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Rallybio Corp (RLYB)

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Upturn Advisory Summary
12/19/2025: RLYB (1-star) has a low Upturn Star Rating. Not recommended to BUY.
1 Year Target Price $1
1 Year Target Price $1
| 1 | Strong Buy |
| 0 | Buy |
| 3 | Hold |
| 0 | Sell |
| 0 | Strong Sell |
Analysis of Past Performance
Type Stock | Historic Profit -37.41% | Avg. Invested days 24 | 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 33.16M USD | Price to earnings Ratio - | 1Y Target Price 1 |
Price to earnings Ratio - | 1Y Target Price 1 | ||
Volume (30-day avg) 4 | Beta -1.04 | 52 Weeks Range 0.22 - 1.08 | Updated Date 12/21/2025 |
52 Weeks Range 0.22 - 1.08 | Updated Date 12/21/2025 | ||
Dividends yield (FY) - | Basic EPS (TTM) -0.32 |
Analyzing Revenue: Products, Geography and Growth
Revenue by Products
Earnings Date
Report Date - | When - | Estimate - | Actual - |
Profitability
Profit Margin - | Operating Margin (TTM) -3266.51% |
Management Effectiveness
Return on Assets (TTM) -28.35% | Return on Equity (TTM) -21.17% |
Valuation
Trailing PE - | Forward PE - | Enterprise Value -25959638 | Price to Sales(TTM) 49.2 |
Enterprise Value -25959638 | Price to Sales(TTM) 49.2 | ||
Enterprise Value to Revenue - | Enterprise Value to EBITDA -1.41 | Shares Outstanding 42243774 | Shares Floating 20316721 |
Shares Outstanding 42243774 | Shares Floating 20316721 | ||
Percent Insiders 4.1 | Percent Institutions 66.98 |
Upturn AI SWOT
Rallybio Corp

Company Overview
History and Background
Rallybio Corp. was founded in 2017. It is a clinical-stage biotechnology company focused on developing transformative therapies for patients with severe and life-threatening rare diseases. The company's strategy involves identifying unmet medical needs and leveraging its drug development platform and expertise to bring novel therapeutics from discovery to market. Key milestones include the initiation of clinical trials for its lead programs and strategic collaborations.
Core Business Areas
- Rare Disease Therapeutics: Rallybio's core business is the development and commercialization of novel therapeutics targeting rare diseases. Their approach focuses on both genetic and autoimmune-mediated rare disorders where significant unmet needs exist. The company utilizes a platform approach to identify, develop, and advance drug candidates.
Leadership and Structure
Rallybio Corp. is led by a management team with extensive experience in drug development, biotechnology, and healthcare. The organizational structure is typical of a clinical-stage biotech, with departments focused on research and development, clinical operations, regulatory affairs, and corporate functions.
Top Products and Market Share
Key Offerings
- Product Name 1: Rallybio is developing therapies for rare diseases. Their lead program, RLYB211, is an investigational therapy for the treatment of fetal and neonatal alloimmune thrombocytopenia (FNAIT). Competition in this specific niche is emerging, with other companies exploring gene therapies and antibody-based treatments. Market share data is not yet applicable as the product is in clinical development. Another program, RLYB115, is an investigational therapy for the treatment of X-linked myotubular myopathy (XLMTM). Competitors include companies developing gene therapies for XLMTM.
Market Dynamics
Industry Overview
The biotechnology and pharmaceutical industry is characterized by high R&D investment, long development timelines, stringent regulatory processes, and significant unmet medical needs, particularly in rare diseases. The industry is driven by scientific innovation, patent protection, and the potential for high returns on successful drug development.
Positioning
Rallybio is positioned as a clinical-stage biotechnology company focused on a specific segment of the rare disease market. Its competitive advantage lies in its scientific approach to developing novel therapies for underserved patient populations and its experienced management team.
Total Addressable Market (TAM)
The total addressable market for rare disease therapeutics is substantial and growing, driven by increased diagnosis, genetic understanding, and a desire for more effective treatments. Rallybio is targeting specific rare diseases within this larger market. Its positioning is focused on addressing high unmet needs within these niche indications.
Upturn SWOT Analysis
Strengths
- Focus on significant unmet medical needs in rare diseases.
- Experienced management team with a track record in drug development.
- Investigational therapies with potential for significant patient impact.
- Platform approach to drug discovery and development.
Weaknesses
- Clinical-stage company with no approved products, leading to high financial risk.
- Dependence on successful clinical trial outcomes and regulatory approvals.
- Limited financial resources compared to larger pharmaceutical companies.
- Potential for pipeline attrition.
Opportunities
- Growing demand for rare disease treatments.
- Advancements in genetic science and therapeutic modalities.
- Potential for strategic partnerships and collaborations.
- Expansions into new rare disease indications.
Threats
- Clinical trial failures.
- Regulatory hurdles and delays.
- Competition from other biotechnology and pharmaceutical companies.
- Pricing and reimbursement challenges for novel therapies.
- Intellectual property challenges.
Competitors and Market Share
Key Competitors
- Alexion Pharmaceuticals (part of AstraZeneca) (AZN)
- Moderna, Inc. (MRNA)
- BioCryst Pharmaceuticals, Inc. (BCRX)
- uniQure N.V. (QURE)
- Spark Therapeutics, Inc. (part of Roche)
Competitive Landscape
Rallybio faces competition from established pharmaceutical giants and other innovative biotech companies in the rare disease space. Its advantages lie in its focused approach to specific unmet needs and potentially novel therapeutic mechanisms. Disadvantages include its smaller size, limited resources, and lack of approved products compared to larger competitors.
Growth Trajectory and Initiatives
Historical Growth: Historical growth has been characterized by the progression of its drug development pipeline through various stages of research and clinical trials, and the securing of funding to support these activities.
Future Projections: Future growth is contingent on the successful advancement of its RLYB211 and RLYB115 programs through clinical trials and subsequent regulatory approvals and commercialization. Analyst projections will focus on the potential peak sales of these therapies if approved.
Recent Initiatives: Recent initiatives likely include the progression of clinical trials, potential strategic partnerships, and efforts to secure additional funding to advance its pipeline.
Summary
Rallybio Corp. is a promising clinical-stage biotechnology company with a focused strategy on developing transformative therapies for rare diseases. Its strengths lie in its targeted approach and experienced team. However, as a pre-commercial entity, it faces significant risks related to clinical trial success, regulatory approval, and funding. Continued progress in its pipeline and successful execution of its development plans are crucial for its future success, while careful management of financial resources and awareness of competitive pressures are necessary to mitigate threats.
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Sources and Disclaimers
Data Sources:
- Company official website (Rallybio Corp.)
- SEC filings (10-K, 10-Q)
- Financial news outlets
- Biotechnology industry reports
Disclaimers:
This information is for informational purposes only and should not be construed as financial advice. Investing in biotechnology stocks, especially clinical-stage companies, involves substantial risk. Investors should conduct their own due diligence and consult with a qualified financial advisor before making any investment decisions.
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 Rallybio Corp
Exchange NASDAQ | Headquaters New Haven, CT, United States | ||
IPO Launch date 2021-07-29 | Co-Founder, President, CEO & Director Dr. Stephen Uden M.B, M.D. | ||
Sector Healthcare | Industry Biotechnology | Full time employees 15 | Website https://www.rallybio.com |
Full time employees 15 | Website https://www.rallybio.com | ||
Rallybio Corporation, a clinical-stage biotechnology company, engages in development and commercialization of life-transforming therapies for patients suffering from severe and rare diseases. Its lead product candidate is RLYB212, a monoclonal anti-HPA-1a antibody which is in Phase II clinical trial for the prevention of fetal and neonatal alloimmune thrombocytopenia (FNAIT); and RLYB211 for the prevention of FNAIT. The company is also developing RLYB114, a pegylated complement factor 5 (C5)-targeted Affibody molecule in preclinical development for the treatment of complement-mediated ophthalmic diseases; RLYB116, an inhibitor of complement component 5 (C5) to treat several diseases of complement dysregulation which has completed phase 1 trial; and RLYB332, a preclinical antibody, for the treatment of severe anemia with ineffective erythropoiesis and iron overload. It entered into a strategic alliance with AbCellera to discover, develop, and commercialize novel antibody-based therapeutics for rare diseases. Rallybio has collaboration with Exscientia for the development of small molecule therapeutics for rare diseases; and collaboration agreement with Johnson & Johnson to provide pregnant individuals therapeutic solutions at risk of fetal and neonatal alloimmune thrombocytopenia. The company was founded in 2018 and is headquartered in New Haven, Connecticut.

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