benchmark. Historically, Sutro Biopharma's own Cyclically Adjusted PB Ratio has ranged from 0.50 to 1.16 over the past decade. While the company's 10-year median is 0.74 vs. the industry median of 1.58, Sutro Biopharma 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 1.58, based on 695 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. Sutro Biopharma's current Cyclically Adjusted PB Ratio of 1.28 is 19% 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 Sutro Biopharma and its competitors. For the Biotechnology industry, the median Cyclically Adjusted PB Ratio is 1.58 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sutro Biopharma's current Cyclically Adjusted PB Ratio is 1.28, which is 73% above median its own 10-year median of 0.74. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Sutro Biopharma stock overvalued right now?
Based on GuruFocus' analysis, Sutro Biopharma (FRA:S090) is currently considered Significantly Overvalued. The stock's GF Value™ is €9.51, compared to a current price of €21.60 — trading 127.1% above its estimated fair value. The current Cyclically Adjusted PB Ratio is 1.28, which is 73% above median its 10-year median of 0.74 and 19% below the Biotechnology industry median of 1.58. Sutro Biopharma's overall GF Score™ is 50/100 with 4 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 Sutro Biopharma (FRA:S090), the current Cyclically Adjusted PB Ratio is 1.28 as of Aug. 06, 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 Sutro Biopharma (FRA:S090) Overvalued in 2026?

Based on GuruFocus' analysis, Sutro Biopharma stock appears to be overvalued. The current stock price of €21.60 is trading 127.1% above its estimated GF Value™ of €9.51. GuruFocus considers Sutro Biopharma to be Significantly Overvalued.

Key valuation signals for FRA:S090:

  • Cyclically Adjusted PB Ratio: 1.28 (73% above median its 10-year median of 0.74)
  • GF Value™: €9.51 vs. price of €21.60 (127.1% above fair value)
  • GF Score™: 50/100 with 4 warning signs
  • Industry Position: 19% below the Biotechnology median (#291 of 695)

No single metric tells the full story. See the FRA:S090 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.


Sutro Biopharma Business Description

Other Exchanges STRO:USA
Address 111 Oyster Point Boulevard, South San Francisco, CA, USA, 94080
Sutro Biopharma Inc is a clinical-stage drug discovery, development, and manufacturing company. The company manufactures next-generation protein therapeutics for cancer and autoimmune disorders through its proprietary integrated cell-free protein synthesis platform, XpressCF. Products offered by the company include STRO-001 for patients with multiple myeloma and lymphoma and STRO-002 for the treatment of ovarian and endometrial cancers. Company's wholly-owned product candidate is STRO-004, a single homogeneous ADC directed against tissue factor which are developing for the treatment of solid tumors. The company also pipeline contains STRO-006, STRO-00X, STRO-00Y, STRO-003, VAX24, VAX31, and Others.
50GF Score

Get the complete analysis for FRA:S090

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

€21.60
Price
€9.51
GF Value