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Graham Number is a figure that measures a stock's fundamental value by taking into account the company's earnings per share and book value per share. The Graham number is the upper bound of the price range that a defensive investor should pay for the stock. According to the theory, any stock price below the Graham number is considered undervalued, and thus worth investing in.
As of today (2026-08-16), the stock price of Sutro Biopharma is $20.461. Sutro Biopharma's graham number for the quarter that ended in Jun. 2026 was $N/A. Therefore, Sutro Biopharma's Price to Graham Number ratio for today is N/A.
The historical rank and industry rank for Sutro Biopharma's Graham Number or its related term are showing as below:
STRO's Price-to-Graham-Number is not ranked *
in the Biotechnology industry.
Industry Median: 1.87 * Ranked among companies with meaningful Price-to-Graham-Number only.
Graham Number is a combination of asset valuation and earnings power valuation. It is a very conservative way of valuing a stock.
Sutro Biopharma (NAS:STRO) Graham Number Explanation
Ben Graham actually did not publish a formula like this. But he wrote in The Intelligent Investor (1948 version) regarding to the criteria for purchases:
Current price should not be more than 15 times average earnings of the past three years.
Current price should not be more than 1.5 times the book value last reported. However, a multiplier of earnings below 15 could justify a correspondingly higher multiplier of assets. As a rule of thumb we suggest that the product of the multiplier times the ratio of price to book value should not exceed 22.5. (This figure corresponds to 15 times earnings and 1.5 times book value. It would admit an issue selling at only 9 times earnings and 2.5 times asset value, etc.)
Unlike valuation methods such as DCF or Discounted Earnings, the Graham number does not take growth into the valuation. Unlike the valuation methods based on book value alone, it takes into account the earnings power. Therefore, the Graham Number is a combination of asset valuation and earnings power valuation.
In general, the Graham number is a very conservative way of valuing a stock. It cannot be applied to companies with negative book values.
Sutro Biopharma's Price to Graham number Ratio for today is calculated as
Price to Graham number
=
Share Price (Today)
/
Graham number (Q: Jun. 2026 )
=
20.461
/
N/A
=
N/A
* 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.
Be Aware
Please keep these in mind:
1. Graham Number does not take growth into account. Therefore it underestimates the values of the companies that have good earnings growth. We feel that if the earnings per share grows more than 10% a year, Graham Number underestimates the value.
2. Graham Number punishes the companies that have temporarily low earnings. Therefore, an average of earnings makes more sense in the calculation of Graham Number.
3. Graham Numbers underestimates companies that are light with book.
Sutro Biopharma Graham Number Related Terms
Sutro Biopharma Graham Number Historical Data
* Premium members only.
The historical data trend for Sutro Biopharma's Graham Number 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.
STRO vs AVIR, IPSC, CCCC: Graham Number Comparison
For the Biotechnology subindustry, Sutro Biopharma's Price-to-Graham-Number, along with its competitors' market caps and Price-to-Graham-Number 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 Price-to-Graham-Number vs Biotechnology Industry
For the Biotechnology industry and Healthcare sector, Sutro Biopharma's Price-to-Graham-Number distribution charts can be found below:
* The bar in red indicates where Sutro Biopharma's Price-to-Graham-Number falls into.
* 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 (STRO) has a Graham Number of $N/A as of Jun. 2026. The Graham Number values a company based on its per-share earnings and book value. View historical data on Sutro Biopharma and its competitors. According to the industry distribution chart, Sutro Biopharma ranks #999999 out of 258 companies in the Biotechnology industry.
Is Sutro Biopharma's Graham Number too high?
Sutro Biopharma's current Graham Number is $N/A. Based on the distribution chart, Sutro Biopharma ranks #999999 out of 258 companies in the Biotechnology industry, which is in the bottom quartile relative to peers. Overall, Sutro Biopharma has a GF Score™ of 45/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Sutro Biopharma's Graham Number compare to AVIR and IPSC?
According to the Biotechnology industry distribution chart, Sutro Biopharma ranks #999999 out of 258 companies for Graham Number. This places Sutro Biopharma in the lower half of its industry. The industry median Graham Number is 1.87. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Graham Number for a Biotechnology company?
The median Graham Number among Biotechnology companies is 1.87, based on 258 companies in the industry. Companies in the top quartile (top 25%) have a Graham Number significantly above this median, while those in the bottom quartile fall well below. However, Graham Number should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Graham Number mean?
A high Graham Number can signal that a stock is expensive relative to its fundamentals. The Graham Number values a company based on its per-share earnings and book value. View historical data on Sutro Biopharma and its competitors. For the Biotechnology industry, the median Graham Number is 1.87 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Sutro Biopharma's current Graham Number is $N/A. 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 (STRO) is currently considered Significantly Overvalued. The stock's GF Value™ is $5.50, compared to a current price of $20.46 — trading 272% above its estimated fair value. The current Graham Number is $N/A. Sutro Biopharma's overall GF Score™ is 45/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Graham Number calculated?
Graham Number is calculated from a company's financial statements. For Sutro Biopharma (STRO), the current Graham Number is $N/A as of Jun. 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 (STRO) Overvalued in 2026?
Based on GuruFocus' analysis, Sutro Biopharma stock appears to be overvalued.
The current stock price of $20.46 is trading 272% above its estimated GF Value™ of $5.50.
GuruFocus considers Sutro Biopharma to be Significantly Overvalued.
Key valuation signals for STRO:
Graham Number: $N/A
GF Value™: $5.50 vs. price of $20.46 (272% above fair value)
No single metric tells the full story. See the STRO stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
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.
45GF Score
Get the complete analysis for STRO
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