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Upstream Bio, Inc. (UPB)

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Upturn Advisory Summary
10/31/2025: UPB (2-star) has a low Upturn Star Rating. Not recommended to BUY.
1 Year Target Price $49.75
1 Year Target Price $49.75
| 2 | Strong Buy | 
| 2 | Buy | 
| 0 | Hold | 
| 0 | Sell | 
| 0 | Strong Sell | 
Analysis of Past Performance
 Type  Stock  |  Historic Profit  89.47%  |  Avg. Invested days  37  |  Today’s Advisory  Consider higher Upturn Star rating   | 
 Upturn Star Rating  ![]()  |  Upturn Advisory Performance   |  Stock Returns Performance   | 
Key Highlights
 Company Size  Small-Cap Stock   |  Market Capitalization  1.39B  USD   |  Price to earnings Ratio  -   |  1Y Target Price  49.75   | 
 Price to earnings Ratio  -   |  1Y Target Price  49.75   | ||
 Volume (30-day avg)  4   |  Beta  -   |  52 Weeks Range  5.14 - 29.46   |  Updated Date  11/3/2025   | 
 52 Weeks Range  5.14 - 29.46   |  Updated Date  11/3/2025   | ||
 Dividends yield (FY)  -   |  Basic EPS (TTM)  -6.17   | 
Earnings Date
 Report Date  2025-11-06   |  When  Before Market   |  Estimate  -0.78   |  Actual  -   | 
Profitability
 Profit Margin  -   |  Operating Margin (TTM)  -4732.87%   | 
Management Effectiveness
 Return on Assets (TTM)  -22.85%   |  Return on Equity (TTM)  -32.49%   | 
Valuation
 Trailing PE  -   |  Forward PE  -   |  Enterprise Value  610156247   |  Price to Sales(TTM)  511.77   | 
 Enterprise Value  610156247   |  Price to Sales(TTM)  511.77   | ||
 Enterprise Value to Revenue  224.07   |  Enterprise Value to EBITDA  -   |  Shares Outstanding  53909427   |  Shares Floating  28534799   | 
 Shares Outstanding  53909427   |  Shares Floating  28534799   | ||
 Percent Insiders  14.81   |  Percent Institutions  94.05   | 
 Upturn AI SWOT 
Upstream Bio, Inc.

Company Overview
 History and Background 
Upstream Bio, Inc. is a clinical-stage biotechnology company focused on developing novel therapies for inflammatory and immunological diseases. Founded in 2022, it emerged from a $200 million Series A financing led by OrbiMed and included commitments from Access Biotechnology and Decheng Capital. The company's focus is on leveraging its expertise in inflammatory pathways to develop targeted therapies.
 Core Business Areas 
- Drug Development: Upstream Bio is focused on developing and commercializing novel therapies for immunological and inflammatory diseases. This includes research and development activities, clinical trials, and regulatory submissions.
 - UPB-101: UPB-101 is a monoclonal antibody targeting TL1A, developed for inflammatory bowel disease (IBD). It's currently in clinical trials. IBD indications include Crohn's Disease and Ulcerative Colitis. This is the primary focus for Upstream Bio
 
 Leadership and Structure 
Upstream Bio is led by a team of experienced biotechnology executives and scientists. The CEO is Jacob van Naarden. The company has a structured research and development organization focused on progressing UPB-101 through clinical trials.
Top Products and Market Share
 Key Offerings 
- UPB-101: UPB-101 is a monoclonal antibody targeting TL1A for the treatment of inflammatory bowel disease (IBD). While currently in development, if approved, it would compete in the IBD market. Specific market share data for UPB-101 is unavailable at this stage. Competitors include Johnson & Johnson (Stelara), AbbVie (Humira, Skyrizi, Rinvoq), Takeda (Entyvio), and Pfizer (Xeljanz).
 
Market Dynamics
 Industry Overview 
The biotechnology industry, particularly the segment focused on inflammatory and immunological diseases, is experiencing significant growth driven by increasing prevalence of these conditions and advances in drug development technologies. The IBD market is substantial and growing, with a high unmet need for more effective and safer therapies.
Positioning
Upstream Bio is positioning itself as an innovator in the IBD space by targeting TL1A, a novel target with the potential to address the underlying causes of the disease. Their competitive advantage lies in the potential efficacy and safety profile of UPB-101.
Total Addressable Market (TAM)
The IBD market is estimated to be worth billions of dollars annually. Estimates suggest a TAM of over $20 billion by 2030. Upstream Bio, with its novel TL1A inhibitor, aims to capture a significant portion of this market if UPB-101 is approved.
Upturn SWOT Analysis
Strengths
- Novel therapeutic target (TL1A)
 - Experienced leadership team
 - Strong financial backing from reputable investors
 - Focus on a high-value market (IBD)
 
Weaknesses
- Single asset pipeline (UPB-101)
 - Clinical trial risk
 - Dependent on successful clinical trial outcomes
 - Early stage company with no marketed products
 
Opportunities
- Potential to expand UPB-101 to other inflammatory diseases
 - Partnerships with larger pharmaceutical companies
 - Positive clinical trial results
 - Acquisition by a larger pharmaceutical company
 
Threats
- Clinical trial failure
 - Competition from established players in the IBD market
 - Regulatory hurdles
 - Patent challenges
 
Competitors and Market Share
 Key Competitors 
- JNJ
 - ABBV
 - TAK
 - PFE
 
Competitive Landscape
Upstream Bio faces intense competition from established pharmaceutical companies with approved IBD therapies. Its success depends on demonstrating superior efficacy and safety compared to existing treatments.
Growth Trajectory and Initiatives
Historical Growth: Not applicable as a recently founded company.
Future Projections: Future growth depends on the success of UPB-101's clinical trials and potential regulatory approval. Analyst estimates are not available.
Recent Initiatives: Initiated Phase 1 clinical trials for UPB-101
Summary
Upstream Bio is a promising early-stage biotech company with a focus on IBD. Its strength lies in its novel TL1A inhibitor, UPB-101, and experienced leadership. The company's biggest risk is the inherent uncertainty in drug development, particularly clinical trial outcomes. Securing partnerships and positive clinical data is crucial for its future growth. The company needs to be on the look out for competitors as well.
Similar Stocks
Sources and Disclaimers
Data Sources:
- Upstream Bio press releases, industry reports, analyst reports (where available)
 
Disclaimers:
This analysis is based on publicly available information and analyst estimates. Actual results may vary. Market share data is approximate and subject to change.
 AI Summarization is directionally correct and might not be accurate. 
 Summarized information shown could be a few years old and not current. 
 Fundamental Rating based on AI could be based on old data. 
 AI-generated summaries may have inaccuracies (hallucinations). Please verify the information before taking action. 
About Upstream Bio, Inc.
 Exchange  NASDAQ   |  Headquaters  Waltham, MA, United States   | ||
 IPO Launch date  2024-10-11   |  CEO & Director  Dr. E. Rand Sutherland M.D., M.P.H., MPH   | ||
 Sector  Healthcare   |  Industry  Biotechnology   |  Full time employees  52   |  Website  https://upstreambio.com   | 
 Full time employees  52   |  Website  https://upstreambio.com   | ||
Upstream Bio, Inc., a clinical-stage biotechnology company, develops treatments for inflammatory diseases focusing on severe respiratory disorders. Its product candidate includes verekitug, which is in Phase 2 clinical development for the treatment of severe asthma and chronic rhinosinusitis with nasal polyps, as well as in Phase I clinical trial for treating chronic obstructive pulmonary disease. The company was incorporated in 2021 and is headquartered in Waltham, Massachusetts.

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