United States · Funded startup
6 rounds we have observed, with the 10 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
$128Mraised across 6 rounds since 2010, from 6 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
No investor was named in the report.
From a historical funding record
RA Capital Management
Sofinnova Investments
Alta Partners
RiverVestFrom a historical funding recordSEC filing: $25M sold, first sale Feb 2014
Alta PartnersRiverVestReported by bizjournals.comSEC filing: $28M sold, first sale Oct 2012
No investor was named in the report.
Reported by sec.govSEC filing: $5.3M sold, first sale Nov 2011
From a historical funding recordSEC filing: $792K sold, first sale Nov 2010
No investor was named in the report.
From a historical funding recordSEC filing: $1.2M sold, first sale Feb 2009
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Alta PartnersRiverVestPartisan Management GroupDevon Park BioVentures3x5 Special Opportunity FundSalem PartnersRA Capital ManagementSofinnova InvestmentsNovo Holdings A/SAdage Capital ManagementFrom historical deal records. Wrong? Tell us.
Missing a round, or an investor who was in one? Tell us.
ZS Pharma's investors include Alta Partners, RiverVest, Partisan Management Group, Devon Park BioVentures and 3x5 Special Opportunity Fund, and 5 more on record.
ZS Pharma has raised $128M across 6 rounds since 2010.
ZS Pharma's most recent round was a Debt of $20M in Jul 2014.
ZS Pharma's largest round on record is $55M (Series D), in Mar 2014.
ZS Pharma's first round on record, in Dec 2010, was backed by Partisan Management Group.
ZS Pharma's latest named round is a Debt, in Jul 2014.
ZS Pharma is based in the United States.
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United States ·