United States · Funded startup
18 rounds we have observed, with the 11 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
$139Mraised across 18 rounds since 2004, from 18 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 recordSEC filing: $3.0M sold, first sale Jul 2015
No investor was named in the report.
From a historical funding recordSEC filing: $1.8M sold, first sale Feb 2015
Cottonwood Technology Fund
Tullis Health InvestorsFrom a historical funding recordSEC filing: $4.0M sold, first sale Jul 2014
Epic VCTullis Health Investors
Mesa Verde Venture Partners
Cottonwood Technology FundReported by pehub.comSEC filing: $5.0M sold, first sale Oct 2013
No investor was named in the report.
Reported by sec.govSEC filing: $5.0M sold, first sale Oct 2013
No investor was named in the report.
Reported by sec.govSEC filing: $124K sold, first sale Oct 2012
Epic VCTullis Health InvestorsMesa Verde Venture PartnersCottonwood Technology FundReported by finsmes.comSEC filing: $5.3M sold, first sale Sept 2012
From a historical funding recordSEC filing: $12M sold, first sale Dec 2011
Reported by sec.govSEC filing: $12M sold, first sale Dec 2011
No investor was named in the report.
Reported by sec.govSEC filing: $1.0M sold, first sale Nov 2011
No investor was named in the report.
Reported by sec.govSEC filing: $4.9M sold, first sale Sept 2011
No investor was named in the report.
Reported by sec.govSEC filing: $4.9M sold, first sale Jun 2011
Epic VenturesCottonwood Technology FundTullis Health InvestorsMesa Verde Venture PartnersReported by sec.govSEC filing: $5.4M sold, first sale Oct 2010
Epic VenturesCottonwood Technology FundTullis Health InvestorsMesa Verde Venture PartnersFrom a historical funding recordSEC filing: $5.4M sold, first sale Oct 2010
No investor was named in the report.
From a historical funding recordSEC filing: $2.0M sold, first sale Oct 2010
No investor was named in the report.
From a historical funding recordSEC filing: $1.0M sold, first sale May 2009
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Tullis Health InvestorsSun Mountain CapitalCottonwood Technology FundMesa Verde Venture PartnersEpic VenturesEpic VC
vSpring CapitalCottonwood Technology FundTullis-DickersonCapital RoyaltyMissing a round, or an investor who was in one? Tell us.
Exagen Diagnostics's investors include Tullis Health Investors, Sun Mountain Capital, Cottonwood Technology Fund, Mesa Verde Venture Partners and Epic Ventures, and 6 more on record.
Exagen Diagnostics has raised $139M across 18 rounds since 2004.
Exagen Diagnostics's most recent round was a Debt of $3.0M in Jul 2015.
Exagen Diagnostics's largest round on record is $34M (Series C), in Feb 2012.
Exagen Diagnostics's first round on record, in Jan 2004, was backed by Epic Ventures, vSpring Capital and Tullis-Dickerson.
Exagen Diagnostics's latest named round is a Debt, in Jul 2015.
Exagen Diagnostics is based in the United States.
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United States ·