United States · Funded startup
Funding summaryUpdated 26 Oct 2026
$257Mraised across 4 rounds since 2015, from 4 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Source recorded
Alexandria Real Estate Equities
Biomatics Capital
Cowen Group
Thiel CapitalReported by FinSMEsSEC filing: $110M sold, first sale Jun 2015
From a historical funding recordSEC filing: $16M sold, first sale Jun 2015
No investor was named in the report.
From a historical funding recordSEC filing: $575K sold, first sale May 2014
From Compass Therapeutics's own website and the SEC filings it signed: 3 on the team.
On the board, as filediCarl L. GordonJulie SunderlandPhilip J. FerneauStephen P. Squinto
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
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These 2 firms list Compass Therapeutics as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above.
Compass Therapeutics's investors include Alumni Ventures, Founders Fund, Polaris Partners, Janus Henderson Investors and Vivo Capital, and 9 more on record.
Compass Therapeutics has raised $257M across 4 rounds since 2015.
Compass Therapeutics's most recent round was an Undisclosed round of $120M in Aug 2025.
Compass Therapeutics's largest round on record is $132M (Series A), in Jul 2018.
Compass Therapeutics's first round on record, in Jun 2015, was backed by Launch Angels.
Compass Therapeutics's latest named round is an Undisclosed round, in Aug 2025.
Compass Therapeutics is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
