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Sutro Biopharma Inc (STRO)
NASDAQ:STRO
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Sutro Biopharma (STRO) AI Stock Analysis

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STRO

Sutro Biopharma

(NASDAQ:STRO)

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Neutral 45 (OpenAI - 5.2)
Rating:45Neutral
Price Target:
$25.00
▼(-20.76% Downside)
Action:Reiterated
Date:06/09/26
The score is held down primarily by weak financial performance—large losses, heavy cash burn, and negative equity—indicating elevated financing risk. Technicals also point to a pressured downtrend (below key moving averages with negative MACD). Corporate events provide a modest offset via financing/runway improvements and pipeline progress, while valuation remains difficult to support due to negative earnings and no dividend.
Positive Factors
Proprietary cell-free protein synthesis platform (XpressCF)
Sutro’s proprietary cell-free protein synthesis platform (XpressCF) is a durable competitive asset that enables rapid, precise protein engineering and production. This platform supports both internal pipeline acceleration and partner collaborations, creating recurring partnership revenue and differentiation in ADC and engineered biologics markets over years.
Negative Factors
Large, persistent negative operating cash flow
Sustained negative operating cash flow (~-$151.6M TTM) and free cash flow (~-$152.1M TTM) reflect ongoing high burn from R&D and operations. This persistent cash consumption creates continual financing needs, increases dilution risk over time, and limits optionality for opportunistic investments or partnerships absent further funding.
Read all positive and negative factors
Positive Factors
Negative Factors
Proprietary cell-free protein synthesis platform (XpressCF)
Sutro’s proprietary cell-free protein synthesis platform (XpressCF) is a durable competitive asset that enables rapid, precise protein engineering and production. This platform supports both internal pipeline acceleration and partner collaborations, creating recurring partnership revenue and differentiation in ADC and engineered biologics markets over years.
Read all positive factors

Sutro Biopharma (STRO) vs. SPDR S&P 500 ETF (SPY)

Sutro Biopharma Business Overview & Revenue Model

Company Description
Sutro Biopharma, Inc. is a clinical-stage biotechnology company focused on the discovery, development, and manufacturing of innovative therapeutic products. Its primary objective is to create protein-based treatments for challenging conditions lik...
How the Company Makes Money
Sutro primarily generates revenue through collaboration and licensing arrangements rather than product sales, because it is a clinical-stage company and does not have null. Key revenue streams generally include (1) upfront payments received when e...

Sutro Biopharma Financial Statement Overview

Summary
Despite very high gross margins (~98% TTM), the company has very large operating and net losses (net margin ~-186%), substantial ongoing cash burn (TTM FCF about -$152M), and a weakened balance sheet with stockholders’ equity turning negative (~-$66.9M), increasing funding/solvency risk.
Income Statement
23
Negative
Balance Sheet
31
Negative
Cash Flow
18
Very Negative
BreakdownTTMDec 2025Dec 2024Dec 2023Dec 2022Dec 2021
Income Statement
Total Revenue99.61M102.48M62.04M153.73M67.77M61.88M
Gross Profit98.33M95.16M54.83M146.91M59.48M52.11M
EBITDA-106.70M-97.63M-180.45M-67.92M-105.07M-97.56M
Net Income-153.60M-191.09M-227.46M-106.79M-119.20M-105.54M
Balance Sheet
Total Assets241.99M173.83M387.21M470.74M406.94M341.41M
Cash, Cash Equivalents and Short-Term Investments202.56M141.43M316.89M375.62M334.36M197.94M
Total Debt13.63M15.67M23.15M33.63M55.02M57.37M
Total Liabilities308.88M306.28M342.61M321.09M189.90M88.84M
Stockholders Equity-66.89M-132.45M44.60M149.65M217.05M252.56M
Cash Flow
Free Cash Flow-152.14M-178.93M-194.64M-115.93M-4.31M-97.00M
Operating Cash Flow-151.61M-177.23M-191.54M-111.62M3.55M-81.68M
Investing Cash Flow16.01M45.01M218.51M-3.92M-35.02M-97.31M
Financing Cash Flow103.05M44.00K94.05M137.55M48.31M3.26M

Sutro Biopharma Technical Analysis

Technical Analysis Sentiment
Negative
Last Price31.55
Price Trends
50DMA
31.34
Negative
100DMA
25.17
Positive
200DMA
17.36
Positive
Market Momentum
MACD
-2.00
Positive
RSI
39.66
Neutral
STOCH
29.18
Neutral
Evaluating momentum and price trends is crucial in stock analysis to make informed investment decisions. For STRO, the sentiment is Negative. The current price of 31.55 is above the 20-day moving average (MA) of 30.66, above the 50-day MA of 31.34, and above the 200-day MA of 17.36, indicating a neutral trend. The MACD of -2.00 indicates Positive momentum. The RSI at 39.66 is Neutral, neither overbought nor oversold. The STOCH value of 29.18 is Neutral, not indicating any strong overbought or oversold conditions. Overall, these indicators collectively point to a Negative sentiment for STRO.

Sutro Biopharma Risk Analysis

Sutro Biopharma disclosed 78 risk factors in its most recent earnings report. Sutro Biopharma reported the most risks in the "Tech & Innovation" category.
Finance & Corporate - Financial and accounting risks. Risks related to the execution of corporate activity and strategy
Latest Risks Added 0 New Risks

Sutro Biopharma Peers Comparison

Overall Rating
UnderperformOutperform
Sector (51)
Financial Indicators
Name
Overall Rating
Market Cap
P/E Ratio
ROE
Dividend Yield
Revenue Growth
EPS Growth
51
Neutral
$7.86B-0.30-43.30%2.27%22.53%-2.21%
50
Neutral
$32.17M-0.77-170.86%-100.00%13.12%
47
Neutral
$20.83M-0.69-136.08%-77.56%-50.38%
47
Neutral
$68.34M-0.72-80.35%27.27%
45
Neutral
$432.32M-0.02275.30%49.94%44.76%
40
Underperform
$17.74M-0.32-208.23%-100.00%26.30%
* Healthcare Sector Average
Performance Comparison
Ticker
Company Name
Price
Change
% Change
STRO
Sutro Biopharma
26.09
17.82
215.55%
CRVO
CervoMed
2.25
-5.22
-69.88%
ACET
Adicet Bio
7.31
-5.25
-41.78%
INMB
Inmune Bio
1.21
-6.88
-85.04%
HOWL
Werewolf Therapeutics
0.37
-0.87
-70.33%

Sutro Biopharma Corporate Events

Executive/Board ChangesShareholder Meetings
Sutro Biopharma Shareholders Back Board, Pay and Auditor
Positive
Jun 8, 2026
On June 5, 2026, Sutro Biopharma held its 2026 Annual Meeting of Stockholders, where shareholders elected three Class II directors, Jane Chung, Connie Matsui, and James Panek, each to serve a three-year term ending at the 2029 Annual Meeting. The ...
Business Operations and StrategyFinancial DisclosuresPrivate Placements and Financing
Sutro Biopharma Ends ATM Agreement After 2025 Results
Positive
Mar 23, 2026
On March 23, 2026, Sutro Biopharma reported full-year 2025 results and announced the mutual termination of its at-the-market equity sales agreement with Jefferies, closing a potential source of incremental share issuance. The company highlighted p...
Glossary
BuyA stock rated as a "Buy" is expected to perform better than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock is likely to deliver higher returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
HoldA stock rated as a "Hold" is expected to perform in line with the overall market or a specific benchmark. This rating indicates that the stock is neither particularly compelling nor unfavorable for investment. Note: This is not investment advice; please consult a financial advisor before making investment decisions.
SellA stock rated as a "Sell" is expected to perform worse than the overall market or a specific benchmark over the near-to-medium term. This rating suggests the stock may deliver lower returns compared to other stocks in the same sector or market index. Note: This is not investment advice; please consult a financial advisor before making investment decisions.

Disclaimer

This AI Analyst Stock Report is automatically generated by our AI systems using advanced algorithms and publicly available financial, technical, and market data. While the information provided aims to be accurate and insightful, it is intended for informational purposes only and should not be considered financial advice. Any content created by an AI (Artificial Intelligence) system may contain inaccuracies and/or contain errors. Investing in stocks carries inherent risks, and past performance is not indicative of future results. This report does not account for your personal financial circumstances, objectives, or risk tolerance. Always conduct your own research or consult with a qualified financial advisor before making investment decisions. The analysis and recommendations provided are based on historical and current data and may not fully reflect future market conditions or unexpected developments. Neither the creators of this report nor its affiliated entities guarantee the accuracy, completeness, or reliability of the information presented. Use this report at your own discretion and risk.Date of analysis: Jun 09, 2026