United States · Series B startup
13 rounds we have observed, with the 6 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
$61Mraised across 13 rounds since 2006, from 14 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
Reported by finsmes.com and 1 other
Reported by pehub.comSEC filing: $10M sold, first sale Dec 2011
Reported by sec.govSEC filing: $3.0M sold, first sale Jun 2011
Reported by deals.venturebeat.comSEC filing: $4.2M sold, first sale Jan 2010
Reported by venturebeat.comSEC filing: $1.0M sold, first sale Oct 2009
Reported by sec.govSEC filing: $1.0M sold, first sale Jul 2009
Reported by venturebeat.com
Reported by venturebeat.com
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
New Leaf Venture Partners
Bay City Capital
Aberdare VenturesRitchie Capital Management
Merck Global Health Innovation Fund
SVB CapitalMissing a round, or an investor who was in one? Tell us.
Aviir's investors include New Leaf Venture Partners, Bay City Capital, Aberdare Ventures, Ritchie Capital Management and Merck Global Health Innovation Fund, and 1 more on record.
Aviir has raised $61M across 13 rounds since 2006.
Aviir's most recent round was a Series B of $10M in Feb 2013.
Aviir's largest round on record is $11M (Venture), in Sept 2007.
Aviir's first round on record, in Oct 2006, was backed by Ritchie Capital Management.
Aviir's latest named round is a Series B, in Feb 2013.
Aviir is based in the United States.
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United States ·