Ardelyx, Inc. (ARDX) AI Stock Analysis

NASDAQ: ARDXAI research summary: business, growth, valuation, analysts, bull and bear case.

ARDX AI stock analysis summary

AI Research

Ardelyx, Inc. (ARDX) is a commercial-stage biopharmaceutical company focused on developing and marketing treatments for gastrointestinal and cardiorenal diseases. The company generated trailing twelve month revenue of $450.9M, representing a 23.8% quarterly year-over-year increase as of June 30, 2026. While Ardelyx remains unprofitable with an annual net income of -$61.6M in FY2025, it maintains net cash of $25.6M.

Market cap
$797.8M
Revenue (TTM)
$450.9M
P/E
—
fwd 9.9x
1Y return
-38.8%
S&P 500 16.8%
Avg. target
$12.90
317.5% vs last close

Bull case

  • Revenue expanded at a 5-year compound annual growth rate of 121.9% through FY2025, driven by commercial expansion of tenapanor.
  • Analyst consensus projects the company to achieve positive EPS of $0.29 on $624.1M in revenue for the next fiscal year.
  • The stock trades at a forward P/E of 9.9x and price-to-sales ratio of 1.8x, both below the median of its US-listed Healthcare peers.

Bear case

  • The company has not achieved profitability, recording a net loss of -$61.6M and free cash flow of -$44.0M in FY2025.
  • Shareholder equity experienced dilution as the company's share count increased 115.2% over a 5-year period.
  • The stock experienced a 1-year decline of 38.8% and trades 43.9% below its 200-day moving average.

What Ardelyx does

Ardelyx, Inc. is a biopharmaceutical company founded in 2007 and based in Waltham, Massachusetts. The firm focuses on discovering, developing, and commercializing treatments for cardiorenal and gastrointestinal diseases. Its primary product candidate is tenapanor, which is in Phase III clinical trials targeting irritable bowel syndrome with constipation as well as hyperphosphatemia in chronic kidney disease patients on dialysis. Ardelyx is also developing RDX013, a potassium secretagogue for hyperkalemia, and RDX020, an early-stage program targeting metabolic acidosis in chronic kidney disease patients. The company commercializes tenapanor internationally through strategic partnerships with Kyowa Kirin in Japan, Fosun Pharmaceutical Industrial Development Co. Ltd. in China, and Knight Therapeutics, Inc. in Canada.

Growth and profitability

Ardelyx expanded annual revenue from $10.1M in FY2021 to $407.3M in FY2025, producing a 5-year revenue compound annual growth rate of 121.9%. Revenue grew 22.1% in FY2025 following a 168.1% surge in FY2024 to $333.6M. Gross margin stood at 89.5% in FY2025, up from 84.8% in FY2024. However, the company has operated at a loss across all reported years, posting an operating margin of -10.1% and net income of -$61.6M in FY2025. In the trailing twelve months ending June 30, 2026, revenue totaled $450.9M, quarterly revenue grew 23.8% year over year, and diluted EPS was -$0.23.

ARDX income statement →

Balance sheet and cash flow

As of June 30, 2026, Ardelyx held $281.8M in cash and short-term investments alongside total debt of $256.2M, leaving net cash of $25.6M. Total assets were $575.9M and shareholders' equity was $149.0M, resulting in a debt-to-equity ratio of 1.72 and a current ratio of 3.34. The company generated negative operating cash flow of -$42.5M and free cash flow of -$44.0M in FY2025. Capital expenditures totaled $1.5M for FY2025, while the company's share count increased 115.2% over 5 years.

ARDX balance sheet →

Valuation and performance

At a share price of $3.09 and a market capitalization of $797.8M, Ardelyx trades at a forward P/E of 9.9x, which sits below the 17.3x median of its US-listed Healthcare peers. Its price-to-sales multiple of 1.8x is also below the peer group median of 4.1x, while its EV-to-EBITDA multiple of 130.9x is well above the peer median of 12.0x. Over the past year, the stock declined 38.8%, underperforming the S&P 500 return of 16.8%. Over a 5-year period, the stock gained 186.1% compared to 83.0% for the index.

ARDX key metrics →

What analysts expect

Ardelyx carries 10 Strong Buy ratings and 1 Buy rating from analysts, with no Hold, Sell, or Strong Sell recommendations. The mean price target of $12.90 implies an upside of 317.5% over the last close of $3.09. For the current fiscal year ending December 31, 2026, consensus estimates project an EPS of -$0.19 on revenue of $488.7M. For the next fiscal year, 8 analysts project revenue of $624.1M and EPS of $0.29. Ardelyx beat EPS estimates in 2 of the last 4 quarters, with its next earnings date scheduled for October 29, 2026.

ARDX forecast and price target →

Key risks and what to watch

  • Ardelyx holds $256.2M in total debt against shareholders' equity of $149.0M, resulting in a debt-to-equity ratio of 1.72.
  • Negative operating cash flow of -$42.5M in FY2025 requires continued liquidity from its $281.8M cash balance.
  • Short interest stands at 10.9% of the float, indicating elevated market skepticism regarding clinical or commercial execution.

AI-generated research summary. Written with AI from Quotelinks data as of October 16, 2026 and checked so every figure matches that data. For information only, not investment advice. Disclaimer

About this ARDX AI stock analysis

This page is an AI-written research summary of Ardelyx, Inc. (ARDX). The text was generated on October 30, 2026 from Quotelinks data as of October 16, 2026 (company profile, annual results, latest balance sheet, valuation, price performance and analyst estimates). An automatic check rejects any draft that contains a figure not found in that data. It is not investment advice; verify figures on the linked tabs before making decisions.

Related: ARDX income statement, ARDX balance sheet, ARDX key metrics, ARDX analyst forecast, ARDX chart. See the ARDX stock overview for the latest quote and news.

ARDX AI stock analysis FAQ

What products does Ardelyx develop?

Ardelyx's lead asset is tenapanor, which is in Phase III trials for irritable bowel syndrome with constipation and hyperphosphatemia in chronic kidney disease patients on dialysis. It is also developing RDX013 for hyperkalemia and RDX020 for metabolic acidosis.

Is Ardelyx profitable?

No, Ardelyx is not currently profitable. It recorded an annual net income of -$61.6M in FY2025 and an EPS of -$0.23 over the trailing twelve months ending June 30, 2026.

Does Ardelyx pay a dividend?

Ardelyx does not pay a dividend. The company directs its capital toward research and development and commercial activities.

What are analysts forecasting for ARDX stock?

Analysts hold 10 Strong Buy ratings and 1 Buy rating, with a mean price target of $12.90 representing a 317.5% premium to its last closing price of $3.09. For the next fiscal year, analysts forecast positive EPS of $0.29 on revenue of $624.1M.

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