Gossamer Bio, Inc. (GOSS) Stock Analysis
Educational signal · not a buy or sell recommendation · How to read this
Market cap $67.7M is the value of all shares combined. Beta 2.16: the stock has moved about 116% more than the S&P 500.
For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gemini-2.0-flash, generated May 10, 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
Quick AnswerGossamer Bio, Inc. (GOSS) trades at $11.08 with MoonshotScore 18/100 (Grade F). Gossamer Bio, Inc. is a clinical-stage biopharmaceutical company focused on developing and commercializing therapeutics in immunology, inflammation, and oncology. Market cap: $67.7M, Sector: Healthcare.
Price as of Sep 11, 2026 · Last analyzed: May 10, 2026GOSS stock analysis for 2026: Analysts have set a consensus price target of $3.47 for Gossamer Bio, Inc., suggesting 68.7% downside from the current price of $11.08. The AI MoonshotScore is 18/100, in the Weak band (below 45) — a research signal, not a recommendation. Key factors: analyst coverage, AI-driven quantitative scoring.
GOSS: 2/3 scored disciplines lean bearish. Dominant signal: Seth Klarman bearish.
How is this calculated? →Strongest side: Business Quality (4/10, Weak). Weakest side: Valuation (1/10, Negative).
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
Why this analysis is different
- A sector-relative MoonshotScore — five pillars (business quality, financial safety, valuation, growth durability, momentum) re-ranked nightly against the full universe of US-listed common stocks.
- An AI Council read across up to eight perspectives — value, macro, quantitative, and momentum lenses — that shows where they disagree instead of averaging the tension away.
- Figures come straight from FMP and Yahoo Finance filings data. The AI writes the narrative around the numbers — it never edits the numbers.
Gossamer Bio, Inc. (GOSS) Healthcare & Pipeline Overview
Gossamer Bio, Inc. is a clinical-stage biopharmaceutical firm concentrating on immunology, inflammation, and oncology. Their pipeline features GB002 for pulmonary arterial hypertension, GB004 for inflammatory bowel disease, GB5121 for primary central nervous system lymphoma, and GB7208 for multiple sclerosis, positioning them in a competitive therapeutic landscape.
What Is the Investment Thesis for GOSS?
Gossamer Bio presents a high-risk, high-reward investment profile typical of clinical-stage biopharmaceutical companies. The company’s value hinges on the successful development and commercialization of its pipeline assets, particularly GB002 for PAH, GB004 for IBD, GB5121 for primary central nervous system lymphoma, and GB7208 for multiple sclerosis. Key value drivers include positive clinical trial outcomes, regulatory approvals, and strategic partnerships. Upcoming data readouts from ongoing clinical trials represent significant catalysts. However, potential risks include clinical trial failures, regulatory setbacks, and competition from established players. With a market cap of $67.7M and a negative profit margin of -351.5%, the company's financial performance is heavily dependent on future product revenue.
Based on FMP financials and quantitative analysis
GOSS Key Highlights
Market capitalization of $67.7M reflects investor valuation of Gossamer Bio's pipeline and future potential.
- Gross margin of 99.5% indicates strong potential profitability upon successful commercialization of products.
- Negative profit margin of -351.5% highlights the significant R&D expenses typical of clinical-stage biopharmaceutical companies.
- Beta of 2.16 suggests higher volatility compared to the overall market, reflecting the speculative nature of biotech investments.
- Focus on immunology, inflammation, and oncology addresses large and growing therapeutic markets.
Who Are GOSS's Competitors?
GOSS is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.
| Company | Price | Change | Market Cap | MoonshotScore |
|---|---|---|---|---|
| JAZZ Jazz Pharmaceuticals plc | $240.48 | -0.34% | $15.1B | 405-pillar |
| VRTX Vertex Pharmaceuticals Incorporated | $514.90 | +0.07% | $131B | 965-pillar |
| MRTX Mirati Therapeutics, Inc. | $58.70 | -0.17% | $4.12B | — |
| RLYB Rallybio Corporation | $16.75 | -1.30% | $88.9M | 825-pillar |
| ICCC ImmuCell Corporation | $9.91 | +0.05% | $89.7M | 775-pillar |
| ORMP Oramed Pharmaceuticals Inc. | $4.74 | -0.38% | $194M | 785-pillar |
| NAGE Niagen Bioscience Inc | $3.04 | -0.49% | $242M | 665-pillar |
| QTTB Q32 Bio Inc. | $10.93 | +1.96% | $325M | 685-pillar |
AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance
What Are GOSS's Key Strengths?
Promising pipeline of drug candidates targeting significant unmet medical needs.
- Strategic partnerships with established pharmaceutical companies.
- Experienced management team with expertise in drug development and commercialization.
- Strong intellectual property portfolio protecting its drug candidates.
What Are GOSS's Weaknesses?
Clinical-stage company with no currently marketed products.
- High cash burn rate due to significant R&D expenses.
- Dependence on successful clinical trial outcomes and regulatory approvals.
- Limited financial resources compared to larger pharmaceutical companies.
What Could Drive GOSS Stock Higher?
Data readouts from ongoing clinical trials for GB002 in PAH.
- Results from clinical trials for GB004 in IBD.
- Updates on the development of GB5121 for primary central nervous system lymphoma.
- Advancement of GB7208 through clinical trials for multiple sclerosis.
- Potential for new strategic partnerships and licensing agreements.
What Are the Key Risks for GOSS?
Financial-distress signal — its Altman Z-Score of -35.63 sits in the distress zone (elevated bankruptcy risk).
- Weak fundamentals — a Piotroski F-Score of 2/9 flags soft profitability, leverage or efficiency.
- Clinical trial failures or delays in the development of key drug candidates.
- Regulatory setbacks or rejection of marketing applications.
- Competition from established pharmaceutical companies with greater resources.
- Dependence on securing additional funding to support its operations.
- Intellectual property disputes or patent challenges.
What Are the Growth Opportunities for GOSS?
- Growth opportunity 1: Successful development and commercialization of GB002 for pulmonary arterial hypertension (PAH) represents a significant growth opportunity. Positive clinical trial results and regulatory approval could position GB002 as a key player in this market. The timeline for potential commercialization depends on ongoing clinical trials and regulatory review processes.
- Growth opportunity 2: Advancing GB004, a gut-targeted oral small molecule, for the treatment of inflammatory bowel disease (IBD) offers substantial growth potential. The IBD market is expanding due to increasing prevalence and demand for targeted therapies. Successful clinical trials and subsequent regulatory approval could establish GB004 as a valuable treatment option. The timeline for commercialization is contingent on clinical trial progress and regulatory pathways.
- Growth opportunity 3: Development of GB5121, an oral Bruton's Tyrosine Kinase (BTK) inhibitor, for primary central nervous system lymphoma presents a targeted growth opportunity. The market for lymphoma treatments is expanding, and a successful BTK inhibitor could capture a significant share. Clinical trial outcomes and regulatory approvals are critical for realizing this potential. The timeline for commercialization is dependent on clinical trial results and regulatory review.
- Growth opportunity 4: Progressing GB7208, an oral BTK inhibitor, for the treatment of multiple sclerosis (MS) provides a considerable growth avenue. The MS therapeutics market is substantial, driven by the need for effective disease-modifying therapies. Positive clinical trial data and regulatory approval could position GB7208 as a competitive treatment option. The timeline for commercialization is subject to clinical trial advancements and regulatory processes.
- Growth opportunity 5: Strategic partnerships and licensing agreements can accelerate the development and commercialization of Gossamer Bio's pipeline assets. Collaborations with companies like Pulmokine, Inc. and Aerpio Pharmaceuticals, Inc. demonstrate a commitment to leveraging external expertise and resources. Expanding these partnerships could enhance the company's market reach and product portfolio. The impact of these partnerships on growth is contingent on their successful execution and the outcomes of collaborative projects.
What Opportunities Does GOSS Have?
- Expansion into new therapeutic areas and indications.
- Acquisition of additional drug candidates to broaden its pipeline.
- Out-licensing or co-development agreements with larger pharmaceutical companies.
- Accelerated regulatory pathways for its drug candidates.
What Are GOSS's Competitive Advantages?
- Proprietary drug candidates with patent protection.
- Specialized expertise in immunology, inflammation, and oncology.
- Strategic partnerships with established pharmaceutical companies.
- Clinical trial data demonstrating efficacy and safety.
What Does GOSS Do?
Gossamer Bio, Inc., established in 2015 and headquartered in San Diego, California, is a clinical-stage biopharmaceutical company dedicated to discovering, acquiring, developing, and commercializing innovative therapeutics. Originally incorporated as FSG, Bio, Inc., the company rebranded to Gossamer Bio, Inc. in 2017, signaling a refined focus on addressing unmet medical needs in immunology, inflammation, and oncology. Their pipeline showcases a commitment to novel treatments, including GB002, an inhaled small molecule inhibitor targeting pulmonary arterial hypertension (PAH). GB004, a gut-targeted oral small molecule, is under development for inflammatory bowel disease (IBD). GB5121, an oral Bruton's Tyrosine Kinase (BTK) inhibitor, aims to treat primary central nervous system lymphoma. GB7208, another oral BTK inhibitor, is being developed for multiple sclerosis. These programs reflect a strategic approach to addressing significant therapeutic areas with high unmet needs. Gossamer Bio has also established strategic licensing agreements with Pulmokine, Inc. for GB002 and Aerpio Pharmaceuticals, Inc. for GB004, enhancing their development and commercialization pathways.
What Products and Services Does GOSS Offer?
- Develops therapeutics for immunology, inflammation, and oncology.
- Focuses on discovering and acquiring novel drug candidates.
- Conducts clinical trials to evaluate the safety and efficacy of its drug candidates.
- Seeks regulatory approvals from the FDA and other health authorities.
- Commercializes approved therapeutics in the United States.
- Forms strategic partnerships and licensing agreements to enhance its pipeline.
How Does GOSS Make Money?
- Develops and patents novel therapeutic compounds.
- Out-licenses or co-develops drug candidates with larger pharmaceutical companies.
- Generates revenue through product sales upon regulatory approval.
- Secures funding through venture capital, public offerings, and strategic partnerships.
What Industry Does GOSS Operate In?
Gossamer Bio operates within the competitive biotechnology industry, characterized by intense research and development, stringent regulatory requirements, and high capital demands. The company focuses on immunology, inflammation, and oncology, which are areas with significant unmet medical needs and substantial market opportunities. The biotechnology industry is driven by innovation and technological advancements, with companies constantly seeking to develop novel therapies. Competition comes from both large pharmaceutical companies and smaller biotech firms, all vying for market share. Success depends on factors such as clinical trial outcomes, regulatory approvals, and commercialization strategies.
Who Are GOSS's Key Customers?
- Patients suffering from pulmonary arterial hypertension (PAH).
- Patients with inflammatory bowel disease (IBD).
- Patients diagnosed with primary central nervous system lymphoma.
- Individuals affected by multiple sclerosis (MS).
Research confidence
Broad, current evidence sits behind this analysis.
- ● Scored on 89% of our measures
- ● Price is current
- ● Latest filing 29 days ago
- ● Covered by analysts
Why 18?
Measured against companies in the same sector. The figures below are the factor contributions the scoring engine itself produced.
What is helping
- +0.78 Return on equity (Business Quality)
- +0.78 Gross profit per dollar of assets (Business Quality)
- +0.51 Return on invested capital (Business Quality)
What is holding it back
- -0.78 Operating margin (Business Quality)
- -0.78 Net margin (Business Quality)
- -0.78 Free cash flow yield (Business Quality)
Risk penalties applied
- -1.89 Bankruptcy-risk score in the distress zone
- -2.00 Loss-making with negative retained earnings
Contribution = how far the company sits from its sector on that measure, weighted by how much the pillar counts. Not investment advice. How the score is built →
MoonshotScore History
Recorded daily since 2026-08-23 · 19 snapshots
| 2026-08-23 | 16 |
| 2026-08-26 | 15 |
| 2026-08-29 | 15 |
| 2026-09-01 | 17 |
| 2026-09-04 | 17 |
| 2026-09-07 | 17 |
| 2026-09-10 | 18 |
What changed?
The grade moved from 16 to 18 (+2).
What moved it up or down:
- +5 Momentum
- +4 Valuation
- +2 Growth Durability
Held back by:
- -17 Financial Safety
Over the same 18 days the stock moved -8.2%.
Insider Activity
Over the past six months, Gossamer Bio, Inc. insiders filed 30 SEC Form 4 transactions — 6 sales and 24 purchases. On net that is roughly 27.0M shares acquired (about $2.4M) — insiders putting money in tends to read as conviction.
Earnings Track Record
Gossamer Bio, Inc. has beaten Wall Street's EPS estimate in 5 of its last 8 reported quarters — more hits than misses. Reported results have landed about 6.6% above estimates on average.
Financial Health
Gossamer Bio, Inc.'s Piotroski F-Score is 2/9, a 9-point checklist of profitability, leverage and efficiency — flagging fundamental weakness worth scrutiny. Its Altman Z-Score of -35.63 places it in the distress zone, a signal of elevated financial risk.
Key Financial Metrics
Return on equity for Gossamer Bio, Inc. stands at 174.9%, a gauge of how efficiently it converts shareholder capital into profit. A current ratio of 2.20 indicates the company holds enough short-term assets to cover its near-term obligations.
Gossamer Bio, Inc. (GOSS) Valuation Context
Valued at $67.7M, GOSS is classified as a micro-cap stock. Analyst price targets span from $0.30 to $9.00, with a consensus of $3.47. At the current price of $11.08, that implies roughly 69% downside from the consensus target. Relative to its peer group, GOSS's quantitative score of 18/100 is below the peer average of 72/100.
GOSS Revenue & Earnings Trend
In Q2 FY2026, GOSS generated $9.2M in top-line revenue, marking a sequential decrease of 45.5%. The company recorded net income of $16.9M, with diluted EPS of $-0.08. Quarter-over-quarter revenue has been mixed, typical for a unknown company operating in Healthcare. Across the four most recent quarters, GOSS averaged $-0.17 in diluted EPS.
Company Profile
Gossamer Bio, Inc. operates in the Biotechnology industry within the Healthcare sector. It is headquartered in San Diego, US. The company is led by CEO Faheem Hasnain. GOSS has traded publicly since 2019.
GOSS Financials
Fundamental Snapshot
Based on FMP financials and quantitative analysis · FY 2025
Bull Case vs Bear Case
Bull Case
- Promising pipeline of drug candidates targeting significant unmet medical needs.
- Strategic partnerships with established pharmaceutical companies.
- Experienced management team with expertise in drug development and commercialization.
- Strong intellectual property portfolio protecting its drug candidates.
Bear Case
- Clinical-stage company with no currently marketed products.
- High cash burn rate due to significant R&D expenses.
- Dependence on successful clinical trial outcomes and regulatory approvals.
- Limited financial resources compared to larger pharmaceutical companies.
AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · September 2026
Recent Quarterly Results
| Quarter | Revenue | Net Income | EPS |
|---|---|---|---|
| Q2 FY2026 | $9M | $17M | -$0.08 |
| Q1 FY2026 | $17M | -$47M | -$0.20 |
| Q4 FY2025 | $14M | -$47M | -$0.21 |
| Q3 FY2025 | $13M | -$48M | -$0.21 |
Q2 FY2026 · filed 13 Aug 2026 · SEC EDGAR →
Based on FMP financials and quantitative analysis
GOSS Latest News
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Gossamer Bio to Present at Cantor Global Healthcare Conference
gurufocus.com · Sep 4, 2026
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Gossamer (GOSS) Announced Up to $250M of Financing, but Only $25M is Expected Upfront. Is the Runway Secure?
Yahoo! Finance: GOSS News · Aug 27, 2026
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Gossamer Bio announces $250m in funding to advance seralutinib
Yahoo! Finance: GOSS News · Aug 24, 2026
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Gossamer Bio Slides as $250M Financing Hinges on FDA Milestones
benzinga · Aug 21, 2026
GOSS Analyst Consensus
Consensus Rating
Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for GOSS.
Price Targets
Median: $3.00 (-68.7% from current price)
Source: FMP analyst consensus · as of Aug 25, 2026 · an estimate, not advice
GOSS MoonshotScore
What does this score mean?
MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. GOSS scores 18/100 (Grade F): the number comes from the five-pillar engine (business quality, financial safety, valuation, growth durability, momentum), re-ranked daily against sector peers.
Latest News
Gossamer Bio to Present at Cantor Global Healthcare Conference
Gossamer (GOSS) Announced Up to $250M of Financing, but Only $25M is Expected Upfront. Is the Runway Secure?
Gossamer Bio announces $250m in funding to advance seralutinib
Gossamer Bio Slides as $250M Financing Hinges on FDA Milestones
Latest Gossamer Bio, Inc. Analysis
Leadership: Faheem Hasnain
CEO
Faheem Hasnain is an accomplished executive with extensive experience in the biopharmaceutical industry. He has held leadership positions at several prominent companies, including Receptos, Inc., where he served as President and CEO until its acquisition by Celgene. Prior to Receptos, he held various senior management roles at Biogen Idec and Bristol-Myers Squibb. His career spans over two decades, marked by a focus on strategic growth and innovation in the healthcare sector. He brings a wealth of knowledge in drug development, commercialization, and corporate strategy.
Track Record: Under Faheem Hasnain's leadership, Gossamer Bio has focused on advancing its pipeline of drug candidates and securing strategic partnerships. He has overseen the progression of key clinical trials and the expansion of the company's therapeutic focus. His experience in guiding Receptos to a successful acquisition demonstrates his ability to create value for shareholders. He continues to drive Gossamer Bio's mission to develop innovative therapies for unmet medical needs.
Common Questions About GOSS (Healthcare)
What does the AI Score mean for GOSS?
GOSS holds an AI Score of 18/100 (Grade: F). This is an educational research signal, not a buy or sell recommendation. The number comes from the five-pillar engine (business quality, financial safety, valuation, growth durability, momentum), re-ranked daily against sector peers. Gossamer Bio, Inc. is a clinical-stage biopharmaceutical company focused on developing and commercializing therapeutics in immunology, inflammation, and oncology.
Is GOSS a good stock?
Stock Expert AI does not rate GOSS buy, sell or hold. Gossamer Bio, Inc. carries a MoonshotScore of 18/100 on the five-pillar engine, a research rating against its peers. Whether it fits is your call: check what it sells, whether it earns, what the price assumes, and what would prove you wrong.
What are the main risks for GOSS?
Gossamer Bio faces several key risks inherent to the biotechnology industry. Clinical trial failures represent a significant risk, as negative results can halt the development of drug candidates.
What are the key factors to evaluate for GOSS?
Gossamer Bio, Inc. (GOSS) holds a MoonshotScore of 18/100 (low). Analysts target $3.47 (-69%). Positive clinical trial results and regulatory approval could position GB002 as a key player in this market. Not financial advice.
How frequently does GOSS data refresh on this page?
GOSS's price was last updated on Sep 11, 2026 and refreshes on page view during U.S. market hours; the quote is a provider snapshot, not an exchange feed. Fundamentals update after quarterly filings; the MoonshotScore recalculates nightly; news aggregates continuously.
What has driven GOSS's recent stock price performance?
Gossamer Bio, Inc. (GOSS) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Promising pipeline of drug candidates targeting significant unmet medical needs. See the News tab for the latest drivers. Past performance does not predict future results.
Should investors consider GOSS overvalued or undervalued right now?
Gossamer Bio, Inc. (GOSS) is loss-making, so its trailing P/E is negative (-2.10x) and not usable for valuation — lean on price-to-sales and cash flow in the Financials tab. Analysts target $3.47 (-69%) — downside risk seen. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.
Can I buy fractional shares of GOSS?
Yes, most major brokerages offer fractional shares of Gossamer Bio, Inc. (GOSS) with no minimum purchase requirement. This means you can invest any dollar amount regardless of the share price. Check your brokerage platform for specific terms, fees, and fractional share availability.
How can I track GOSS's earnings and financial reports?
Gossamer Bio, Inc. (GOSS) reports quarterly earnings approximately 4-6 weeks after each fiscal quarter ends. You can track earnings dates, revenue and EPS estimates, and actual results on this page's Financials tab. Earnings surprises (beats or misses) often cause significant short-term price moves. Your brokerage can send alerts for GOSS earnings announcements.
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.
- Information is based on publicly available sources and may be subject to change.
- Financial data is as of the latest available reporting period.