Who invested in Otonomy?
Otonomy's investors include Novo Holdings, Domain Associates, Avalon Ventures, RiverVest and OrbiMed, and 8 more on record.

United States · Series D startup
Funding summaryUpdated 26 Oct 2026
$143Mraised across 4 rounds since 2010, from 4 sources
Each circle is a round, placed by date and sized by amount. The line above is the running total.
From a historical funding record
Reported by finsmes.com
Reported by otonomy.comSEC filing: $10M sold, first sale Aug 2010
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Otonomy's investors include Novo Holdings, Domain Associates, Avalon Ventures, RiverVest and OrbiMed, and 8 more on record.
Otonomy has raised $143M across 4 rounds since 2010.
Otonomy's most recent round was a Series D of $49M in Apr 2014.
Its most recent round, $49M in Apr 2014, is also its largest on record.
Otonomy's first round on record, in Jun 2010, was backed by Avalon Ventures.
Otonomy's latest named round is a Series D, in Apr 2014.
Otonomy is based in the United States.
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