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Biostage, Inc. (BSTG) Stock Analysis

DELISTED 2023

What happened to Biostage, Inc. (BSTG) stock?

Biostage, Inc. (BSTG) no longer trades on public markets. It was delisted in August 2023. The figures below are historical and are not a current quote.

MCap: $57.8M| Vol: 4.5K| 52-wk range: $3.65 – $9.00
Data from FMP · Methodology

For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.

Biostage, Inc. (BSTG) trades at $4.03. Biostage, Inc. is a biotechnology company focused on developing regenerative medicine solutions for gastrointestinal and airway defects. Market cap: $57.8M, Sector: Healthcare.

Last analyzed: Mar 17, 2026
Biostage, Inc. is a biotechnology company focused on developing regenerative medicine solutions for gastrointestinal and airway defects. Their primary focus is the Biostage Esophageal Implant, aimed at treating esophageal cancer.

Analyst Coverage for BSTG: BSTG does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates BSTG against Healthcare peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.

Watch the BSTG film Every key number, told as a short cinematic story — just press play. ~2 min
Council Score · Weighted Average of 3 Disciplines
Bearish Lean 34/100 · D

BSTG: 2/2 scored disciplines lean bearish. Dominant signal: Jim Simons bearish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI
Ray Dalio
Bullish
Ken Griffin
Bearish
Jim Simons
Bearish
Izzy Englander
Neutral
Seth Klarman
Bearish
Moon AI
Bearish
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Negative
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →

Biostage, Inc. (BSTG) Healthcare & Pipeline Overview

CEOJunli He
Employees7
HeadquartersHolliston, US
IPO Year2013

Biostage, Inc., a biotechnology firm, pioneers regenerative medicine with its esophageal implant targeting esophageal cancer, operating in a competitive landscape of larger pharmaceutical and biotech companies. The company's small size and OTC listing present unique challenges and opportunities within the healthcare sector.

Data Provenance | Financial Data Quantitative Analysis Analysis: Mar 17, 2026

What Is the Investment Thesis for BSTG?

As of Mar 17, 2026 — figures reflect the data available on that date.

Biostage, Inc. presents a high-risk, high-reward investment opportunity within the biotechnology sector. The company's focus on regenerative medicine, specifically the Biostage Esophageal Implant, targets a significant unmet need in esophageal cancer treatment. A successful clinical trial and subsequent regulatory approval could drive substantial value. However, the company's small market capitalization of $57.8M and OTC listing indicate significant liquidity and regulatory risks. The negative P/E ratio of -4.38 reflects the company's current lack of profitability, typical for a development-stage biotech firm. The negative beta of -0.97 suggests an inverse correlation with the market, but this may be less reliable due to the company's illiquidity. Key catalysts include progress updates on the Esophageal Implant's development and potential partnerships. Investors should carefully weigh the potential for significant gains against the inherent risks of investing in a small, OTC-listed biotechnology company.

Based on FMP financials and quantitative analysis

BSTG Key Highlights

Market capitalization of $57.8M, indicating a micro-cap company with high growth potential but also significant risk.

  • P/E ratio of -4.38, reflecting the company's current lack of profitability as it focuses on research and development.
  • Beta of -0.97, suggesting a potential inverse correlation with the market, but this may be unreliable due to the company's illiquidity.
  • Focus on the Biostage Esophageal Implant, a novel regenerative medicine approach to treating esophageal cancer.
  • Small team of 7 employees, highlighting the company's early stage of development and reliance on key personnel.

Who Are BSTG's Competitors?

BSTG is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.

Company Price Change Market Cap AI Score
ETXPF E-therapeutics Plc $0.13 +0.00% $76.0M 38
GDNSF Goodness Growth Holdings, Inc. $0.45 +0.00% $61.1M 64
HRPMF Herantis Pharma Oyj $3.51 +0.00% $59.5M 44
KDEVF Karolinska Development AB (publ) $0.26 +0.00% $68.9M 56
MCIOF MCI Onehealth Technologies Inc. $0.55 -1.10% $54.0M 46
RLYB Rallybio Corporation $16.60 -2.35% $88.1M 81
ICCC ImmuCell Corporation $10.09 -0.39% $91.3M 77
JNCE Jounce Therapeutics, Inc. $1.88 +0.00% $99.0M 71

AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance

What Are BSTG's Key Strengths?

Proprietary regenerative medicine technology.

  • Focus on a significant unmet medical need (esophageal cancer).
  • Potential for breakthrough innovation in esophageal reconstruction.
  • Small size allows for agility and focused research efforts.

What Are BSTG's Weaknesses?

Limited financial resources and reliance on external funding.

  • Small team and limited infrastructure.
  • High regulatory hurdles and clinical trial risks.
  • OTC listing indicates limited liquidity and higher risk.

What Could Drive BSTG Stock Higher?

Progress updates on the Biostage Esophageal Implant's clinical trial development.

  • Potential strategic partnerships with larger pharmaceutical companies.
  • Application for orphan drug designation for the Esophageal Implant.
  • Securing additional funding for research and development.
  • Publication of research findings in peer-reviewed journals.

What Are the Key Risks for BSTG?

Weak fundamentals — a Piotroski F-Score of 2/9 flags soft profitability, leverage or efficiency.

  • Clinical trial failures or regulatory setbacks.
  • Limited financial resources and reliance on external funding.
  • Competition from established pharmaceutical companies and other biotech firms.
  • OTC listing indicates limited liquidity and higher risk.
  • Patent infringement or challenges to their intellectual property.

What Are the Growth Opportunities for BSTG?

  • Expansion into new therapeutic areas: Biostage could leverage its regenerative medicine platform to develop treatments for other gastrointestinal or airway defects beyond esophageal cancer. This diversification would reduce reliance on a single product and expand the company's market reach. The market for regenerative medicine is projected to reach $118 billion by 2028, offering ample opportunities for growth. Timeline: 3-5 years, depending on research and development progress.
  • Strategic partnerships with larger pharmaceutical companies: Collaborating with established pharmaceutical companies could provide Biostage with access to funding, expertise, and distribution networks. These partnerships could accelerate the development and commercialization of the Esophageal Implant. Many large pharmaceutical companies actively seek to acquire or partner with smaller biotech firms with promising technologies. Timeline: 1-2 years, contingent on successful preclinical and early clinical data.
  • Securing orphan drug designation for the Esophageal Implant: Obtaining orphan drug designation from regulatory agencies could provide Biostage with market exclusivity, tax credits, and reduced regulatory fees. This designation is granted to drugs that treat rare diseases, providing a significant competitive advantage. The esophageal cancer subtype that Biostage is targeting may qualify for this designation. Timeline: Application within the next year, with a decision expected within 6-12 months.
  • Advancing the Biostage Esophageal Implant through clinical trials: Successful completion of clinical trials is crucial for regulatory approval and commercialization of the Esophageal Implant. Positive clinical data would validate the technology and attract investor interest. The clinical trial process typically takes several years, with multiple phases to assess safety and efficacy. Timeline: Ongoing, with key milestones expected over the next 3-5 years.
  • Exploring international markets for the Esophageal Implant: Expanding into international markets could significantly increase the potential patient population and revenue for the Esophageal Implant. Countries with high rates of esophageal cancer and unmet medical needs could be attractive targets. International expansion would require navigating different regulatory frameworks and establishing local partnerships. Timeline: 3-5 years, following successful US commercialization.

What Are BSTG's Competitive Advantages?

  • Proprietary regenerative medicine technology.
  • Patents protecting the Biostage Esophageal Implant.
  • First-mover advantage in a niche market.
  • Potential for strong relationships with key opinion leaders in the medical community.

What Does BSTG Do?

Biostage, Inc., founded in 2009 and headquartered in Holliston, Massachusetts, is a biotechnology company dedicated to developing regenerative medicine solutions for cancers, injuries, and birth defects affecting the gastro-intestinal tract and airways. Originally named Harvard Apparatus Regenerative Technology, Inc., the company rebranded to Biostage, Inc. in March 2016, signaling a refined focus on its core mission. The company's primary product in development is the Biostage Esophageal Implant, a novel approach to treating esophageal cancer. This implant aims to regenerate a functional esophagus, potentially offering a significant improvement over existing treatments. Biostage operates within the highly competitive biotechnology industry, facing challenges common to small, research-focused companies. These include securing funding, navigating regulatory hurdles, and demonstrating clinical efficacy. The company's small team of 7 employees reflects its current stage of development, focused primarily on research and preclinical studies. Their success hinges on the ability to successfully develop and commercialize the Esophageal Implant, addressing a critical unmet need in cancer treatment. Biostage's future direction will depend on clinical trial outcomes, regulatory approvals, and strategic partnerships to scale production and distribution.

What Products and Services Does BSTG Offer?

  • Develop regenerative medicine solutions for gastrointestinal and airway defects.
  • Focus on treating cancers, injuries, and birth defects of the gastro-intestinal tract and the airways.
  • Develop the Biostage Esophageal Implant for treating esophageal cancer.
  • Conduct research and preclinical studies to advance their technology.
  • Seek regulatory approvals for their products.
  • Explore strategic partnerships to accelerate development and commercialization.

How Does BSTG Make Money?

  • Developing and patenting regenerative medicine technologies.
  • Conducting preclinical and clinical research to validate their products.
  • Seeking regulatory approvals from agencies like the FDA.
  • Potentially out-licensing or partnering with larger companies for commercialization.

What Industry Does BSTG Operate In?

Biostage, Inc. operates within the biotechnology industry, a sector characterized by high innovation, intense competition, and significant regulatory oversight. The regenerative medicine market, in which Biostage competes, is experiencing substantial growth, driven by advancements in cell therapies and tissue engineering. Esophageal cancer treatment, the company's primary focus, represents a significant market opportunity due to the limitations of existing therapies. Competitors range from large pharmaceutical companies with established oncology portfolios to smaller biotech firms developing novel treatment modalities. Biostage's success depends on its ability to differentiate its Esophageal Implant and navigate the complex regulatory landscape.

Who Are BSTG's Key Customers?

  • Hospitals and medical centers that treat esophageal cancer.
  • Surgeons who perform esophageal reconstruction procedures.
  • Patients suffering from esophageal cancer and other gastrointestinal defects.
  • Potential pharmaceutical partners interested in licensing or acquiring their technology.
AI Confidence: 71% Updated: Mar 17, 2026

Company Profile

Biostage, Inc. operates in the Biotechnology industry within the Healthcare sector. It is headquartered in Holliston, US. The company is led by CEO Junli He. BSTG has traded publicly since 2013.

Biostage, Inc. (BSTG) Valuation Context

Valued at $57.8M, BSTG is classified as a micro-cap stock.

Key Financial Metrics

Its free cash flow yield is -17.8%, a gauge of the cash the business throws off relative to its market value. A current ratio of 0.53 means current liabilities exceed short-term assets, a liquidity point worth watching. Its earnings yield is -30.3%, the inverse of the P/E and a quick read on earnings relative to price.

F-Score 2/9

Financial Health

Biostage, Inc.'s Piotroski F-Score is 2/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny.

BSTG Financials

Fundamental Snapshot

Net Income Growth (FY)
+11.2%
EPS Growth (FY)
+19.2%
Free Cash Flow Growth (FY)
+21.1%
Current Ratio
0.5

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

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Bear Case

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AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · March 2026

BSTG Latest News

No recent news available for BSTG.

Leadership: Junli He

CEO

Junli He is the CEO of Biostage, Inc. His background includes experience in managing small teams and overseeing the development of biotechnology products. He is responsible for the overall strategic direction of the company, including research and development, fundraising, and regulatory affairs. His leadership is crucial for navigating the challenges of bringing a novel regenerative medicine product to market.

Track Record: Under Junli He's leadership, Biostage has focused on advancing the Biostage Esophageal Implant through preclinical studies. Key milestones include securing funding for research and development and navigating the regulatory process. His strategic decisions have been instrumental in guiding the company's focus on regenerative medicine for esophageal cancer.

BSTG OTC Market Information

The OTC Other tier represents the lowest tier of the OTC market, indicating that Biostage, Inc. may not meet the minimum financial or disclosure requirements for higher tiers like OTCQB or OTCQX. Companies in this tier often have limited trading volume and may be subject to less stringent regulatory oversight compared to companies listed on major exchanges like the NYSE or NASDAQ. Investing in OTC Other stocks carries a higher degree of risk due to the potential for limited information and liquidity.

  • OTC Tier: OTC Other
Liquidity: Liquidity for BSTG shares on the OTC market is likely limited, given its micro-cap status and OTC Other tier listing. This can result in wider bid-ask spreads, making it more difficult to buy or sell shares at desired prices. Investors may experience difficulty in executing large trades without significantly impacting the stock price. The low liquidity increases the risk of price volatility.
OTC Risk Factors:
  • Limited liquidity and wider bid-ask spreads.
  • Less stringent regulatory oversight compared to major exchanges.
  • Potential for limited financial disclosure and transparency.
  • Higher risk of price manipulation and volatility.
  • Increased difficulty in obtaining reliable information about the company.
Due Diligence Checklist:
  • Verify the company's financial statements and SEC filings (if any).
  • Assess the company's management team and their experience.
  • Research the company's products and technology.
  • Evaluate the company's competitive landscape.
  • Determine the company's cash flow and burn rate.
  • Understand the company's ownership structure and potential conflicts of interest.
  • Consult with a financial advisor before investing.
Legitimacy Signals:
  • Focus on a specific medical need (esophageal cancer).
  • Development of a novel regenerative medicine technology.
  • Patents protecting their technology.
  • Presence of a CEO and management team.
  • Company has been in operation since 2009.

Common Questions About BSTG (Healthcare)

What happened to Biostage, Inc. (BSTG) stock?

Biostage, Inc. (BSTG) no longer trades on public markets. It was delisted in August 2023. The figures below are historical and are not a current quote.

Can I still buy BSTG shares?

No. BSTG stopped trading on public markets in August 2023, so the shares are not available through a broker. Anything you see quoted for BSTG elsewhere is historical data, not a live market.

Are the figures on this page current?

No. Every number here is the last value recorded before BSTG stopped trading. Nothing on this page updates, and none of it is a current quote.

Why does this page still exist?

Because people still search for what happened to Biostage, Inc.. An archived profile that states the delisting plainly is more useful than a dead link — provided it is labelled as history, which is what this page does.

What does Biostage, Inc. do?

Biostage, Inc. is a biotechnology company focused on developing regenerative medicine solutions for cancers, injuries, and birth defects affecting the gastro-intestinal tract and airways. The company's primary focus is the Biostage Esophageal Implant, a novel approach to treating esophageal cancer by regenerating a functional esophagus.

What do analysts say about BSTG stock?

Given Biostage's OTC listing and small market capitalization, formal analyst coverage is likely limited. Key valuation metrics such as P/E ratio (-4.38) reflect the company's current lack of profitability. Growth considerations center on the successful development and commercialization of the Esophageal Implant. Investors should conduct their own thorough research and consider the inherent risks of investing in a small, OTC-listed biotechnology company before making any investment decisions.

What are the main risks for BSTG?

The main risks for Biostage, Inc. include the inherent challenges of developing and commercializing a novel regenerative medicine product. Clinical trial failures, regulatory setbacks, and competition from established pharmaceutical companies pose significant threats. The company's limited financial resources and reliance on external funding also present ongoing risks.

Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.

Official Resources

Analysis updated
Data Sources & Methodology
Market data powered by Financial Modeling Prep & Yahoo Finance. AI analysis by Stock Expert AI proprietary algorithms. Technical indicators via industry-standard calculations. Last updated: .
Data Provenance
Sources: Financial Modeling Prep (FMP) — Primary · Yahoo Finance — Fallback · Alpaca — Tertiary
Last fetched:
Cache TTL: Quote 5min · Profile 7d · Financials 7d · Insider 48h
How we use AI: Numbers are pulled directly from FMP & Yahoo Finance — our AI writes the analysis, it never edits the figures.
Data provided as-is for educational purposes. Not financial advice. Methodology

Data provided for informational purposes only.

Analysis Notes
  • Information is based on publicly available sources and may be subject to change.
  • The AI analysis is pending and may provide additional insights.
Data Sources

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