Stock Track | Ardelyx Soars 14.37% After Hours on Strong Q3 Results and Raised Guidance

Stock Track
Oct 31, 2025

Shares of Ardelyx (NASDAQ: ARDX) jumped 14.37% in after-hours trading on Thursday following the release of the company's third-quarter 2025 financial results and corporate update. The biopharmaceutical company reported strong revenue growth and raised its full-year guidance for its lead product, IBSRELA.

Ardelyx reported total revenue of $110.3 million for the quarter, a 12.3% increase compared to the same period last year. The company's flagship product, IBSRELA, generated $78.2 million in revenue, representing a substantial 92% year-over-year growth. This impressive performance led Ardelyx to raise its full-year 2025 revenue guidance for IBSRELA to between $270 and $275 million.

While the company reported a net loss of $969,000 for the quarter, investors appear to be focusing on the robust revenue growth and positive outlook. Ardelyx also announced progress on its pipeline, including the development of RDX10531, a next-generation NHE3 inhibitor with potential applications across multiple therapeutic areas. The company plans to file an Investigational New Drug (IND) application for RDX10531 in 2026, further bolstering its future prospects.

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