Ardelyx, Inc. (ARDX) Stock Analysis
Educational signal · not a buy or sell recommendation · How to read this
Market cap $894M is the value of all shares combined. Beta 0.62: the stock has moved about 38% less than the S&P 500.
For informational purposes only. Not financial advice. Machine-generated analysis by Stock Expert AI — model gpt-4o-mini, 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 AnswerArdelyx, Inc. (ARDX) trades at $3.62 with MoonshotScore 29/100 (Grade F). Ardelyx, Inc. is a biopharmaceutical company focused on developing innovative treatments for gastrointestinal and cardiorenal diseases. Market cap: $894M, Sector: Healthcare.
Price as of Sep 11, 2026 · Last analyzed: May 10, 2026ARDX stock analysis for 2026: Analysts have set a consensus price target of $15.00 for Ardelyx, Inc., suggesting 314.4% upside from the current price of $3.62. The AI MoonshotScore is 29/100, in the Weak band (below 45) — a research signal, not a recommendation. Key factors: analyst coverage, AI-driven quantitative scoring.
These figures come from statements filed 12 months ago — the most recent this company has published.
ARDX: 2/3 scored disciplines lean bearish. Dominant signal: Seth Klarman bearish.
How is this calculated? →Strongest side: Business Quality (8/10, Moderate). Weakest side: Financial Safety (2/10, 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.
Ardelyx, Inc. (ARDX) Healthcare & Pipeline Overview
Ardelyx, Inc. is a biopharmaceutical innovator specializing in gastrointestinal and cardiorenal therapies, with a robust pipeline led by tenapanor, poised to address critical health challenges in the U.S. and global markets.
What Is the Investment Thesis for ARDX?
The company’s lead candidate, tenapanor, targets significant markets, including the estimated $2 billion U.S. market for irritable bowel syndrome and the $3 billion market for hyperphosphatemia in CKD patients. With a gross margin of 91.9%, Ardelyx is positioned to achieve strong profitability upon successful commercialization of its products. The company's ongoing Phase III trials for tenapanor are critical catalysts, with potential regulatory approvals expected within the next 12-18 months. Furthermore, Ardelyx's partnerships with established pharmaceutical companies in key markets enhance its distribution capabilities and market penetration. However, investors should monitor the risks associated with clinical trial outcomes and competition in the biotechnology sector.
Based on FMP financials and quantitative analysis
ARDX Key Highlights
Market capitalization of $894M reflects strong investor interest in Ardelyx's innovative pipeline.
- Gross margin of 91.9% indicates significant potential for profitability upon product commercialization.
- Negative profit margin of -13.6% highlights the company's current investment phase in R&D.
- Beta of 0.62 suggests lower volatility compared to the broader market, appealing to risk-averse investors.
- No dividend yield as the company reinvests earnings into product development and clinical trials.
Who Are ARDX's Competitors?
ARDX is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.
| Company | Price | Change | Market Cap | MoonshotScore |
|---|---|---|---|---|
| SYRE Spyre Therapeutics, Inc. | $90.75 | +2.30% | $7.88B | — |
| TBPH Theravance Biopharma, Inc. | $17.02 | -0.23% | $882M | 955-pillar |
| RIGL Rigel Pharmaceuticals, Inc. | $47.26 | -0.04% | $874M | 935-pillar |
| CLYM Climb Bio, Inc. | $14.32 | -4.21% | $820M | 745-pillar |
| ABUS Arbutus Biopharma Corporation | $5.12 | -0.97% | $1.01B | 865-pillar |
| ANRO Alto Neuroscience, Inc. | $31.68 | -7.01% | $1.11B | 655-pillar |
| ZVRA Zevra Therapeutics, Inc. | $12.01 | -0.41% | $710M | 925-pillar |
| MGTX MeiraGTx Holdings plc | $12.85 | -3.09% | $1.19B | 705-pillar |
AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance
What Are ARDX's Key Strengths?
Innovative product pipeline addressing significant unmet medical needs.
- Strong partnerships with global pharmaceutical companies.
- High gross margin potential upon product commercialization.
What Are ARDX's Weaknesses?
Negative profit margin indicating current investment phase.
- Dependence on successful clinical trial outcomes for product approvals.
- Limited product portfolio compared to larger competitors.
What Could Drive ARDX Stock Higher?
ARDX catalyst: Regulatory decisions expected within the next 12-18 months for tenapanor in irritable bowel syndrome and hyperphosphatemia.
- Phase III clinical trials for tenapanor are currently underway, with results anticipated to drive market entry.
- Potential announcements regarding new partnerships or collaborations to expand market reach.
What Are the Key Risks for ARDX?
Financial-distress signal — its Altman Z-Score of 0.14 sits in the distress zone (elevated bankruptcy risk).
- Negative return on equity (-38.1%) — the business is not currently generating profit on shareholder capital.
- Inconsistent delivery — missed Wall Street EPS estimates in 3 of the last 8 reported quarters.
- Clinical trial outcomes may not meet expectations, impacting product approvals.
- Competition from established players in the biotechnology sector could affect market share.
- Regulatory challenges could delay product launches and commercialization efforts.
What Are the Growth Opportunities for ARDX?
- Expansion of tenapanor: The ongoing Phase III trials for tenapanor in both irritable bowel syndrome and hyperphosphatemia present significant revenue opportunities, with the U.S. market for these indications estimated at $5 billion combined. Successful trial outcomes could lead to regulatory approval and market entry within the next 12-18 months, allowing Ardelyx to capture a substantial share of this lucrative market.
- Development of RDX013: Ardelyx's RDX013 program targets hyperkalemia, a condition affecting approximately 3 million patients in the U.S. alone. The increasing prevalence of chronic kidney disease and heart disease presents a growing market for potassium secretagogues, with potential market size exceeding $1 billion. The anticipated launch of RDX013 could significantly enhance Ardelyx's product portfolio and revenue streams.
- International partnerships: Ardelyx's agreements with Kyowa Kirin, Fosun Pharmaceutical, and Knight Therapeutics for the commercialization of tenapanor in Japan, China, and Canada respectively, open new revenue channels. These partnerships leverage local market expertise and distribution networks, potentially accelerating product uptake and expanding Ardelyx's global footprint.
- Focus on metabolic acidosis: The early-stage program RDX020 addresses metabolic acidosis in CKD patients, a condition with limited treatment options. As awareness and diagnosis of metabolic acidosis increase, Ardelyx could tap into a niche market with significant unmet needs, potentially positioning RDX020 as a first-line therapy.
- Advancements in clinical research: Continuous investment in R&D and clinical trials enables Ardelyx to explore additional therapeutic areas and product candidates. By maintaining a strong pipeline, the company can adapt to market demands and capitalize on emerging trends in biotechnology, ensuring long-term growth and sustainability.
What Opportunities Does ARDX Have?
- Expansion into international markets through strategic partnerships.
- Growing demand for treatments in gastrointestinal and cardiorenal diseases.
- Potential for new product candidates in development to diversify offerings.
What Threats Does ARDX Face?
- Intense competition from established biotechnology firms.
- Regulatory hurdles and uncertainties in clinical trial outcomes.
- Market volatility impacting investor sentiment and funding availability.
What Are ARDX's Competitive Advantages?
- Strong intellectual property portfolio protecting innovative product candidates.
- Strategic partnerships with established pharmaceutical companies enhancing market access.
- Robust clinical trial data supporting the efficacy and safety of therapies.
- Focus on niche therapeutic areas with high unmet medical needs.
- Experienced leadership team with a track record in biotechnology development.
What Does ARDX Do?
Founded in 2007 and headquartered in Waltham, Massachusetts, Ardelyx, Inc. is a biopharmaceutical company dedicated to discovering, developing, and commercializing innovative medicines for gastrointestinal and cardiorenal therapeutic areas. Originally incorporated as Nteryx, Inc., the company rebranded to Ardelyx in June 2008 to reflect its commitment to advancing healthcare solutions. Ardelyx's lead product candidate, tenapanor, has completed Phase III clinical trials for treating irritable bowel syndrome with constipation and is also undergoing Phase III trials for controlling serum phosphorus in adult patients with chronic kidney disease (CKD) on dialysis, addressing a significant unmet need in managing hyperphosphatemia. Additionally, Ardelyx is developing RDX013, a potassium secretagogue targeting hyperkalemia, and RDX020, an early-stage program aimed at treating metabolic acidosis in CKD patients. The company has established strategic partnerships with Kyowa Kirin in Japan, Fosun Pharmaceutical in China, and Knight Therapeutics in Canada, facilitating the development and commercialization of tenapanor in these regions. Ardelyx's innovative approach and strong pipeline position it well within the competitive landscape of biotechnology, as it seeks to improve patient outcomes and address critical health issues globally.
What Products and Services Does ARDX Offer?
- Develop innovative medicines for gastrointestinal and cardiorenal diseases.
- Conduct clinical trials to evaluate the safety and efficacy of their product candidates.
- Collaborate with global partners for the development and commercialization of their therapies.
- Focus on addressing unmet medical needs in specific therapeutic areas.
- Engage in research to discover new treatment options for patients with chronic conditions.
- Leverage strategic partnerships to enhance market reach and distribution.
How Does ARDX Make Money?
- Generate revenue through the commercialization of approved therapies.
- Collaborate with pharmaceutical companies for development and distribution rights.
- Invest in R&D to create innovative treatments that address significant health issues.
- Utilize clinical trial data to support regulatory submissions and market approvals.
- Expand into international markets through strategic partnerships.
What Industry Does ARDX Operate In?
The biotechnology industry is characterized by rapid innovation and significant investment in research and development, particularly in therapeutic areas like gastrointestinal and cardiorenal diseases. The market for gastrointestinal drugs is projected to grow at a CAGR of 5.3%, reaching approximately $60 billion by 2027. Ardelyx, with its focus on unmet medical needs, is well-positioned to capitalize on these trends. The competitive landscape includes established players and emerging biotech firms, with Ardelyx differentiating itself through its unique product candidates and strategic partnerships that enhance its market reach.
Who Are ARDX's Key Customers?
- Healthcare providers seeking effective treatment options for patients.
- Patients suffering from gastrointestinal and cardiorenal diseases.
- Pharmaceutical partners interested in co-developing and commercializing therapies.
- Regulatory agencies for approvals and market access.
- Investors looking for opportunities in the biotechnology sector.
Research confidence
Broad, current evidence sits behind this analysis.
- ● Scored on 64% of our measures
- ● Price is current
- ● Latest filing 36 days ago
- ● Covered by analysts
Why 29?
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)
- +0.28 Gross margin (Business Quality)
- +0.13 Enterprise value vs sales (Valuation)
What is holding it back
- -0.60 Debt to equity (Financial Strength)
- -0.15 Net margin (Business Quality)
- -0.14 Financial-health checklist (Financial Strength)
Risk penalties applied
- -0.87 Bankruptcy-risk score in the distress zone
- -1.30 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 | 24 |
| 2026-08-26 | 24 |
| 2026-08-29 | 24 |
| 2026-09-01 | 27 |
| 2026-09-04 | 27 |
| 2026-09-07 | 25 |
| 2026-09-10 | 25 |
What changed?
The grade moved from 24 to 25 (+1).
What moved it up or down:
- +3 Momentum
- +2 Business Quality
- +1 Growth Durability
Held back by:
- -28 Financial Safety
Over the same 18 days the stock moved -2.3%.
Ardelyx, Inc. Financial Trajectory
Ardelyx, Inc. (ARDX) reported $120.9M in revenue for Q2 FY2026, reflecting 27.9% growth compared to the prior quarter. The company recorded a net loss of $16.7M, with diluted EPS of $-0.07. Quarter-over-quarter revenue has been mixed, typical for a small-cap company operating in Healthcare. Across the four most recent quarters, ARDX averaged $-0.06 in diluted EPS.
Company Profile
Ardelyx, Inc. operates in the Biotechnology industry within the Healthcare sector. It is headquartered in Waltham, US. The company is led by CEO Michael G. Raab. ARDX has traded publicly since 2014.
How Ardelyx, Inc. Is Valued
Ardelyx, Inc. carries a market capitalization of $894M, placing it in the small-cap category. Analyst price targets span from $13.00 to $17.00, with a consensus of $15.00. At the current price of $3.62, that implies approximately 314% upside potential. Relative to its peer group, ARDX's quantitative score of 29/100 is below the peer average of 82/100.
Key Financial Metrics
Return on equity for Ardelyx, Inc. stands at -38.1%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -11.5%, showing how much profit it generates from its asset base. Its free cash flow yield is -2.5%, a gauge of the cash the business throws off relative to its market value. A current ratio of 3.49 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -3.9%, the inverse of the P/E and a quick read on earnings relative to price.
Financial Health
Ardelyx, 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 0.14 places it in the distress zone, a signal of elevated financial risk.
Earnings Track Record
Ardelyx, Inc. has missed Wall Street's EPS estimate in 3 of its last 8 reported quarters — a mixed record worth weighing. Reported results have landed about 16.6% above estimates on average.
Insider Activity
Over the past six months, Ardelyx, Inc. insiders filed 74 SEC Form 4 transactions — 52 sales and 22 purchases. On net that is roughly 7K shares disposed (about $1.2M), a signal worth weighing alongside the fundamentals.
ARDX Financials
Fundamental Snapshot
Based on FMP financials and quantitative analysis · FY 2025
Bull Case vs Bear Case
Bull Case
- Innovative product pipeline addressing significant unmet medical needs.
- Strong partnerships with global pharmaceutical companies.
- High gross margin potential upon product commercialization.
- Upcoming: Regulatory decisions expected within the next 12-18 months for tenapanor in irritable bowel syndrome and hyperphosphatemia.
Bear Case
- Negative profit margin indicating current investment phase.
- Dependence on successful clinical trial outcomes for product approvals.
- Limited product portfolio compared to larger competitors.
- Potential: Clinical trial outcomes may not meet expectations, impacting product approvals.
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 | $121M | -$17M | -$0.07 |
| Q1 FY2026 | $94M | -$38M | -$0.15 |
| Q4 FY2025 | $125M | -$407,000 | -$0.0017 |
| Q3 FY2025 | $110M | -$969,000 | -$0.0040 |
Q2 FY2026 · filed 6 Aug 2026 · SEC EDGAR →
Based on FMP financials and quantitative analysis
ARDX Latest News
-
Hyperphosphatemia Market Insight, Epidemiology, and Market Forecast to 2036 Now Available — See Which Novel Mechanism Could Unseat Sevelamer as Phosphate Binders Face a Pill-Burden Reckoning
Yahoo! Finance: ARDX News · Sep 8, 2026
-
Ardelyx to Participate in Upcoming Investor Conferences
GlobeNewswire · Sep 1, 2026
-
Ardelyx to Participate in Upcoming Investor Conferences
globenewswire.com · Sep 1, 2026
-
Freestone Grove Partners LP Buys Shares of 253,692 Ardelyx, Inc. $ARDX
defenseworld.net · Aug 30, 2026
ARDX Analyst Consensus
Consensus Rating
Aggregated Buy/Hold/Sell recommendations collected by Financial Modeling Prep for ARDX.
Price Targets
Median: $15.00 (+314.4% from current price)
Source: FMP analyst consensus · as of Aug 25, 2026 · an estimate, not advice
ARDX MoonshotScore
What does this score mean?
MoonshotScore is Stock Expert AI's proprietary 0-100 research rating, not a buy or sell recommendation. ARDX scores 29/100 (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
Hyperphosphatemia Market Insight, Epidemiology, and Market Forecast to 2036 Now Available — See Which Novel Mechanism Could Unseat Sevelamer as Phosphate Binders Face a Pill-Burden Reckoning
Ardelyx to Participate in Upcoming Investor Conferences
Ardelyx to Participate in Upcoming Investor Conferences
Freestone Grove Partners LP Buys Shares of 253,692 Ardelyx, Inc. $ARDX
Leadership: Michael G. Raab
CEO
Michael G. Raab has extensive experience in the biotechnology sector, having held various leadership positions throughout his career. He has a strong background in drug development and commercialization, with a focus on innovative therapies. Raab holds a degree in biology from the University of California, Berkeley, and has previously worked with several prominent biotech companies, contributing to their growth and success.
Track Record: Under Raab's leadership, Ardelyx has advanced its pipeline significantly, particularly with tenapanor, which is now in late-stage clinical trials. His strategic decisions have positioned the company for potential market success and established key partnerships that enhance Ardelyx's capabilities.
What Investors Ask About Ardelyx, Inc. (ARDX) — Healthcare
What does the AI Score mean for ARDX?
ARDX holds an AI Score of 29/100 (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. Ardelyx, Inc. is a biopharmaceutical company focused on developing innovative treatments for gastrointestinal and cardiorenal diseases.
Is ARDX a good stock?
Stock Expert AI does not rate ARDX buy, sell or hold. Ardelyx, Inc. carries a MoonshotScore of 29/100 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 ARDX?
Ardelyx, Inc. faces several risks, primarily related to the outcomes of its clinical trials. If the results do not meet regulatory expectations, it could hinder product approvals and market entry.
What are the key factors to evaluate for ARDX?
Ardelyx, Inc. (ARDX) holds a MoonshotScore of 29/100 (low). Analysts target $15.00 (+314%). Negative profit margin of -13.6% highlights the company's current investment phase in R&D. Not financial advice.
How frequently does ARDX data refresh on this page?
ARDX'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 ARDX's recent stock price performance?
Ardelyx, Inc. (ARDX) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Innovative product pipeline addressing significant unmet medical needs. See the News tab for the latest drivers. Past performance does not predict future results.
Should investors consider ARDX overvalued or undervalued right now?
Ardelyx, Inc. (ARDX) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Analysts target $15.00 (+314%) — upside seen. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.
Can I buy fractional shares of ARDX?
Yes, most major brokerages offer fractional shares of Ardelyx, Inc. (ARDX) 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 ARDX's earnings and financial reports?
Ardelyx, Inc. (ARDX) 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 ARDX 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.
- Data is based on the latest available information as of May 2026.