Nabriva Therapeutics plc (NBRV) Stock Analysis
DELISTED 2023
What happened to Nabriva Therapeutics plc (NBRV) stock?
Nabriva Therapeutics plc (NBRV) no longer trades on public markets. It was delisted in August 2023. The figures below are historical and are not a current quote.
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.
Nabriva Therapeutics plc (NBRV) trades at $1.42. Nabriva Therapeutics plc is a biopharmaceutical company focused on developing and commercializing novel anti-infective agents to treat serious infections. Market cap: $4.55M, Sector: Healthcare.
Last analyzed: Jun 15, 2026Analyst Coverage for NBRV: NBRV 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 NBRV against Healthcare peers across nine fundamental dimensions and assigns a neutral fundamental signal based on the underlying data.
NBRV: 1/2 scored disciplines lean bearish.
How is this calculated? →Nabriva Therapeutics plc (NBRV) Healthcare & Pipeline Overview
Nabriva Therapeutics plc is a biopharmaceutical entity based in Dublin, Ireland, specializing in the development and commercialization of novel anti-infective agents. The company leverages its proprietary compounds, including the approved XENLETA and SIVEXTRO, alongside pipeline assets like CONTEPO, to address critical unmet needs in treating serious bacterial infections, positioning itself in a vital segment of the global healthcare market.
What Is the Investment Thesis for NBRV?
Nabriva Therapeutics plc operates in the critical and continuously evolving anti-infective market, addressing significant unmet medical needs. The company's investment thesis is anchored by its portfolio of novel antibacterial agents, SIVEXTRO and XENLETA, which are already approved for specific indications like ABSSSI and community-acquired bacterial pneumonia. A primary value driver is the extensive Phase I clinical development program for XENLETA, exploring its potential across a wide array of serious infections including pediatric infections, sexually transmitted infections, cystic fibrosis, and various hospital-acquired bacterial pneumonias. Success in these trials could significantly expand XENLETA's market opportunity and revenue streams. Additionally, CONTEPO, an epoxide antibiotic, is in Phase I for complicated urinary tract infections and peri-operative prophylaxis, representing another potential growth catalyst. The company's focus on novel mechanisms of action in anti-infectives positions it to address the growing threat of antimicrobial resistance. With a market capitalization of $4.55M and a Beta of 1.55, the company exhibits characteristics of a smaller, more volatile biotechnology firm, where pipeline success is paramount for future valuation. The ongoing development efforts, if successful, could unlock substantial value by tapping into large, underserved patient populations.
Based on FMP financials and quantitative analysis
NBRV Key Highlights
Nabriva Therapeutics plc maintains a focused pipeline on novel anti-infective agents, addressing a critical global health challenge.
- The company has two commercialized products, SIVEXTRO for ABSSSI and XENLETA for community-acquired bacterial pneumonia, providing existing revenue potential.
- XENLETA is undergoing extensive Phase I clinical trials for multiple new indications, including pediatric infections and various severe bacterial pneumonias.
- CONTEPO, an epoxide antibiotic, is in Phase I development for complicated urinary tract infections and peri-operative prophylaxis, diversifying the pipeline.
- With a reported Beta of 1.55, the company's stock exhibits higher volatility compared to the broader market, characteristic of the biotechnology sector.
Who Are NBRV's Competitors?
NBRV is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.
| Company | Price | Change | Market Cap | AI Score |
|---|---|---|---|---|
| ADAPY Adaptimmune Therapeutics plc | $0.03 | +0.00% | $7.16M | 72 |
| 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 |
| ORMP Oramed Pharmaceuticals Inc. | $4.79 | +0.00% | $196M | 77 |
| CGEN Compugen Ltd. | $2.65 | +8.61% | $251M | 76 |
| NAGE Niagen Bioscience Inc | $3.15 | -0.63% | $251M | 74 |
| ADGI Adagio Therapeutics, Inc. | $4.64 | +0.87% | $506M | 71 |
AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance
What Are NBRV's Key Strengths?
Possesses two approved anti-infective products, SIVEXTRO and XENLETA, providing current market presence.
- Pipeline includes novel drug candidates (XENLETA, CONTEPO) targeting a broad range of serious infections, including those with high unmet needs.
- Specialized focus on anti-infectives addresses the critical global health challenge of antimicrobial resistance.
- Headquartered in Ireland, potentially offering strategic advantages in a global pharmaceutical market.
What Are NBRV's Weaknesses?
Small market capitalization ($0.00B) suggests limited financial resources compared to larger pharmaceutical companies.
- High reliance on the success of its clinical pipeline, particularly XENLETA and CONTEPO, which are in early-stage Phase I trials for new indications.
- The biotechnology sector's inherent volatility, reflected in a Beta of 1.55, indicates higher investment risk.
- Limited number of employees (39) may constrain the scope and speed of simultaneous development and commercialization efforts.
What Could Drive NBRV Stock Higher?
NBRV catalyst: Announcement of Phase I clinical trial results for XENLETA in pediatric infections, potentially validating its broader utility.
- Progression of XENLETA into later-stage clinical trials for indications such as sexually transmitted infections or cystic fibrosis, signaling pipeline advancement.
- Release of Phase I data for CONTEPO in complicated urinary tract infections, which could de-risk the asset and attract further investment.
- Continued commercialization efforts for SIVEXTRO and XENLETA in their approved indications, contributing to baseline revenue.
What Are the Key Risks for NBRV?
Financial-distress signal — its Altman Z-Score of -44.35 sits in the distress zone (elevated bankruptcy risk).
- Weak fundamentals — a Piotroski F-Score of 3/9 flags soft profitability, leverage or efficiency.
- Clinical trial failures for XENLETA or CONTEPO in their respective Phase I programs could significantly impact future growth prospects and investor confidence.
- Regulatory delays or non-approvals for expanded indications of XENLETA or for CONTEPO could impede market entry and revenue generation.
- Intense competition within the anti-infective market from larger pharmaceutical companies with greater resources for R&D and commercialization.
- Financial constraints and the need for additional capital raises, given the small market capitalization and high costs associated with drug development.
- The evolving landscape of antimicrobial resistance, which necessitates continuous innovation and can render existing treatments less effective over time.
What Are the Growth Opportunities for NBRV?
- **Expansion of XENLETA into Pediatric Infections:** XENLETA is currently in Phase I clinical trials for pediatric infections. This represents a significant growth opportunity as there is a continuous need for safe and effective anti-infective treatments tailored for children, a demographic often underserved by new drug approvals. The market for pediatric antibiotics is substantial, driven by common childhood illnesses and more serious infections, with successful development potentially opening access to a broad patient population and establishing XENLETA as a versatile treatment option across age groups. Regulatory pathways often provide incentives for pediatric drug development, further enhancing this opportunity.
- **Broadening XENLETA's Indications for Severe Bacterial Pneumonias:** Nabriva is investigating XENLETA in Phase I trials for ventilator-associated bacterial pneumonia (VABP) and hospital-acquired bacterial pneumonia (HABP). These conditions are associated with high morbidity and mortality rates, particularly in intensive care settings, and often involve multi-drug resistant pathogens. Successfully expanding XENLETA's label to include these severe indications would tap into a critical hospital market segment where effective treatment options are urgently needed, potentially commanding premium pricing and addressing a significant clinical burden.
- **XENLETA for Sexually Transmitted Infections and Cystic Fibrosis:** The company is also exploring XENLETA in Phase I for sexually transmitted infections (STIs) and cystic fibrosis (CF) related infections. STIs represent a large and often undertreated global health issue, with increasing resistance to current therapies. Cystic fibrosis patients frequently suffer from chronic lung infections that are difficult to eradicate. Success in these areas could position XENLETA as a valuable treatment in two distinct, high-need patient populations, offering diversified revenue streams beyond its current CABP indication and addressing specific therapeutic gaps.
- **Development of CONTEPO for Complicated Urinary Tract Infections (cUTI):** CONTEPO, an epoxide antibiotic, is in Phase I clinical trials for complicated urinary tract infections. cUTIs are a common and often recurrent type of infection, frequently caused by resistant bacteria, leading to significant healthcare costs and patient discomfort. A novel antibiotic like CONTEPO, if proven safe and effective, could capture a substantial share of the cUTI market, providing a much-needed alternative for patients who have failed standard therapies or are infected with resistant strains. The market for cUTI treatments is consistently robust.
- **CONTEPO for Peri-operative Prophylaxis:** Nabriva is also developing CONTEPO in Phase I for peri-operative prophylaxis. This application aims to prevent surgical site infections, which are a major cause of post-operative morbidity and mortality, and a significant burden on healthcare systems. A highly effective prophylactic agent could see widespread use across various surgical specialties. The market for peri-operative antibiotics is substantial and stable, driven by the high volume of surgical procedures performed globally, offering a consistent demand for effective preventative measures.
What Opportunities Does NBRV Have?
- Successful expansion of XENLETA's indications into pediatric infections, STIs, CF, VABP, HABP, and other severe infections could significantly broaden its market.
- Positive clinical trial results for CONTEPO in cUTI and peri-operative prophylaxis could introduce a new revenue-generating product.
- Addressing the growing threat of antibiotic resistance creates a persistent demand for novel anti-infective agents.
- Potential for strategic partnerships or licensing agreements to accelerate development and commercialization efforts globally.
What Threats Does NBRV Face?
- Clinical trial failures or unexpected safety concerns could halt the development of pipeline assets like XENLETA and CONTEPO.
- Intense competition from larger pharmaceutical companies with greater R&D budgets and established market presence in anti-infectives.
- Regulatory hurdles and delays in obtaining approvals for new indications or drug candidates.
- Market acceptance and reimbursement challenges for new anti-infectives, particularly in a cost-sensitive healthcare environment.
What Are NBRV's Competitive Advantages?
- Proprietary drug compounds with novel mechanisms of action, such as the pleuromutilin XENLETA and epoxide CONTEPO, offering potential advantages against resistant pathogens.
- Intellectual property protection (patents) surrounding its drug candidates and approved products, limiting direct competition for a period.
- Specialized focus on anti-infective drug development, building deep expertise and a targeted pipeline in a challenging therapeutic area.
- Regulatory approvals for SIVEXTRO and XENLETA, providing established market access and a foundation for pipeline expansion.
What Does NBRV Do?
Nabriva Therapeutics plc, incorporated in 2005 and headquartered in Dublin, Ireland, is a biopharmaceutical company dedicated to the discovery, development, and commercialization of innovative anti-infective agents designed to combat serious infections. The company's strategic focus is on addressing the growing challenge of antimicrobial resistance by bringing new therapeutic options to market. Its foundational product, SIVEXTRO, is an oxazolidinone-class antibacterial approved for the treatment of acute bacterial skin and skin structure infection (ABSSSI), providing an important option for clinicians managing these complex infections. Complementing SIVEXTRO is XENLETA, a semi-synthetic pleuromutilin antibiotic, which has received approval for the treatment of community-acquired bacterial pneumonia (CABP). Beyond its commercialized products, Nabriva Therapeutics maintains an active and diverse pipeline aimed at expanding the utility of its existing assets and introducing new ones. XENLETA is currently undergoing Phase I clinical trials to explore its potential in a broad range of additional indications, including pediatric infections, sexually transmitted infections, cystic fibrosis, ventilator-associated bacterial pneumonia (VABP), hospital-acquired bacterial pneumonia (HABP), osteomyelitis, and prosthetic joint infections. This extensive development program underscores the company's commitment to maximizing the therapeutic reach of XENLETA. Furthermore, Nabriva Therapeutics is advancing CONTEPO, an epoxide antibiotic, through Phase I clinical trials for its potential application in treating complicated urinary tract infections (cUTI) and for peri-operative prophylaxis. The company's evolution from Nabriva Therapeutics Forschungs GmbH in 2005 to its current plc structure in 2007 reflects its growth and strategic positioning within the global biopharmaceutical landscape, aiming to deliver critical anti-infective solutions to patients worldwide.
What Products and Services Does NBRV Offer?
- Develop and commercialize novel anti-infective agents to treat serious bacterial infections.
- Market SIVEXTRO, an oxazolidinone-class antibacterial, for acute bacterial skin and skin structure infection (ABSSSI).
- Market XENLETA, a semi-synthetic pleuromutilin antibiotic, for community-acquired bacterial pneumonia.
- Conduct Phase I clinical trials for XENLETA to expand its indications to pediatric infections, sexually transmitted infections, cystic fibrosis, and various severe pneumonias.
- Develop CONTEPO, an epoxide antibiotic, in Phase I trials for complicated urinary tract infections (cUTI).
- Investigate CONTEPO in Phase I for peri-operative prophylaxis to prevent surgical site infections.
- Focus on addressing the growing global challenge of antimicrobial resistance with new therapeutic options.
- Operate as a biopharmaceutical company headquartered in Dublin, Ireland.
How Does NBRV Make Money?
- Generate revenue through the commercialization and sales of approved anti-infective products like SIVEXTRO and XENLETA.
- Invest in research and development to advance a pipeline of novel anti-infective candidates, aiming for future product approvals and market expansion.
- Potentially pursue licensing agreements or partnerships for the development and commercialization of its drug candidates in specific territories or indications.
- Focus on therapeutic areas with high unmet medical needs and significant market potential to maximize return on R&D investments.
What Industry Does NBRV Operate In?
The biotechnology industry, particularly the anti-infective segment, is characterized by high research and development costs, stringent regulatory pathways, and a constant need for innovation due to evolving antimicrobial resistance. Nabriva Therapeutics plc operates within this challenging yet vital landscape, focusing on developing novel agents to combat serious bacterial infections. The global market for anti-infectives is substantial, driven by increasing rates of drug-resistant pathogens and a growing elderly population. However, the market also faces challenges such as limited reimbursement for new antibiotics and the difficulty of demonstrating significant clinical superiority over existing generics. Nabriva's strategy of developing new classes of antibiotics, such as the pleuromutilin XENLETA and the epoxide CONTEPO, positions it to potentially address areas where current treatments are becoming less effective. The company competes with larger pharmaceutical firms and other biotechnology companies that are also developing anti-infective therapies, necessitating a strong scientific foundation and efficient clinical development.
Who Are NBRV's Key Customers?
- Hospitals and healthcare systems treating patients with serious bacterial infections.
- Infectious disease specialists and other prescribing physicians.
- Patients suffering from acute bacterial skin and skin structure infections (ABSSSI) and community-acquired bacterial pneumonia (CABP).
- Future patient populations requiring treatment for pediatric infections, STIs, CF-related infections, VABP, HABP, osteomyelitis, prosthetic joint infections, cUTI, and surgical prophylaxis.
Company Profile
Nabriva Therapeutics plc operates in the Biotechnology industry within the Healthcare sector. It is headquartered in Dublin, IE. The company is led by CEO Colin Broom. NBRV has traded publicly since 2017.
How Nabriva Therapeutics plc Is Valued
Nabriva Therapeutics plc carries a market capitalization of $4.55M, placing it in the micro-cap category.
Financial Health
Nabriva Therapeutics plc's Piotroski F-Score is 3/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of -44.35 places it in the distress zone, a signal of elevated financial risk.
NBRV Financials
Fundamental Snapshot
Based on FMP financials and quantitative analysis
Bull Case vs Bear Case
Bull Case
- Possesses two approved anti-infective products, SIVEXTRO and XENLETA, providing current market presence.
- Pipeline includes novel drug candidates (XENLETA, CONTEPO) targeting a broad range of serious infections, including those with high unmet needs.
- Specialized focus on anti-infectives addresses the critical global health challenge of antimicrobial resistance.
- Headquartered in Ireland, potentially offering strategic advantages in a global pharmaceutical market.
Bear Case
- Small market capitalization ($0.00B) suggests limited financial resources compared to larger pharmaceutical companies.
- High reliance on the success of its clinical pipeline, particularly XENLETA and CONTEPO, which are in early-stage Phase I trials for new indications.
- The biotechnology sector's inherent volatility, reflected in a Beta of 1.55, indicates higher investment risk.
- Limited number of employees (39) may constrain the scope and speed of simultaneous development and commercialization efforts.
AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · August 2026
NBRV Latest News
No recent news available for NBRV.
Leadership: Colin Broom
CEO
Colin Broom serves as the Chief Executive Officer of Nabriva Therapeutics plc, leading the company's strategic direction and operations. His career in the pharmaceutical and biotechnology sectors spans numerous leadership roles, demonstrating extensive experience in drug development, commercialization, and corporate strategy. Prior to his tenure at Nabriva, Mr. Broom held significant positions at various global pharmaceutical companies, contributing to the advancement of numerous therapeutic programs. His background typically encompasses a strong scientific foundation combined with a proven track record in executive management within the life sciences industry.
Track Record: Under Colin Broom's leadership, Nabriva Therapeutics plc has focused on advancing its anti-infective pipeline and commercializing its approved products. Key achievements include the continued development of XENLETA for expanded indications into multiple serious infections, and the progression of CONTEPO through Phase I clinical trials. His strategic decisions have centered on leveraging novel anti-infective mechanisms to address unmet medical needs, guiding the company's efforts to bring new solutions to patients facing serious bacterial infections and navigating the complex landscape of pharmaceutical development.
Common Questions About NBRV (Healthcare)
What happened to Nabriva Therapeutics plc (NBRV) stock?
Nabriva Therapeutics plc (NBRV) 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 NBRV shares?
No. NBRV stopped trading on public markets in August 2023, so the shares are not available through a broker. Anything you see quoted for NBRV 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 NBRV 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 Nabriva Therapeutics plc. 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 Nabriva Therapeutics plc do?
Nabriva Therapeutics plc is a biopharmaceutical company dedicated to developing and commercializing novel anti-infective agents to treat serious bacterial infections. The company's core business involves advancing its pipeline of drug candidates, such as XENLETA and CONTEPO, through clinical trials for various indications, while also commercializing its approved products.
What are the key growth opportunities for NBRV in anti-infectives?
Nabriva Therapeutics plc's primary growth opportunities stem from the expansion of its existing product, XENLETA, and the advancement of its pipeline candidate, CONTEPO. XENLETA is currently in Phase I clinical trials for a wide range of new indications, including pediatric infections, sexually transmitted infections, cystic fibrosis, ventilator-associated bacterial pneumonia, hospital-acquired bacterial pneumonia, osteomyelitis, and prosthetic joint infections.
What are the main risks for NBRV's drug development?
The drug development process at Nabriva Therapeutics plc, like all biopharmaceutical companies, faces several inherent risks. A primary risk is the potential for clinical trial failures, where drug candidates like XENLETA or CONTEPO may not demonstrate sufficient efficacy or safety in ongoing Phase I trials or subsequent stages.
How does Nabriva Therapeutics plc address the challenge of antibiotic resistance?
Nabriva Therapeutics plc directly addresses the challenge of antibiotic resistance by focusing on the development of novel anti-infective agents with distinct mechanisms of action. Its product XENLETA, a semi-synthetic pleuromutilin, represents a class of antibiotics that has not been widely used in human medicine, potentially offering efficacy against pathogens resistant to more common antibiotic classes.
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
Data provided for informational purposes only.
- Limited financial data beyond market capitalization and beta was provided.
- No FMP PEER TICKERS were provided in the source data, therefore the 'competitors' array is empty.