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Passage Bio Inc (PASG)

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Upturn Advisory Summary
10/24/2025: PASG (1-star) has a low Upturn Star Rating. Not recommended to BUY.
1 Year Target Price $30.75
1 Year Target Price $30.75
| 5 | Strong Buy |
| 0 | Buy |
| 0 | Hold |
| 0 | Sell |
| 0 | Strong Sell |
Analysis of Past Performance
Type Stock | Historic Profit -36.24% | Avg. Invested days 35 | Today’s Advisory WEAK BUY |
Upturn Star Rating ![]() | Upturn Advisory Performance | Stock Returns Performance |
Key Highlights
Company Size Small-Cap Stock | Market Capitalization 23.62M USD | Price to earnings Ratio 0.19 | 1Y Target Price 30.75 |
Price to earnings Ratio 0.19 | 1Y Target Price 30.75 | ||
Volume (30-day avg) 5 | Beta 1.81 | 52 Weeks Range 5.12 - 26.60 | Updated Date 10/25/2025 |
52 Weeks Range 5.12 - 26.60 | Updated Date 10/25/2025 | ||
Dividends yield (FY) - | Basic EPS (TTM) 37.88 |
Earnings Date
Report Date - | When - | Estimate - | Actual - |
Profitability
Profit Margin - | Operating Margin (TTM) - |
Management Effectiveness
Return on Assets (TTM) -33.2% | Return on Equity (TTM) -88.27% |
Valuation
Trailing PE 0.19 | Forward PE - | Enterprise Value -7306385 | Price to Sales(TTM) - |
Enterprise Value -7306385 | Price to Sales(TTM) - | ||
Enterprise Value to Revenue - | Enterprise Value to EBITDA 0.87 | Shares Outstanding 3178710 | Shares Floating 2867165 |
Shares Outstanding 3178710 | Shares Floating 2867165 | ||
Percent Insiders 0.21 | Percent Institutions 55.42 |
Upturn AI SWOT
Passage Bio Inc

Company Overview
History and Background
Passage Bio, Inc. (formerly known as Lysogene US Inc.) was founded in 2017 and is headquartered in Philadelphia, Pennsylvania. It is a clinical-stage genetic medicines company focused on developing transformative therapies for rare, monogenic central nervous system (CNS) disorders. Passage Bio has focused on developing gene therapies that could potentially address diseases like GM1 gangliosidosis, Krabbe disease, and frontotemporal dementia.
Core Business Areas
- Gene Therapy Development: Focuses on research, development, and clinical trials of adeno-associated virus (AAV) gene therapies for CNS disorders.
- Neuroscience Research: Conducts preclinical research to identify and validate novel therapeutic targets in the CNS.
Leadership and Structure
The company is led by a management team with expertise in gene therapy and neuroscience. The organizational structure typically consists of research and development, clinical operations, and administrative functions. Passage Bio is currently in a wind-down phase following pipeline setbacks and strategic shifts.
Top Products and Market Share
Key Offerings
- PBGM01 (GM1 gangliosidosis): AAV gene therapy designed to deliver a functional copy of the GLB1 gene to address GM1 gangliosidosis, a rare and fatal lysosomal storage disorder. Clinical trials were conducted, but development was halted. Competitors included gene therapy programs for similar diseases developed by academic institutions and other biotech companies.
- PBKR03 (Krabbe disease): AAV gene therapy to deliver a functional copy of the GALC gene for Krabbe disease. Development was discontinued. Competitors included stem cell transplantation and research into alternative gene therapy approaches.
Market Dynamics
Industry Overview
The gene therapy market for rare neurological disorders is rapidly evolving, driven by technological advancements and increased investment. However, it faces challenges such as high development costs, regulatory hurdles, and manufacturing complexities.
Positioning
Passage Bio initially aimed to establish itself as a leader in AAV gene therapies for CNS disorders. However, pipeline setbacks led to a change in strategy and a wind-down of operations. Its competitive advantage was based on its focus on rare genetic diseases and proprietary AAV technology.
Total Addressable Market (TAM)
The total addressable market for gene therapies targeting rare neurological disorders is estimated to be in the billions of dollars. Passage Bio's positioning was relative to the specific diseases it targeted. Given its discontinuation of programs, its position relative to TAM is now minimal.
Upturn SWOT Analysis
Strengths
- Focus on rare genetic CNS disorders
- Experience in AAV gene therapy development
- Strong intellectual property portfolio (initially)
Weaknesses
- Pipeline setbacks and clinical trial failures
- Limited financial resources, leading to wind-down
- Dependence on a small number of therapeutic programs
Opportunities
- Potential for strategic partnerships or asset sales
- Advancements in gene therapy delivery technologies
- Unmet medical need in rare CNS disorders (if assets are picked up by another company)
Threats
- Regulatory challenges and approval delays
- Competition from other gene therapy companies
- High costs of gene therapy development and manufacturing
- Clinical trial failures
Competitors and Market Share
Key Competitors
- BLUE
- AVRO
- DTIL
Competitive Landscape
Passage Bio lost its competitive edge due to clinical setbacks. BLUE, AVRO, and DTIL continue to develop gene therapies with varying degrees of success.
Growth Trajectory and Initiatives
Historical Growth: Initial growth was driven by investor interest in gene therapy. Growth ceased following clinical trial failures.
Future Projections: No future growth projected due to wind-down.
Recent Initiatives: Strategic review, pipeline prioritization (ultimately leading to wind-down).
Summary
Passage Bio Inc. was a clinical-stage genetic medicines company that focused on developing therapies for rare CNS disorders. Due to clinical trial failures and financial constraints, the company has entered a wind-down phase. The company had a focus on rare and genetic CNS diseases, but its lack of financial results ultimately caused its downfall. Any remaining assets may be acquired by another company.
Peer Comparison
Sources and Disclaimers
Data Sources:
- SEC Filings
- Company Press Releases
- Industry Reports
- Analyst Reports
Disclaimers:
The information provided is for informational purposes only and should not be considered financial advice. Investment decisions should be based on thorough research and consultation with a qualified financial advisor. The data presented is based on available information and may be 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 Passage Bio Inc
Exchange NASDAQ | Headquaters Philadelphia, PA, United States | ||
IPO Launch date 2020-02-28 | President, CEO & Director Dr. William Chou M.D. | ||
Sector Healthcare | Industry Biotechnology | Full time employees 60 | Website https://www.passagebio.com |
Full time employees 60 | Website https://www.passagebio.com | ||
Passage Bio, Inc., a genetic medicines company, develops gene therapies for central nervous system diseases. It develops PBGM01, a functional GLB1 gene encoding ß-galactosidase for infantile GM1; PBFT02, a functional granulin (GRN) and gene encoding progranulin (PGRN) for the treatment of FTD caused by progranulin deficiency; and PBKR03, a functional GALC gene encoding the hydrolytic enzyme galactosylceramidase for infantile Krabbe disease. The company develops PBML04 for the treatment of metachromatic leukodystrophy; PBAL05 for the treatment of amyotrophic lateral sclerosis; and other program for huntington's disease. It has a strategic research collaboration with the Trustees of the University of Pennsylvania's Gene Therapy Program; and collaboration agreement, and a development services and clinical supply agreement with Catalent Maryland, Inc. The company was incorporated in 2017 and is based in Philadelphia, Pennsylvania.

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