United States · 
Who invested in Ardelyx?
Ardelyx's investors include New Enterprise Associates, CMEA Ventures and Amgen.
20112012201320142015
$5.0MDebt$30MSeries B$78MSeries CUnited States · Series C startup
Who invested in Ardelyx
3 rounds we have observed, with the 3 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$113Mraised across 3 rounds since 2010, from 3 sources
$5.0MDebt$30MSeries B$78MSeries C
- Latest round
- Series C, $78MJun 2015
- Step-upi
- 2.6×
- Investors
- 3
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Debt, $5.0M Nov 2010
- Biggest round
- $78M Series C · Jun 2015
- Usual gap between rounds
- 3.8 years the median of 2
The rounds
- Jun 2015Series C$78M
No investor was named in the report.
From a historical funding recordSEC filing: $78M sold, first sale Jun 2015
- Aug 2011Series B$30M3 new
Reported by ardelyx.comSEC filing: $18M sold, first sale Jun 2011
- Nov 2010Debt$5.0M
No investor was named in the report.
From a historical funding recordSEC filing: $5.0M sold, first sale Nov 2010
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Ardelyx
How much has Ardelyx raised?
Ardelyx has raised $113M across 3 rounds since 2010.
When did Ardelyx last raise?
Ardelyx's most recent round was a Series C of $78M in Jun 2015.
What was Ardelyx's biggest round?
Its most recent round, $78M in Jun 2015, is also its largest on record.
Who backed Ardelyx first?
Ardelyx's first round on record, in Aug 2011, was backed by New Enterprise Associates, CMEA Ventures and Amgen.
What stage is Ardelyx at?
Ardelyx's latest named round is a Series C, in Jun 2015.
Where is Ardelyx based?
Ardelyx is based in the United States.
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