Ardelyx, Inc. discovers, develops, and commercializes medicines to treat unmet medical needs in the United States and internationally. The company offers IBSRELA, a minimally absorbed small molecule therapy for the treatment of patients with irritable bowel syndrome with constipation; and XPHOZAH, a phosphate absorption inhibitor to reduce serum phosphorus in adults with chronic kidney disease on dialysis. Ardelyx, Inc. was formerly known as Nteryx, Inc. and changed its name to Ardelyx, Inc. in June 2008. The company was incorporated in 2007 and is headquartered in Waltham, Massachusetts. Show more

400 Fifth Avenue, Waltham, MA, 02451, United States

https://www.ardelyx.com

Biotechnology

Healthcare

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Market Cap

1.397B

52 Wk Range

$3.21 - $8.40

Previous Close

$5.75

Open

$6.21

Volume

8,660,022

Day Range

$6.06 - $6.57

Enterprise Value

1.233B

Cash

242.7M

Avg Qtr Burn

N/A

Insider Ownership

3.00%

Institutional Own.

69.51%

Qtr Updated

09/30/25

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Drug & Indication	Stage & Event	Catalyst Date
XPHOZAH (Tenapanor) (Phosphate Absorption Inhibitor) Details Electrolyte disorder, Hyperphosphatemia, Kidney disease, Chronic kidney disease	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
Tenapanor (Ibsrela) (NHE3 sodium transport inhibitor) Details Irritable bowel syndrome, Constipation	Approved Quarterly sales	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
IBSRELA/Tenapanor (NHE3 Inhibitor) Details Chronic Idiopathic Constipation	Phase 3 Data readout	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
RDX10531 (NHE3 Inhibitor) Details Multiple Therapeutic Areas	IND Submission	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.
RDX013 Details Hyperkalemia	Failed Discontinued	Some catalyst date You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details. You must sign up to see the catalyst details.Sign up now.