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Turnstone Biologics Corp. Common Stock (TSBX)



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Upturn Advisory Summary
08/11/2025: TSBX (1-star) is currently NOT-A-BUY. Pass it for now.
1 Year Target Price $1
1 Year Target Price $1
0 | Strong Buy |
0 | Buy |
1 | Hold |
0 | Sell |
0 | Strong Sell |
Analysis of Past Performance
Type Stock | Historic Profit -32.92% | Avg. Invested days 36 | Today’s Advisory PASS |
Upturn Star Rating ![]() ![]() | Upturn Advisory Performance ![]() | Stock Returns Performance ![]() |
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Key Highlights
Company Size Small-Cap Stock | Market Capitalization 8.21M USD | Price to earnings Ratio - | 1Y Target Price 1 |
Price to earnings Ratio - | 1Y Target Price 1 | ||
Volume (30-day avg) 1 | Beta 1.37 | 52 Weeks Range 0.29 - 0.81 | Updated Date 08/15/2025 |
52 Weeks Range 0.29 - 0.81 | Updated Date 08/15/2025 | ||
Dividends yield (FY) - | Basic EPS (TTM) -2.04 |
Earnings Date
Report Date 2025-08-08 | When - | Estimate -0.68 | Actual -0.24 |
Profitability
Profit Margin - | Operating Margin (TTM) - |
Management Effectiveness
Return on Assets (TTM) -57.78% | Return on Equity (TTM) -126.71% |
Valuation
Trailing PE - | Forward PE - | Enterprise Value -8062055 | Price to Sales(TTM) 2.13 |
Enterprise Value -8062055 | Price to Sales(TTM) 2.13 | ||
Enterprise Value to Revenue - | Enterprise Value to EBITDA 0.8 | Shares Outstanding 23140700 | Shares Floating 14104714 |
Shares Outstanding 23140700 | Shares Floating 14104714 | ||
Percent Insiders 7.7 | Percent Institutions 51.49 |
Upturn AI SWOT
Turnstone Biologics Corp. Common Stock
Company Overview
History and Background
Turnstone Biologics Corp. is a clinical-stage biotechnology company focused on developing innovative cancer immunotherapies. Founded in 2015, Turnstone has advanced multiple programs into clinical trials, leveraging its proprietary platform to design and develop tumor-infiltrating lymphocyte (TIL) and oncolytic virus therapies.
Core Business Areas
- Tumor-Infiltrating Lymphocytes (TILs): Developing adoptive cell therapies utilizing selected TILs to target and destroy cancer cells.
- Oncolytic Viruses: Engineering oncolytic viruses to selectively infect and kill cancer cells while stimulating an immune response.
Leadership and Structure
The leadership team includes key executives with expertise in oncology drug development. The organizational structure is typical of a biotechnology company, with research and development, clinical operations, and business development functions.
Top Products and Market Share
Key Offerings
- Tidalsin: Tidalsin is Turnstone's lead TIL therapy candidate being evaluated in various solid tumors. Competitors in the TIL therapy space include Iovance Biotherapeutics (IOVA). Market share is evolving, but early clinical data suggests Tidalsin has promising activity.
- RP3223: RP3223 is Turnstone's lead oncolytic virus candidate. Competitors in the oncolytic virus space include Replimune Group (REPL) and BioVaxys Technology Corp. Market share is still developing.
Market Dynamics
Industry Overview
The immuno-oncology industry is rapidly growing, driven by advancements in cancer therapies that harness the body's immune system. Competition is intense, with many companies developing novel approaches to treat cancer.
Positioning
Turnstone Biologics Corp. is positioned as an innovator in the TIL and oncolytic virus therapy space. Its competitive advantage lies in its proprietary platform and its focus on developing personalized cancer immunotherapies.
Total Addressable Market (TAM)
The global cancer immunotherapy market is projected to reach hundreds of billions USD in the coming years. Turnstone Biologics Corp. is positioning itself to capture a portion of this market by developing novel therapies targeting specific tumor types.
Upturn SWOT Analysis
Strengths
- Proprietary TIL and oncolytic virus technology platforms
- Strong preclinical and clinical data
- Experienced management team
- Strategic collaborations with leading research institutions
Weaknesses
- Limited financial resources compared to larger pharmaceutical companies
- Clinical trial risks and regulatory hurdles
- High development costs
- Reliance on third-party manufacturers
Opportunities
- Potential for breakthrough therapies in difficult-to-treat cancers
- Expansion into new cancer indications
- Strategic partnerships with pharmaceutical companies
- Advancements in personalized medicine
Threats
- Competition from established pharmaceutical companies
- Failure of clinical trials
- Changes in regulatory landscape
- Economic downturn
Competitors and Market Share
Key Competitors
- IOVA
- REPL
- CRBU
- ZYME
Competitive Landscape
Turnstone is a small player compared to established companies, but it has innovative technology. Success depends on demonstrating superior clinical efficacy.
Growth Trajectory and Initiatives
Historical Growth: Turnstone's growth is measured by progress in clinical trials and partnerships. They are a growth stock.
Future Projections: Future growth depends on the success of its clinical programs and its ability to secure partnerships or funding.
Recent Initiatives: Recent initiatives include advancing its TIL and oncolytic virus programs into later-stage clinical trials and establishing collaborations with other companies.
Summary
Turnstone Biologics is a clinical-stage company with innovative cancer immunotherapy platforms. Its success depends heavily on positive clinical trial results, particularly for Tidalsin and RP3223. While the company has strong science, it also faces risks typical of biotech companies, including financial constraints and clinical trial failures. The company's prospects hinge on successfully navigating the regulatory landscape and maintaining sufficient funding to support its research and development efforts. Positive Phase II data for lead compounds would significantly improve their standing.
Peer Comparison
Sources and Disclaimers
Data Sources:
- Company Website
- SEC Filings
- Analyst Reports
- ClinicalTrials.gov
Disclaimers:
This analysis is for informational purposes only and should not be considered investment advice. The information provided is based on publicly available data, which may be subject to change. Investment decisions should be made based on your own research and consultation with a financial advisor.
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 Turnstone Biologics Corp. Common Stock
Exchange NASDAQ | Headquaters San Diego, CA, United States | ||
IPO Launch date 2023-07-21 | President, CEO & Director Dr. Sammy J. Farah M.B.A., Ph.D. | ||
Sector Healthcare | Industry Biotechnology | Full time employees 14 | Website https://turnstonebio.com |
Full time employees 14 | Website https://turnstonebio.com |
Turnstone Biologics Corp. operates as a biotechnology company. The company was founded in 2014 and is headquartered in San Diego, California. As of August 11, 2025, Turnstone Biologics Corp. operates as a subsidiary of XOMA Royalty Corporation.

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