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Sutro Biopharma, Inc.

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Recent trades of STRO by members of U.S. Congress

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STRO Stock Institutional Owners
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STRO Derivatives Institutional Owners
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Recently reported changes in STRO holdings by institutional investors

Quarterly net insider trading by STRO's directors and management

* Insider trading data parsed from SEC Form 4 filings by Quiver Quantitative. Sign up for the Quiver API for real-time access.

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Backtest Start Date
CAGR (Total)
Return (30d)
Return (1Y)
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Key Metrics

Return (1d)

Return (30d)

Return (1Y)

CAGR (Total)

Max Drawdown

Beta

Alpha

Sharpe Ratio

Win Rate

Average Win

Average Loss

Annual Volatility

Annual Std Dev

Information Ratio

Treynor Ratio

Total Trades

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Metrics Definitions
  • Alpha

    Measures a portfolio's risk-adjusted performance against that of its benchmark

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  • Annual Standard Deviation

    Measures how much the portfolio's total return varies from its mean or average.

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  • Annual Volatility

    A statistical measure of the dispersion of returns for the portfolio.

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  • Average Win

    The average return (%) for trades that resulted in a positive return.

  • Average Loss

    The average return (%) for trades that resulted in a negative return.

  • Beta

    A measure of the volatility of the portfolio compared to the market as a whole.

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  • CAGR

    CAGR (Compounded Annual Growth Rate), is the historical annualized rate of return for an investment strategy, throughout the backtest period.

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  • Information Ratio

    A measurement of portfolio returns beyond the returns of its benchmark compared to the volatility of those returns.

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  • Max Drawdown

    the maximum observed loss from a peak to a trough of a portfolio, before a new peak is attained.

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  • Sharpe Ratio

    The Sharpe Ratio is a measure of historical risk-adjusted return, which quantifies the amount of return that an investor received per unit of risk.

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  • Total Trades

    The total number of trades made by this strategy.

  • Treynor Ratio

    Attempts to measure how successful an investment is in providing compensation to investors for taking on investment risk.

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  • Win Rate

    The percentage of total trades that resulted in a positive return.

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Government lobbying spending instances

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Corporate Lobbying Dashboard

STRO Estimated quarterly lobbying spending

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Corporate Lobbying Dashboard

STRO Revenue by Segment or Geography

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STRO Income Statement
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U.S. Patents

New STRO patent grants

  • Patent Title: Anti-folate receptor antibody conjugates, compositions comprising anti-folate receptor antibody conjugates, and methods of making and using anti-folate receptor antibody conjugates Sep. 30, 2025
  • Patent Title: 5h-pyrrolo[3,2-d]pyrimidine-2,4-diamino compounds and antibody conjugates thereof Sep. 23, 2025
  • Patent Title: Antibodies with engineered ch2 domains, compositions thereof and methods of using the same Aug. 26, 2025
  • Patent Title: Methods of producing full-length antibodies using Jul. 08, 2025
  • Patent Title: Modified amino acids Apr. 08, 2025
  • Patent Title: Modified fc proteins comprising site-specific non-natural amino acid residues, conjugates of the same, methods of their preparation and methods of their use Mar. 18, 2025
  • Patent Title: Anti-ror1 antibody conjugates, compositions comprising anti ror1 antibody conjugates, and methods of making and using anti-ror1 antibody conjugates preliminary class Feb. 18, 2025
  • Patent Title: Anti-ror1 antibody conjugates, compositions comprising anti ror1 antibody conjugates, and methods of making and using anti-ror1 antibody conjugates Nov. 19, 2024
  • Patent Title: Formulations for drying bacterial cell extracts Sep. 24, 2024
  • Patent Title: Anti-folate receptor alpha antibody conjugated with hemiasterlins Aug. 27, 2024
  • Patent Title: Anti-bcma antibodies and treatment methods May. 28, 2024
  • Patent Title: Antibodies comprising site-specific non-natural amino acid residues, methods of their preparation and methods of their use Apr. 16, 2024
  • Patent Title: Hemiasterlin derivatives for conjugation and therapy Jan. 09, 2024
  • Patent Title: Immunomodulator antibody drug conjugates and uses thereof Sep. 05, 2023
  • Patent Title: Anti-cd74 antibody conjugates, compositions comprising anti-cd74 antibody conjugates and methods of using anti-cd74 antibody conjugates Jul. 25, 2023
  • Patent Title: Modified amino acids Jan. 10, 2023
  • Patent Title: Formulations for drying bacterial cell extracts Aug. 09, 2022
  • Patent Title: Antibodies comprising multiple site-specific non-natural amino acid residues, methods of their preparation and methods of their use May. 31, 2022
  • Patent Title: Proteolytic inactivation of select proteins in bacterial extracts for improved expression Mar. 01, 2022
  • Patent Title: Anti-epcam antibodies, compositions comprising anti-epcam antibodies and methods of making and using anti-epcam antibodies Aug. 24, 2021
  • Patent Title: Antibodies with engineered ch2 domains, compositions thereof and methods of using the same Aug. 24, 2021
  • Patent Title: Anti-tim-3 antibodies, compositions comprising anti-tim-3 antibodies and methods of making and using anti-tim-3 antibodies May. 25, 2021
  • Patent Title: Anti-cd74 antibodies, compositions comprising anti-cd74 antibodies and methods of using anti-cd74 antibodies Apr. 13, 2021
  • Patent Title: Hemiasterlin derivatives for conjugation and therapy Nov. 24, 2020
  • Patent Title: Anti-pd-1 antibodies, compositions comprising anti-pd-1 antibodies and methods of using anti-pd-1 antibodies Nov. 03, 2020
  • Patent Title: Expression of biologically active proteins in a bacterial cell-free synthesis system using bacterial cells transformed to exhibit elevated levels of chaperone expression Sep. 15, 2020
  • Patent Title: Use of lambda-gam protein in ribosomal display technology Aug. 04, 2020
  • Patent Title: Modified amino acids Aug. 04, 2020
  • Patent Title: Antibodies comprising site-specific non-natural amino acid residues, methods of their preparation and methods of their use Jun. 02, 2020
  • Patent Title: Formulations for drying bacterial cell extracts May. 12, 2020
  • Patent Title: Anti-folate receptor antibody conjugates, compositions comprising anti-folate receptor antibody conjugates, and methods of making and using anti-folate receptor antibody conjugates Mar. 24, 2020
  • Patent Title: Modified fc proteins comprising site-specific non-natural amino acid residues, conjugates of the same, methods of their preparation and methods of their use Dec. 10, 2019
  • Patent Title: Codon optimization for titer and fidelity improvement Nov. 26, 2019
  • Patent Title: Proteolytic inactivation of select proteins in bacterial extracts for improved expression Oct. 22, 2019
  • Patent Title: Modified amino acids comprising tetrazine functional groups, methods of preparation, and methods of their use Oct. 15, 2019
  • Patent Title: High growth capacity auxotrophic Jun. 11, 2019
  • Patent Title: Expression of biologically active proteins in a bacterial cell-free synthesis system using bacterial cells transformed to exhibit elevated levels of chaperone expression Jan. 29, 2019
  • Patent Title: Non-natural amino acid trna synthetases for pyridyl tetrazine Jan. 15, 2019
  • Patent Title: Modified amino acids Jun. 12, 2018
  • Patent Title: Non-natural amino acid trna synthetases for pyridyl tetrazine Jun. 05, 2018
  • Patent Title: Non-natural amino acid trna synthetases for para-methylazido-l-phenylalanine Apr. 10, 2018
  • Patent Title: Use of lambda-gam protein in ribosomal display technology Feb. 20, 2018
  • Patent Title: Modified amino acids comprising tetrazine functional groups, methods of preparation, and methods of their use Dec. 12, 2017
  • Patent Title: Antibodies comprising multiple site-specific non-natural amino acid residues, methods of their preparation and methods of their use Sep. 19, 2017
  • Patent Title: Antibodies comprising site-specific non-natural amino acid residues, methods of their preparation and methods of their use Aug. 22, 2017
  • Patent Title: Modified fc proteins comprising site-specific non-natural amino acid residues, conjugates of the same, methods of their preparation and methods of their use Aug. 15, 2017
  • Patent Title: Modified amino acids Jun. 20, 2017
  • Patent Title: Proteolytic inactivation of select proteins in bacterial extracts for improved expression May. 16, 2017
  • Patent Title: Method for enhancing recombinant protein production by cell-free protein expression system May. 26, 2015
  • Patent Title: Mono charging system for selectively introducing non-native amino acids into proteins using an in vitro protein synthesis system Jul. 15, 2014
Government Contracts

Federal grants, loans, and purchases

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Government Contracts

Estimated quarterly amount awarded to STRO from public contracts

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STRO News

Recent insights relating to STRO

CNBC Recommendations

Recent picks made for STRO stock on CNBC

Top ETF Holders

ETFs with the largest estimated holdings in STRO

STRO Analyst Ratings

STRO Stock Forecasts
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Frequently Asked Questions
  • Is $STRO stock a Buy, Sell, or Hold?

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* Analyst consensus is not financial advice. Please see our data disclaimers .

STRO Top Shareholders
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Frequently Asked Questions
  • Who owns $STRO stock?

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* These are estimates based on data taken from SEC filings. There may be inaccuracies due to parsing errors, accidental double-counting, incorrect classification of indirectly owned shares, or any other number of issues.

STRO Stock Smart Score

The Quiver Smart Score combines our data on Congress Trading, Lobbying, Insider Trading, CNBC Mentions and more to provide a comprehensive view of the strength of a stock's underlying data.

The Smart Score grades stocks on a scale of 1 (weakest) to 10 (strongest) based on the strength of the underlying data.
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The Bulls Say summary highlights positive aspects of the stock.

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The Bears Say summary points out potential risks and negative aspects of the stock.

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About STRO

Sutro Biopharma Inc is a clinical-stage drug discovery, development, and manufacturing company. It is mainly engaged in the development of biopharmaceutical products. 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 non-Hodgkin lymphoma and STRO-002 for the treatment of ovarian and endometrial cancers. The company also pipeline contains STRO-004, STRO-006, STRO-00X, STRO-00Y, STRO-003, VAX24, VAX31, and Others.

  • Address South San Francisco, CA
  • Market Cap 71.8 million
  • Employees 131
  • Industrial Classification Biological Products, (No Disgnostic Substances)
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