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Phathom Pharmaceuticals, Inc. (PHAT) Stock Analysis

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

$8.37 -$0.30 (-3.46%) |Weak · 17
Phathom Pharmaceuticals, Inc. (PHAT) bottom line: signals are mixed — the Council read leans Split View (40/100) while the AI fundamental score is 17/100 (grade F); the two lenses disagree, so weigh the breakdown below. Strongest signal: Ray Dalio bullish · Biggest watch-out: Seth Klarman bearish.Educational signal, not a buy or sell recommendation. Compare sector peers → · Read the method →
MCap: $677M| Vol: 1.1M| Target: $17.60 (+110.3%) (Sep 10, 2026) (estimate, not advice)| 52-wk range: $8.21 – $18.31

Market cap $677M is the value of all shares combined. Beta 0.61: the stock has moved about 39% less than the S&P 500.

Data from FMP · Methodology

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 Answer

Phathom Pharmaceuticals, Inc. (PHAT) trades at $8.37 with MoonshotScore 17/100 (Grade F). Phathom Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company focused on developing and commercializing treatments for gastrointestinal diseases. Market cap: $677M, Sector: Healthcare.

Price as of Sep 11, 2026 · Last analyzed: May 10, 2026
Phathom Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company focused on developing and commercializing treatments for gastrointestinal diseases. Their lead asset is vonoprazan, a potassium-competitive acid blocker (P-CAB).

PHAT stock analysis for 2026: Analysts have set a consensus price target of $17.60 for Phathom Pharmaceuticals, Inc., suggesting 110.3% upside from the current price of $8.37. The AI MoonshotScore is 17/100, in the Weak band (below 45) — a research signal, not a recommendation. Key factors: analyst coverage, AI-driven quantitative scoring.

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

These figures come from statements filed 12 months ago — the most recent this company has published.

Council Score · Weighted Average of 3 Disciplines
Split View 40/100 · C

PHAT: 1/3 scored disciplines lean bearish. Dominant signal: Ray Dalio bullish.

How is this calculated? →
MoonshotScore · Five-pillar engine · 17/100
Business Quality
Moderate Is this a genuinely good business?
Financial Safety
Neutral Could this blow up on me?
Valuation
Neutral Am I paying a fair price?
Growth Durability
Moderate Is the growth real and likely to last?
Momentum
Weak Is the market already moving on this?

Strongest side: Business Quality (7/10, Moderate). Weakest side: Momentum (3/10, Weak).

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

Dalio-style lens (simulated)Ray Dalio
Favorable read
Englander-style lens (simulated)Izzy Englander
Neutral read
Klarman-style lens (simulated)Seth Klarman
Unfavorable read
Moon AI lens (model)
Favorable read
Munger's Mindset · Balance Sheet & Valuation
Financial Health
Neutral
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.

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.

Phathom Pharmaceuticals, Inc. (PHAT) Healthcare & Pipeline Overview

CEOSteven L. Basta
Employees371
HeadquartersFlorham Park, NJ, US
IPO Year2019

Phathom Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company specializing in gastrointestinal disease treatments, primarily focusing on vonoprazan, a potassium-competitive acid blocker (P-CAB). With rights in the US, Europe, and Canada, Phathom is positioned to address significant unmet needs in acid-related disorders, including erosive GERD and H. pylori infection.

Data Provenance | Financial Data Quantitative Analysis NASDAQ Analysis: May 10, 2026

What Is the Investment Thesis for PHAT?

AI-written as of May 10, 2026 — figures and tone reflect the data available then, not today's score.

Phathom Pharmaceuticals, Inc. presents a notable research candidate due to its focus on vonoprazan, a novel P-CAB with the potential to disrupt the gastrointestinal therapeutics market. The company's lead product candidate is undergoing Phase III clinical trials for erosive GERD and H. pylori infection, both large and underserved markets. Positive clinical trial results and subsequent regulatory approvals could drive significant revenue growth. Phathom's market capitalization of $677M reflects investor confidence in its pipeline and management team. Key value drivers include successful commercialization of vonoprazan, expansion into new indications, and potential partnerships or acquisitions. However, potential risks include clinical trial failures, regulatory setbacks, and competition from established pharmaceutical companies.

Based on FMP financials and quantitative analysis

PHAT Key Highlights

AI-written as of May 10, 2026 — figures and tone reflect the data available then, not today's score.

Market capitalization of $677M, reflecting investor valuation of Phathom's pipeline and potential.

  • Gross margin of 84.9%, indicating strong pricing power and efficient cost management in future commercialization.
  • Beta of 0.61, suggesting lower volatility compared to the overall market.
  • Focus on vonoprazan, a novel P-CAB with potential advantages over existing PPI therapies.
  • Ongoing Phase III clinical trials for erosive GERD and H. pylori infection, representing significant market opportunities.

Who Are PHAT's Competitors?

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

Company Price Change Market Cap MoonshotScore
TAK Takeda Pharmaceutical Company Limited $18.11 -0.55% $57.6B 635-pillar
MDXG MiMedx Group, Inc. $4.60 -1.71% $671M 875-pillar
ZVRA Zevra Therapeutics, Inc. $12.06 +0.17% $713M 925-pillar
CRMD CorMedix Inc. $7.96 -0.06% $624M 885-pillar
CLYM Climb Bio, Inc. $14.32 -4.21% $820M 745-pillar
RIGL Rigel Pharmaceuticals, Inc. $47.26 -0.04% $874M 935-pillar
TBPH Theravance Biopharma, Inc. $17.02 -0.23% $882M 955-pillar
ABUS Arbutus Biopharma Corporation $5.12 -0.97% $1.01B 865-pillar

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

What Are PHAT's Key Strengths?

Novel P-CAB mechanism of action with potential advantages over PPIs.

  • Rights to vonoprazan in key markets (US, Europe, Canada).
  • Focus on large and underserved markets (erosive GERD, H. pylori infection).
  • Experienced management team with a track record in pharmaceutical development and commercialization.

What Are PHAT's Weaknesses?

Clinical-stage company with no currently marketed products.

  • Reliance on the success of vonoprazan.
  • High operating expenses associated with clinical trials and regulatory submissions.
  • Negative profit margin.

What Could Drive PHAT Stock Higher?

Data readouts from Phase III clinical trials for erosive GERD.

  • Data readouts from Phase III clinical trials for H. pylori infection.
  • Regulatory submissions for vonoprazan in the United States, Europe, and Canada.
  • Progress in expanding the clinical development program for vonoprazan into new indications.
  • Potential strategic partnerships and acquisitions.

What Are the Key Risks for PHAT?

Financial-distress signal — its Altman Z-Score of -5.04 sits in the distress zone (elevated bankruptcy risk).

  • Inconsistent delivery — missed Wall Street EPS estimates in 4 of the last 8 reported quarters.
  • Weak fundamentals — a Piotroski F-Score of 3/9 flags soft profitability, leverage or efficiency.
  • Clinical trial failures could delay or prevent regulatory approvals.
  • Regulatory setbacks could increase development costs and timelines.
  • Competition from established pharmaceutical companies could limit market share.
  • Patent challenges could erode exclusivity.
  • Dependence on vonoprazan.

What Are the Growth Opportunities for PHAT?

  • Expansion into New Indications: Phathom has the opportunity to expand the use of vonoprazan into additional gastrointestinal indications beyond erosive GERD and H. pylori infection. This could include conditions such as non-erosive reflux disease (NERD) and other acid-related disorders. The market for these indications is substantial, potentially adding hundreds of millions of dollars in revenue. Timeline: Ongoing research and development efforts, with potential clinical trials and regulatory submissions in the next 3-5 years.
  • Geographic Expansion: Phathom currently holds the rights to vonoprazan in the United States, Europe, and Canada. Expanding into other geographic markets, such as Asia and Latin America, could significantly increase the company's revenue potential. These regions have large populations and growing healthcare spending. Timeline: Strategic partnerships and regulatory submissions in the next 2-4 years.
  • Strategic Partnerships and Acquisitions: Phathom could pursue strategic partnerships or acquisitions to expand its product pipeline and market reach. This could involve licensing or acquiring other GI therapeutics or technologies. Such deals could provide access to new markets and accelerate growth. Timeline: Ongoing business development efforts, with potential deals in the next 1-3 years.
  • Lifecycle Management: Phathom can extend the lifecycle of vonoprazan through various strategies, such as developing new formulations, dosages, or delivery methods. This could help to maintain market share and revenue growth over the long term. Timeline: Continuous product development and innovation.
  • Direct-to-Consumer Marketing: Upon regulatory approval and commercialization, Phathom can leverage direct-to-consumer (DTC) marketing to drive awareness and adoption of vonoprazan. This could involve advertising campaigns, online marketing, and patient education initiatives. Effective DTC marketing can help to increase market share and revenue. Timeline: Post-commercialization, ongoing marketing efforts.

What Are PHAT's Competitive Advantages?

  • Patent protection for vonoprazan, providing exclusivity in key markets.
  • Clinical data demonstrating superior efficacy and safety compared to existing therapies.
  • Established relationships with key opinion leaders and healthcare providers.
  • Regulatory expertise and track record in securing approvals for pharmaceutical products.

What Does PHAT Do?

Phathom Pharmaceuticals, Inc. was founded in 2018 and is headquartered in Florham Park, New Jersey. The company is dedicated to developing and commercializing innovative treatments for gastrointestinal (GI) diseases and disorders. Phathom's primary focus is on vonoprazan, a novel potassium-competitive acid blocker (P-CAB). Vonoprazan is designed to block acid secretion in the stomach more effectively than traditional proton pump inhibitors (PPIs). Phathom holds the rights to vonoprazan in the United States, Europe, and Canada. The company is currently pursuing regulatory approvals for vonoprazan in various indications, including the treatment of erosive gastroesophageal reflux disease (erosive GERD) and in combination with antibiotics for the treatment of Helicobacter pylori (H. pylori) infection. These conditions represent significant unmet medical needs, affecting millions of people worldwide. Phathom's clinical development programs are designed to demonstrate the superior efficacy and safety of vonoprazan compared to existing therapies. The company's strategic vision is to become a leading player in the GI therapeutics market by providing innovative solutions that improve patient outcomes and quality of life.

What Products and Services Does PHAT Offer?

  • Develops and commercializes treatments for gastrointestinal diseases.
  • Focuses on vonoprazan, a potassium-competitive acid blocker (P-CAB).
  • Conducts Phase III clinical trials for erosive gastroesophageal reflux disease (erosive GERD).
  • Conducts Phase III clinical trials in combination with antibiotics for Helicobacter pylori (H. pylori) infection.
  • Holds rights to vonoprazan in the United States, Europe, and Canada.
  • Seeks regulatory approvals for vonoprazan in various indications.

How Does PHAT Make Money?

  • Develops and patents novel pharmaceutical products.
  • Conducts clinical trials to demonstrate efficacy and safety.
  • Seeks regulatory approval from agencies like the FDA and EMA.
  • Commercializes approved products through sales and marketing efforts.

What Industry Does PHAT Operate In?

Phathom Pharmaceuticals, Inc. operates in the biotechnology industry, which is characterized by high growth potential and significant investment in research and development. The gastrointestinal therapeutics market is a large and growing segment, driven by the increasing prevalence of conditions such as GERD and H. pylori infection. Phathom's focus on vonoprazan positions it to compete with established pharmaceutical companies that market PPIs and other GI drugs. The company's success will depend on its ability to demonstrate the superior efficacy and safety of vonoprazan in clinical trials and to secure regulatory approvals in key markets.

Who Are PHAT's Key Customers?

  • Patients suffering from gastrointestinal diseases, particularly erosive GERD and H. pylori infection.
  • Healthcare providers who prescribe treatments for these conditions.
  • Hospitals and clinics that administer these treatments.
  • Pharmacies that dispense these medications.
Model self-rating on this text: 73% (not a measure of the evidence) Updated: May 10, 2026

Research confidence

High 100/100

Broad, current evidence sits behind this analysis.

  • Scored on 89% of our measures
  • Price is current
  • Latest filing 43 days ago
  • Covered by analysts

Why 17?

Measured against companies in the same sector. The figures below are the factor contributions the scoring engine itself produced.

What is helping

  • +0.78 Gross profit per dollar of assets (Business Quality)
  • +0.51 Return on equity (Business Quality)
  • +0.48 Revenue growth (Growth)

What is holding it back

  • -0.50 Net margin (Business Quality)
  • -0.32 5-year net income per share (Growth)
  • -0.20 Operating margin (Business Quality)

Risk penalties applied

  • -1.89 Bankruptcy-risk score in the distress zone
  • -1.53 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 14
2026-08-26 14
2026-08-29 14
2026-09-01 17
2026-09-04 17
2026-09-07 17
2026-09-10 17

What changed?

The grade moved from 14 to 17 (+3).

What moved it up or down:

  • +22 Valuation
  • +5 Momentum
  • +4 Business Quality

Held back by:

  • -23 Financial Safety
  • -5 Growth Durability

Over the same 18 days the stock moved -2.3%.

Phathom Pharmaceuticals, Inc. (PHAT) Valuation Context

Valued at $677M, PHAT is classified as a small-cap stock. Analyst price targets span from $10.00 to $22.00, with a consensus of $17.60. At the current price of $8.37, that implies approximately 110% upside potential. Relative to its peer group, PHAT's quantitative score of 17/100 is below the peer average of 85/100.

PHAT Revenue & Earnings Trend

In Q2 FY2026, PHAT generated $74.3M in top-line revenue, marking a sequential increase of 27.4%. The company recorded a net loss of $17.6M, with diluted EPS of $-0.21. Revenue has increased across the last three reported quarters, suggesting sustained momentum for this small-cap Healthcare company. Across the four most recent quarters, PHAT averaged $-0.32 in diluted EPS.

Company Profile

Phathom Pharmaceuticals, Inc. operates in the Biotechnology industry within the Healthcare sector. It is headquartered in Florham Park, US. The company is led by CEO Steven L. Basta. PHAT has traded publicly since 2019.

ROE 26%

Key Financial Metrics

Return on equity for Phathom Pharmaceuticals, Inc. stands at 25.7%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -30.3%, showing how much profit it generates from its asset base. Its free cash flow yield is -4.7%, a gauge of the cash the business throws off relative to its market value. A current ratio of 1.92 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -12.4%, the inverse of the P/E and a quick read on earnings relative to price.

F-Score 3/9

Financial Health

Phathom Pharmaceuticals, Inc.'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 -5.04 places it in the distress zone, a signal of elevated financial risk.

3/8 beats

Earnings Track Record

Phathom Pharmaceuticals, Inc. has missed Wall Street's EPS estimate in 4 of its last 8 reported quarters — a mixed record worth weighing.

Net buying

Insider Activity

Over the past six months, Phathom Pharmaceuticals, Inc. insiders filed 13 SEC Form 4 transactions — 4 sales and 9 purchases. On net that is roughly 167K shares acquired (about $21K) — insiders putting money in tends to read as conviction.

PHAT Financials

Fundamental Snapshot

Revenue Growth (FY)
+216.9%
Net Income Growth (FY)
+33.8%
EPS Growth (FY)
+42.7%
Free Cash Flow Growth (FY)
+37.5%
Return on Equity (TTM)
+25.7%
Current Ratio
1.9

Based on FMP financials and quantitative analysis · FY 2025

Bull Case vs Bear Case

Bull Case

  • Novel P-CAB mechanism of action with potential advantages over PPIs.
  • Rights to vonoprazan in key markets (US, Europe, Canada).
  • Focus on large and underserved markets (erosive GERD, H. pylori infection).
  • Experienced management team with a track record in pharmaceutical development and commercialization.

Bear Case

  • Clinical-stage company with no currently marketed products.
  • Reliance on the success of vonoprazan.
  • High operating expenses associated with clinical trials and regulatory submissions.
  • Negative profit margin.

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 $74M -$18M -$0.21
Q1 FY2026 $58M -$30M -$0.37
Q4 FY2025 $58M -$21M -$0.29
Q3 FY2025 $50M -$30M -$0.41

Q2 FY2026 · filed 30 Jul 2026 · SEC EDGAR →

Based on FMP financials and quantitative analysis

PHAT Latest News

PHAT Analyst Consensus

Consensus Rating

Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for PHAT.

Price Targets

Low
$10.00
Consensus
$17.60
High
$22.00

Median: $20.00 (+110.3% from current price)

Source: FMP analyst consensus · as of Sep 10, 2026 · an estimate, not advice

PHAT MoonshotScore

17/100

What does this score mean?

MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. PHAT scores 17/100 (Grade F): the number comes from the five-pillar engine (business quality, financial safety, valuation, growth durability, momentum), re-ranked daily against sector peers.

Leadership: Steven L. Basta

CEO

Steven L. Basta serves as the Chief Executive Officer of Phathom Pharmaceuticals, Inc. His career spans several decades in the pharmaceutical industry, with a focus on commercialization and strategic leadership. Prior to joining Phathom, Mr. Basta held executive positions at various pharmaceutical companies, where he was responsible for overseeing product launches, market access strategies, and business development initiatives. His experience includes roles at both large multinational corporations and smaller, entrepreneurial ventures. Mr. Basta's background includes a strong understanding of the regulatory landscape and the complexities of bringing new drugs to market.

Track Record: Under Steven L. Basta's leadership, Phathom Pharmaceuticals, Inc. has advanced its clinical development programs for vonoprazan, achieving key milestones in Phase III trials for erosive GERD and H. pylori infection. He has overseen the company's efforts to secure regulatory approvals in key markets and to establish strategic partnerships. Basta has successfully guided Phathom through significant fundraising activities, strengthening the company's financial position.

Phathom Pharmaceuticals, Inc. Healthcare Stock: Key Questions Answered

What does the AI Score mean for PHAT?

PHAT holds an AI Score of 17/100 (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. Phathom Pharmaceuticals, Inc. is a clinical-stage biopharmaceutical company focused on developing and commercializing treatments for gastrointestinal diseases.

Is PHAT a good stock?

Stock Expert AI does not rate PHAT buy, sell or hold. Phathom Pharmaceuticals, Inc. carries a MoonshotScore of 17/100 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 PHAT?

The main risks for Phathom Pharmaceuticals, Inc. include clinical trial failures, which could delay or prevent regulatory approvals. Regulatory setbacks, such as rejection of vonoprazan by the FDA or EMA, could significantly impact the company's prospects.

What are the key factors to evaluate for PHAT?

Phathom Pharmaceuticals, Inc. (PHAT) holds a MoonshotScore of 17/100 (low). Analysts target $17.60 (+110%). Phathom Pharmaceuticals, Inc. presents a notable research candidate due to its focus on vonoprazan, a novel P-CAB with the potential to disrupt the gastrointestinal therapeutics market. Not financial advice.

How frequently does PHAT data refresh on this page?

PHAT'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 PHAT's recent stock price performance?

Phathom Pharmaceuticals, Inc. (PHAT) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Novel P-CAB mechanism of action with potential advantages over PPIs. See the News tab for the latest drivers. Past performance does not predict future results.

Should investors consider PHAT overvalued or undervalued right now?

Phathom Pharmaceuticals, Inc. (PHAT) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Analysts target $17.60 (+110%) — upside seen. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.

Can I buy fractional shares of PHAT?

Yes, most major brokerages offer fractional shares of Phathom Pharmaceuticals, Inc. (PHAT) 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 PHAT's earnings and financial reports?

Phathom Pharmaceuticals, Inc. (PHAT) 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 PHAT 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

Price as of Analysis updated MoonshotScore as of
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 available company data and may be subject to change.
  • Financial data is as of the latest available reporting period.
Data Sources
Financial Modeling Prep (FMP)Stock Expert AI proprietary analysis

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