Australia · Funded startup
Funding summaryUpdated 26 Oct 2026
$89Mraised across 5 rounds since 2006, from 5 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding recordSEC filing: $17M sold, first sale Jul 2015
Reported by pevc.dowjones.comSEC filing: $7.0M sold, first sale May 2013
Reported by protagonist-inc.comSEC filing: $7.0M sold, first sale May 2013
From the SEC filings it signed: 1 on the team.
On the board, as filediArmen V. ShanafeltAsish K. XavierHarold E. SelickMichael K. PanaccioPaul F. Truex
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Starfish Ventures
Lilly Ventures
Canaan
RA Capital Management
Foresite CapitalMissing a round, or an investor who was in one? Tell us.
This firm lists Protagonist Therapeutics as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Protagonist Therapeutics's investors include Starfish Ventures, Lilly Ventures, Canaan, RA Capital Management and Foresite Capital, and 5 more on record.
Protagonist Therapeutics has raised $89M across 5 rounds since 2006.
Protagonist Therapeutics's most recent round was an Undisclosed round of $22M in Aug 2018.
Protagonist Therapeutics's largest round on record is $40M (Series C), in Jul 2015.
Protagonist Therapeutics's first round on record, in Sept 2006, was backed by Starfish Ventures, Lilly Ventures and QIC BioVentures.
Protagonist Therapeutics's latest named round is an Undisclosed round, in Aug 2018.
Protagonist Therapeutics is based in Australia.
In the same sector, and raised in the last eighteen months.
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Australia · 
