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Biotest AG (BTTAY) Stock Analysis

Educational signal · not a buy or sell recommendation · How to read this

DELISTED

What happened to Biotest AG (BTTAY) stock?

Biotest AG (BTTAY) no longer trades on public markets. The figures below are historical and are not a current quote.

MCap: $942M| P/E Ratio: 48.06| 52-wk range: $22.80 – $24.27

P/E 48.06 means the share price is 48.06 times one year of earnings per share; the S&P 500 usually sits near 20-25. Market cap $942M is the value of all shares combined.

Data from FMP · Methodology

For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gpt-4o-mini, generated Jun 14, 2026. Editorial oversight is systemic, not page-by-page. Editorially accountable: Sedat ANAK, Founder and Editor-in-Chief. Data sources: Financial Modeling Prep, Yahoo Finance, SEC EDGAR

Biotest AG (BTTAY). Biotest AG is a global pharmaceutical company based in Dreieich, Germany, specializing in biological medicines for hematology, clinical immunology, and intensive care. Market cap: $942M, Sector: Healthcare.

Last analyzed: Jun 14, 2026
Biotest AG is a global pharmaceutical company based in Dreieich, Germany, specializing in biological medicines for hematology, clinical immunology, and intensive care. Established in 1946, it has a diverse product portfolio addressing critical healthcare needs and operates as a subsidiary of Grifols, S.A.

Analyst Coverage for BTTAY: BTTAY 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 BTTAY against Healthcare peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.

Watch the BTTAY film Every key number, told as a short cinematic story — just press play. ~2 min

Dated analysis: the newest financial statements on file are 24 months old (Sep 1, 2024), so the figures and score below describe that period, not today.

Council Score · Weighted Average of 3 Disciplines
Bearish Lean 30/100 · D

BTTAY: 1/2 scored disciplines lean bearish. Dominant signal: Seth Klarman bearish.

How is this calculated? →
Legends Council · 5 Legends + Moon AI

AI simulations built from the named investors' published principles. Not affiliated with, endorsed by, or the opinion of these individuals. How these lenses are built

Englander-style lens (simulated)Izzy Englander
Unfavorable read
Klarman-style lens (simulated)Seth Klarman
Unfavorable read
Moon AI lens (model)
Unfavorable read
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Weak
Margin of Safety
Fairly Valued
Council Score · Weighted Average of 3 Disciplines · See tabs for details →
The lenses are modelled on the published principles of the investors named. We are not affiliated with them, they have not endorsed this, and it is not their opinion of this stock.

Biotest AG (BTTAY) Healthcare & Pipeline Overview

CEOJorg Schuttrumpf
Employees2,495
HeadquartersDreieich, Germany
IPO Year2022

Biotest AG is a leading biotechnology firm focused on developing and commercializing biological medicines, with a strong emphasis on hematology, immunology, and critical care, driven by innovation and a commitment to addressing unmet medical needs.

Data Provenance | Financial Data Quantitative Analysis Analysis: Jun 14, 2026

What Is the Investment Thesis for BTTAY?

AI-written as of Jun 14, 2026 — figures and tone reflect the data available then, not today's score.

Biotest AG presents a unique value proposition in the biotechnology sector, driven by its diverse product portfolio and strategic focus on unmet medical needs. The company has a market capitalization of approximately $0.94 billion and a gross margin of 20.4%, indicating a solid operational foundation. Key growth catalysts include the increasing demand for biological medicines in hematology and immunology, projected to grow significantly in the coming years. Additionally, Biotest's integration into Grifols, S.A. provides enhanced resources for research and development, potentially accelerating product innovation and market penetration. However, the company faces risks such as regulatory challenges and competition from biosimilars, which could impact its market position. Investors should closely monitor these dynamics as they assess Biotest's growth potential.

Based on FMP financials and quantitative analysis

BTTAY Key Highlights

AI-written as of Jun 14, 2026 — figures and tone reflect the data available then, not today's score.

Market capitalization of $942M, reflecting Biotest AG's position in the biotechnology sector.

  • Gross margin of 20.4%, indicating efficient production and operational practices.
  • Profit margin of -7.6%, highlighting the need for improved cost management strategies.
  • Dividend yield of 0.12%, providing a modest return for investors.
  • Employee base of 2,495, showcasing the company's scale and operational capacity.

Who Are BTTAY's Competitors?

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

Company Price Change Market Cap MoonshotScore
GRFS Grifols, S.A. $7.65 -2.17% $6.47B 655-pillar
BAX Baxter International Inc. $24.18 -0.86% $12.5B 535-pillar
CSL Carlisle Companies Incorporated $329.74 -2.31% $13.3B 765-pillar
AMGN Amgen Inc. $382.47 -2.25% $206B 815-pillar
DSGN Design Therapeutics, Inc. $14.54 -1.76% $908M 645-pillar
TBPH Theravance Biopharma, Inc. $17.02 -0.23% $882M 955-pillar
ABUS Arbutus Biopharma Corporation $5.12 -0.97% $1.01B 865-pillar
RIGL Rigel Pharmaceuticals, Inc. $47.26 -0.04% $874M 935-pillar

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

What Are BTTAY's Key Strengths?

Established reputation in the biotechnology sector with over 75 years of experience.

  • Diverse product portfolio addressing critical medical needs across multiple therapeutic areas.
  • Strong research and development capabilities supported by Grifols, S.A.
  • Global operational presence enhances market access and customer reach.

What Are BTTAY's Weaknesses?

Negative profit margin of -7.6%, indicating potential operational inefficiencies.

  • Dependence on a limited number of key products for revenue generation.
  • Challenges in scaling production to meet increasing global demand.
  • Exposure to regulatory risks in different markets.

What Could Drive BTTAY Stock Higher?

Expansion of product offerings in the hematology sector to capture market growth.

  • Continuous investment in research and development to drive innovation and product pipeline enhancement.
  • Integration with Grifols, S.A. providing access to additional resources and market opportunities.
  • Potential regulatory approvals for new therapies targeting unmet medical needs.
  • Strategic partnerships with healthcare organizations to enhance distribution and market reach.

What Are the Key Risks for BTTAY?

Financial-distress signal — its Altman Z-Score of 1.78 sits in the distress zone (elevated bankruptcy risk).

  • Negative return on equity (-4.8%) — the business is not currently generating profit on shareholder capital.
  • Rich valuation — a P/E of 48.06 runs well above the Healthcare sector’s ~21.50x, leaving little room for a miss.
  • Regulatory changes that may impact product approvals and market access.
  • Intense competition from established pharmaceutical and biotechnology companies.
  • Emergence of biosimilars posing challenges to existing product lines.
  • Economic fluctuations affecting healthcare spending and reimbursement rates.

What Are the Growth Opportunities for BTTAY?

  • Growth opportunity 1: Biotest AG is poised to expand its product offerings in the hematology sector, targeting a market projected to reach $50 billion by 2028. The increasing prevalence of blood disorders and advancements in treatment options create a favorable environment for growth. Biotest's established reputation and innovative therapies position it to capture significant market share in this expanding field.
  • Growth opportunity 2: The global immunology market is expected to grow at a CAGR of 9.5% through 2027, driven by rising autoimmune diseases and advancements in biological therapies. Biotest's portfolio, including Intratect and IgG Next Generation, targets key areas within this market, providing a strong foundation for growth as healthcare providers seek effective solutions for immune system disorders.
  • Growth opportunity 3: Biotest's focus on developing therapies for infectious diseases, particularly in light of the COVID-19 pandemic, presents a significant growth avenue. Biotest's existing products, such as Trimodulin, position it well to capitalize on this trend.
  • Growth opportunity 4: The company's integration with Grifols, S.A. enhances its research and development capabilities, allowing for accelerated product innovation. This partnership may lead to the development of new therapies and expansion into new geographic markets, particularly in regions with unmet medical needs, further driving growth.
  • Growth opportunity 5: Biotest AG's commitment to sustainability and ethical practices aligns with increasing consumer demand for socially responsible companies. By focusing on sustainable production methods and transparent supply chains, Biotest can enhance its brand reputation and attract a broader customer base, particularly among healthcare providers prioritizing ethical sourcing.

What Opportunities Does BTTAY Have?

  • Growing demand for biological medicines in hematology and immunology sectors.
  • Expansion potential into emerging markets with unmet healthcare needs.
  • Increased investment in research and development for innovative therapies.
  • Strategic partnerships with healthcare organizations for collaborative growth.

What Are BTTAY's Competitive Advantages?

  • Strong brand reputation built over decades in the biotechnology sector.
  • Diverse product portfolio addressing critical healthcare needs.
  • Established relationships with healthcare providers and institutions.
  • Integration with Grifols, S.A. provides enhanced resources and capabilities.
  • Commitment to innovation and research differentiates Biotest from competitors.

What Does BTTAY Do?

Biotest AG, founded in 1946, operates from its headquarters in Dreieich, Germany, as a prominent player in the pharmaceutical industry. Initially established as Biotest Serum-Institut GmbH, the company transitioned to Biotest Aktiengesellschaft in 1986, reflecting its growth and evolution in the biotechnology sector. Biotest specializes in the research, development, manufacturing, and commercialization of biological medicines, strategically organized into Therapy, Plasma & Services, and Other divisions. Its comprehensive product portfolio encompasses treatments for hematology, clinical immunology, and intensive care medicine. Notable products include Haemoctin and Vihuma for hemophilia A, and Haemonine for hemophilia B, addressing both acute episodes and long-term prevention. Additionally, Biotest's infectious disease portfolio features therapies such as Cytotect CP for cytomegalovirus and Varitect for varicella zoster virus. The company also provides several Hepatitis B-related products and treatments for immune system disorders, such as Intratect and IgG Next Generation. Biotest’s commitment to innovation is evident in its specialized treatments, including Trimodulin for community-acquired pneumonia and COVID-19, and Pentaglobin for bacterial infections. As of January 21, 2022, Biotest AG operates as a subsidiary of Grifols, S.A., enhancing its global reach and operational capabilities.

What Products and Services Does BTTAY Offer?

  • Develops and manufactures biological medicines for various medical conditions.
  • Offers treatments for hematology, clinical immunology, and intensive care medicine.
  • Provides therapies for hemophilia, infectious diseases, and immune system disorders.
  • Engages in research and development to innovate new treatment options.
  • Operates globally, supplying products to healthcare providers and institutions.
  • Functions as a subsidiary of Grifols, S.A., enhancing operational capabilities.

How Does BTTAY Make Money?

  • Generates revenue through the sale of biological medicines to healthcare providers.
  • Engages in partnerships and collaborations for research and development.
  • Utilizes a tiered pricing strategy to cater to different market segments.
  • Focuses on expanding product offerings to address unmet medical needs.
  • Leverages its global presence to access diverse markets and customer bases.

What Industry Does BTTAY Operate In?

The biotechnology industry is experiencing robust growth, driven by advancements in biological therapies and increasing demand for innovative treatments. The global market for biological medicines is projected to expand significantly, fueled by rising incidences of chronic diseases and an aging population. Biotest AG competes in a dynamic landscape, facing competition from established pharmaceutical companies and emerging biotech firms. The company's focus on specialized therapies positions it well to capitalize on market trends, particularly in hematology and immunology, where there is a growing need for effective treatment options.

Who Are BTTAY's Key Customers?

  • Healthcare providers, including hospitals and clinics.
  • Pharmaceutical distributors and wholesalers.
  • Patients requiring specialized treatments for chronic conditions.
  • Research institutions and laboratories involved in clinical studies.
  • Government health agencies and organizations.
Model self-rating on this text: 65% (not a measure of the evidence) Updated: Jun 14, 2026

Research confidence

Low 15/100

Thin evidence — scoring coverage unknown. Treat this as a starting point, not a conclusion.

  • Scoring coverage unknown
  • Price 5 days old
  • Latest filing 529 days ago
  • No analyst coverage
  • Reported in EUR, converted to USD

MoonshotScore History

Recorded daily since 2026-08-23 · 4 snapshots

2026-08-23 48
2026-08-24 48
2026-08-25 48
2026-08-26 48

What changed?

The score has stayed at 48.

Over the same 3 days the stock moved +0.0%.

F-Score 4/9

Financial Health

Biotest AG's Piotroski F-Score is 4/9, a 9-point checklist of profitability, leverage and efficiency — a middling fundamental profile. Its Altman Z-Score of 1.78 places it in the distress zone, a signal of elevated financial risk.

ROE -5%

Key Financial Metrics

Return on equity for Biotest AG stands at -4.8%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -1.8%, showing how much profit it generates from its asset base. Its free cash flow yield is -3.1%, a gauge of the cash the business throws off relative to its market value. A current ratio of 4.93 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -2.0%, the inverse of the P/E and a quick read on earnings relative to price.

Biotest AG (BTTAY) Valuation Context

Valued at $942M, BTTAY is classified as a small-cap stock.

BTTAY Revenue & Earnings Trend

In Q1 FY2025, BTTAY generated $144.1M in top-line revenue, marking a sequential decrease of 39.0%. The company recorded a net loss of $24.8M, with diluted EPS of $-0.32. Quarter-over-quarter revenue has been mixed, typical for a small-cap company operating in Healthcare. Across the four most recent quarters, BTTAY averaged $-0.09 in diluted EPS.

Company Profile

Biotest AG operates in the Biotechnology industry within the Healthcare sector. It is headquartered in Dreieich, DE. The company is led by CEO Jorg Schuttrumpf. BTTAY has traded publicly since 2022.

BTTAY Financials

Fundamental Snapshot

Revenue Growth (FY)
+6.1%
Net Income Growth (FY)
-79.2%
EPS Growth (FY)
-77.8%
Free Cash Flow Growth (FY)
+189.2%
P/E (TTM)
48.06
Return on Equity (TTM)
-4.8%
Current Ratio
4.9

Based on FMP financials and quantitative analysis · FY 2024

Bull Case vs Bear Case

Bull Case

  • Established reputation in the biotechnology sector with over 75 years of experience.
  • Diverse product portfolio addressing critical medical needs across multiple therapeutic areas.
  • Strong research and development capabilities supported by Grifols, S.A.
  • Global operational presence enhances market access and customer reach.

Bear Case

  • Negative profit margin of -7.6%, indicating potential operational inefficiencies.
  • Dependence on a limited number of key products for revenue generation.
  • Challenges in scaling production to meet increasing global demand.
  • Exposure to regulatory risks in different markets.

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

Recent Quarterly Results

Quarter Revenue Net Income EPS
Q1 FY2025 $144M -$25M -$0.32
Q4 FY2024 $236M -$4M -$0.05
Q3 FY2024 $175M -$11M -$0.15
Q2 FY2024 $182M $11M $0.14

Q1 FY2025 · filed 31 Mar 2025 · SEC EDGAR →

Based on FMP financials and quantitative analysis · Converted to USD from EUR at today's rate

BTTAY Latest News

No recent news available for BTTAY.

Leadership: Jorg Schuttrumpf

CEO

Jorg Schuttrumpf has extensive experience in the pharmaceutical and biotechnology sectors, having held various leadership positions throughout his career. He has a strong academic background in life sciences and business management, equipping him with the skills necessary to lead Biotest AG effectively. Schuttrumpf has been instrumental in driving the company's strategic initiatives and operational improvements, ensuring alignment with market demands.

Track Record: Under Schuttrumpf's leadership, Biotest AG has successfully expanded its product portfolio and enhanced its research capabilities. He has overseen the integration of Biotest into Grifols, S.A., positioning the company for future growth and innovation.

Biotest AG ADR Information Unsponsored

An American Depositary Receipt (ADR) represents shares of a foreign company traded on U.S. exchanges. Biotest AG's ADR allows U.S. investors to gain exposure to the company's stock while trading in U.S. dollars, simplifying the investment process.

  • Home Market Ticker: BTTA on the Frankfurt Stock Exchange, Germany
  • ADR Level: 1
  • ADR Ratio: 1:1
  • Home Market Ticker: BTTA
Currency Risk: Investors holding Biotest AG's ADR are exposed to currency risk as fluctuations in the Euro against the U.S. dollar can impact the value of their investment. Changes in exchange rates may affect the dividends received and the overall return on investment.
Tax Implications: U.S. investors may be subject to a foreign dividend withholding tax rate on dividends received from Biotest AG. The specific rate may vary based on tax treaties between the U.S. and Germany.
Trading Hours: The Frankfurt Stock Exchange operates from 9:00 AM to 5:30 PM CET, while U.S. markets typically operate from 9:30 AM to 4:00 PM EST. This time difference can impact trading volumes and price movements during overlapping hours.

BTTAY OTC Market Information

The OTC Other tier includes stocks that do not meet the listing requirements for major exchanges like NYSE or NASDAQ. These stocks may have less stringent reporting standards, resulting in varying levels of transparency and liquidity compared to listed companies.

  • OTC Tier: OTC Other
Liquidity: Trading volume for Biotest AG on the OTC market may be lower compared to major exchanges, leading to wider bid-ask spreads and potential trading difficulties. Investors should be aware of these factors when considering transactions.
OTC Risk Factors:
  • Limited liquidity can result in higher volatility and difficulty in executing trades.
  • Less stringent reporting requirements may lead to less transparency in financial performance.
  • Potential for price manipulation due to lower trading volumes.
  • Increased exposure to regulatory scrutiny compared to listed companies.
Due Diligence Checklist:
  • Review financial statements and disclosures available for Biotest AG.
  • Analyze the competitive landscape and market positioning.
  • Assess the company's growth strategy and product pipeline.
  • Monitor regulatory developments affecting the biotechnology sector.
  • Evaluate the impact of currency fluctuations on investment returns.
Legitimacy Signals:
  • Established history since 1946, indicating stability and experience.
  • Partnership with Grifols, S.A., a reputable global healthcare company.
  • Diverse product portfolio addressing critical healthcare needs.
  • Active engagement in research and development for innovative therapies.

Common Questions About BTTAY (Healthcare)

What happened to Biotest AG (BTTAY) stock?

Biotest AG (BTTAY) no longer trades on public markets. The figures below are historical and are not a current quote.

Can I still buy BTTAY shares?

No. BTTAY stopped trading on public markets, so the shares are not available through a broker. Anything you see quoted for BTTAY 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 BTTAY 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 Biotest AG. 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 Biotest AG do?

Biotest AG develops, manufactures, and sells biological medicines, focusing on critical areas such as hematology, clinical immunology, and intensive care medicine.

What do analysts say about BTTAY stock?

Analysts generally view Biotest AG as a company with significant growth potential, particularly in the biotechnology sector. Key valuation metrics, such as its gross margin of 20.4%, suggest operational efficiency, while the company's strategic focus on expanding its product portfolio aligns with market trends. Investors may want to evaluate these factors when evaluating the stock's future performance.

What are the main risks for BTTAY?

Biotest AG faces several risks, including regulatory challenges that may affect product approvals and market access. Additionally, intense competition from established pharmaceutical companies could impact market share.

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

MoonshotScore is not published for this security.

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.

Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis

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