United States · Series D startup
Funding summaryUpdated 26 Oct 2026
$85Mraised 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.
Cormorant Asset Management
Frazier Healthcare PartnersFrom a historical funding recordSEC filing: $41M sold, first sale Jul 2015
No investor was named in the report.
Reported by sec.govSEC filing: $2.0M sold, first sale Aug 2013
No investor was named in the report.
Reported by sec.govSEC filing: $8.0M sold, first sale Oct 2011
Frazier Healthcare PartnersReported by anaptysbio.com
From AnaptysBio's own website and the SEC filings it signed: 1 founder, 7 on the team.
On the board, as filediCarol GallagherHollings RentonJames TopperJohn SchmidNicholas LydonTiba Aynechi
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Frazier Healthcare PartnersCormorant Asset ManagementAlloy VenturesNovo Holdings A/SWS InvestmentsBioMed VenturesBVF PartnersMissing a round, or an investor who was in one? Tell us.
These 2 firms list AnaptysBio 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.
AnaptysBio's investors include Avalon Ventures, Frazier Healthcare Partners, Cormorant Asset Management, Alloy Ventures and Novo Holdings A/S, and 5 more on record.
AnaptysBio has raised $85M across 5 rounds since 2006.
AnaptysBio's most recent round was a Series D of $40M in Jul 2015.
Its most recent round, $40M in Jul 2015, is also its largest on record.
AnaptysBio's first round on record, in Jul 2006, was backed by Avalon Ventures.
AnaptysBio's latest named round is a Series D, in Jul 2015.
AnaptysBio is based in the United States.
In the same sector, and raised in the last eighteen months.
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United States · 
