STRO (Sutro Biopharma) 1-Year Sortino Ratio: 3.59 (As of Aug. 16, 2026)

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STRO Sutro Biopharma Inc STRO
45 GF Score
Price $20.46
GF Value $5.50
Valuation Significantly Overvalued
! 4 Warning Signs
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What is Sutro Biopharma 1-Year Sortino Ratio?

Sutro Biopharma STRO -4.16% 45 1-Year Sortino Ratio is 3.59 as of Aug. 16, 2026. GuruFocus rates STRO with a GF Score™ of 45/100 and a GF Value™ of $5.50 (Significantly Overvalued). The stock has 4 warning signs investors should review.

The 1-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk over the past year. As of today (2026-08-16), Sutro Biopharma's 1-Year Sortino Ratio is 3.59.


Sutro Biopharma  (NAS:STRO) 1-Year Sortino Ratio Explanation

The 1-Year Sortino Ratio inidicates the risk-adjusted return of an investment over the past year. It is calculated as the annualized result of the average monthly excess return divided by the standard deviation of negative returns over the past year. The monthly excess return is the monthly investment return minus the monthly risk-free rate (typically the 10-year Treasury Constant Maturity Rate). If the risk-free rate for a specific region is not available, U.S. data is used by default.

Differnt from the Sharpe Ratio that penalizes both upside and downside volatility equally, the Sortino Ratio penalizes only those returns falling below a user-specified target or required rate of return. The expected returns here is set to the risk-free rate as well.


Sutro Biopharma 1-Year Sortino Ratio Related Terms


STRO vs AVIR, IPSC, CCCC: 1-Year Sortino Ratio Comparison

For the Biotechnology subindustry, Sutro Biopharma's 1-Year Sortino Ratio, along with its competitors' market caps and 1-Year Sortino 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 1-Year Sortino Ratio vs Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Sutro Biopharma's 1-Year Sortino Ratio distribution charts can be found below:

* The bar in red indicates where Sutro Biopharma's 1-Year Sortino Ratio falls into.


STRO
45GF Score
Sutro Biopharma Inc STRO
1-Year Sortino Ratio is just one metric. See GF Score™, valuation, warning signs, and more.
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Sutro Biopharma 1-Year Sortino Ratio Calculation

The 1-Year Sortino Ratio measures the risk-adjusted return of an investment asset or portfolio over the past year, focusing specifically on downside risk rather than total risk. A stock / portfolio's 1-Year Sortino Ratio can be calculated by dividing the difference between the one-year returns of the investment and the risk-free rate, by the standard deviation of the downside risks over one year.

A downside risk is a potential loss from the asset or investment. The Downside risk here is measured by the downside deviation, which is the standard deviation of negative returns.

Frequently Asked Questions Learn more about 1-Year Sortino Ratio →
What does a 1-Year Sortino Ratio of 3.59 mean?
Sutro Biopharma (STRO) has a 1-Year Sortino Ratio of 3.59 as of Aug. 16, 2026. 1-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk. View historical data for Sutro Biopharma and its competitors.
Is Sutro Biopharma's 1-Year Sortino Ratio too high?
Sutro Biopharma's current 1-Year Sortino Ratio is 3.59. 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 1-Year Sortino Ratio compare to AVIR and IPSC?
Sutro Biopharma's 1-Year Sortino Ratio of 3.59 can be compared against companies in the Biotechnology industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 1-Year Sortino Ratio for a Biotechnology company?
A good 1-Year Sortino Ratio depends on the Biotechnology industry context. However, 1-Year Sortino Ratio 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 1-Year Sortino Ratio mean?
A high 1-Year Sortino Ratio can signal that a stock is expensive relative to its fundamentals. 1-Year Sortino Ratio measures the additional return that an investor receives per unit of the downside risk. View historical data for Sutro Biopharma and its competitors. Sutro Biopharma's current 1-Year Sortino Ratio is 3.59. 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 1-Year Sortino Ratio is 3.59. 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 1-Year Sortino Ratio calculated?
1-Year Sortino Ratio is calculated from a company's financial statements. For Sutro Biopharma (STRO), the current 1-Year Sortino Ratio is 3.59 as of Aug. 16, 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:

  • 1-Year Sortino Ratio: 3.59
  • GF Value™: $5.50 vs. price of $20.46 (272% above fair value)
  • GF Score™: 45/100 with 4 warning signs

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 Business Description

Other Exchanges S090:Germany
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.
45GF Score

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1-Year Sortino Ratio is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$20.46
Price
$5.50
GF Value